IE42745L - Shrink-packaging with tear-tape - Google Patents

Shrink-packaging with tear-tape

Info

Publication number
IE42745L
IE42745L IE750722A IE72275A IE42745L IE 42745 L IE42745 L IE 42745L IE 750722 A IE750722 A IE 750722A IE 72275 A IE72275 A IE 72275A IE 42745 L IE42745 L IE 42745L
Authority
IE
Ireland
Prior art keywords
article
curtain
tear
webs
tape
Prior art date
Application number
IE750722A
Other versions
IE42745B1 (en
Original Assignee
British Visqueen 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
Application filed by British Visqueen Ltd filed Critical British Visqueen Ltd
Publication of IE42745L publication Critical patent/IE42745L/en
Publication of IE42745B1 publication Critical patent/IE42745B1/en

Links

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Packages (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

1508126 Packaging BRITISH VISQUEEN Ltd 25 March 1975 [30 April 1974] 18875/74 Addition to 1335304 Heading B8C A method of wrapping an article comprises advancing the article, 3, against a curtain formed by a web 9 of heat-shrinkable plastics film and a web 7 of a tear-tape material drawn from supply means 8, 6 respectively on opposite sides of the path of the article and transversely heat-sealed together at 10 to form the curtain across the path of the article. The article is then further advanced into the curtain, with further withdrawal of the material from the web supply means, until the curtain extends around the article to beyond its trailing end, the tear-tape material 7 being withdrawn non-continuously from its supply means so that a predetermined length not greater than “ of the length of the perimeter of the article in the direction of its advancement is withdrawn. The two webs are then transversely heat sealed together and severed behind the article to leave on one side the article 3a enveloped or partially enveloped in a sleeve formed from the two webs, and on the other side the two webs sealed together to form again a curtain. As described, the article 3 is advanced by a pusher 2 into the curtain and on to a conveyer 4 which, after sealing and severing of the webs by heated jaws 11, 12 and knife 13, carries the package into a shrink tunnel 5. The supply roller 6 for the tear-tape material is braked intermittently so that the tear-tape extends over <SP>1</SP>/ 9 to <SP>1</SP>/ 11 of the article perimeter. Preferably the brake is released as the jaws 11, 12 open and is applied when a stud 19 on a roller 17 actuates a micro-switch 18. Alternative actuating means, e.g. photo-electric, pneumatic, or magnetic, or marks on the tear-tape web, or a controlled dancer roll may be used to control the length of material fed. The curtain may be narrower or wider than the article fed and its end edges may be heatsealed. The tear-tape web may be wider than the other. Two webs of the heat-shrinkable material may be supplied to form a double layer. The webs may be of similar materials, e.g. polyethylene, polypropylene, or copolymers thereof. [GB1508126A]
IE722/75A 1974-04-30 1975-04-02 Packaging method IE42745B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB18875/74A GB1508126A (en) 1974-04-30 1974-04-30 Packaging method

Publications (2)

Publication Number Publication Date
IE42745L true IE42745L (en) 1975-10-30
IE42745B1 IE42745B1 (en) 1980-10-08

Family

ID=10119929

Family Applications (1)

Application Number Title Priority Date Filing Date
IE722/75A IE42745B1 (en) 1974-04-30 1975-04-02 Packaging method

Country Status (7)

Country Link
BE (1) BE828634R (en)
FR (1) FR2269461B2 (en)
GB (1) GB1508126A (en)
IE (1) IE42745B1 (en)
IT (1) IT7522440A1 (en)
LU (1) LU72378A1 (en)
ZA (1) ZA752163B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3034417B1 (en) * 2014-12-19 2017-09-20 Alain Cerf Film wrapping using a single roll

Also Published As

Publication number Publication date
IT7522440A1 (en) 1976-10-17
ZA752163B (en) 1976-03-31
GB1508126A (en) 1978-04-19
AU8008875A (en) 1976-10-28
FR2269461B2 (en) 1982-06-25
BE828634R (en) 1975-10-30
LU72378A1 (en) 1976-08-19
IE42745B1 (en) 1980-10-08
FR2269461A2 (en) 1975-11-28

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