CA1025668A - Method of controlling the shape of thermoplastic sheets - Google Patents

Method of controlling the shape of thermoplastic sheets

Info

Publication number
CA1025668A
CA1025668A CA190,269A CA190269A CA1025668A CA 1025668 A CA1025668 A CA 1025668A CA 190269 A CA190269 A CA 190269A CA 1025668 A CA1025668 A CA 1025668A
Authority
CA
Canada
Prior art keywords
controlling
shape
thermoplastic sheets
thermoplastic
sheets
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
CA190,269A
Other languages
French (fr)
Other versions
CA190269S (en
Inventor
Joseph R. Petrella
John N. Shaw
Jacob R. Peternel
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.)
PPG Industries Inc
Original Assignee
PPG Industries Inc
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
Priority claimed from US00358760A external-priority patent/US3846105A/en
Application filed by PPG Industries Inc filed Critical PPG Industries Inc
Application granted granted Critical
Publication of CA1025668A publication Critical patent/CA1025668A/en
Expired legal-status Critical Current

Links

CA190,269A 1973-05-09 1974-01-16 Method of controlling the shape of thermoplastic sheets Expired CA1025668A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00358760A US3846105A (en) 1973-02-20 1973-05-09 Method of controlling the shape of thermoplastic,press bent sheets

Publications (1)

Publication Number Publication Date
CA1025668A true CA1025668A (en) 1978-02-07

Family

ID=23410925

Family Applications (1)

Application Number Title Priority Date Filing Date
CA190,269A Expired CA1025668A (en) 1973-05-09 1974-01-16 Method of controlling the shape of thermoplastic sheets

Country Status (1)

Country Link
CA (1) CA1025668A (en)

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