CA984113A - Perforation of thermoplastic films - Google Patents

Perforation of thermoplastic films

Info

Publication number
CA984113A
CA984113A CA112,497A CA112497A CA984113A CA 984113 A CA984113 A CA 984113A CA 112497 A CA112497 A CA 112497A CA 984113 A CA984113 A CA 984113A
Authority
CA
Canada
Prior art keywords
perforation
thermoplastic films
thermoplastic
films
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
CA112,497A
Other versions
CA112497S (en
Inventor
Peter R. Billinghurst
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.)
Imperial Chemical Industries Ltd
Original Assignee
Imperial Chemical Industries 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 Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd
Application granted granted Critical
Publication of CA984113A publication Critical patent/CA984113A/en
Expired legal-status Critical Current

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)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
  • Wrappers (AREA)
CA112,497A 1970-05-08 1971-05-07 Perforation of thermoplastic films Expired CA984113A (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
CA984113A true CA984113A (en) 1976-02-24

Family

ID=26239410

Family Applications (1)

Application Number Title Priority Date Filing Date
CA112,497A Expired CA984113A (en) 1970-05-08 1971-05-07 Perforation of thermoplastic films

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)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492705A (en) 1992-04-27 1996-02-20 Dowbrands L.P. Vegetable containing storage bag and method for storing same

Families Citing this family (2)

* 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
AU3300900A (en) 2000-03-20 2001-10-03 Newmat, S.A. Flexible sheet fabrics for tensile structures, method for making same, tensile false ceilings comprising same

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE530646A (en) *
US354842A (en) * 1886-12-21 sandford
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5492705A (en) 1992-04-27 1996-02-20 Dowbrands L.P. Vegetable containing storage bag and method for storing same

Also Published As

Publication number Publication date
JPS552173B1 (en) 1980-01-18
FR2088433B1 (en) 1975-01-17
NL7106284A (en) 1971-11-10
CH531924A (en) 1972-12-31
FR2088433A1 (en) 1972-01-07
DE2122772C3 (en) 1982-08-26
BE766975A (en) 1971-11-10
AR199871A1 (en) 1974-10-08
DE2122772B2 (en) 1980-03-20
NL159319B (en) 1979-02-15
ES390983A1 (en) 1974-03-16
DE2122772A1 (en) 1971-11-25

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