CA831336A - Punch assembly for perforating materials - Google Patents

Punch assembly for perforating materials

Info

Publication number
CA831336A
CA831336A CA831336A CA831336DA CA831336A CA 831336 A CA831336 A CA 831336A CA 831336 A CA831336 A CA 831336A CA 831336D A CA831336D A CA 831336DA CA 831336 A CA831336 A CA 831336A
Authority
CA
Canada
Prior art keywords
punch assembly
perforating materials
perforating
materials
punch
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
CA831336A
Inventor
W. Henn Harry
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA831336A publication Critical patent/CA831336A/en
Expired legal-status Critical Current

Links

CA831336A Punch assembly for perforating materials Expired CA831336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA831336T

Publications (1)

Publication Number Publication Date
CA831336A true CA831336A (en) 1970-01-06

Family

ID=36308799

Family Applications (1)

Application Number Title Priority Date Filing Date
CA831336A Expired CA831336A (en) Punch assembly for perforating materials

Country Status (1)

Country Link
CA (1) CA831336A (en)

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