FR517027A - Improvements to devices used to perforate paper - Google Patents

Improvements to devices used to perforate paper

Info

Publication number
FR517027A
FR517027A FR517027A FR517027DA FR517027A FR 517027 A FR517027 A FR 517027A FR 517027 A FR517027 A FR 517027A FR 517027D A FR517027D A FR 517027DA FR 517027 A FR517027 A FR 517027A
Authority
FR
France
Prior art keywords
devices used
perforate paper
perforate
paper
devices
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
FR517027A
Other languages
French (fr)
Inventor
Lennox Liddell
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 FR517027A publication Critical patent/FR517027A/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
    • B26F1/32—Hand-held perforating or punching apparatus, e.g. awls
    • B26F1/36—Punching or perforating pliers

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR517027A 1920-06-11 1920-06-11 Improvements to devices used to perforate paper Expired FR517027A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR517027T 1920-06-11

Publications (1)

Publication Number Publication Date
FR517027A true FR517027A (en) 1921-04-29

Family

ID=8915609

Family Applications (1)

Application Number Title Priority Date Filing Date
FR517027A Expired FR517027A (en) 1920-06-11 1920-06-11 Improvements to devices used to perforate paper

Country Status (1)

Country Link
FR (1) FR517027A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196728A (en) * 1963-02-19 1965-07-27 Greer B Snow Method and apparatus for punching and slitting
EP0035149A1 (en) * 1980-02-16 1981-09-09 Werner W. Haase Assembly of sheets joined together by a fastening element
DE3704670A1 (en) * 1987-02-14 1988-08-25 Leitz Louis LETTER HOLE
US5974929A (en) * 1994-12-09 1999-11-02 D.G.D Haifa Ltd. Combined letter opener and letter punch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3196728A (en) * 1963-02-19 1965-07-27 Greer B Snow Method and apparatus for punching and slitting
EP0035149A1 (en) * 1980-02-16 1981-09-09 Werner W. Haase Assembly of sheets joined together by a fastening element
DE3704670A1 (en) * 1987-02-14 1988-08-25 Leitz Louis LETTER HOLE
US5974929A (en) * 1994-12-09 1999-11-02 D.G.D Haifa Ltd. Combined letter opener and letter punch

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