GB1204013A - An apparatus for heat shrinking a plastics film wrapped about an object - Google Patents

An apparatus for heat shrinking a plastics film wrapped about an object

Info

Publication number
GB1204013A
GB1204013A GB4219668A GB4219668A GB1204013A GB 1204013 A GB1204013 A GB 1204013A GB 4219668 A GB4219668 A GB 4219668A GB 4219668 A GB4219668 A GB 4219668A GB 1204013 A GB1204013 A GB 1204013A
Authority
GB
United Kingdom
Prior art keywords
belt
heat
tunnel
wrapped
edges
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
Application number
GB4219668A
Inventor
William Justin Burke
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.)
Roll-O-Sheets Inc
Original Assignee
Roll-O-Sheets Inc
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 Roll-O-Sheets Inc filed Critical Roll-O-Sheets Inc
Priority to GB4219668A priority Critical patent/GB1204013A/en
Publication of GB1204013A publication Critical patent/GB1204013A/en
Expired 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
    • B65B53/063—Tunnels

Abstract

1,204,013. Heat shrinking apparatus. ROLL O SHEETS Inc. 5 Sept., 1968 [5 Sept., 1968], No. 42196/68. Headings B8A and B8C. Apparatus for heat-shrinking a plastics film wrapped about an object consists of an endless conveyer having a belt 40 made of metal (e.g. stainless steel), and a heat tunnel 30 positioned over an intermediate portion of the belt top, the tunnel being provided with a hot-air blower 60. During operation, the film-wrapped object is manually placed on a loading station 46 with overlapping edges of the film facing the belt which edges are tacked together by the heat transmitted from a heat-platen 52 underneath the station 46, through the conductive metalbelt. The wrapped object then enters the tunnel where the hot air from the blower 60 shrinks the wrapper round the object, after which the wrapped object leaves the tunnel, and is discharged at station 50. The belt may be made of woven wire in which the longitudinal strand 62 (Figs. 16, 17, not shown) is crimped to increase the longitudinal elasticity of the belt. The belt is supported on a motor-driven roller 36 and a free-running roller 38 spring-biased against the belt to maintain belt tension. The belt tension is adjustable by a screw 99 (Figs. 12, 13, 15, not shown). The edges of the belt are also guided in guide rollers 72, 74 (Fig. 3, 10, 11 not shown). The machine is portable and is operable by an unskilled worker.
GB4219668A 1968-09-05 1968-09-05 An apparatus for heat shrinking a plastics film wrapped about an object Expired GB1204013A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4219668A GB1204013A (en) 1968-09-05 1968-09-05 An apparatus for heat shrinking a plastics film wrapped about an object

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4219668A GB1204013A (en) 1968-09-05 1968-09-05 An apparatus for heat shrinking a plastics film wrapped about an object

Publications (1)

Publication Number Publication Date
GB1204013A true GB1204013A (en) 1970-09-03

Family

ID=10423279

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4219668A Expired GB1204013A (en) 1968-09-05 1968-09-05 An apparatus for heat shrinking a plastics film wrapped about an object

Country Status (1)

Country Link
GB (1) GB1204013A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721804A (en) * 1970-12-16 1973-03-20 Tsi Inc Apparatus for sealing and shrinking plastic film
GB2164911A (en) * 1984-09-17 1986-04-03 Kureha Chemical Ind Co Ltd Apparatus for heat shrinking plastics film used for wrapping

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3721804A (en) * 1970-12-16 1973-03-20 Tsi Inc Apparatus for sealing and shrinking plastic film
GB2164911A (en) * 1984-09-17 1986-04-03 Kureha Chemical Ind Co Ltd Apparatus for heat shrinking plastics film used for wrapping
GB2164911B (en) * 1984-09-17 1989-06-01 Kureha Chemical Ind Co Ltd Apparatus for heat shrinking plastics film used for wrapping

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees