DE69004509D1 - Device for cutting and feeding lengths of thin film. - Google Patents

Device for cutting and feeding lengths of thin film.

Info

Publication number
DE69004509D1
DE69004509D1 DE90112317T DE69004509T DE69004509D1 DE 69004509 D1 DE69004509 D1 DE 69004509D1 DE 90112317 T DE90112317 T DE 90112317T DE 69004509 T DE69004509 T DE 69004509T DE 69004509 D1 DE69004509 D1 DE 69004509D1
Authority
DE
Germany
Prior art keywords
thin web
rotary blade
blade means
cutting
caused
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
DE90112317T
Other languages
German (de)
Inventor
Rodolfo Bettini
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.)
Dimac SpA
Original Assignee
Dimac SpA
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 Dimac SpA filed Critical Dimac SpA
Application granted granted Critical
Publication of DE69004509D1 publication Critical patent/DE69004509D1/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
    • B65B61/00—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages
    • B65B61/04—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages
    • B65B61/06—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting
    • B65B61/08—Auxiliary devices, not otherwise provided for, for operating on sheets, blanks, webs, binding material, containers or packages for severing webs, or for separating joined packages by cutting using rotary cutters

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Containers And Plastic Fillers For Packaging (AREA)
  • Basic Packing Technique (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Replacement Of Web Rolls (AREA)
  • Advancing Webs (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

An apparatus is disclosed for feeding lengths of a thin web (F) which is provided particularly in a machine for packaging articles into a heat-contractible thin web, and in which the cutting of the thin web (F) is made by the blade (260) of a rotary blade means (60) carried by the means (58, 59, 70, 69, 68) for lifting and lowering the rotary blade means, preferably by a swingable system. The rotary blade means (60) is continuously driven in rotation, and the same is cyclically lowered and caused to cooperate by its blade (260) with a stationary counterblade (34), whereby a cut is made in the thin web (F) lying therebetween, and the said rotary blade means is then lifted and kept in its uplifted position, until a required length of the thin web (F) has been caused to pass thereunder. The length of the thin web (F) is adjustable by changing the speed at which the thin web is caused to slide through the cutting unit, and/or by changing the frequency at which the rotary blade means (60) is lifted and lowered.
DE90112317T 1989-07-21 1990-06-28 Device for cutting and feeding lengths of thin film. Expired - Lifetime DE69004509D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8912555A IT1232658B (en) 1989-07-21 1989-07-21 APPARATUS FOR CUTTING AND FEEDING OF FILM SECTIONS, PARTICULARLY IN THE MACHINES USED FOR THE PACKAGING OF PRODUCTS WITH HEAT-SHRINK FILM

Publications (1)

Publication Number Publication Date
DE69004509D1 true DE69004509D1 (en) 1993-12-16

Family

ID=11141550

Family Applications (1)

Application Number Title Priority Date Filing Date
DE90112317T Expired - Lifetime DE69004509D1 (en) 1989-07-21 1990-06-28 Device for cutting and feeding lengths of thin film.

Country Status (5)

Country Link
EP (1) EP0408942B1 (en)
AT (1) ATE97078T1 (en)
DE (1) DE69004509D1 (en)
ES (1) ES2045660T3 (en)
IT (1) IT1232658B (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1075037B (en) * 1956-07-11 1960-02-04 SASIB - SpA Scipione Innocenti Bologna (Italien) Cutting device for separating pieces of certain length from a moving paper web or the like
FR1469856A (en) * 1966-02-23 1967-02-17 G D Sas Di Enzo Seragnoli Ed A Device for feeding sheets of flexible material to a wrapping machine

Also Published As

Publication number Publication date
EP0408942A1 (en) 1991-01-23
ATE97078T1 (en) 1993-11-15
ES2045660T3 (en) 1994-01-16
EP0408942B1 (en) 1993-11-10
IT8912555A0 (en) 1989-07-21
IT1232658B (en) 1992-02-28

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Legal Events

Date Code Title Description
8332 No legal effect for de