EP1690807A1 - Vorrichtung und Verfahren zum abgedichteten Lagern eines feuchtigkeitsempfindlichen Produkts - Google Patents

Vorrichtung und Verfahren zum abgedichteten Lagern eines feuchtigkeitsempfindlichen Produkts Download PDF

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Publication number
EP1690807A1
EP1690807A1 EP06290219A EP06290219A EP1690807A1 EP 1690807 A1 EP1690807 A1 EP 1690807A1 EP 06290219 A EP06290219 A EP 06290219A EP 06290219 A EP06290219 A EP 06290219A EP 1690807 A1 EP1690807 A1 EP 1690807A1
Authority
EP
European Patent Office
Prior art keywords
neck
container
inner container
opening
section
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.)
Withdrawn
Application number
EP06290219A
Other languages
English (en)
French (fr)
Inventor
Klaus Etzrodt
Claude Hubin
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.)
Joint Francais SNC
Original Assignee
Joint Francais SNC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Joint Francais SNC filed Critical Joint Francais SNC
Publication of EP1690807A1 publication Critical patent/EP1690807A1/de
Withdrawn legal-status Critical Current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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/06—Liquids or semi-liquids or other materials or articles enclosed in flexible containers disposed within rigid containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B3/00—Packaging plastic material, semiliquids, liquids or mixed solids and liquids, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B3/02—Machines characterised by the incorporation of means for making the containers or receptacles
    • B65B3/022—Making containers by moulding of a thermoplastic material
    • 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
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/0005—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container
    • B65D83/0044—Containers or packages provided with a piston or with a movable bottom or partition having approximately the same section as the container the piston having a dispensing opening formed in the piston
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/04—Applying separate sealing or securing members, e.g. clips
    • B65B51/05—Stapling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B51/00—Devices for, or methods of, sealing or securing package folds or closures; Devices for gathering or twisting wrappers, or necks of bags
    • B65B51/10—Applying or generating heat or pressure or combinations thereof
    • B65B51/14—Applying or generating heat or pressure or combinations thereof by reciprocating or oscillating members
    • B65B51/142—Closing bottle necks or tubes

Definitions

  • the present invention relates to a device for the sealed storage of at least one moisture-sensitive product, such as an isocyanate-based catalyst, for preparing a one-component or two-component polyurethane glue or sealant. and a method for storing said product (s) in a sealed manner within a rigid storage container.
  • the invention is particularly applicable to the storage of catalysts for two-component polyurethane type sealants for sealing insulating glass units.
  • Isocyanate catalysts for preparing polyurethane glues or seals are viscous products that are extremely sensitive to moisture and thus require special sealing precautions. Currently, these catalysts are stored and shipped as follows, with reference to Figures 1 to 5 attached.
  • FIG. 1 there is disposed a watertight, completely open and variable volume inner lining bag 1 on the internal face of the wall of a metal filling container 2, so that the opening of the bag 1 coincides with that of the container 2 and that the edges 1a of this opening are folded on the outer face of said wall.
  • the bag 1 is then filled, for example by direct pouring of the catalyst 3 into the latter (see arrow A).
  • the bag 1 is closed as illustrated in FIG. 2, by folding the edges 1a of its opening inwardly, bringing them together and then applying on the folded and assembled edges a adhesive tape 4.
  • the bag 1 thus closed is then returned and it is disposed in the returned state in another metallic storage container 5, as illustrated in FIG. 3, to limit the risks of penetration of moisture through the adhesive tape 4.
  • ribbon 4 and the bottom 1b of the bag 1 are then respectively facing the bottom of the container 5 and a lid 5a closing the latter.
  • This closed container 5 containing the bag 1 thus closed and returned is shipped to the customer.
  • the user of the catalyst 3 after removing the lid 5a from the container 5, makes a washer-shaped cutout 6 (shown in dashed lines) on the bottom 1b of the bag 1 and, as illustrated in FIG. 5, there is a coating apparatus comprising a follower plate 7 which is applied to the bottom 1b by sliding inside the container 5 and which extends vertically in its center by a discharge pipe 8 communicating with the catalyst 3 because of the cutout 6.
  • the user proceeds to the evacuation of the catalyst 3 by exerting a downward pressure (see arrows B) on this plate 7, so as to drive the catalyst 3 upwards (see arrow C) towards a manufacturing unit to prepare the adhesives or the aforementioned joints.
  • a major drawback of such a storage method lies in the necessary reversal of the bag 1 during its transfer from the filling container 2 to the storage container 5, to improve the sealing of the storage. Indeed, this reversal can cause a tear of the bag 1, likely to cause crystallization and leakage of the catalyst 3, and it leads to a cutting operation of the bottom 1 b of the bag 1 which is difficult, messy and can lead to loss of catalyst 3, which penalizes the cost of manufacture of these glues or these joints and also harms the preservation of the environment.
  • An object of the present invention is to provide a device for the sealed storage of at least one moisture-sensitive product, such as an isocyanate-based catalyst for preparing a polyurethane-type glue or seal.
  • this device comprising a rigid outer container with a lid and a flexible and watertight inner container which is intended to receive said product and which is disposed inside said outer container, the inner container having the at least one opening for receiving this product, said opening being defined by a neck which is formed in said inner container in a predetermined cross-section and which is adapted to be sealed by narrowing of said section, which overcomes this disadvantage.
  • a storage device is characterized in that said inner container is molded so that said neck is formed integrally with the rest of the wall of said inner container.
  • this neck is advantageously provided with means making it adapted to be connected to a filling pipe of the inner container, and that the cross section and / or the height of this neck may vary according to the dimensions of the filling pipe used.
  • said neck is formed without deformation of the edge of the opening that it defines (ie without folding or twisting of this edge).
  • said neck may have for example a cylindrical geometry, preferably of circular section, or prismatic, for example of square section.
  • said inner container such as a known, forms a lining of said outer container substantially marrying the wall of the latter.
  • said containers each have a substantially cylindrical side wall, for example of circular section.
  • Said outer container is preferably of metal type, while said inner container may be of plastic type, metal, based on a plastic / metal composite or more generally based on any relatively flexible material and waterproof.
  • said inner container is based on a polyethylene and, even more preferably, based on a low density polyethylene (LDPE) or high density (HDPE).
  • LDPE low density polyethylene
  • HDPE high density
  • this method is characterized in that said inner container is molded so that said neck is formed integrally with the rest of the wall of said inner container.
  • sealing of said neck is advantageously carried out in step (ii) by means of a mechanical clamping member enclosing said neck in a sealed manner, such as a collar. or a staple.
  • the sealing of said neck in step (ii) is carried out by means of a heat seal, or any other suitable means ensuring a tight seal.
  • said neck is formed without deformation of the edge of the opening that it defines.
  • said inner container such as a plastic type of bag, metal or based on a plastic / metal composite, forms a lining of said outer container substantially marrying the wall of this latest.
  • a storage device 10 according to the invention of a watertight product (s), such as isocyanate-based catalysts for preparing a polyurethane-type glue or seal mono or bi-component is illustrated in its entirety in Figures 8 to 12.
  • This device 10 is essentially distinguished from known storage devices that incorporate, with reference to Figures 1 to 5, the packing bag 1 and the containers 2 and 5, in that it comprises a flexible inner container 11 which is illustrated more particularly in Figure 7.
  • the flexible container 11 is constituted in this embodiment of a bag based on at least one watertight material which has a side wall 12 and an opening 13 whose upper edge is defined by a neck 14 for allow filling.
  • the neck 14 is formed by integrally molding with the side wall 12, so that the neck 14 has a predetermined cross-section, which is adapted to receive a tip 15 of a filling pipe 16 opening to the inside the neck 14, for conveying the product to be stored in the container 11 by channeling it inside the neck 14.
  • the lateral wall 12 and the neck 14 advantageously both have a cylindrical geometry of circular cross-section, and this wall 12 extends in a discontinuous manner, radially inwards and substantially at right angles, through an annular section 17 which ends with the lower base 14b of the neck 14, such that this section 17 is substantially perpendicular to the side wall 12 and the neck 14.
  • the annular section 17 extends slightly upwards (ie axially towards the outside of the container 11) of the lateral wall 12 at the neck 14.
  • the container 11 is advantageously made of a low density polyethylene (LDPE), density for example equal to 0.922 g / cm 3 .
  • LDPE low density polyethylene
  • the neck 14 is adapted to be sealed by shrinking its section, in this example by means of a mechanical clamping member 18, such as a collar or a staple, which encloses the neck 14 d In a water-tight manner axially between the upper edge 14a and the lower base 14b of the neck 14. It will be noted that this neck 14 could also be sealed by hot welding.
  • a mechanical clamping member 18 such as a collar or a staple
  • the storage device 10 is further distinguished from the known storage devices 1, 2 and FIGS. 1 to 5, in that it comprises a single rigid outer container 20.
  • the latter advantageously metallic, serves both to fill and to store the product 3 and contains, opposite its side wall 21, the flexible container 11 according to the invention.
  • the flexible container 11 has a volume that is adapted to that of the rigid container 20, so that this flexible container 11 can substantially marry the inner face of the wall of the rigid container 20 in the manner of an inner liner or d a lining.
  • the flexible container 11 is filled with product 3 via the pipe 16 (see arrow D in FIG. 8) and the neck 14.
  • the container 11 is sealed by sealing the neck 14, for example implemented by means of the clamping collar 18 as shown in FIG. 9, then a lid 20a is placed on the container 20 for the storage and shipping of the product 3, as shown in Figure 10.
  • This cover 20 is preferably metallic, like the container 20.
  • the user of the product 3 after having removed this cover 20a, makes a cutout 22 in the form of a washer (shown in dotted lines) on the container 11, this cutout 22 having the effect of detaching the neck 14 sealed container 11.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Closures For Containers (AREA)
EP06290219A 2005-02-09 2006-02-08 Vorrichtung und Verfahren zum abgedichteten Lagern eines feuchtigkeitsempfindlichen Produkts Withdrawn EP1690807A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0501297A FR2881720B1 (fr) 2005-02-09 2005-02-09 Dispositif et procede de stockage etanche d'au moins un produit sensible a l'humidite

Publications (1)

Publication Number Publication Date
EP1690807A1 true EP1690807A1 (de) 2006-08-16

Family

ID=34979736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06290219A Withdrawn EP1690807A1 (de) 2005-02-09 2006-02-08 Vorrichtung und Verfahren zum abgedichteten Lagern eines feuchtigkeitsempfindlichen Produkts

Country Status (2)

Country Link
EP (1) EP1690807A1 (de)
FR (1) FR2881720B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100711A1 (de) 2016-01-18 2017-07-20 Scheugenpflug Ag Behälter und Verfahren zum Handhaben des Behälters

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574931A (en) * 1948-12-20 1951-11-13 Stauffer Chemical Co Container for corrosive fluids
US2748673A (en) 1951-03-09 1956-06-05 Hedwin Corp Liner for composite containers
US2954901A (en) * 1956-10-29 1960-10-04 Hedwin Corp Composite package
US3358905A (en) 1965-09-27 1967-12-19 Inland Steel Co Flexible bag type shipping container and method of clsing and sealing same
US5651460A (en) * 1992-08-12 1997-07-29 Teroson Gmbh Pack for adhesives and/or sealants
EP1147995A1 (de) * 2000-04-20 2001-10-24 Thomas Schmid Behälter zur Aufnahme von fluiden Medien

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2574931A (en) * 1948-12-20 1951-11-13 Stauffer Chemical Co Container for corrosive fluids
US2748673A (en) 1951-03-09 1956-06-05 Hedwin Corp Liner for composite containers
US2954901A (en) * 1956-10-29 1960-10-04 Hedwin Corp Composite package
US3358905A (en) 1965-09-27 1967-12-19 Inland Steel Co Flexible bag type shipping container and method of clsing and sealing same
US5651460A (en) * 1992-08-12 1997-07-29 Teroson Gmbh Pack for adhesives and/or sealants
EP1147995A1 (de) * 2000-04-20 2001-10-24 Thomas Schmid Behälter zur Aufnahme von fluiden Medien

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016100711A1 (de) 2016-01-18 2017-07-20 Scheugenpflug Ag Behälter und Verfahren zum Handhaben des Behälters
DE102016100711B4 (de) 2016-01-18 2018-09-13 Scheugenpflug Ag Verfahren zum Handhaben und Entleeren eines Behälters sowie hierfür geeigneter Behälter

Also Published As

Publication number Publication date
FR2881720A1 (fr) 2006-08-11
FR2881720B1 (fr) 2009-12-18

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