CA422163A - Sheet material perforating apparatus - Google Patents

Sheet material perforating apparatus

Info

Publication number
CA422163A
CA422163A CA422163A CA422163DA CA422163A CA 422163 A CA422163 A CA 422163A CA 422163 A CA422163 A CA 422163A CA 422163D A CA422163D A CA 422163DA CA 422163 A CA422163 A CA 422163A
Authority
CA
Canada
Prior art keywords
sheet material
perforating apparatus
material perforating
sheet
perforating
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
CA422163A
Other languages
French (fr)
Inventor
E. Neumann Arthur
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.)
IRVEN H WILSEY
Original Assignee
IRVEN H WILSEY
Publication date
Application granted granted Critical
Publication of CA422163A publication Critical patent/CA422163A/en
Expired legal-status Critical Current

Links

CA422163A Sheet material perforating apparatus Expired CA422163A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA422163T

Publications (1)

Publication Number Publication Date
CA422163A true CA422163A (en) 1944-08-15

Family

ID=35533152

Family Applications (1)

Application Number Title Priority Date Filing Date
CA422163A Expired CA422163A (en) Sheet material perforating apparatus

Country Status (1)

Country Link
CA (1) CA422163A (en)

Similar Documents

Publication Publication Date Title
CA422163A (en) Sheet material perforating apparatus
CA423889A (en) Sheet material perforating apparatus
CA423890A (en) Sheet material perforating apparatus
CA421752A (en) Sheet material punching apparatus
CA421753A (en) Sheet material punching apparatus
CA411062A (en) Sheet material perforating apparatus
CA404600A (en) Sheet material stripping apparatus
CA424643A (en) Perforating apparatus
CA419424A (en) Sheet wrapping material making apparatus
CA421236A (en) Sheet material
CA422217A (en) Stencil sheet
CA416603A (en) Sheet material producing apparatus
CA424321A (en) Inorganic sheet material
CA421288A (en) Sheet handling apparatus
CA423624A (en) Sheet slitting machine
CA420148A (en) Sheet material production
CA423060A (en) Sheet material production
CA423061A (en) Sheet material production
CA422872A (en) Perforating apparatus clamping mechanism
CA422758A (en) Sheet material surfacing process and apparatus
CA421595A (en) Sheet material manufacture
CA424275A (en) Material reducing or crushing apparatus
CA428227A (en) Bonded sheet material forming apparatus
CA422236A (en) Abrasive sheet material
CA422237A (en) Abrasive sheet material