CA984113A - Perforation of thermoplastic films - Google Patents

Perforation of thermoplastic films

Info

Publication number: CA984113A
Authority: CA; Canada
Prior art keywords: perforation; thermoplastic films; thermoplastic; films
Prior art date: 1970-05-08
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 languages

English (en)

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.)

1970-05-08

Filing date

1971-05-07

Publication date

1976-02-24

1971-05-07 Application filed by Imperial Chemical Industries Ltd filed Critical Imperial Chemical Industries Ltd

1976-02-24 Application granted granted Critical

1976-02-24 Publication of CA984113A publication Critical patent/CA984113A/en

Status 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 (fr)
AR (1)	AR199871A1 (fr)
BE (1)	BE766975A (fr)
CA (1)	CA984113A (fr)
CH (1)	CH531924A (fr)
DE (1)	DE2122772C3 (fr)
ES (1)	ES390983A1 (fr)
FR (1)	FR2088433A1 (fr)
NL (1)	NL159319B (fr)

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 (3)

* 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
FR2785867B1 (fr) *	1998-11-17	2001-02-16	Eastman Kodak Co	Dispositif pour perforer un film
DE60017725T3 (de)	2000-03-20	2009-08-13	Newmat S.A.	Flexible Polymerfolie für aufgespannte Strukturen, Verfahren zu deren Herstellung und Unterdecke mit dieser Folie

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 (fr) *
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 (de) *	1968-05-25	1969-12-04	Denki Onkyo Co Ltd	Verfahren zum Herstellen veredelter Polymere aus Vinylverbindungen
US3662935A (en) *	1968-11-18	1972-05-16	Polymer Processing Res Inst	Apparatus for fibrillating uniaxially oriented film

1971
- 1971-05-07 AR AR23542171A patent/AR199871A1/es active
- 1971-05-07 CH CH679771A patent/CH531924A/fr not_active IP Right Cessation
- 1971-05-07 DE DE19712122772 patent/DE2122772C3/de not_active Expired
- 1971-05-07 NL NL7106284A patent/NL159319B/xx not_active IP Right Cessation
- 1971-05-07 CA CA112,497A patent/CA984113A/en not_active Expired
- 1971-05-07 FR FR7116529A patent/FR2088433A1/fr active Granted
- 1971-05-08 JP JP3079371A patent/JPS552173B1/ja active Pending
- 1971-05-08 ES ES390983A patent/ES390983A1/es not_active Expired
- 1971-05-10 BE BE766975A patent/BE766975A/fr unknown

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

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