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CA650267A - Method of controlling heat sealing of thermoplastic materials by printing - Google Patents

Method of controlling heat sealing of thermoplastic materials by printing

Info

Publication number
CA650267A
CA650267A CA650267A CA650267DA CA650267A CA 650267 A CA650267 A CA 650267A CA 650267 A CA650267 A CA 650267A CA 650267D A CA650267D A CA 650267DA CA 650267 A CA650267 A CA 650267A
Authority
CA
Canada
Prior art keywords
printing
heat sealing
thermoplastic materials
controlling heat
controlling
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
CA650267A
Inventor
J. Tomson Richard
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.)
DuPont Canada Inc
Original Assignee
DuPont Canada Inc
Publication date
Application granted granted Critical
Publication of CA650267A publication Critical patent/CA650267A/en
Expired legal-status Critical Current

Links

CA650267A Method of controlling heat sealing of thermoplastic materials by printing Expired CA650267A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA650267T

Publications (1)

Publication Number Publication Date
CA650267A true CA650267A (en) 1962-10-09

Family

ID=35938911

Family Applications (1)

Application Number Title Priority Date Filing Date
CA650267A Expired CA650267A (en) Method of controlling heat sealing of thermoplastic materials by printing

Country Status (1)

Country Link
CA (1) CA650267A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343463A (en) * 1963-02-15 1967-09-26 Ingenior Et Elwis Fa Method of forming a cross bottom at the end of a flat tubular blank of heat sealable material and bag having a cross bottom so made
US3525194A (en) * 1967-10-11 1970-08-25 Int Paper Co Method for producing readily openable plastic coated containers
US3599538A (en) * 1969-05-07 1971-08-17 Continental Can Co Three dimensional bag forming method and apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3343463A (en) * 1963-02-15 1967-09-26 Ingenior Et Elwis Fa Method of forming a cross bottom at the end of a flat tubular blank of heat sealable material and bag having a cross bottom so made
US3525194A (en) * 1967-10-11 1970-08-25 Int Paper Co Method for producing readily openable plastic coated containers
US3599538A (en) * 1969-05-07 1971-08-17 Continental Can Co Three dimensional bag forming method and apparatus

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