CA451587A - Sheet material perforating apparatus - Google Patents

Sheet material perforating apparatus

Info

Publication number
CA451587A
CA451587A CA451587A CA451587DA CA451587A CA 451587 A CA451587 A CA 451587A CA 451587 A CA451587 A CA 451587A CA 451587D A CA451587D A CA 451587DA CA 451587 A CA451587 A CA 451587A
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
CA451587A
Other languages
French (fr)
Inventor
F. Wales George
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 CA451587A publication Critical patent/CA451587A/en
Expired legal-status Critical Current

Links

CA451587A Sheet material perforating apparatus Expired CA451587A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA451587T

Publications (1)

Publication Number Publication Date
CA451587A true CA451587A (en) 1948-10-05

Family

ID=35569313

Family Applications (1)

Application Number Title Priority Date Filing Date
CA451587A Expired CA451587A (en) Sheet material perforating apparatus

Country Status (1)

Country Link
CA (1) CA451587A (en)

Similar Documents

Publication Publication Date Title
CA451587A (en) Sheet material perforating apparatus
CA447107A (en) Apparatus for feeding material
CA446539A (en) Sheet making apparatus
CA446540A (en) Sheet making apparatus
CA449645A (en) Sheet feeding apparatus
CA449646A (en) Sheet feeding apparatus
CA437867A (en) Sheet material perforating apparatus
CA451586A (en) Sheet metal perforating apparatus
CA449233A (en) Sheet material
CA449502A (en) Apparatus for free blowing thermoplastic sheet material
CA435794A (en) Sheet material punching apparatus
CA467831A (en) Apparatus for perforating sheet material
CA457535A (en) Sheet handling apparatus
CA458531A (en) Apparatus for classifying sheet material
CA452812A (en) Dielectric sheet material
CA448354A (en) Imprinting apparatus
CA455423A (en) Sheet material
CA447410A (en) Sheet assembling apparatus
CA461904A (en) Heat-sealable sheet material
CA437136A (en) Sheet material making apparatus
CA437137A (en) Sheet material making apparatus
CA452595A (en) Method and apparatus for making sheet or web material
CA432647A (en) Plastic material sheet forming apparatus
CA452668A (en) Louvered sheet material
CA450251A (en) Material handling apparatus