ES2026858T3 - PROCEDURE AND DEVICE FOR THE RETRACTION OF A WRAPPING SHEET. - Google Patents

PROCEDURE AND DEVICE FOR THE RETRACTION OF A WRAPPING SHEET.

Info

Publication number
ES2026858T3
ES2026858T3 ES198787104515T ES87104515T ES2026858T3 ES 2026858 T3 ES2026858 T3 ES 2026858T3 ES 198787104515 T ES198787104515 T ES 198787104515T ES 87104515 T ES87104515 T ES 87104515T ES 2026858 T3 ES2026858 T3 ES 2026858T3
Authority
ES
Spain
Prior art keywords
hood
plastic
plastic hood
heat
load
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.)
Expired - Lifetime
Application number
ES198787104515T
Other languages
Spanish (es)
Inventor
Knut Grefrath
Willi Wanders
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.)
VFI GESELLSCHAFT fur VERPACKUNGSTECHNIK MBH
Original Assignee
VFI GESELLSCHAFT fur VERPACKUNGSTECHNIK MBH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8196873&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2026858(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by VFI GESELLSCHAFT fur VERPACKUNGSTECHNIK MBH filed Critical VFI GESELLSCHAFT fur VERPACKUNGSTECHNIK MBH
Application granted granted Critical
Publication of ES2026858T3 publication Critical patent/ES2026858T3/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • B65B53/00—Shrinking wrappers, containers, or container covers during or after packaging
    • B65B53/02—Shrinking wrappers, containers, or container covers during or after packaging by heat
    • B65B53/06—Shrinking wrappers, containers, or container covers during or after packaging by heat supplied by gases, e.g. hot-air jets
    • B65B53/066—Mobile frames, hoods, posts or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)
  • Non-Metallic Protective Coatings For Printed Circuits (AREA)
  • Laminated Bodies (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

The invention relates to a method and to an apparatus for shrinking a plastic hood around a palletised load (2). Free shrinkage of the plastic hood (8), which is converted into a hot plastic state by the application of heat, would lead either to adhesive bonding with the packaging material, or cause damage to the plastic hood as it is blown on by being placed against edges of the load on the one hand or a heat source (1) on the other hand. To eliminate this risk, the invention provides a locally limited suction of the plastic hood (8) in the region upstream and downstream of a local heat-application zone (10), so that the plastic hood assumes a corrugated form which passes over the entire plastic hood (8) with the heat-application zone (10) and the lift-off regions (7-28), so that said hood finally shrinks uniformly during cooling without adhesive bonding with the load (2). <IMAGE>
ES198787104515T 1987-03-26 1987-03-26 PROCEDURE AND DEVICE FOR THE RETRACTION OF A WRAPPING SHEET. Expired - Lifetime ES2026858T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP87104515A EP0283541B1 (en) 1987-03-26 1987-03-26 Method and apparatus for shrinking a plastic hood around a palletized load

Publications (1)

Publication Number Publication Date
ES2026858T3 true ES2026858T3 (en) 1992-05-16

Family

ID=8196873

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198787104515T Expired - Lifetime ES2026858T3 (en) 1987-03-26 1987-03-26 PROCEDURE AND DEVICE FOR THE RETRACTION OF A WRAPPING SHEET.

Country Status (4)

Country Link
EP (1) EP0283541B1 (en)
AT (1) ATE67727T1 (en)
DE (1) DE3773371D1 (en)
ES (1) ES2026858T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423513C1 (en) * 1993-10-26 1996-02-01 Moellers Maschf Gmbh Device for shrinking a shrink film hood
DE4342490C2 (en) * 1993-12-13 1996-09-26 Lachenmeier Kurt Aps Method and device for shrinking a film hood made of heat-shrinkable material, which is pulled over a load on a pallet
FR2719019B1 (en) * 1994-04-22 1996-05-31 Newtec Int Method for packaging a load using a heat-shrinkable sheath and packaging machine using such a method.
DE59811838D1 (en) 1998-11-05 2004-09-23 Lachenmeier Kurt Aps Method and device for attaching and shrinking a packaging hood onto an object
WO2000044626A1 (en) 1999-01-28 2000-08-03 MSK-Verpackungs-Systeme Gesellschaft mit beschränkter Haftung Device for shrinking a shrink-wrap film
CN105253384A (en) * 2015-11-11 2016-01-20 中银（宁波）电池有限公司 Thermal contraction device for plastic packages of batteries
CN110834771A (en) * 2019-11-22 2020-02-25 安徽永锋智能包装科技有限公司 Bottom-closing method for transparent packaging bag of refrigerator

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE20015T1 (en) * 1982-12-30 1986-06-15 Msk Verpackung Syst Gmbh METHOD AND DEVICE FOR SHRINKING A SHRINK HOOD DRAFTED OVER A PARTICULARLY PALLETIZED STACK OF GOODS.
DE3521416A1 (en) * 1985-06-14 1986-12-18 MSK - Verpackungs-Systeme GmbH, 4190 Kleve METHOD FOR PACKING A PACK OF GOODS ARRANGED ON A PALLET, AND DEVICE FOR IMPLEMENTING THE METHOD

Also Published As

Publication number Publication date
EP0283541B1 (en) 1991-09-25
ATE67727T1 (en) 1991-10-15
EP0283541A1 (en) 1988-09-28
DE3773371D1 (en) 1991-10-31

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