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CA990642A - Perforating blade and method of making perforating blade - Google Patents

Perforating blade and method of making perforating blade

Info

Publication number
CA990642A
CA990642A CA185,766A CA185766A CA990642A CA 990642 A CA990642 A CA 990642A CA 185766 A CA185766 A CA 185766A CA 990642 A CA990642 A CA 990642A
Authority
CA
Canada
Prior art keywords
perforating blade
making
blade
perforating
making 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
CA185,766A
Other versions
CA185766S (en
Inventor
Christopher F. Masters
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
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA990642A publication Critical patent/CA990642A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
    • B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
    • B26F1/18—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material
    • B26F1/20—Perforating by slitting, i.e. forming cuts closed at their ends without removal of material with tools carried by a rotating drum or similar support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/28—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools
    • B23P15/40—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass cutting tools shearing tools

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Metal Rolling (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
CA185,766A 1972-12-22 1973-11-14 Perforating blade and method of making perforating blade Expired CA990642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31783872A 1972-12-22 1972-12-22

Publications (1)

Publication Number Publication Date
CA990642A true CA990642A (en) 1976-06-08

Family

ID=23235483

Family Applications (1)

Application Number Title Priority Date Filing Date
CA185,766A Expired CA990642A (en) 1972-12-22 1973-11-14 Perforating blade and method of making perforating blade

Country Status (3)

Country Link
CA (1) CA990642A (en)
DE (1) DE2363990A1 (en)
GB (1) GB1428007A (en)

Also Published As

Publication number Publication date
GB1428007A (en) 1976-03-17
DE2363990A1 (en) 1974-07-11

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