EP1510363B1 - Paint can closure device with improved fastening means - Google Patents

Paint can closure device with improved fastening means Download PDF

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Publication number
EP1510363B1
EP1510363B1 EP04291866A EP04291866A EP1510363B1 EP 1510363 B1 EP1510363 B1 EP 1510363B1 EP 04291866 A EP04291866 A EP 04291866A EP 04291866 A EP04291866 A EP 04291866A EP 1510363 B1 EP1510363 B1 EP 1510363B1
Authority
EP
European Patent Office
Prior art keywords
lid
box
order
paint
locking tabs
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP04291866A
Other languages
German (de)
French (fr)
Other versions
EP1510363A1 (en
Inventor
Alain Krzywdziak
Raymond Cosson
Brent Mussatto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AEML
Original Assignee
AEML
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Filing date
Publication date
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Publication of EP1510363A1 publication Critical patent/EP1510363A1/en
Application granted granted Critical
Publication of EP1510363B1 publication Critical patent/EP1510363B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D43/00—Lids or covers for rigid or semi-rigid containers
    • B65D43/02—Removable lids or covers
    • B65D43/0202—Removable lids or covers without integral tamper element
    • B65D43/0204—Removable lids or covers without integral tamper element secured by snapping over beads or projections
    • B65D43/0212—Removable lids or covers without integral tamper element secured by snapping over beads or projections only on the outside, or a part turned to the outside, of the mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/12—Paint cans; Brush holders; Containers for storing residual paint
    • B44D3/127—Covers or lids for paint cans
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00064—Shape of the outer periphery
    • B65D2543/00074—Shape of the outer periphery curved
    • B65D2543/00092—Shape of the outer periphery curved circular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00018—Overall construction of the lid
    • B65D2543/00259—Materials used
    • B65D2543/00296—Plastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00435—Lids secured to an intermediate ring or like annular member fixed to the container mouth
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/0049—Contact between the container and the lid on the inside or the outside of the container on the inside, or a part turned to the inside of the mouth of the container
    • B65D2543/00518—Skirt
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00481—Contact between the container and the lid on the inside or the outside of the container
    • B65D2543/00555—Contact between the container and the lid on the inside or the outside of the container on both the inside and the outside
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00574—Contact between the container and the lid secured locally, i.e. a lot less than half the periphery
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00638—Rolled edge
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00611—Profiles
    • B65D2543/00657—U-shaped or inverted U
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00601—Snapping means on the container
    • B65D2543/00675—Periphery concerned
    • B65D2543/00685—Totality
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00722—Profiles
    • B65D2543/0074—Massive bead
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00444—Contact between the container and the lid
    • B65D2543/00592—Snapping means
    • B65D2543/00712—Snapping means on the lid
    • B65D2543/00787—Periphery concerned
    • B65D2543/00805—Segments
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00824—Means for facilitating removing of the closure
    • B65D2543/00833—Integral tabs, tongues, handles or similar
    • B65D2543/00842—Integral tabs, tongues, handles or similar outside of the lid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2543/00—Lids or covers essentially for box-like containers
    • B65D2543/00009—Details of lids or covers for rigid or semi-rigid containers
    • B65D2543/00953—Sealing means
    • B65D2543/00962—Sealing means inserted
    • B65D2543/00972—Collars or rings

Definitions

  • the present invention relates to the field of lids for paint boxes and other containers.
  • the invention more particularly relates to a closure device with improved fastening means for locking the lid on the paint box.
  • covers for paint cans to cover the upper open part of the box.
  • Such covers include a spout and an associated closure system for selectively opening and closing the spout. When the spout is open, the paint can be spilled out of the box.
  • lids are arranged for use with automatic paint agitation equipment. They comprise for this purpose a stirring assembly rotatably mounted on the cover with an agitator positioned inside the paint box. Such stirring assemblies are typically used in automotive paint shops.
  • the known fixing means consist of fixing lugs provided with load springs which pivot between a closed position and an unclosed position. In their closed position, the fastening tabs are folded to come into contact with the body of the paint box, so that portions of the box are sandwiched between the cover and the fastening tabs.
  • the GB Patent 2,307,462 proposes fasteners for square box composed of fastening tabs cooperating with small flanges arranged regularly on the outer faces of the box. It can not adapt to standard paint cans with a rim all over their upper rim. This involves adapting the pot to the lid.
  • a disadvantage of these lids known in the prior art lies in the relatively high cost of manufacturing and assembling the fastening tabs for holding the lid on the paint box. In other words, these fastening tabs increase the overall cost of the cover.
  • the object of the present invention is therefore to eliminate one or more of the disadvantages of the prior art by defining a closure device intended for closing boxes of the paint box or the like type having a substantially cylindrical tubular side wall, an upper opening and an outwardly projecting edge disposed around the upper opening, said edge having a downwardly facing annular surface said lower surface of the edge, the closure comprising a cover sized to cover the top opening of the box and provided with a spout, characterized in that it comprises fixing means for fixing the lid to the box, the fixing means comprising at least two separate resilient locking fingers spaced and arranged to engage automatically with the lower surface of the protruding edge when the lid is positioned on said opening of the box.
  • the fixing means comprise at least three separate elastic locking fingers spaced from each other on the circumference of the lid equidistantly.
  • the device according to the invention comprises an annular border secured to the lid and extending downwardly from said lid, said edge covering at least a portion of the side wall of the box when the lid is positioned on the top of the box.
  • the locking fingers are constructed in one piece with said annular border integral with the lid.
  • each locking pin has a substantially planar abutment surface adapted to engage the lower surface of the protruding edge when the cover is positioned on said opening of the box.
  • the invention thus offers an interlocking lock, that is to say that the cover can not be extracted naturally by deformation but only by acting on the clips formed by the fingers to unlock them. way to separate the lid of the container.
  • each locking pin has a sloping surface provided to bear on an upper surface of the projecting edge of the box when the lid is positioned on the top of the box, the declivity surfaces spreading the locking fingers outward when inserting the lid on the top of the box.
  • each locking pin has a release lever projecting in an upward direction above an upper surface of the cover.
  • said locking finger and said release lever are constructed in one piece.
  • the lid comprises a handle and a central opening provided for a rotation shaft of a mixer assembly.
  • the fixing means comprise four equidistant fingers each forming a Y, one of whose branches is shortened so as to abut by at least one abutment surface at a time on said tubular side wall of the box and on the lower surface of the projecting edge.
  • a y-branch protrudes from an upper surface of the cover and constitutes a release lever which, by centrifugal radial thrust, disengages the abutment surface from the lower surface of the projecting edge.
  • At least two locking fingers are assembled in pairs, a first portion of the locking fingers having a first level of height an abutment surface provided to engage with the lower surface of the salient edge of a first type of box, a second portion of the locking fingers having at a second height level different from said first level of height a abutment surface provided to engage the lower surface of the projecting edge of a second type of box different from said first type.
  • the device according to the invention comprises a closing tab of the spout, a pusher means being connected to the tongue via translation drive means for moving said tongue between a plug closing position and a withdrawal position uncovering at least a portion of the beak.
  • the device comprises an annular frustoconical flexible seal integral with the lid arranged to seal the closure, the seal comprising a free portion having a surface extending laterally and upwardly to form a contact zone of adjustable sealing allowing adaptation to the profile of the box.
  • each of the release levers is capable of driving the associated locking pin in a disengagement position
  • the locking fingers comprising lateral retaining elements arranged to bear on at least one abutment surface formed on a lateral support of the lid when the locking fingers are driven to said disengagement position.
  • a preferred embodiment of the closure device (10) for paint can or the like is suitable for tubular boxes.
  • the paint box (12) has a tubular side wall (14, figure 3 ) substantially cylindrical defining an internal chamber, in which the paint is contained.
  • the paint box (12) also has an upper opening (18) formed around an inner periphery of the groove portion of the box (12) called the sealing lip (20).
  • This sealing lip (20) serving as a support on which the cover (26) is to be placed, is conventionally attached to the cylindrical tubular wall (14) by a folded edge (22).
  • This edge (22) further comprises an annular surface oriented downwards, said lower surface (24), which extends adjacent to the upper opening (18) around the entire outer periphery of the side wall (14) of the paint box (12).
  • the closure device comprises a lid (26) generally circular having on its outer periphery an annular border (28) extending downwardly from said cover.
  • the cover (26) integral with its annular border (28) is dimensioned to be pressed against the upper opening (18) and cover the latter so that the annular rim (28) covers both the projecting edge (22) ) and the upper side wall (14) of the paint box (12).
  • the lid (26) and the annular border are monobloc and made of a plastic material.
  • annular edge (28) does not necessarily extend over the entire periphery of the cover (26), but for example may comprise distinct segments distributed around the cover (26). In an alternative embodiment, the border can also be eliminated.
  • a seal of elastic material (30) is attached to the cover (26). This seal (30) is supported on an upper surface (32) of the projecting edge (22) when the closure device (10) is positioned on the top of the paint box (12) in its operative position.
  • the lid (26) for paint cans or the like has a pouring spout (34) for pouring the contents of the box (12).
  • a handle (36) or other suitable gripping means is mounted on the lid (26).
  • This handle (36) is for example diametrically opposed to the spout (34) and can be constructed in one piece with the lid (26).
  • a movable shutter tab (40) or similar closure is provided on the cover (26).
  • This tongue (40) can be moved between a plug closing position (34), illustrated in FIG. figure 1 , and a recessed position, illustrated in dashed line at figure 2 , pouring the contents of the box (12) by at least a portion of the spout (34).
  • a control lever or other pusher can being connected to the tongue (40) via translational drive means for moving said tongue between its closed and retracted positions.
  • the closure device (10) includes a mixer assembly having an agitator (46) mounted within the paint box (12).
  • the agitator is rotatably mounted on the cover (26) by a shaft (48), while a drive member (50) is connected to the shaft (48) above the cover (26).
  • a central opening is provided in the cover (26) for the passage of the rotation shaft (48) of the mixing unit.
  • the drive element (50) illustrated in figure 1 is of the type used with automatic paint agitation equipment. Naturally, a crank may also be used with the lid (26) to allow manual agitation of the contents of the paint box (12).
  • the closure device (10) comprises at least two, and for example at least three or four elastic locking fingers (52). These locking fingers (52) can be formed integrally with the annular border (28). As illustrated in figure 2 the locking fingers (52) are separate and spaced from each other on the circumference of the cover (26) equidistantly.
  • each of the locking fingers (52) has a sloping surface (54) adapted to bear on an upper surface of the projecting edge (22) of the box when the lid (26) is positioned on the top of the box ( 12). Therefore, as represented in figure 4 when the cover (26) is positioned on the top of the box (12), the coaction between the declivity surface (54) and the folded edge (22) causes an inflection of the locking fingers (52) towards the outside when the lid (26) is pressed on the top of the box (12).
  • Each locking pin (52) further has a substantially planar abutment surface (56) facing upwardly from the cover (26), disposed immediately above the sloping surface (54).
  • This abutment surface (56) can therefore be positioned to engage just below the lower surface (24) of the projecting edge (22) when the cover (26) is completely in the locking position on the box (12). Therefore, as represented in figure 5 in the locked position of the cover (26), the resilient deformation of the locking fingers (52) induces a bearing from these locking fingers (52) inwardly such that said abutment surface (56) is located. on the underside of the lower surface (24) automatically coming to bear on this surface (24), and thus ensuring in this way the locking of the closure device (10) on the box (12). Simultaneously, as shown in figures 5 and 8 the seal (30) of the lid (26) is compressed against the upper surface (32) of the folded edge (22), thereby sealing the lid (26) and the box (12).
  • the reaction (A) of the flexible seal (30) and the reaction (B) of the locking finger can be compensated by the combined reaction (R) of the lower surface (24) of the folded edge (22) and the wall side (14) of the box (12).
  • the lid attachment means (26) comprise four equidistant fingers (52) each forming a Y, one of whose branches is shortened so as to abut by at least one abutment surface at a time. on said tubular side wall (14) of the box (12) and on the lower surface (24) of the projecting edge (22).
  • the other y-branch extends beyond an upper surface (60) of the cover (26) and constitutes a release lever (58) which by centrifugal radial thrust (D, figure 8 ) disengages the abutment surface (56) from the lower surface (24) of the projecting edge (22).
  • the release lever (58) protrudes in an upward direction above an upper surface (60) of the lid (26) to allow easy unlocking for the user of the closure device (10) of the box (12).
  • the release lever (58) protrudes in an upward direction above an upper surface (60) of the lid (26) to allow easy unlocking for the user of the closure device (10) of the box (12).
  • the figure 7 illustrates the ease with which the lid (26) can be removed.
  • the locking fingers (52) are constructed in one piece with the release levers (58) as well as with the annular edge (28).
  • the locking fingers (52) can be integrally formed with the annular border (28), it should be understood that the annular border is nonetheless an option that can be removed. In the latter case, the locking fingers (52) are fixed directly to the cover (26) and project in a downward direction from the cover (26). In other embodiments of the invention, the locking fingers (52) may be arranged in pairs. The release levers (58) of a pair are then placed next to one another as shown in FIG. figure 10 .
  • the use of a different pair of locking fingers (52) may allow adaptation of the closure device (10) to different types of folded edge (22).
  • the spacing (H1, H2) between the abutment surface (56) and the upper surface (60) of the cover (26) may be different for the locking fingers (52) of the same pair, as illustrated. to the figure 10 .
  • the sealing lip (20) is arranged to receive the seal (30) of the lid (26) at a lower level than that of the upper surface (32) of the edge (22)
  • the locking fingers (52) extend sufficiently downwards so that the locking finger (52) of smaller spacing (H1) relative to the surface (60) of the lid plays its role of clips.
  • the seal (30) of the lid (26) is disposed above the level of the upper surface (32) of the edge (22), only the larger gap finger (52) (H2) comes press the bottom of the folded edge (22).
  • the closure device (10) may comprise on the one hand, locking fingers (52) having at a first height level an abutment surface (56) intended to engage with the lower surface (24) of the projecting edge (22) of a first type of box, and secondly of the locking fingers (52) having at a second height level different from said first level of height an abutment surface (56); ) adapted to engage the lower surface (24) of the projecting edge (22) of a second type of box different from said first type.
  • the closure device (10) may comprise, by way of non-limiting example two, three or four pairs of locking fingers (52) for excellent adaptation to the type of lock box.
  • the closure device (10) is for example provided with an annular frustoconical flexible seal (3) for adaptation to the profile of the box.
  • This deformable seal (3) comprises a fixed first portion (301) integral with the lid (26) and a second free portion (302) extending the first portion (301) and adapted to deform by bearing on the sealing lip ( 20), as illustrated in figure 11 .
  • This second portion (302) has a laterally extending and upwardly extending surface to form an adjustable sealing contact area with the lip (20) of the box.
  • the fixed part (301) on the other hand is set back inwards with respect to the contact zone of the seal (3).
  • an annular rib (300) is provided on the second portion (302) of the frustoconical seal (3).
  • This rib (300) is disposed substantially at the free end of the seal (3).
  • the closure device (10) provided with such a seal (3) can thus be put in place on different box profiles.
  • this frustoconical annular seal (3) is compressed on the lip (20), the locking fingers (52) abut under the projecting edge (22).
  • the locking fingers (52) have retaining side members (55) arranged to abut on at least one abutment surface (160) formed on a lateral support (16) of the cover (26) when the locking fingers (52) are tilted from a closed position to a release position.
  • a release lever (58) away from a locking finger (52) immobilization of the finger (52) in the open position is obtained by pressing the lateral elements (55). retaining on said abutment surface (160).
  • This type of restraint in the release position of the locking fingers allows successively separate each of the locking fingers (52) while avoiding their return to a closed position when the user wants to extract the cover (26).
  • the closure device (10) can be adapted to other varieties of containers, such as water-based pots which do not require no agitation.
  • the closing principle not clipping using the locking fingers (52) provides a great speed of opening and closing of the containers.
  • This connection principle offers the advantage of being able to fit on existing boxes having variable dimensions provided with a crimping bead.
  • the fastening means of the closure device (10) provide complete security in the maintenance of the lid (26) metering agitator on the paint box (12).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
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Abstract

The device (10) has a cover (26) designed to cover an upper opening of a paint box (12) and including a spout to pour out the box content. Two elastic locking arms (52) are spaced apart from each other and arranged on the periphery of the cover to automatically engage a lower surface (24) of a projecting edge (22) of the box, when the cover is placed on the opening. The edge is arranged around the opening.

Description

La présente invention se rapporte au domaine des couvercles pour boîtes de peintures et autres récipients. L'invention concerne plus particulièrement un dispositif de fermeture avec des moyens de fixation améliorés pour verrouiller le couvercle sur la boîte de peinture.The present invention relates to the field of lids for paint boxes and other containers. The invention more particularly relates to a closure device with improved fastening means for locking the lid on the paint box.

Il est connu dans l'art antérieur de nombreux couvercles pour boîtes de peinture permettant de recouvrir la partie ouverte supérieure de la boîte. De tels couvercles incluent un bec verseur et un système associé d'obturation pour ouvrir et fermer sélectivement le bec. Lorsque le bec est ouvert, la peinture peut être déversée de la boîte.It is known in the prior art many covers for paint cans to cover the upper open part of the box. Such covers include a spout and an associated closure system for selectively opening and closing the spout. When the spout is open, the paint can be spilled out of the box.

La plupart de ces couvercles déjà connus sont agencés pour être utilisés avec un équipement d'agitation de peinture automatique. Ils comportent pour cela un ensemble d'agitation monté de façon rotative sur le couvercle avec un agitateur positionné à l'intérieur de la boîte de peinture. De tels ensembles d'agitation sont utilisés typiquement dans des ateliers de peinture automobile.Most of these known lids are arranged for use with automatic paint agitation equipment. They comprise for this purpose a stirring assembly rotatably mounted on the cover with an agitator positioned inside the paint box. Such stirring assemblies are typically used in automotive paint shops.

De façon à maintenir fixe le couvercle sur le dessus de la boîte de peinture, plusieurs éléments de fixation sont habituellement prévus sur le couvercle. Les moyens de fixation connus consistent en des pattes de fixation pourvues de ressorts à charge qui pivotent entre une position fermée et une position non fermée. Dans leur position fermée, les pattes de fixation sont rabattues pour venir en contact avec le corps de la boîte de peinture, de sorte que des portions de la boîte sont compressées en sandwich entre le couvercle et les pattes de fixation.In order to keep the lid fixed on the top of the paint can, several fasteners are usually provided on the lid. The known fixing means consist of fixing lugs provided with load springs which pivot between a closed position and an unclosed position. In their closed position, the fastening tabs are folded to come into contact with the body of the paint box, so that portions of the box are sandwiched between the cover and the fastening tabs.

Le brevet GB 2 307 462 propose des attaches pour boite carrée composé de pattes de fixation coopérant avec des petits rebords disposées régulièrement sur les faces externes de la boite. Il ne peut donc pas s'adapter à des pots de peinture standard comportant un rebord sur tout leur pourtour supérieur. Cela implique d'adapter le pot au couvercle.The GB Patent 2,307,462 proposes fasteners for square box composed of fastening tabs cooperating with small flanges arranged regularly on the outer faces of the box. It can not adapt to standard paint cans with a rim all over their upper rim. This involves adapting the pot to the lid.

Dans le brevet US 2003/0015542 le système décrit pour fixer le couvercle au pot, notamment de peinture, est du type pattes de fixation en plastique. Ces pattes coopèrent avec un rebord supérieur du pot, formé par rabattement de la partie supérieure du pot, grâce a une butée sur la couvercle comportant une partie inclinée vers le bas et vers le pot qui va s'appuyer contre la partie inférieure du rebord. Ces attaches se déclipsent par le bas, en les écartant du pot. L'inconvénient de ce système d'attache est que le clipsage n'est pas totalement efficace, puisqu'il se fait entre la partie arrondie du rebord et la butée en pente. Il faut donc un grand nombre d'attache pour maintenir le couvercle. De plus la boite présentée dans ce document ne comporte pas de système d'étanchéité efficace évitant les fuites de peinture.In the patent US 2003/0015542 the system described for fixing the lid to the pot, including paint, is of the type plastic mounting tabs. These tabs cooperate with an upper rim of the pot, formed by folding the upper part of the pot, thanks to a stop on the lid having a portion inclined downwards and towards the pot which will bear against the lower part of the flange. These fasteners are unclipped at the bottom, away from the pot. The disadvantage of this fastening system is that the clipping is not completely effective, since it is between the rounded portion of the flange and the abutment slope. So a lot of fasteners are needed to hold the lid. In addition the box presented in this document does not include an effective sealing system avoiding paint leakage.

Un inconvénient de ces couvercles connus dans l'art antérieur réside dans le coût relativement élevé de fabrication et d'assemblage des pattes de fixation servant au maintien du couvercle sur la boîte de peinture. Autrement dit, ces pattes de fixation augmentent le coût global du couvercle.A disadvantage of these lids known in the prior art lies in the relatively high cost of manufacturing and assembling the fastening tabs for holding the lid on the paint box. In other words, these fastening tabs increase the overall cost of the cover.

Un autre inconvénient de ces couvercles connus dans l'art antérieur est également que, lorsque la patte de fixation bascule entre ses positions ouverte et fermée, cette patte de fixation racle souvent le corps de la boîte. A cause de cela, le revêtement protecteur de la boîte de peinture peut être endommagé, exposant ainsi le matériau brut de la boîte aux contenus de la boîte. Ce matériau brut est susceptible de rouiller ou de subir d'autres détériorations pouvant dégrader la peinture contenue dans la boîte.Another disadvantage of these lids known in the prior art is also that, when the bracket tilts between its open positions and closed, this bracket often scrapes the body of the box. Because of this, the protective coating of the paint can may be damaged, exposing the raw material of the box to the contents of the box. This raw material is likely to rust or suffer further damage that may degrade the paint contained in the box.

Un autre inconvénient de ces couvercles connus dans l'art antérieur utilisant des pattes de fixation pour le maintien du couvercle sur la boîte de peinture, réside dans l'exposition des pattes de fixation, notamment à la peinture. De ce fait, une accumulation de peinture séchée peut recouvrir les pattes de fixation. Cette peinture séchée est pourtant excessivement difficile à nettoyer. Lorsque ceci se produit, le couvercle entier est souvent mis au rebut.Another disadvantage of these lids known in the prior art using fastening tabs for holding the cover on the paint box, lies in the exposure of the fastening tabs, especially to paint. As a result, an accumulation of dried paint may cover the fastening tabs. This dried paint is extremely difficult to clean. When this happens, the entire lid is often discarded.

La présente invention a donc pour objet de supprimer un ou plusieurs des inconvénients de l'art antérieur en définissant un dispositif de fermeture, destiné à la fermeture de boîtes du type boîte de peinture ou analogue ayant une paroi latérale tubulaire sensiblement cylindrique, une ouverture supérieure et un bord saillant vers l'extérieur disposé autour de l'ouverture supérieure, ledit bord ayant une surface annulaire orientée vers le bas dite surface inférieure du bord, le dispositif de fermeture comprenant un couvercle dimensionné pour recouvrir l'ouverture supérieure de la boîte et pourvu d'un bec verseur, caractérisé en ce qu'il comporte des moyens de fixation pour fixer le couvercle à la boîte, les moyens de fixation comprenant au moins deux doigts de blocage élastiques distincts espacés et agencés pour se mettre en prise automatiquement avec la surface inférieure du bord saillant lorsque le couvercle est positionné sur ladite ouverture de la boîte.The object of the present invention is therefore to eliminate one or more of the disadvantages of the prior art by defining a closure device intended for closing boxes of the paint box or the like type having a substantially cylindrical tubular side wall, an upper opening and an outwardly projecting edge disposed around the upper opening, said edge having a downwardly facing annular surface said lower surface of the edge, the closure comprising a cover sized to cover the top opening of the box and provided with a spout, characterized in that it comprises fixing means for fixing the lid to the box, the fixing means comprising at least two separate resilient locking fingers spaced and arranged to engage automatically with the lower surface of the protruding edge when the lid is positioned on said opening of the box.

Selon une autre particularité de l'invention, les moyens de fixation comprennent au moins trois doigts de blocage élastiques distincts espacés les uns des autres sur la circonférence du couvercle de façon équidistante.According to another feature of the invention, the fixing means comprise at least three separate elastic locking fingers spaced from each other on the circumference of the lid equidistantly.

Selon une autre particularité, le dispositif selon l'invention comprend une bordure annulaire solidaire du couvercle et s'étendant vers le bas dudit couvercle, ladite bordure recouvrant au moins une partie de la paroi latérale de la boîte lorsque le couvercle est positionné sur le dessus de la boîte.According to another feature, the device according to the invention comprises an annular border secured to the lid and extending downwardly from said lid, said edge covering at least a portion of the side wall of the box when the lid is positioned on the top of the box.

Selon une autre particularité, les doigts de blocage sont construits d'une seule pièce avec ladite bordure annulaire solidaire du couvercle.According to another feature, the locking fingers are constructed in one piece with said annular border integral with the lid.

Selon une autre particularité, chaque doigt de blocage comporte une surface de butée sensiblement plane prévue pour se mettre en prise avec la surface inférieure du bord saillant lorsque le couvercle est positionné sur ladite ouverture de la boîte.In another feature, each locking pin has a substantially planar abutment surface adapted to engage the lower surface of the protruding edge when the cover is positioned on said opening of the box.

De manière avantageuse, l'invention offre ainsi un verrouillage par arc-boutement, c'est-à-dire que le couvercle ne peut pas s'extraire naturellement par déformation mais uniquement en agissant sur les clips formés par les doigts pour les déverrouiller de façon à désolidariser le couvercle du récipient.Advantageously, the invention thus offers an interlocking lock, that is to say that the cover can not be extracted naturally by deformation but only by acting on the clips formed by the fingers to unlock them. way to separate the lid of the container.

Selon une autre particularité, chaque doigt de blocage comporte une surface de déclivité prévue pour venir en appui sur une surface supérieure du bord saillant de la boîte lorsque le couvercle est positionné sur le dessus de la boîte, les surfaces de déclivité écartant les doigts de blocage vers l'extérieur lors de l'insertion du couvercle sur le dessus de la boîte.According to another feature, each locking pin has a sloping surface provided to bear on an upper surface of the projecting edge of the box when the lid is positioned on the top of the box, the declivity surfaces spreading the locking fingers outward when inserting the lid on the top of the box.

Selon une autre particularité, chaque doigt de blocage comporte un levier de dégagement en saillie selon une direction ascendante au-dessus d'une surface supérieure du couvercle.In another feature, each locking pin has a release lever projecting in an upward direction above an upper surface of the cover.

Selon une autre particularité, ledit doigt de blocage et ledit levier de dégagement sont construits d'une seule pièce.In another feature, said locking finger and said release lever are constructed in one piece.

Selon une autre particularité, le couvercle comprend une poignée et une ouverture centrale prévue pour un arbre de rotation d'un ensemble mélangeur.According to another feature, the lid comprises a handle and a central opening provided for a rotation shaft of a mixer assembly.

Selon une autre particularité, les moyens de fixation comprennent quatre doigts équidistants formant chacun un Y dont l'une des branches est raccourcie de façon à venir en appui par au moins une surface de butée à la fois sur ladite paroi latérale tubulaire de la boîte et sur la surface inférieure du bord saillant.According to another feature, the fixing means comprise four equidistant fingers each forming a Y, one of whose branches is shortened so as to abut by at least one abutment surface at a time on said tubular side wall of the box and on the lower surface of the projecting edge.

Selon une autre particularité, une branche de Y dépasse une surface supérieure du couvercle et constitue un levier de dégagement qui par une poussée radiale centrifuge désolidarise la surface de butée de la surface inférieure du bord saillant.According to another feature, a y-branch protrudes from an upper surface of the cover and constitutes a release lever which, by centrifugal radial thrust, disengages the abutment surface from the lower surface of the projecting edge.

Selon une autre particularité, au moins deux doigts de blocage sont assemblés par paire, une première partie des doigts de blocage ayant à un premier niveau de hauteur une surface de butée prévue pour se mettre en prise avec la surface inférieure du bord saillant d'un premier type de boîte, une seconde partie des doigts de blocage ayant à un second niveau de hauteur différent dudit premier niveau de hauteur une surface de butée prévue pour se mettre en prise avec la surface inférieure du bord saillant d'un second type de boîte différent dudit premier type.According to another feature, at least two locking fingers are assembled in pairs, a first portion of the locking fingers having a first level of height an abutment surface provided to engage with the lower surface of the salient edge of a first type of box, a second portion of the locking fingers having at a second height level different from said first level of height a abutment surface provided to engage the lower surface of the projecting edge of a second type of box different from said first type.

Selon une autre particularité, le dispositif selon l'invention comprend une languette d'obturation du bec verseur, un moyen poussoir étant relié à la languette via des moyens d'entraînement en translation pour déplacer ladite languette entre une position d'obturation du bec et une position de retrait découvrant au moins une partie du bec.According to another feature, the device according to the invention comprises a closing tab of the spout, a pusher means being connected to the tongue via translation drive means for moving said tongue between a plug closing position and a withdrawal position uncovering at least a portion of the beak.

Selon une autre particularité, le dispositif comprend un joint souple tronconique annulaire solidaire du couvercle agencé pour assurer l'étanchéité de la fermeture, le joint comprenant une partie libre ayant une surface s'étendant latéralement et de façon ascendante pour former une zone de contact d'étanchéité ajustable permettant une adaptation au profil de la boîte.According to another feature, the device comprises an annular frustoconical flexible seal integral with the lid arranged to seal the closure, the seal comprising a free portion having a surface extending laterally and upwardly to form a contact zone of adjustable sealing allowing adaptation to the profile of the box.

Selon une autre particularité, chacun des leviers de dégagement est apte à entraîner le doigt de blocage associé dans une position de dégagement, les doigts de blocage comportant des éléments latéraux de retenue agencés pour s'appuyer sur au moins une surface de butée formée sur un support latéral du couvercle lorsque les doigts de blocage sont entraînés vers ladite position de dégagement.According to another feature, each of the release levers is capable of driving the associated locking pin in a disengagement position, the locking fingers comprising lateral retaining elements arranged to bear on at least one abutment surface formed on a lateral support of the lid when the locking fingers are driven to said disengagement position.

L'invention, avec ses caractéristiques et avantages, ressortira plus clairement à la lecture de la description faite en référence aux dessins annexés donnés à titre d'exemples non limitatifs dans lesquels :

  • la figure 1 est une vue en élévation représentant un mode de réalisation préféré de l'invention ;
  • la figure 2 est une vue plane de dessus illustrant un mode de réalisation préféré de l'invention ;
  • la figure 3 représente une vue en coupe selon la ligne 3-3 de la figure 2 ;
  • la figure 4 représente une vue en coupe selon la ligne 4-4 de la figure 2, illustrant un dispositif selon l'invention en position partiellement insérée sur une boîte de peinture ;
  • la figure 5 représente une vue similaire à celle de la figure 4, mais illustrant le couvercle verrouillé sur la boîte de peinture ;
  • la figure 6 représente une vue similaire à celle de la figure 4, mais illustrant le dispositif de fermeture dans une position de désengagement ;
  • la figure 7 représente une vue similaire à celle de la figure 6, mais illustrant cette fois l'enlèvement du couvercle ;
  • la figure 8 représente une vue en coupe selon la ligne 4-4 de la figure 2, illustrant un dispositif selon l'invention en position verrouillée ;
  • les figures 9A et 9B montrent chacune une vue en coupe analogue à celle de la figure 5, pour deux types différents de boîte ;
  • la figure 10 est une vue en élévation illustrant une paire de doigts de blocage ;
  • la figure 11 montre une vue en coupe analogue à celle de la figure 9B pour un dispositif muni d'un joint tronconique annulaire d'adaptation au profil de la boîte.
The invention, with its features and advantages, will emerge more clearly on reading the description given with reference to the accompanying drawings given by way of non-limiting examples in which:
  • the figure 1 is an elevational view showing a preferred embodiment of the invention;
  • the figure 2 is a plan view from above illustrating a preferred embodiment of the invention;
  • the figure 3 represents a sectional view along the line 3-3 of the figure 2 ;
  • the figure 4 represents a sectional view along the line 4-4 of the figure 2 , illustrating a device according to the invention in position partially inserted on a paint box;
  • the figure 5 represents a view similar to that of the figure 4 but illustrating the locked lid on the paint box;
  • the figure 6 represents a view similar to that of the figure 4 but illustrating the closure device in a disengagement position;
  • the figure 7 represents a view similar to that of the figure 6 but this time illustrating the removal of the lid;
  • the figure 8 represents a sectional view along the line 4-4 of the figure 2 illustrating a device according to the invention in locked position;
  • the Figures 9A and 9B each show a sectional view similar to that of the figure 5 for two different types of box;
  • the figure 10 is an elevational view illustrating a pair of locking fingers;
  • the figure 11 shows a sectional view similar to that of the Figure 9B for a device provided with an annular frustoconical joint adapted to the profile of the box.

L'invention va à présent être décrite en référence aux figures 1 à 3.The invention will now be described with reference to Figures 1 to 3 .

Un mode de réalisation préféré du dispositif de fermeture (10) pour boîte de peinture ou analogue est adapté pour des boîtes tubulaires. Dans l'exemple de la figure 1, la boîte de peinture (12) comporte une paroi latérale tubulaire (14, figure 3) sensiblement cylindrique définissant une chambre interne, dans laquelle est contenue la peinture.A preferred embodiment of the closure device (10) for paint can or the like is suitable for tubular boxes. In the example of the figure 1 the paint box (12) has a tubular side wall (14, figure 3 ) substantially cylindrical defining an internal chamber, in which the paint is contained.

Comme illustré particulièrement à la figure 3, la boîte de peinture (12) comporte également une ouverture supérieure (18) formée autour d'une périphérie interne de la partie à rainure de la boîte (12) appelée lèvre d'étanchéité (20). Cette lèvre d'étanchéité (20), servant de support sur lequel doit être placé le couvercle (26), est rattachée de façon conventionnelle à la paroi tubulaire cylindrique (14) par un bord replié (22). Ce bord (22) comporte de plus une surface annulaire orientée vers le bas dite surface inférieure (24), qui s'étend de façon adjacente à l'ouverture supérieure (18) autour de l'entière périphérie externe de la paroi latérale (14) de la boîte de peinture (12).As illustrated particularly in figure 3 the paint box (12) also has an upper opening (18) formed around an inner periphery of the groove portion of the box (12) called the sealing lip (20). This sealing lip (20), serving as a support on which the cover (26) is to be placed, is conventionally attached to the cylindrical tubular wall (14) by a folded edge (22). This edge (22) further comprises an annular surface oriented downwards, said lower surface (24), which extends adjacent to the upper opening (18) around the entire outer periphery of the side wall (14) of the paint box (12).

En référence aux figures 1 et 2, le dispositif de fermeture comprend un couvercle (26) globalement circulaire ayant sur sa périphérie externe une bordure annulaire (28) externe s'étendant vers le bas dudit couvercle. Le couvercle (26) solidaire de sa bordure annulaire (28) est dimensionné pour être plaquée sur l'ouverture supérieure (18) et recouvrir cette dernière de façon à ce que la bordure annulaire (28) recouvre à la fois le bord saillant (22) et la partie supérieure de paroi latérale (14) de la boîte de peinture (12). Dans un mode de réalisation préféré, le couvercle (26) et la bordure annulaire sont monoblocs et constitués d'une matière plastique.With reference to Figures 1 and 2 , the closure device comprises a lid (26) generally circular having on its outer periphery an annular border (28) extending downwardly from said cover. The cover (26) integral with its annular border (28) is dimensioned to be pressed against the upper opening (18) and cover the latter so that the annular rim (28) covers both the projecting edge (22) ) and the upper side wall (14) of the paint box (12). In a preferred embodiment, the lid (26) and the annular border are monobloc and made of a plastic material.

Il doit être compris cependant, que la bordure annulaire (28) ne s'étend pas nécessairement sur l'entière périphérie du couvercle (26), mais par exemple peut comprendre des segments distincts répartis autour du couvercle (26). Dans une variante de réalisation, la bordure peut aussi être éliminée.It should be understood, however, that the annular edge (28) does not necessarily extend over the entire periphery of the cover (26), but for example may comprise distinct segments distributed around the cover (26). In an alternative embodiment, the border can also be eliminated.

Comme mieux illustré à la figure 3, un joint en matériau élastique (30) est fixé au couvercle (26). Ce joint (30) vient s'appuyer sur une surface supérieure (32) du bord saillant (22) lorsque le dispositif de fermeture (10) est positionné sur le haut de la boîte de peinture (12) dans sa position opérationnelle.As best illustrated at the figure 3 a seal of elastic material (30) is attached to the cover (26). This seal (30) is supported on an upper surface (32) of the projecting edge (22) when the closure device (10) is positioned on the top of the paint box (12) in its operative position.

En référence aux figures 1 et 2, de manière conventionnelle, le couvercle (26) pour boîtes de peinture ou analogue comporte un bec de versement (34) permettant de déverser le contenu de la boîte (12). Une poignée (36) ou autre moyen de préhension adapté est montée sur le couvercle (26). Cette poignée (36) est par exemple diamétralement opposée au bec verseur (34) et peut être construite monobloc avec le couvercle (26). Une languette mobile d'obturation (40) ou fermeture analogue est prévue sur le couvercle (26). Cette languette (40) peut être déplacée entre une position d'obturation du bec (34), illustrée à la figure 1, et une position en retrait, illustrée en pointillé à la figure 2, permettant de déverser le contenu de la boîte (12) par au moins une partie du bec (34). Un levier de commande ou autre moyen poussoir (gâchette, etc.) peut être relié à la languette (40) via des moyens d'entraînement en translation pour déplacer ladite languette entre ses positions d'obturation et de retrait.With reference to Figures 1 and 2 conventionally, the lid (26) for paint cans or the like has a pouring spout (34) for pouring the contents of the box (12). A handle (36) or other suitable gripping means is mounted on the lid (26). This handle (36) is for example diametrically opposed to the spout (34) and can be constructed in one piece with the lid (26). A movable shutter tab (40) or similar closure is provided on the cover (26). This tongue (40) can be moved between a plug closing position (34), illustrated in FIG. figure 1 , and a recessed position, illustrated in dashed line at figure 2 , pouring the contents of the box (12) by at least a portion of the spout (34). A control lever or other pusher (trigger, etc.) can being connected to the tongue (40) via translational drive means for moving said tongue between its closed and retracted positions.

Dans un mode de réalisation de l'invention, le dispositif de fermeture (10) comporte un ensemble mélangeur doté d'un agitateur (46) monté à l'intérieur de la boîte de peinture (12). L'agitateur est monté rotatif sur le couvercle (26) par un arbre (48), tandis qu'un élément d'entraînement (50) est relié à l'arbre (48) au-dessus du couvercle (26). Une ouverture centrale est prévue dans le couvercle (26) pour le passage de l'arbre de rotation (48) de l'ensemble mélangeur. L'élément d'entraînement (50) illustré à la figure 1 est du type utilisé avec un équipement d'agitation de peinture automatique. Naturellement, une manivelle peut aussi être utilisée avec le couvercle (26) pour permettre une agitation manuelle du contenu de la boîte de peinture (12).In one embodiment of the invention, the closure device (10) includes a mixer assembly having an agitator (46) mounted within the paint box (12). The agitator is rotatably mounted on the cover (26) by a shaft (48), while a drive member (50) is connected to the shaft (48) above the cover (26). A central opening is provided in the cover (26) for the passage of the rotation shaft (48) of the mixing unit. The drive element (50) illustrated in figure 1 is of the type used with automatic paint agitation equipment. Naturally, a crank may also be used with the lid (26) to allow manual agitation of the contents of the paint box (12).

En référence aux figures 2 et 4, pour fixer de façon amovible le dispositif de fermeture (10) sur la boîte (12), le dispositif de fermeture (10) comporte au moins deux, et par exemple au moins trois ou quatre doigts de blocage (52) élastiques. Ces doigts de blocage (52) peuvent être formés intégralement avec la bordure annulaire (28). Comme illustré à la figure 2, les doigts de blocage (52) sont distincts et espacés les uns des autres sur la circonférence du couvercle (26) de façon équidistante.With reference to figures 2 and 4 for releasably securing the closure device (10) to the box (12), the closure device (10) comprises at least two, and for example at least three or four elastic locking fingers (52). These locking fingers (52) can be formed integrally with the annular border (28). As illustrated in figure 2 the locking fingers (52) are separate and spaced from each other on the circumference of the cover (26) equidistantly.

En référence aux figures 4 et 5, chacun des doigts de blocage (52) comporte une surface de déclivité (54) prévue pour venir en appui sur une surface supérieure du bord saillant (22) de la boîte lorsque le couvercle (26) est positionné sur le dessus de la boîte (12). Par conséquent, comme représenté à la figure 4, lorsque le couvercle (26) est positionné sur le dessus de la boîte (12), la coaction entre la surface de déclivité (54) et le bord replié (22) provoque un écartement par inflexion des doigts de blocage (52) vers l'extérieur lorsque le couvercle (26) est pressé sur le dessus de la boîte (12).With reference to Figures 4 and 5 each of the locking fingers (52) has a sloping surface (54) adapted to bear on an upper surface of the projecting edge (22) of the box when the lid (26) is positioned on the top of the box ( 12). Therefore, as represented in figure 4 when the cover (26) is positioned on the top of the box (12), the coaction between the declivity surface (54) and the folded edge (22) causes an inflection of the locking fingers (52) towards the outside when the lid (26) is pressed on the top of the box (12).

Chaque doigt de blocage (52) comporte en outre une surface de butée (56) sensiblement plane orientée vers le haut du couvercle (26), disposée immédiatement au-dessus de la surface de déclivité (54). Cette surface de butée (56) peut donc être positionnée pour se mettre en prise juste en dessous de la surface inférieure (24) du bord saillant (22) lorsque le couvercle (26) est complètement en position effective de verrouillage sur la boîte (12). Par conséquent, comme représenté à la figure 5, en position verrouillée du couvercle (26), la déformation par élasticité des doigts de blocage (52) induit un appui de la part de ces doigts de blocage (52) vers l'intérieur tel que ladite surface de butée (56) se place sur le dessous de la surface inférieur (24) en venant automatiquement s'appuyer sur cette surface (24), et assurant donc de cette façon le verrouillage du dispositif de fermeture (10) sur la boîte (12). Simultanément, comme montré aux figures 5 et 8, le joint (30) du couvercle (26) est comprimé contre la surface supérieure (32) du bord replié (22), assurant ainsi l'étanchéité entre le couvercle (26) et la boîte (12).Each locking pin (52) further has a substantially planar abutment surface (56) facing upwardly from the cover (26), disposed immediately above the sloping surface (54). This abutment surface (56) can therefore be positioned to engage just below the lower surface (24) of the projecting edge (22) when the cover (26) is completely in the locking position on the box (12). Therefore, as represented in figure 5 in the locked position of the cover (26), the resilient deformation of the locking fingers (52) induces a bearing from these locking fingers (52) inwardly such that said abutment surface (56) is located. on the underside of the lower surface (24) automatically coming to bear on this surface (24), and thus ensuring in this way the locking of the closure device (10) on the box (12). Simultaneously, as shown in figures 5 and 8 the seal (30) of the lid (26) is compressed against the upper surface (32) of the folded edge (22), thereby sealing the lid (26) and the box (12).

Comme illustré à la figure 8, la réaction (A) du joint souple (30) et la réaction (B) du doigt de blocage peuvent être compensées par la réaction (R) combinée de la surface inférieure (24) du bord replié (22) et de la paroi la latérale (14) de la boîte (12). Dans ce mode de réalisation, les moyens de fixation du couvercle (26) comprennent quatre doigts (52) équidistants formant chacun un Y dont l'une des branches est raccourcie de façon à venir en appui par au moins une surface de butée à la fois sur ladite paroi latérale tubulaire (14) de la boîte (12) et sur la surface inférieure (24) du bord saillant (22). Comme représenté aux figures 5 et 6, l'autre branche de Y dépasse une surface supérieure (60) du couvercle (26) et constitue un levier de dégagement (58) qui par une poussée radiale centrifuge (D, figure 8) désolidarise la surface de butée (56) de la surface inférieure (24) du bord saillant (22).As illustrated in figure 8 the reaction (A) of the flexible seal (30) and the reaction (B) of the locking finger can be compensated by the combined reaction (R) of the lower surface (24) of the folded edge (22) and the wall side (14) of the box (12). In this embodiment, the lid attachment means (26) comprise four equidistant fingers (52) each forming a Y, one of whose branches is shortened so as to abut by at least one abutment surface at a time. on said tubular side wall (14) of the box (12) and on the lower surface (24) of the projecting edge (22). As represented in figures 5 and 6 , the other y-branch extends beyond an upper surface (60) of the cover (26) and constitutes a release lever (58) which by centrifugal radial thrust (D, figure 8 ) disengages the abutment surface (56) from the lower surface (24) of the projecting edge (22).

En référence aux figures 6 et 7, le levier de dégagement (58) est en saillie selon une direction ascendante au-dessus d'une surface supérieure (60) du couvercle (26), de façon à permettre un déverrouillage aisé pour l'utilisateur du dispositif de fermeture (10) de la boîte (12). Ainsi, lorsqu'il faut enlever le dispositif de fermeture (10) de la boîte (12), il suffit d'exercer manuellement une pression radiale externe sur ces leviers (58), comme illustré à la figure 6, moyennant quoi les surfaces de butée (56) sont désengagées de leur position de verrouillage. La figure 7 illustre la facilité avec laquelle le couvercle (26) peut être retiré.With reference to Figures 6 and 7 the release lever (58) protrudes in an upward direction above an upper surface (60) of the lid (26) to allow easy unlocking for the user of the closure device (10) of the box (12). Thus, when it is necessary to remove the closure device (10) from the box (12), it is sufficient to manually exert an external radial pressure on these levers (58), as illustrated in FIG. figure 6 whereby the abutment surfaces (56) are disengaged from their locking position. The figure 7 illustrates the ease with which the lid (26) can be removed.

Dans le mode de réalisation préféré de l'invention, les doigts de blocage (52) sont construits monoblocs avec les leviers de dégagement (58) ainsi qu'avec la bordure annulaire (28). En outre, bien que les doigts de blocage (52) puissent être intégralement formés avec la bordure annulaire (28), il doit être compris que la bordure annulaire n'en reste pas moins une option qui peut être retirée. Dans ce dernier cas, les doigts de blocage (52) sont fixés directement au couvercle (26) et font saillie selon une direction descendante depuis le couvercle (26). Dans d'autres variantes de réalisation de l'invention, les doigts de blocage (52) peuvent être disposés par paire. Les leviers de dégagement (58) d'une paire sont alors placés l'un à côté de l'autre, comme illustré à la figure 10.In the preferred embodiment of the invention, the locking fingers (52) are constructed in one piece with the release levers (58) as well as with the annular edge (28). In addition, although the locking fingers (52) can be integrally formed with the annular border (28), it should be understood that the annular border is nonetheless an option that can be removed. In the latter case, the locking fingers (52) are fixed directly to the cover (26) and project in a downward direction from the cover (26). In other embodiments of the invention, the locking fingers (52) may be arranged in pairs. The release levers (58) of a pair are then placed next to one another as shown in FIG. figure 10 .

En référence aux figures 9A, 9B et 10, l'utilisation d'une paire de doigts de blocage (52) différents peut permettre une adaptation du dispositif de fermeture (10) à différents types de bord replié (22). Pour cela, l'écartement (H1, H2) entre la surface de butée (56) et la surface supérieure (60) du couvercle (26) peut être différente pour les doigts de blocage (52) d'une même paire, comme illustré à la figure 10. Dans l'exemple de la figure 9A, lorsque la lèvre d'étanchéité (20) est agencée pour recevoir le joint (30) du couvercle (26) à un niveau inférieur à celui de la surface supérieure (32) du bord (22), les doigts de blocage (52) s'étendent suffisamment vers le bas pour que le doigt de blocage (52) de moindre écartement (H1) par rapport à la surface (60) du couvercle joue son rôle de clips. En revanche, comme illustré à la figure 9B, lorsque le joint (30) du couvercle (26) est disposé au-dessus du niveau de la surface supérieure (32) du bord (22), seul le doigt de blocage (52) de plus grand écartement (H2) vient s'appuyer sur le dessous du bord replié (22).With reference to Figures 9A, 9B and 10 the use of a different pair of locking fingers (52) may allow adaptation of the closure device (10) to different types of folded edge (22). For this, the spacing (H1, H2) between the abutment surface (56) and the upper surface (60) of the cover (26) may be different for the locking fingers (52) of the same pair, as illustrated. to the figure 10 . In the example of the Figure 9A when the sealing lip (20) is arranged to receive the seal (30) of the lid (26) at a lower level than that of the upper surface (32) of the edge (22), the locking fingers (52). extend sufficiently downwards so that the locking finger (52) of smaller spacing (H1) relative to the surface (60) of the lid plays its role of clips. On the other hand, as illustrated in Figure 9B when the seal (30) of the lid (26) is disposed above the level of the upper surface (32) of the edge (22), only the larger gap finger (52) (H2) comes press the bottom of the folded edge (22).

Autrement dit, le dispositif de fermeture (10) selon l'invention peut comporter d'une part, des doigts de blocage (52) ayant à un premier niveau de hauteur une surface de butée (56) prévue pour se mettre en prise avec la surface inférieure (24) du bord saillant (22) d'un premier type de boîte, et d'autre part des doigts de blocage (52) ayant à un second niveau de hauteur différent dudit premier niveau de hauteur une surface de butée (56) prévue pour se mettre en prise avec la surface inférieure (24) du bord saillant (22) d'un second type de boîte différent dudit premier type. Le dispositif de fermeture (10) peut comporter, à titre d'exemple non limitatif deux, trois ou quatre paires de doigts de blocage (52) permettant une excellente adaptation au type de boîte à verrouiller.In other words, the closure device (10) according to the invention may comprise on the one hand, locking fingers (52) having at a first height level an abutment surface (56) intended to engage with the lower surface (24) of the projecting edge (22) of a first type of box, and secondly of the locking fingers (52) having at a second height level different from said first level of height an abutment surface (56); ) adapted to engage the lower surface (24) of the projecting edge (22) of a second type of box different from said first type. The closure device (10) may comprise, by way of non-limiting example two, three or four pairs of locking fingers (52) for excellent adaptation to the type of lock box.

En référence à la figure 11, le dispositif de fermeture (10) est par exemple doté d'un joint souple tronconique annulaire (3) permettant une adaptation au profil de la boîte. Ce joint (3) déformable comporte une première partie (301) fixe solidaire du couvercle (26) et une seconde partie (302) libre prolongeant la première partie (301) et apte à venir se déformer par appui sur la lèvre d'étanchéité (20), comme illustré à la figure 11. Cette seconde partie (302) présente une surface s'étendant latéralement et de façon ascendante pour former une zone ajustable de contact d'étanchéité avec la lèvre (20) de la boîte. La partie fixe (301) est en revanche en retrait vers l'intérieur par rapport à la zone de contact du joint (3). Dans un mode de réalisation, une nervure annulaire (300) est prévue sur la seconde partie (302) du joint tronconique (3). Cette nervure (300) est disposée sensiblement à l'extrémité libre du joint (3). Le dispositif de fermeture (10) muni d'un tel joint (3) peut être ainsi mis en place sur différents profils de boîtes. Lorsque ce joint annulaire tronconique (3) est comprimé sur la lèvre (20), les doigts de blocage (52) viennent prendre appui sous le bord saillant (22).With reference to the figure 11 , the closure device (10) is for example provided with an annular frustoconical flexible seal (3) for adaptation to the profile of the box. This deformable seal (3) comprises a fixed first portion (301) integral with the lid (26) and a second free portion (302) extending the first portion (301) and adapted to deform by bearing on the sealing lip ( 20), as illustrated in figure 11 . This second portion (302) has a laterally extending and upwardly extending surface to form an adjustable sealing contact area with the lip (20) of the box. The fixed part (301) on the other hand is set back inwards with respect to the contact zone of the seal (3). In one embodiment, an annular rib (300) is provided on the second portion (302) of the frustoconical seal (3). This rib (300) is disposed substantially at the free end of the seal (3). The closure device (10) provided with such a seal (3) can thus be put in place on different box profiles. When this frustoconical annular seal (3) is compressed on the lip (20), the locking fingers (52) abut under the projecting edge (22).

Dans des modes de réalisation de l'invention, les doigts de blocage (52) comportent des éléments latéraux (55) de retenue agencés pour s'appuyer sur au moins une surface de butée (160) formée sur un support latéral (16) du couvercle (26) lorsque les doigts de blocage (52) sont basculés d'une position fermée vers une position de dégagement. Autrement dit, lorsqu'un utilisateur écarte un levier de dégagement (58) d'un doigt de blocage (52), une immobilisation de ce doigt (52) en position d'ouverture est obtenue par l'appui des éléments latéraux (55) de retenue sur ladite surface de butée (160). Ce type de retenue en position de dégagement des doigts de blocage permet d'écarter successivement chacun des doigts de blocage (52) tout en évitant leur retour à une position fermée lorsque l'utilisateur veut extraire le couvercle (26).In embodiments of the invention, the locking fingers (52) have retaining side members (55) arranged to abut on at least one abutment surface (160) formed on a lateral support (16) of the cover (26) when the locking fingers (52) are tilted from a closed position to a release position. In other words, when a user moves a release lever (58) away from a locking finger (52), immobilization of the finger (52) in the open position is obtained by pressing the lateral elements (55). retaining on said abutment surface (160). This type of restraint in the release position of the locking fingers allows successively separate each of the locking fingers (52) while avoiding their return to a closed position when the user wants to extract the cover (26).

Bien que l'invention ait été décrite plus particulièrement pour une application aux boîtes de peinture, le dispositif de fermeture (10) peut être adapté à d'autres variétés de récipients, comme par exemple les pots pour base à l'eau qui ne nécessitent pas d'agitation. Le principe de fermeture pas clipsage à l'aide des doigts de blocage (52) offre une grande rapidité d'ouverture et de fermeture des récipients. Ce principe de liaison offre l'avantage de pouvoir s'adapter sur des boîtes existantes possédant des dimensions variables dotées d'un bourrelet de sertissage. De plus, contrairement aux systèmes connus qui travaillent par déformation, les moyens de fixation du dispositif de fermeture (10) assurent une totale sécurité dans le maintien du couvercle (26) agitateur doseur sur la boîte de peinture (12).Although the invention has been described more particularly for application to paint cans, the closure device (10) can be adapted to other varieties of containers, such as water-based pots which do not require no agitation. The closing principle not clipping using the locking fingers (52) provides a great speed of opening and closing of the containers. This connection principle offers the advantage of being able to fit on existing boxes having variable dimensions provided with a crimping bead. In addition, unlike known systems that work by deformation, the fastening means of the closure device (10) provide complete security in the maintenance of the lid (26) metering agitator on the paint box (12).

Il doit être évident pour les personnes versées dans l'art que la présente invention permet des modes de réalisation sous de nombreuses autres formes spécifiques sans l'éloigner du domaine d'application de l'invention comme revendiqué. Par conséquent, les présents modes de réalisation doivent être considérés à titre d'illustration, mais peuvent être modifiés dans le domaine défini par la portée des revendications jointes, et l'invention ne doit pas être limitée aux détails donnés ci-dessus.It should be obvious to those skilled in the art that the present invention allows embodiments in many other specific forms without departing from the scope of the invention as claimed. Therefore, the present embodiments should be considered by way of illustration, but may be modified within the scope defined by the scope of the appended claims, and the invention should not be limited to the details given above.

Claims (15)

  1. Can such as a paint can or the like with its closure device (10), the can having a substantially cylindrical tubular side wall, an upper opening (18) and a sealing lip (20) attached to the tubular wall by a rim (22) which is bent back towards the exterior and is disposed around the upper opening (18), the said rim (22) having a downwardly oriented projecting annular surface referred to as the lower rim surface, the closure device (10) comprising a lid (26) dimensioned so as to cover the upper opening (18) of the can and provided with a pouring spout (34), and including fixing means for fixing the lid (26) to the can (12), the fixing means comprising at least two separate resilient locking tabs (52) which are spaced apart and disposed in order to engage automatically with lowest point on the lower surface (24) of the projecting rim (22) when the lid (26) is positioned on the said opening of the can (12).
  2. Device as claimed in Claim 1, wherein the fixing means comprise at least three separate resilient locking tabs (52) spaced apart from one another equidistantly on the circumference of the liquid (26).
  3. Device as defined in Claim 1 or Claim 2, comprising an annular border (28) joined to the lid (26) and extending towards the bottom of the said lid, the said border (28) covering at least part of the side wall (14) of the can (12) when the lid (26) is positioned on the top of the can.
  4. Device as claimed in Claim 3, wherein said locking tabs (52) are constructed in one piece with the said annular border (28) joined to the lid (26).
  5. Device as claimed in any one of Claims 1 to 4, wherein each locking tab (52) includes a substantially planar abutment surface (56) which is provided in order to engage with the lower surface (24) of the projecting rim (22) when the lid (26) is positioned on the said opening (18) of the can (12).
  6. Device as claimed in any one of Claims 1 to 5, wherein each locking tab (52) includes an inclined surface (54) provided in order to bear on an upper surface of the projecting rim (22) of the can when the lid (26) is positioned on the top of the can (12), the inclined surfaces (54) deflecting the locking tabs (52) outwards during insertion of the lid (26) onto the top of the paint can (12).
  7. Device as claimed in any one of Claims 1 to 6, wherein each locking tab (52) includes a release lever (58) which projects upwards over an upper surface (60) of the lid.
  8. Device as claimed in Claim 7, wherein the said locking tab (52) and the said release lever (58) are constructed in one piece.
  9. Device as claimed in any one of Claims 1 to 8, wherein the lid (28) comprises a handle (42) and a central opening provided for a rotary shaft (48) of a mixing assembly.
  10. Device as claimed in any one of Claims 1 to 9, wherein the fixing means comprise four equidistant tabs (52) each forming a Y of which one of the branches is shortened in such a way as to bear with at least one abutment surface (56) both on the said tubular side wall (14) of the can (12) and on the lower surface (24) of the projecting edge (22).
  11. Device as claimed in Claim 10, wherein one branch of the Y extends beyond an upper surface (60) of the lid (26) and constitutes a release lever (58) which by a centrifugal radial thrust disengages the abutment surface (56) of the lower surface of the projecting rim (22).
  12. Device as claimed in any one of Claims 1 to 11, wherein at least two locking tabs (52) are assembled in pairs, a first part of the locking tabs (52) having at a first height an abutment surface (56) provided in order to engage with the lower surface (24) of the projecting rim (22) of a first type of can (12), a second part of the locking tabs (52) having at a second height, which is different from the said first height, an abutment surface (56) provided in order to engage with the lower surface (24) of the projecting rim (22) of a second type of can (12) which is different from the said first type.
  13. Device as claimed in any one of Claims 1 to 12, comprising a tongue (40) for closure of the pouring spout (34), a pushing means (42) being connected to the tongue (40) via means for driving in translation in order to move the said tongue between a position in which it closes the spout (40) and a retracted position which uncovers at least a part of the spout (40).
  14. Device as claimed in any one of Claims 1 to 3, comprising an annular frustum-shaped flexible joint (3) which is joined to the lid (26) provided in order to ensure sealing of the closure, the joint (3) comprising a free part (302) having a surface which extends laterally and upwards in order to form an adjustable sealing contact zone enabling adaptation to the profile of the can.
  15. Device as claimed in any one of Claims 7 to 14, wherein each of the release levers (58) is capable driving the associated locking tab (52) into a release position, the locking tabs (52) including lateral retaining elements (55) in order to rest on at least one abutment surface (160) formed on a lateral support (16) of the lid (26) when the locking tabs (52) are driven towards the said release position.
EP04291866A 2003-08-28 2004-07-22 Paint can closure device with improved fastening means Expired - Lifetime EP1510363B1 (en)

Applications Claiming Priority (2)

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US651270 2003-08-28
US10/651,270 US7540652B2 (en) 2003-08-28 2003-08-28 Paint can cover assembly with improved locking means

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EP1510363A1 EP1510363A1 (en) 2005-03-02
EP1510363B1 true EP1510363B1 (en) 2009-04-15

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US (1) US7540652B2 (en)
EP (1) EP1510363B1 (en)
JP (1) JP4323403B2 (en)
AT (1) ATE428578T1 (en)
AU (1) AU2004205305B2 (en)
DE (1) DE602004020559D1 (en)

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CN101312892B (en) * 2005-10-14 2012-02-01 蒂埃里·加西亚 Multipurpose lid in particular for liquids, particularly for paint can

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EP1510363A1 (en) 2005-03-02
AU2004205305A1 (en) 2005-03-17
US20050045665A1 (en) 2005-03-03
JP2005096867A (en) 2005-04-14
ATE428578T1 (en) 2009-05-15
US7540652B2 (en) 2009-06-02
DE602004020559D1 (en) 2009-05-28
AU2004205305B2 (en) 2009-11-05
JP4323403B2 (en) 2009-09-02

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