EP0511171A1 - Elément de déchirure pour le découpage automatique d'une feuille rétractable d'emballage - Google Patents

Elément de déchirure pour le découpage automatique d'une feuille rétractable d'emballage Download PDF

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Publication number
EP0511171A1
EP0511171A1 EP92830074A EP92830074A EP0511171A1 EP 0511171 A1 EP0511171 A1 EP 0511171A1 EP 92830074 A EP92830074 A EP 92830074A EP 92830074 A EP92830074 A EP 92830074A EP 0511171 A1 EP0511171 A1 EP 0511171A1
Authority
EP
European Patent Office
Prior art keywords
shrink
film
automatic cutting
wrap
packaging films
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Withdrawn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
EP92830074A
Other languages
German (de)
English (en)
Inventor
Caffeo Dangher
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.)
ECOBAGS Sas
Original Assignee
ECOBAGS Sas
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 ECOBAGS Sas filed Critical ECOBAGS Sas
Publication of EP0511171A1 publication Critical patent/EP0511171A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/18—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements
    • B65B61/182—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for making package-opening or unpacking elements by applying tear-strips or tear-tapes
    • 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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/02—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for perforating, scoring, slitting, or applying code or date marks on material prior to packaging
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/74—Auxiliary operations
    • B31B50/81—Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B50/812—Applying tabs, patches, strips or strings on blanks or webs
    • B31B50/8125—Applying strips or strings, e.g. tear strips or strings

Definitions

  • the present invention relates to a device capable of tearing the shrink-wrap film widely used for the packaging of various products.
  • shrink-wrapping is widely employed by the food industry and by other industries in order to make up sets of individual packages which, all wrapped up in a single shrink-wrapping plastic film, can thus be easily and safely transported.
  • Figure 1 is a front view of the shrink-wrap film precutting and creasing station, which is part of the automatic packaging line.
  • Figure 2 is a top view of the film at outlet of the precutting and creasing station.
  • Figure 3 is a view of the package showing the tear device as per the present invention.
  • reference numeral 1 shows the cutting and sealing bar
  • 2 is the striker plate
  • 3 is the film roll
  • 4 is the unwound flat film
  • 5 is the double creasing made by bar (1) by means of heat applied to the particular area concerned
  • 6 is the film portion cut off from the unwound film (4) at crease (5) so as to create two tabs 7 which can be easily pulled by the operator to easily tear the packaging film along the crease, namely the point of the film wrapping weakened by the sealing line.
  • 8 shows the individual packs
  • 9 is the characteristic folding of the wrapping film in the front and in the back of the package, which allows the tabs (7) to be easily pulled by the operator.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
EP92830074A 1991-04-23 1992-02-21 Elément de déchirure pour le découpage automatique d'une feuille rétractable d'emballage Withdrawn EP0511171A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO910069U IT224720Z2 (it) 1991-04-23 1991-04-23 Congegno a strappo per l'apertura automatica di film termoretraente diimballaggio.
ITBO910069U 1991-04-23

Publications (1)

Publication Number Publication Date
EP0511171A1 true EP0511171A1 (fr) 1992-10-28

Family

ID=11337303

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92830074A Withdrawn EP0511171A1 (fr) 1991-04-23 1992-02-21 Elément de déchirure pour le découpage automatique d'une feuille rétractable d'emballage

Country Status (2)

Country Link
EP (1) EP0511171A1 (fr)
IT (1) IT224720Z2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6889483B2 (en) 2002-10-31 2005-05-10 Cryovac, Inc. Easy-opening feature for flexible packages and process and apparatus for forming same
US7527839B2 (en) 2003-02-20 2009-05-05 Curwood, Inc. Easy open heat-shrinkable packaging

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273302A (en) * 1963-12-16 1966-09-20 Container Corp Method of forming shrink film package
US3409206A (en) * 1967-03-17 1968-11-05 Continental Can Co Container blank, body, and method of forming
GB2073133A (en) * 1980-04-07 1981-10-14 Laurel Bank Machine Co Coin wrapping paper
GB2156303A (en) * 1984-03-27 1985-10-09 Neusiedler Ag A packing for a stack of sheets
EP0395249A1 (fr) * 1989-04-24 1990-10-31 Philip Morris Products Inc. Enveloppe d'emballage avec bande à déchirer intégrée et procédé et dispositif pour faire celle-ci

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3273302A (en) * 1963-12-16 1966-09-20 Container Corp Method of forming shrink film package
US3409206A (en) * 1967-03-17 1968-11-05 Continental Can Co Container blank, body, and method of forming
GB2073133A (en) * 1980-04-07 1981-10-14 Laurel Bank Machine Co Coin wrapping paper
GB2156303A (en) * 1984-03-27 1985-10-09 Neusiedler Ag A packing for a stack of sheets
EP0395249A1 (fr) * 1989-04-24 1990-10-31 Philip Morris Products Inc. Enveloppe d'emballage avec bande à déchirer intégrée et procédé et dispositif pour faire celle-ci

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6889483B2 (en) 2002-10-31 2005-05-10 Cryovac, Inc. Easy-opening feature for flexible packages and process and apparatus for forming same
US7021827B2 (en) 2002-10-31 2006-04-04 Cryovac, Inc. Easy-opening feature for flexible packages and process and apparatus for forming same
US7527839B2 (en) 2003-02-20 2009-05-05 Curwood, Inc. Easy open heat-shrinkable packaging

Also Published As

Publication number Publication date
IT224720Z2 (it) 1996-06-27
ITBO910069V0 (it) 1991-04-23
ITBO910069U1 (it) 1992-10-23

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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AK Designated contracting states

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Designated state(s): AT BE CH DE DK ES FR GB GR LI LU NL SE

18D Application deemed to be withdrawn

Effective date: 19930429