WO1990000140A1 - Dispensing closure - Google Patents
Dispensing closure Download PDFInfo
- Publication number
- WO1990000140A1 WO1990000140A1 PCT/US1989/002822 US8902822W WO9000140A1 WO 1990000140 A1 WO1990000140 A1 WO 1990000140A1 US 8902822 W US8902822 W US 8902822W WO 9000140 A1 WO9000140 A1 WO 9000140A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lid
- recess
- dispensing
- base
- dispensing closure
- Prior art date
Links
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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
- B65D47/0857—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from the base element provided with the spout or discharge passage
- B65D47/0876—Hinges without elastic bias
- B65D47/089—Hinges without elastic bias located within a flat surface of the base element
- B65D47/0895—Hinges without elastic bias located within a flat surface of the base element one part of the hinge being integral with the hinged closure and the other part with the base element, without any other additional hinge element
-
- 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
-
- 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
- B65D47/00—Closures with filling and discharging, or with discharging, devices
- B65D47/04—Closures with discharging devices other than pumps
- B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
- B65D47/08—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures
- B65D47/0857—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having articulated or hinged closures made separately from the base element provided with the spout or discharge passage
- B65D47/0876—Hinges without elastic bias
- B65D47/088—Hinges without elastic bias located at an edge of the base element
- B65D47/0885—Hinges without elastic bias located at an edge of the base element one part of the hinge being integral with the hinged closure and the other part with the base element, without any other additional hinge element
-
- 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
- B65D2251/00—Details relating to container closures
- B65D2251/10—Details of hinged closures
- B65D2251/1008—Means for locking the closure in open position
Definitions
- the present invention relates generally to a dispensing closure for containers and more
- the typical dispensing closure for a container comprises a generally circular base with a dispensing orifice in the front section of the upper surface and an annular skirt depending downwardly from the upper surface that is adapted to engage and secure the base to the container, usually by means of internal threads that are screwed onto "the neck of -the container.
- a lid having a plug on its underside for sealing the dispensing orifice is adapted to be pivotally moved with respect to the base to be opened and closed by the pressure of the finger or thumb.
- the base and lid of the closure are molded as a single unit, the lid being connected to the base by a flexible hinge, which is known in the industry as a "living hinge".
- a flexible hinge which is known in the industry as a "living hinge”.
- a disadvantage of the "living hinge” is that the hinge portion of the closure has a tendency to crack, and eventually break, separating the lid from the base. Also, when the lid is rotated from the open position, it reaches a point from which it tends to snap rapidly to the closed position, and can splash liquid product, or even catapult one or more drops toward the user's face or clothing, thus presenting some danger if the product is an irritant.
- the hinge necessarily extends beyond the circumferential periphery of the closure of the rear of the base and creates problems during the assembly line filling of the container in that such an
- eccentric shape is subject to bumping and breakage, and can interfere with the highly automated equipment used during assembly of the closure and container of the product to be marketed.
- the "living hinge" design has been replaced to some extent by a dispensing closure design where the base has a notch located at the approximate center of top, and a relatively narrow rectangular channel extends from the notch to the front edge of the base with a dispensing orifice positioned in the channel proximate the front edge.
- a lid having a generally flat upper surface which terminates in a downwardly depending flange and indented end pieces is adapted to be received in a snap-fit into the notch, and when rotated to the closed position, lies entirely within the channel.
- the underside of the lid has an annular plug which mates with, and seals the orifice.
- the lid is maintained in the open position by means of an interference fit between the bottom edge of the flange and lugs located at the forward edge of the bottom of the notch where it intersects the rear of the channel. The lid is maintained in the notch in the open
- the base and a dispensing nozzle, or spout comprise two separate components that are interconnected through a modified ball and socket joint, or protruding pin or post from one component mating with a corresponding recess in the other component to form a pin/recess hinge structure between the two components.
- the outer surface of the base of the closure has a notch formed therein, said notch being shaped to receive one end of a hollow dispensing type nozzle of lid which has a passageway for the liquid product. In the fully open position the nozzle communicates with the inside of the container by means of an orifice through the base located in the bottom of the notch.
- the nozzle end portion mates in a modified ball and socket configuration when press fit into the notch in the base.
- This latter ball and socket hinge design further relies upon a key-slot configuration in the notch of the base and the portion of the dispensing nozzle to be disposed within the notch, respectively, to limit the open position of the dispensing nozzle type lid, as well as interfering projections on the forward face of the notch and on the portion of the nozzle disposed within the notch to maintain the nozzle in an open position during the dispensing of product from the container.
- interference fit yields to finger pressure to move the nozzle through the interference fit and return the lid to a closed position on the base of the closure.
- the lid is circular and the end of the lid opposite the orifice contains two slots which mate with two posts extending upwardly from the surface of the base of the circular closure at its periphery.
- the posts are flexible and exposed, and are therefore subject to damage during handling of the closure or container.
- the lid is insecurely held in place, is subject to twisting and lateral movement, and is easily pulled from the posts when the lid is in the open position.
- closure of this invention is an improvement over these prior art closures.
- a further object to the present invention is the provision of a two piece dispensing closure which is simple in construction, pleasing in appearance and capable of a long, useful service life.
- Another object of the invention is to provide a dispensing closure with a lid that remains in a stable working position without cracking or separating from the base. It is yet another object of this invention to provide a closure in which there is an interference fit between the lid and the base as the lid is rotated to its fully open position, so that at least a
- perceptible finger pressure is required to move the lid to the closed position.
- the invention comprises a two piece dispensing closure for a container
- the improvements comprising an elevated rear land section extending upwardly from and across the surface of the base opposite the dispensing orifice that is joined to the base by a transverse abutting wall, and a pivot recess in the elevated rear land adapted to pivotally receive the lid.
- the improved lid of the invention comprises a generally circular front section and a rearwardly extending, downwardly depending pivot post adapted to fictionally engage the pivot recess in the elevated rear section.
- the generally circular front section of the lid terminates along a chord, or transverse line, proximate the upper edge of the abutting wall, and the upper surfaces of the closed lid and the elevated rear section of the base are co- planar, i.e., the closed lid is flush with the elevated rear land.
- the pivot recess in the base is configured with an outwardly inclined rear wall, (i.e., the wall which is closest to the periphery of the closure), and an opposing front wall which is configured to permit free opening of the lid, i.e., without frictional interference between the front wall of the recess and the pivot post of the lid.
- the pivot recess in the elevated rear land portion of the base and the pivot post of the lid are configured to provide an interference fit between the rear wall of the recess and the pivot post of the lid as the lid is rotated to the open position.
- the plug on the lid has means for securing the lid to the dispensing orifice in the base when it is pressed firmly into the closed position.
- the closure can be molded from any of a variety of resilient polymeric materials well known to those in the art, including polypropylene, polyethylene and polyvinylchloride and copolymers and blends of said polymers.
- FIG. 1 is a front elevational view of a two piece dispensing closure embodying the features of the present invention
- FIG. 2 is a left hand elevational view of the closure
- FIG. 3 is a plan view of the closure, with cutaway sections
- FIG. 4 is a vertical cross-sectional view of the closure taken along line IV-IV of FIG. 3, and looking in the direction of the arrows;
- FIG. 5 is a front elevational view of the closure with the lid in the open portion
- FIG. 6 is a vertical cross-sectional view similar to FIG. 4, and showing the lid in the open position;
- FIG. 6A is an enlarged sectional view of the hinge portion of the closure of FIG. 6;
- FIG. 6B is an enlarged sectional similar to FIG. 6A, illustrating a different embodiment of the lid.
- FIG. 7 is a vertical cross-sectional view of the closure taken along the line VII-VII of FIG. 3, and looking in the direction of the arrows. DESCRIPTION OF THE PREFERRED EMBODIMENT
- the base 12 includes a circular cover portion 16 which has a top surface 18 and an annular skirt, or side wall, 20 which is provided with internal threads 22 to enable the cap to be threaded onto the threaded neck of a container.
- the cover portion 16 of the base 12 has dispensing orifice 24 having an upstanding annular rim 26.
- the cover portion 16 has an elevated rear land section 28 extending upwardly on the side of the cover portion 16 disposed over the dispensing orifice 24.
- the land portion 28 has a substantially
- the pivot recess 30 is defined by a pair of vertical side walls 32, each wall 32 having a circular indent 34, a rear wall 31, and an outwardly sloping front wall 35 forming a portion of a ridge 36.
- the height of the ridge 36 is slightly less than the height of the elevated rear section 28 in order to accommodate the thickness of the lid, as described in detail below, to provide a uniformly flat upper surface to the closure when the lid is in the closed position.
- the lid 14 has a top portion 15 and a skirt portion 42 that is best shown in Figs. 5 & 6.
- the skirt portion closes down on the periphery of the base 12 when the lid 14 is in the closed position.
- the lid 14 is further provided with an annular plug 38 which extends downwardly from the bottom surface of the lid so that it mates with and seals the orifice 24 when the lid is in the closed position as shown in FIG. 4.
- the end of plug 38 is preferably provided with a bead, or flange, 39 that provides a secure interference fit with the narrowed throat 41 as it is pressed into orifice 24.
- pivot post 40 is dimensioned so as to be securely received in recess 30, and terminates in an end portion which has side surfaces 44, each surface having a spherical, or rounded, projection 46 which compliments and is snapped into the indents 34 in each of the side walls of the recess 30.
- the combination of projections 46 and indents 34 forms a hinge connection between the lid 14 and the base 12, and can be reversed so that one or both of the indents are on the pivot post of the lid. This configuration enables the lid 14 to be pivoted from a closed position as shown in FIG. 4, in which the lid is flush with the top surface 18 and the orifice 24 is sealed by the plug 38, to an open position shown in FIG.
- the lid is at least 90o from the position shown in FIG. 4.
- the top surfaces of the lid 14, including the pivot post 40, and the elevated section 28, all lie in the same horizontal plane.
- the configuration also provides the means for securely holding the cap in the base.
- the skirt of the lid When the lid is in closed position, the skirt of the lid continues the line of the side wall of the elevated rear section, or land, to give the appearance of a continuous vertical wall to the closure.
- the longitudinal and vertical continuity of the closure thus provides an aesthetically pleasing appearance, and to some degree provides a child-resistant safety feature in that the means of gaining entry to the container contents is not immediately apparent.
- the defined structure has the appearance of a one piece cylindrical cap.
- a dispensing orifice having an annular rim of substantial height may be used. It is desirable to have the rim defining the pour orifice of substantial height to permit cleaner dispensing that is less prone to dripping.
- the hinge elements of the closure are well protected within the confines of the recess 30, and the underside of the base is planar.
- An important aspect of the structure of the closure of the subject invention resides in the hinge interconnection of the lid 14 and the base 12 at recess 30. It is desirable that the rear wall 31 of the recess 30 be substantially flat so as to provide a surface against which the upper surface of the pivot post 40 may abut in the open position.
- This abutment together with the stable frictional interfit of the projections and indents of the hinge, provides a rigid mounting that is substantially aided in retaining its lateral stability due to inability of the side walls of the recess to move away from the mating side walls of the pivot post.
- This interfit stability is far superior to the relatively unstable interfit between the posts and lid of the prior art in which the open lid can easily be separated from the base.
- the lower terminus of pivot post 40 is generally circular in cross section, with a tangential surface intersecting the upper surface of the pivot at essentially a right angle along edge 51.
- edge 51 of the pivot post 40 contacts the rear wall 31 in an interference fit and then again freely rotates to the fully open position.
- This interference fit prevents the open lid from closing unless a slight finger pressure is applied. This feature is most desirable when dispensing
- the rear wall 31 is inclined from the vertical toward the rear of the base to permit the cap to be opened more than 90o from the closed position.
- the extent of the incline of the rear wall 31 can be from a few degrees up to 45*, depending upon the geometry of the recess, the
- the rear wall 31 make an angle of at least 90o with the base, and most preferably, an angle of from 100o to 120o with the base.
- FIG. 6B illustrates another modification of the pivot post in which the rear edge 51 of the lid is rounded, so that there is no interference fit with the rear wall 31 as the lid is raised and lowered.
- the lid is maintained in the open position by virtue of the frictional fit of the ends of the pivot post in the recess.
- the pivot post can take the configuration which more nearly resembles a
- the axis of rotation of the lid is along a chord, or line, which is perpendicular to the diameter passing through the center of the dispensing orifice. Further, the axis of the recess is displaced on the opposite side of a diameter drawn between the recess and the
- the length of the recess along the axis of rotation is approximately one-third to one-half the diameter of the closure and it is located at a distance of
- the configuration of the abutting wall is not critical, and as shown in FIG. 6A, is inclined from the vertical toward the rear, which provides an aesthetically pleasing appearance and facilities removal of the base from the mold.
- the base skirt 20 is provided with knurling to facilitate removal, and the upper surfaces of the base and lid can be embossed during molding with decorative designs, the brand name of the product and instructions for use.
- the closure is illustrated with internal threads, other means such as bayonet lugs and
- channels or a snap-fit bead and recess, can be employed to secure the closure to the container.
- the configuration of the closure with the elevated rear land with the pivot recess disposed therein permits an inner safety seal to be installed on the container in contact with the underside of the base.
- the circular foil and polyethylene seal is placed inside the closure base, which is then screwed onto the container and then treated ultrasonically to melt and fuse the seal to the upper rim of the
- the front of the annular skirt 20 is provided with a recess 48 at the juncture of the base skirt 20, and the upper surface 16.
- the downwardly extending lid skirt 42 overhangs the annular side wall 20 above the recess 48, as shown in FIG. 4, to facilitate raising of the lid 14 by the user's finger or fingernail.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Closures For Containers (AREA)
- Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR898907010A BR8907010A (en) | 1988-07-01 | 1989-06-28 | DISPENSER CLOSURE |
DE68917719T DE68917719T2 (en) | 1988-07-01 | 1989-06-28 | DELIVERY CLOSURE. |
EP89908019A EP0404856B1 (en) | 1988-07-01 | 1989-06-28 | Dispensing closure |
KR1019900700442A KR970002207B1 (en) | 1988-07-01 | 1989-06-28 | Dispensing closure |
FI901019A FI93192C (en) | 1988-07-01 | 1990-02-28 | Dispensing Closure |
DK052590A DK52590D0 (en) | 1988-07-01 | 1990-02-28 | DELIVERY CLOSE |
NO90900955A NO900955L (en) | 1988-07-01 | 1990-02-28 | DISPENSING CLOSING DEVICE. |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21467688A | 1988-07-01 | 1988-07-01 | |
US214,676 | 1988-07-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1990000140A1 true WO1990000140A1 (en) | 1990-01-11 |
Family
ID=22800018
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1989/002822 WO1990000140A1 (en) | 1988-07-01 | 1989-06-28 | Dispensing closure |
Country Status (17)
Country | Link |
---|---|
EP (1) | EP0404856B1 (en) |
JP (1) | JPH03500283A (en) |
KR (1) | KR970002207B1 (en) |
AR (1) | AR243467A1 (en) |
AT (1) | ATE110336T1 (en) |
AU (1) | AU632053B2 (en) |
BR (1) | BR8907010A (en) |
CA (1) | CA1312309C (en) |
DE (1) | DE68917719T2 (en) |
DK (1) | DK52590D0 (en) |
FI (1) | FI93192C (en) |
MX (1) | MX164660B (en) |
NO (1) | NO900955L (en) |
NZ (1) | NZ229782A (en) |
PT (1) | PT91043B (en) |
WO (1) | WO1990000140A1 (en) |
ZA (1) | ZA895015B (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH682143A5 (en) * | 1990-12-07 | 1993-07-30 | Soplar Sa | Plastic bottle produced by blowing process - comprises two indentations at top acting as link part for rotary pin of flap cover |
FR2734241A1 (en) * | 1995-05-16 | 1996-11-22 | Shiseido International France | Container cover |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004028A1 (en) * | 1981-05-15 | 1982-11-25 | Sidney M Libit | Dispensing type cap closure |
US4399928A (en) * | 1982-04-14 | 1983-08-23 | Janler Corporation | Closure cap |
GB2166123A (en) * | 1984-10-25 | 1986-04-30 | Sunbeam Plastics Corp | A two-piece dispensing closure |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4460100A (en) * | 1983-06-17 | 1984-07-17 | Owens-Illinois, Inc. | Removable resistant container cap and neck assembly |
-
1989
- 1989-06-28 AU AU38613/89A patent/AU632053B2/en not_active Ceased
- 1989-06-28 DE DE68917719T patent/DE68917719T2/en not_active Expired - Fee Related
- 1989-06-28 JP JP1507431A patent/JPH03500283A/en active Pending
- 1989-06-28 WO PCT/US1989/002822 patent/WO1990000140A1/en active IP Right Grant
- 1989-06-28 EP EP89908019A patent/EP0404856B1/en not_active Expired - Lifetime
- 1989-06-28 AT AT89908019T patent/ATE110336T1/en not_active IP Right Cessation
- 1989-06-28 KR KR1019900700442A patent/KR970002207B1/en active IP Right Grant
- 1989-06-28 BR BR898907010A patent/BR8907010A/en not_active IP Right Cessation
- 1989-06-29 MX MX16652A patent/MX164660B/en unknown
- 1989-06-29 CA CA000604453A patent/CA1312309C/en not_active Expired - Fee Related
- 1989-06-30 AR AR89314309A patent/AR243467A1/en active
- 1989-06-30 ZA ZA895015A patent/ZA895015B/en unknown
- 1989-06-30 NZ NZ229782A patent/NZ229782A/en unknown
- 1989-06-30 PT PT91043A patent/PT91043B/en not_active IP Right Cessation
-
1990
- 1990-02-28 NO NO90900955A patent/NO900955L/en unknown
- 1990-02-28 DK DK052590A patent/DK52590D0/en not_active Application Discontinuation
- 1990-02-28 FI FI901019A patent/FI93192C/en not_active IP Right Cessation
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1982004028A1 (en) * | 1981-05-15 | 1982-11-25 | Sidney M Libit | Dispensing type cap closure |
US4399928A (en) * | 1982-04-14 | 1983-08-23 | Janler Corporation | Closure cap |
GB2166123A (en) * | 1984-10-25 | 1986-04-30 | Sunbeam Plastics Corp | A two-piece dispensing closure |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH682143A5 (en) * | 1990-12-07 | 1993-07-30 | Soplar Sa | Plastic bottle produced by blowing process - comprises two indentations at top acting as link part for rotary pin of flap cover |
FR2734241A1 (en) * | 1995-05-16 | 1996-11-22 | Shiseido International France | Container cover |
Also Published As
Publication number | Publication date |
---|---|
PT91043B (en) | 1994-07-29 |
BR8907010A (en) | 1990-12-26 |
FI93192B (en) | 1994-11-30 |
JPH03500283A (en) | 1991-01-24 |
FI901019A0 (en) | 1990-02-28 |
NO900955D0 (en) | 1990-02-28 |
NO900955L (en) | 1990-02-28 |
PT91043A (en) | 1990-02-08 |
ZA895015B (en) | 1990-04-25 |
KR900701618A (en) | 1990-12-03 |
ATE110336T1 (en) | 1994-09-15 |
DE68917719D1 (en) | 1994-09-29 |
EP0404856A1 (en) | 1991-01-02 |
EP0404856B1 (en) | 1994-08-24 |
DK52590A (en) | 1990-02-28 |
NZ229782A (en) | 1992-06-25 |
DK52590D0 (en) | 1990-02-28 |
AU3861389A (en) | 1990-01-23 |
CA1312309C (en) | 1993-01-05 |
MX164660B (en) | 1992-09-11 |
KR970002207B1 (en) | 1997-02-25 |
AU632053B2 (en) | 1992-12-17 |
AR243467A1 (en) | 1993-08-31 |
FI93192C (en) | 1995-03-10 |
DE68917719T2 (en) | 1995-05-04 |
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