CA775043A - Sheet having an outer layer that becomes perforate upon heating, suitable as an intermediate in copying processes; and a method of using it - Google Patents

Sheet having an outer layer that becomes perforate upon heating, suitable as an intermediate in copying processes; and a method of using it

Info

Publication number
CA775043A
CA775043A CA775043A CA775043DA CA775043A CA 775043 A CA775043 A CA 775043A CA 775043 A CA775043 A CA 775043A CA 775043D A CA775043D A CA 775043DA CA 775043 A CA775043 A CA 775043A
Authority
CA
Canada
Prior art keywords
sheet
heating
outer layer
copying processes
perforate
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
CA775043A
Inventor
W. R. Puerckhauer Gerhard
G. Wartman Thomas
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA775043A publication Critical patent/CA775043A/en
Expired legal-status Critical Current

Links

CA775043A Sheet having an outer layer that becomes perforate upon heating, suitable as an intermediate in copying processes; and a method of using it Expired CA775043A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA775043T

Publications (1)

Publication Number Publication Date
CA775043A true CA775043A (en) 1968-01-02

Family

ID=36222332

Family Applications (1)

Application Number Title Priority Date Filing Date
CA775043A Expired CA775043A (en) Sheet having an outer layer that becomes perforate upon heating, suitable as an intermediate in copying processes; and a method of using it

Country Status (1)

Country Link
CA (1) CA775043A (en)

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