WO2000071435A1 - Joints d'extremite pour recipients cylindriques - Google Patents

Joints d'extremite pour recipients cylindriques Download PDF

Info

Publication number
WO2000071435A1
WO2000071435A1 PCT/AU2000/000043 AU0000043W WO0071435A1 WO 2000071435 A1 WO2000071435 A1 WO 2000071435A1 AU 0000043 W AU0000043 W AU 0000043W WO 0071435 A1 WO0071435 A1 WO 0071435A1
Authority
WO
WIPO (PCT)
Prior art keywords
end seal
fingers
cylindrical container
seal
central region
Prior art date
Application number
PCT/AU2000/000043
Other languages
English (en)
Inventor
Jeffrey Michael Cahill
Original Assignee
Jeffrey Michael Cahill
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 AUPQ0532A external-priority patent/AUPQ053299A0/en
Priority claimed from AUPQ3368A external-priority patent/AUPQ336899A0/en
Application filed by Jeffrey Michael Cahill filed Critical Jeffrey Michael Cahill
Priority to GB0130683A priority Critical patent/GB2371293A/en
Priority to AU26470/00A priority patent/AU2647000A/en
Publication of WO2000071435A1 publication Critical patent/WO2000071435A1/fr

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
    • B65D59/00—Plugs, sleeves, caps, or like rigid or semi-rigid elements for protecting parts of articles or for bundling articles, e.g. protectors for screw-threads, end caps for tubes or for bundling rod-shaped articles
    • B65D59/06—Caps

Definitions

  • This invention relates to closures or seals for cylindrical containers.
  • Cylinder shaped containers are commonly used for storing and transporting articles. For example, they are commonly used for transporting articles via the postal or courier systems.
  • An advantage of cylindrical containers over other shaped containers is that the container can be constructed so as to be relatively strong yet light weight.
  • Such containers can be constructed from commercially available materials such as cardboard to provide relatively strong side walls that are resistant to compressive forces perpendicular to the longitudinal axis of the container. This ensures strong but light weight containers can be constructed.
  • Cylindrical containers usually have end closures for both ends to ensure the contents are retained within the container and also to prevent the ingress of moisture that may damage the contents of the container.
  • the end closures are normally in the form of suitably shaped caps that are engaged on one or both ends of the container using a frictional fit.
  • the caps thus usually have a cylindrical side wall and an end portion that provides a lid to the side wall.
  • the external dimensions of the cylindrical side wall are slightly less than the inside diameter of the cylindrical container. This allows the cap to be fitted inside the container and thus provide increased strength to the container as well as sealing the ends.
  • Caps may also have an annular lip portion on the side walls to prevent the cap from being inserted beyond the required distance into the container.
  • the caps can be manufactured from cardboard but more commonly are manufactured from plastic such as polyethylene.
  • a more convenient and easier to use method of sealing a cylindrical tube is desired.
  • This invention provides in one form a cylindrical container end seal consisting of a relatively thin foldable sheet that is self adhesive on one surface and having a generally circular central region of diameter similar to the diameter of the container to be sealed and a plurality of fingers arranged in a radial fashion extending outwards from said circular central region wherein the fingers are adapted so that in use when the fingers are folded perpendicular to the plane of the central region no fingers overlap with each other.
  • the end seal includes a backing sheet on the self adhesive surface to allow the seal to be conveniently stored and used by pealing from the backing sheet.
  • the fingers are of different lengths and more preferably two different lengths.
  • this invention provides a method of sealing an end cap in a cylindrical container with an end seal as described above, centering the central region over the end cap and folding the arms so that they become adhered to the side walls of the container.
  • Figure 1 is a plan view of a self adhesive seal on a square shaped backing sheet.
  • Figure 2 is a schematic view showing the seal of Figure 1 attached to a cylindrical container. Detailed Description of the Invention
  • the end seal 1 has a circular central region 2 and eight radially arranged arms or fingers 3, 4.
  • Alternate arms 3, 4 are of differing length.
  • the arms 3, 4 are shaped so that when folded perpendicular to the central region 2 they do not overlap. This is illustrated in Figure 2.
  • the arms adhere to the sidewalls 6 of the cylindrical container.
  • the end seal 1 is shown on a backing sheet 5.
  • the end seal is relatively thin and foldable and may be manufactured from a wide range of paper or plastic type materials. The material needs to be sufficiently flexible to allow a bend at right angles without substantially weakening the material.
  • the end seals may be conveniently prepared by using a rotary die cutter. Typical thicknesses of the end seal would be in the range .05 - .5mm and more commonly .02 - .2mm. Provided adequate strength is provided, thinner materials may be used and these are more cost effective.
  • the arms or fingers are dimensioned and shaped so that in use they do not overlap with each other. We have found that by alternating longer or shorter arms and fingers that the end seals are easier to use as the arms have less tendency to inadvertently adhere to each other when being applied to a container.
  • the end seal material is preferably water proof and examples of suitable materials are coated paper and plastics such as vinyls.
  • the nature of the adhesive on the seal is important in that it provides the means to secure the cap to the sides of the container and is preferably of a form that means the seal has to be cut or broken to open the container thus rendering the seal tamper evident. To facilitate the opening of containers the end seals may be provided with some areas of weakness that facilitate the tearing of the end seal.
  • the end seals of the present invention provide a convenient and easy to use method that overcomes the disadvantages of known methods.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

Cette invention concerne un joint d'extrémité (1) pour récipients cylindriques présentant une couche auto-adhésive présente sur l'une des faces d'une fine feuille repliable. Le joint d'extrémité (1) présente une partie centrale circulaire et huit bras (3, 4) de longueurs alternées, disposés de manière radiale. Le joint d'extrémité (1) est utilisé pour maintenir de manière sûre des bouchons sur des récipients cylindriques.
PCT/AU2000/000043 1999-05-25 2000-01-28 Joints d'extremite pour recipients cylindriques WO2000071435A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0130683A GB2371293A (en) 1999-05-25 2000-01-28 End seals for cylindrical containers
AU26470/00A AU2647000A (en) 1999-05-25 2000-01-28 End seals for cylindrical containers

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AUPQ0532 1999-05-25
AUPQ0532A AUPQ053299A0 (en) 1999-05-25 1999-05-25 The "cylseal" postal cylinder seal
AUPQ3368A AUPQ336899A0 (en) 1999-10-12 1999-10-12 'Cylseal' postal cylinder seal
AUPQ3368 1999-10-12

Publications (1)

Publication Number Publication Date
WO2000071435A1 true WO2000071435A1 (fr) 2000-11-30

Family

ID=25646065

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU2000/000043 WO2000071435A1 (fr) 1999-05-25 2000-01-28 Joints d'extremite pour recipients cylindriques

Country Status (3)

Country Link
AU (1) AU2647000A (fr)
GB (1) GB2371293A (fr)
WO (1) WO2000071435A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006079220A1 (fr) * 2005-01-31 2006-08-03 The Cupworks Corporation Recipient a couvercle rabattable

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2409199A (en) * 2003-12-19 2005-06-22 Gail Gunn Drug rape protection device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658798A1 (fr) * 1990-02-23 1991-08-30 Coralyne Sa Dispositif pour l'emballage d'une plante en pot.

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2658798A1 (fr) * 1990-02-23 1991-08-30 Coralyne Sa Dispositif pour l'emballage d'une plante en pot.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006079220A1 (fr) * 2005-01-31 2006-08-03 The Cupworks Corporation Recipient a couvercle rabattable

Also Published As

Publication number Publication date
AU2647000A (en) 2000-12-12
GB0130683D0 (en) 2002-02-06
GB2371293A (en) 2002-07-24

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