WO2002062677A1 - Glue stick package - Google Patents

Glue stick package Download PDF

Info

Publication number
WO2002062677A1
WO2002062677A1 PCT/GB2002/000515 GB0200515W WO02062677A1 WO 2002062677 A1 WO2002062677 A1 WO 2002062677A1 GB 0200515 W GB0200515 W GB 0200515W WO 02062677 A1 WO02062677 A1 WO 02062677A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
packaging
wall
base
packaging according
Prior art date
Application number
PCT/GB2002/000515
Other languages
French (fr)
Inventor
Michael Ronald Brimson
Original Assignee
Webcater Ltd.
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
Priority claimed from GB0102970A external-priority patent/GB0102970D0/en
Priority claimed from GB0108798A external-priority patent/GB0108798D0/en
Application filed by Webcater Ltd. filed Critical Webcater Ltd.
Publication of WO2002062677A1 publication Critical patent/WO2002062677A1/en

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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/20—Containers, packaging elements or packages, specially adapted for particular articles or materials for incompressible or rigid rod-shaped or tubular articles
    • 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
    • B65D3/00—Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/26—Opening arrangements or devices incorporated in, or attached to, containers
    • B65D3/261—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in the container side wall
    • B65D3/264—Opening arrangements or devices incorporated in, or attached to, containers the opening arrangement being located in the container side wall forming a longitudinal line of weakness
    • 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
    • B65D77/10—Container closures formed after filling
    • B65D77/20—Container closures formed after filling by applying separate lids or covers, i.e. flexible membrane or foil-like covers

Definitions

  • This invention relates to an improved packaging, particularly, but not exclusively for adhesive for use in a hot melt glue gun.
  • a hot melt glue gun uses heat to melt a solid adhesive which is generally supplied to it in the form of a stick or rod.
  • the molten adhesive or glue is then dispensed by applying pressure to the adhesive rod to advance the rod and force the molten glue out of the gun.
  • the glue for use in such glue guns is always supplied in a foil packaging.
  • the glue is first melted into a molten state.
  • the foil packaging is placed in a cylinder to impart shape to the packaging when it is filled with the molten glue.
  • the molten glue is then aliquoted into the foil packaging, the packaging is sealed and the glue is allowed to set in a substantially cylindrical shape.
  • This packing must be removed before the glue can be used.
  • This form of packaging creates two problems. The first is that removal of the foil creates waste that must be removed and/or recycled and, secondly, as the glue is packed whilst in a molten state the foil can crease into the molten glue and therefore pieces of foil become trapped in the glue, thus reducing glue quality.
  • the present invention provides an adhesive packaging adapted to protect a glue stick for a hot melt glue gun, the packaging comprising a substantially cylindrical one piece shape retaining container in which the glue stick is stored.
  • the container may be manufactured from a plastics material.
  • the plastics material is one of PNC, LDPE, HDPE. Most preferably the plastics material is PNC.
  • the container may be manufactured from any other material other than plastics.
  • the other material may be a metal material. Conveniently, the metal may be aluminium.
  • the plastics container may have a lubricant within a wall and/or a base portion.
  • the lubricant eases the removal of the adhesive stick from the container.
  • the lubricant is conveniently a wax compound.
  • the container has a base with a continuous substantially cylindrical side wall extending from the base, the side wall and base defining an open ended cavity into which the glue is stored.
  • the inside of the wall of the cavity may taper inwardly from the opening of the container to the container base. This internal taper facilitates removal of the adhesive from the packaging when it is required.
  • the container may have a corresponding external taper from the container opening to the base of the container. This corresponding external taper allows the container to be nestable for storage when not in use or for transport to an adhesive supplier to be refilled.
  • the packaging may further comprise a fastening which substantially closes the open end of the cavity.
  • the fastening serves as a barrier between the glue and the external atmosphere and thus helps to preserve the adhesive in storage or in transit. It may completely seal the cavity.
  • the fastening may comprise a foil lid.
  • the fastening may be easily removable and disposable.
  • the fastening may comprise a plastics or screw on/clip on type lid.
  • the plastics lid may further include a sealing ring present on the inner surface to provide an airtight and watertight seal.
  • the lid may alternatively be manufactured from a metal material.
  • the container is filled with a thermoplastic adhesive for use with hot-melt glue guns.
  • the adhesive is preferably polyurethane.
  • the container may be reused many times by recycling the empty container back to an adhesive supplier thus removing build up of waste material.
  • the container need only be replaced when it becomes damaged or defective in some way. This corresponding external taper allows the container to be nestable for storage when not in use or for transport to an adhesive supplier to be refilled.
  • the adhesive in the container prefferably be used for other applications and not just for hot melt glue guns.
  • the wall of the container may include one or more tear strips which extend from the open end of the container towards the base.
  • the tear strip preferably extends from the open end to a point at or adjacent the base of the container.
  • the tear strip may be defined by two weakened lines extending down the wall which define a strip or tongue of wall therebetween.
  • a pull ring or other portion adapted to be gripped by the hand may be provided on the end of the strip or tongue at the open end of the container.
  • the lines may be substantially parallel.
  • the weakened lines may comprise portions of the wall which are thinner than the remainder of the wall to either side of the weakened lines.
  • the weakened lines may be continuous or comprises a row of small weakened portions extending along the wall.
  • the weakenings may be defined by small perforations in the wall.
  • One or more further weakenings may be provided on the tear strip or tongue which extend across between the edges of the tear strip. These additional weakenings permit the tear strip to curl up as it is peeled away. This is especially useful where the wall of the container is relatively thick.
  • Providing the tear strip allows the wall of the container to be peeled back which in turn makes the contents of the container easier to release.
  • the wall may be provided with a single elongate weakened line extending at least part of the way towards the base of the container along which the container can be torn.
  • the invention provides in combination a glue stick protected by a packaging comprising a substantially cylindrical one piece shape retaining container.
  • Figure 2 shows the container filled with adhesive
  • Figure 3 shows a side view of a second embodiment of a modified container within the scope of the invention.
  • FIG. 1 of the accompanying drawings shows a side view of an adhesive packaging in accordance with the invention.
  • the packaging comprises a one piece container having a substantially planar base 1 with a single substantially cylindrical side wall 2 extending upwards from the base to define a cavity.
  • the wall has a substantially cylindrical radially extending planar lip 3.
  • the substantially cylindrical radially extending lip form an attachment point for the fastening.
  • the fastening is a foil seal 4.
  • the container is manufactured from a plastics sheet material with a lubricant contained in the plastic. Wax beads, which form the lubricant, are mixed with the plastics powder material prior to the formation of the plastics sheet.
  • the plastics sheet is then manufactured having wax lubricant dispersed uniformly throughout the plastics sheet.
  • the container is then moulded from the plastic sheet. The lubricant can seep out of the plastics material over a time period to enable the easy removal of the adhesive stick from the container.
  • the plastics container illustrated defines a cavity having a convenient 2 litre capacity. Of course other capacity containers may be provided depending on the application.
  • the plastics container is moulded with an internal and corresponding external taper from the container opening to the base of the container.
  • the internal taper facilitates the easy removal of the adhesive stick from the container.
  • the external taper enables the container to be nestable. This is useful when storing the containers when not in use and also for transport back to an adhesive supplier for refilling. The nestable ability also reduces the space needed for storing the containers.
  • the containers are filled with aliquots of molten adhesive (Figure 2) by methods known to persons skilled in this art.
  • the containers with aliquots of molten adhesive are then closed using a foil seal and subsequently cooled and stored ready for transport to a factory. Upon reaching the factory, the packaging is removed prior to the use of the glue stick.
  • Figure 2 shows a side view of the container filled with adhesive 5.
  • FIG. 3 A modified container is illustrated in Figure 3 of the accompanying drawings.
  • the container 10 has a circular base 11 and a continuous wall 12 upstanding therefrom.
  • a lip 13 is provided at the open end of the wall 11 to help the container wall retain a cylindrical form when it is empty.
  • a tear strip 14 is provided which comprises a strip of wall extending continuously from the open end of the container down to the base.
  • the strip 14 is defined between parallel spaced apart weakening lines 15, 16.
  • the weakening lines comprise rows of spaced apart perforations or thinned portions of the wall material.
  • a pull ring 17 is provided at the upper most end of the tear strip 14 which can be gripped in the hand to permit the tear strip to be peeled away as the wall tears along the weakening lines.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)

Abstract

An adhesive packing for use in protecting a hot melt glue stick is disclosed which comprises a substantially cylindrical one piece shape retaining container (10). Optionally, the wall (12) of the container may be provided with a tear strip (18) defined by two weakened lines (15, 16) extending down from an open end of the container.

Description

GLUE STICK PACKAGE
This invention relates to an improved packaging, particularly, but not exclusively for adhesive for use in a hot melt glue gun.
A hot melt glue gun uses heat to melt a solid adhesive which is generally supplied to it in the form of a stick or rod. The molten adhesive or glue is then dispensed by applying pressure to the adhesive rod to advance the rod and force the molten glue out of the gun.
The glue for use in such glue guns is always supplied in a foil packaging. The glue is first melted into a molten state. The foil packaging is placed in a cylinder to impart shape to the packaging when it is filled with the molten glue. The molten glue is then aliquoted into the foil packaging, the packaging is sealed and the glue is allowed to set in a substantially cylindrical shape.
This packing must be removed before the glue can be used. This form of packaging creates two problems. The first is that removal of the foil creates waste that must be removed and/or recycled and, secondly, as the glue is packed whilst in a molten state the foil can crease into the molten glue and therefore pieces of foil become trapped in the glue, thus reducing glue quality.
Accordingly, the present invention provides an adhesive packaging adapted to protect a glue stick for a hot melt glue gun, the packaging comprising a substantially cylindrical one piece shape retaining container in which the glue stick is stored.
By providing a shape retaining container, molten glue poured into the container will solidify into a shape defined by the shape of the container. The problem of creasing present with the flexible prior art foil packaging is therefore overcome.
The container may be manufactured from a plastics material. Conveniently, the plastics material is one of PNC, LDPE, HDPE. Most preferably the plastics material is PNC. The container may be manufactured from any other material other than plastics. The other material may be a metal material. Conveniently, the metal may be aluminium.
The plastics container may have a lubricant within a wall and/or a base portion. The lubricant eases the removal of the adhesive stick from the container. The lubricant is conveniently a wax compound.
The container has a base with a continuous substantially cylindrical side wall extending from the base, the side wall and base defining an open ended cavity into which the glue is stored.
The inside of the wall of the cavity may taper inwardly from the opening of the container to the container base. This internal taper facilitates removal of the adhesive from the packaging when it is required.
Additionally the container may have a corresponding external taper from the container opening to the base of the container. This corresponding external taper allows the container to be nestable for storage when not in use or for transport to an adhesive supplier to be refilled.
The packaging may further comprise a fastening which substantially closes the open end of the cavity. The fastening serves as a barrier between the glue and the external atmosphere and thus helps to preserve the adhesive in storage or in transit. It may completely seal the cavity. The fastening may comprise a foil lid. The fastening may be easily removable and disposable. Alternatively, the fastening may comprise a plastics or screw on/clip on type lid. The plastics lid may further include a sealing ring present on the inner surface to provide an airtight and watertight seal. The lid may alternatively be manufactured from a metal material.
In use, the container is filled with a thermoplastic adhesive for use with hot-melt glue guns. The adhesive is preferably polyurethane.
The container may be reused many times by recycling the empty container back to an adhesive supplier thus removing build up of waste material. The container need only be replaced when it becomes damaged or defective in some way. This corresponding external taper allows the container to be nestable for storage when not in use or for transport to an adhesive supplier to be refilled.
It is of course possible, in some applications, for the adhesive in the container to be used for other applications and not just for hot melt glue guns.
The wall of the container may include one or more tear strips which extend from the open end of the container towards the base.
The tear strip preferably extends from the open end to a point at or adjacent the base of the container.
The tear strip may be defined by two weakened lines extending down the wall which define a strip or tongue of wall therebetween. A pull ring or other portion adapted to be gripped by the hand may be provided on the end of the strip or tongue at the open end of the container. The lines may be substantially parallel.
The weakened lines may comprise portions of the wall which are thinner than the remainder of the wall to either side of the weakened lines. The weakened lines may be continuous or comprises a row of small weakened portions extending along the wall.
Alternatively, the weakenings may be defined by small perforations in the wall.
One or more further weakenings may be provided on the tear strip or tongue which extend across between the edges of the tear strip. These additional weakenings permit the tear strip to curl up as it is peeled away. This is especially useful where the wall of the container is relatively thick.
Providing the tear strip allows the wall of the container to be peeled back which in turn makes the contents of the container easier to release.
In an alternative, the wall may be provided with a single elongate weakened line extending at least part of the way towards the base of the container along which the container can be torn.
According to a second aspect, the invention provides in combination a glue stick protected by a packaging comprising a substantially cylindrical one piece shape retaining container.
Two embodiments of the invention will now be described with reference to the accompanying drawing of which:- Figure 1 shows a side view of a first adhesive container within the scope of the invention;
Figure 2 shows the container filled with adhesive; and
Figure 3 shows a side view of a second embodiment of a modified container within the scope of the invention.
Figure 1 of the accompanying drawings shows a side view of an adhesive packaging in accordance with the invention. The packaging comprises a one piece container having a substantially planar base 1 with a single substantially cylindrical side wall 2 extending upwards from the base to define a cavity. The wall has a substantially cylindrical radially extending planar lip 3. The substantially cylindrical radially extending lip form an attachment point for the fastening. The fastening is a foil seal 4.
The container is manufactured from a plastics sheet material with a lubricant contained in the plastic. Wax beads, which form the lubricant, are mixed with the plastics powder material prior to the formation of the plastics sheet. The plastics sheet is then manufactured having wax lubricant dispersed uniformly throughout the plastics sheet. The container is then moulded from the plastic sheet. The lubricant can seep out of the plastics material over a time period to enable the easy removal of the adhesive stick from the container.
The plastics container illustrated defines a cavity having a convenient 2 litre capacity. Of course other capacity containers may be provided depending on the application. The plastics container is moulded with an internal and corresponding external taper from the container opening to the base of the container. The internal taper facilitates the easy removal of the adhesive stick from the container. The external taper enables the container to be nestable. This is useful when storing the containers when not in use and also for transport back to an adhesive supplier for refilling. The nestable ability also reduces the space needed for storing the containers.
The containers are filled with aliquots of molten adhesive (Figure 2) by methods known to persons skilled in this art. The containers with aliquots of molten adhesive are then closed using a foil seal and subsequently cooled and stored ready for transport to a factory. Upon reaching the factory, the packaging is removed prior to the use of the glue stick.
Figure 2 shows a side view of the container filled with adhesive 5.
Reference numerals have been kept consistent.
A modified container is illustrated in Figure 3 of the accompanying drawings. The container 10 has a circular base 11 and a continuous wall 12 upstanding therefrom. A lip 13 is provided at the open end of the wall 11 to help the container wall retain a cylindrical form when it is empty.
A tear strip 14 is provided which comprises a strip of wall extending continuously from the open end of the container down to the base. The strip 14 is defined between parallel spaced apart weakening lines 15, 16. The weakening lines comprise rows of spaced apart perforations or thinned portions of the wall material. A pull ring 17 is provided at the upper most end of the tear strip 14 which can be gripped in the hand to permit the tear strip to be peeled away as the wall tears along the weakening lines.

Claims

1. An adhesive packaging adapted to protect a glue stick for a hot melt gun, the packaging comprising a substantially cylindrical one piece shape retaining container in which the glue stick is stored.
2. The packaging of Claim 1 which is manufactured from a plastics material.
3. The container of Claim 2 in which the plastics material is one of PNC, LDPE, HDPE.
4. A packaging of any preceding claim which has a lubricant within a wall and/or a base portion.
5. A packaging according to Claim 4 in which the lubricant is a wax compound.
6. A packaging according to any preceding claim having a base with a continuous substantially cylindrical side wall extending from the base, the side wall and base defining an open ended cavity into which the glue is stored.
7. A packaging according to Claim 6 in which the inside of the wall of the cavity tapers inwardly from the opening of the container to the container base.
8. A packaging according to Claim 7 which additionally has a corresponding external taper from the container opening to the base of the container.
9. A packaging according to any preceding claim which further comprises a fastening which substantially closes the open end of the cavity.
10. A packaging according to Claim 9 in which the fastening comprises a foil lid.
11. A packaging according to any preceding claim in which a wall of the container includes one or more tear strips which extend from the open end of the container towards the base.
12. A packaging according to Claim 11 in which the tear strip is defined by two weakened lines extending down the wall which define a strip or tongue of wall therebetween.
13. A packaging according to Claim 12 in which a pull ring or other portion adapted to be gripped by the hand is provided on the end of the strip or tongue at the open end of the container.
14. In combination a glue stick protected by a packaging comprising a substantially cylindrical one piece shape retaining container.
PCT/GB2002/000515 2001-02-07 2002-02-07 Glue stick package WO2002062677A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0102970A GB0102970D0 (en) 2001-02-07 2001-02-07 Improvements relating to packaging
GB0102970.1 2001-02-07
GB0108798.0 2001-04-07
GB0108798A GB0108798D0 (en) 2001-04-07 2001-04-07 Improvements relating to packaging

Publications (1)

Publication Number Publication Date
WO2002062677A1 true WO2002062677A1 (en) 2002-08-15

Family

ID=26245694

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2002/000515 WO2002062677A1 (en) 2001-02-07 2002-02-07 Glue stick package

Country Status (1)

Country Link
WO (1) WO2002062677A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2330165A1 (en) * 2009-12-04 2011-06-08 Sika Technology AG Hot adhesive stick with a melting adhesive material for use in a hot glue gun
DE102015205113A1 (en) 2015-03-20 2016-09-22 Henkel Ag & Co. Kgaa Hot melt adhesive unit with a hot melt adhesive

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251192A7 (en) * 1973-11-09 1975-06-06 Unilever Nv Tear-open cup-shaped packing container - has strip running from top to base between weakened lines
US4926029A (en) * 1988-07-08 1990-05-15 Minnesota Mining And Manufacturing Company Method and combination for heating and dispensing hot melt materials
EP0469564A1 (en) * 1990-08-01 1992-02-05 H.B. FULLER LICENSING & FINANCING, INC. Method of packaging an adhesive composition and corresponding packaged article
EP0612822A1 (en) * 1993-02-25 1994-08-31 Minnesota Mining And Manufacturing Company Hot melt stick
US5540357A (en) * 1994-08-10 1996-07-30 Loctite Corporation Microwaveable adhesive charge comprising shaped adhesive body
EP0723818A2 (en) * 1995-01-25 1996-07-31 Leonard Massena Glue gun system with removable cartridges
EP0790193A1 (en) * 1996-02-19 1997-08-20 Societe Alsacienne D'aluminium Opening device for a flanged foil-sealed container

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2251192A7 (en) * 1973-11-09 1975-06-06 Unilever Nv Tear-open cup-shaped packing container - has strip running from top to base between weakened lines
US4926029A (en) * 1988-07-08 1990-05-15 Minnesota Mining And Manufacturing Company Method and combination for heating and dispensing hot melt materials
EP0469564A1 (en) * 1990-08-01 1992-02-05 H.B. FULLER LICENSING & FINANCING, INC. Method of packaging an adhesive composition and corresponding packaged article
EP0612822A1 (en) * 1993-02-25 1994-08-31 Minnesota Mining And Manufacturing Company Hot melt stick
US5540357A (en) * 1994-08-10 1996-07-30 Loctite Corporation Microwaveable adhesive charge comprising shaped adhesive body
EP0723818A2 (en) * 1995-01-25 1996-07-31 Leonard Massena Glue gun system with removable cartridges
EP0790193A1 (en) * 1996-02-19 1997-08-20 Societe Alsacienne D'aluminium Opening device for a flanged foil-sealed container

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2330165A1 (en) * 2009-12-04 2011-06-08 Sika Technology AG Hot adhesive stick with a melting adhesive material for use in a hot glue gun
DE102015205113A1 (en) 2015-03-20 2016-09-22 Henkel Ag & Co. Kgaa Hot melt adhesive unit with a hot melt adhesive

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