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CH531924A - Process for perforating a film of thermoplastic material and device for carrying out the process - Google Patents

Process for perforating a film of thermoplastic material and device for carrying out the process

Info

Publication number
CH531924A
CH531924A CH679771A CH679771A CH531924A CH 531924 A CH531924 A CH 531924A CH 679771 A CH679771 A CH 679771A CH 679771 A CH679771 A CH 679771A CH 531924 A CH531924 A CH 531924A
Authority
CH
Switzerland
Prior art keywords
perforating
film
carrying
thermoplastic material
thermoplastic
Prior art date
Application number
CH679771A
Other languages
French (fr)
Inventor
Ralph Billinghurst Peter
Original Assignee
Ici 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 Ici Ltd filed Critical Ici Ltd
Publication of CH531924A publication Critical patent/CH531924A/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/26—Perforating by non-mechanical means, e.g. by fluid jet
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/24—Perforating by needles or pins

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Wrappers (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
CH679771A 1970-05-08 1971-05-07 Process for perforating a film of thermoplastic material and device for carrying out the process CH531924A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB2238270 1970-05-08
GB484471 1971-02-17

Publications (1)

Publication Number Publication Date
CH531924A true CH531924A (en) 1972-12-31

Family

ID=26239410

Family Applications (1)

Application Number Title Priority Date Filing Date
CH679771A CH531924A (en) 1970-05-08 1971-05-07 Process for perforating a film of thermoplastic material and device for carrying out the process

Country Status (9)

Country Link
JP (1) JPS552173B1 (en)
AR (1) AR199871A1 (en)
BE (1) BE766975A (en)
CA (1) CA984113A (en)
CH (1) CH531924A (en)
DE (1) DE2122772C3 (en)
ES (1) ES390983A1 (en)
FR (1) FR2088433A1 (en)
NL (1) NL159319B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4095606A (en) * 1976-08-23 1978-06-20 T & F Industries, Inc. Method for carrying flexible goods such as tobacco
CA2130896C (en) 1992-04-27 2004-10-05 Jose Porchia Microperforated film and packaging bag made therefrom
FR2785867B1 (en) * 1998-11-17 2001-02-16 Eastman Kodak Co DEVICE FOR PERFORATING A FILM
ATE288001T1 (en) * 2000-03-20 2005-02-15 Newmat Sa FLEXIBLE POLYMER FILM FOR STRETCHED STRUCTURES, METHOD FOR THE PRODUCTION THEREOF AND SUBSTRATE CEILING WITH THIS FILM

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US354842A (en) * 1886-12-21 sandford
BE530646A (en) *
US3043071A (en) * 1960-02-29 1962-07-10 J B Dove & Sons Inc Packaging machine
US3214795A (en) * 1962-07-06 1965-11-02 Kendall & Co Perforating machine and method of perforating
US3285768A (en) * 1962-07-18 1966-11-15 Deering Milliken Res Corp Fabric coated with surface deformed foam
GB1078644A (en) * 1963-05-29 1967-08-09 Smith & Nephew Plastics Improvements in and relating to films of thermoplastic material
US3355974A (en) * 1965-08-23 1967-12-05 Du Pont Film-perforating apparatus
DE1923804A1 (en) * 1968-05-25 1969-12-04 Denki Onkyo Co Ltd Process for producing refined polymers from vinyl compounds
US3662935A (en) * 1968-11-18 1972-05-16 Polymer Processing Res Inst Apparatus for fibrillating uniaxially oriented film

Also Published As

Publication number Publication date
FR2088433B1 (en) 1975-01-17
JPS552173B1 (en) 1980-01-18
DE2122772B2 (en) 1980-03-20
DE2122772A1 (en) 1971-11-25
CA984113A (en) 1976-02-24
NL159319B (en) 1979-02-15
DE2122772C3 (en) 1982-08-26
BE766975A (en) 1971-11-10
NL7106284A (en) 1971-11-10
ES390983A1 (en) 1974-03-16
FR2088433A1 (en) 1972-01-07
AR199871A1 (en) 1974-10-08

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Legal Events

Date Code Title Description
PL Patent ceased