GB154255A - Improvements in and connected with paper punches - Google Patents

Improvements in and connected with paper punches

Info

Publication number
GB154255A
GB154255A GB1595819A GB1595819A GB154255A GB 154255 A GB154255 A GB 154255A GB 1595819 A GB1595819 A GB 1595819A GB 1595819 A GB1595819 A GB 1595819A GB 154255 A GB154255 A GB 154255A
Authority
GB
United Kingdom
Prior art keywords
punching
slit
file
class
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
GB1595819A
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
Priority to GB1595819A priority Critical patent/GB154255A/en
Publication of GB154255A publication Critical patent/GB154255A/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)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

154,255. Liddell, L. April 20, 1920. Punching and perforating appliances.-Relates to punches for perforating the edges of paper sheets for filing, of the kind in which the punchedout hole receiving the file staple is connected by a slit to the edge of the paper, so that each sheet can be removed from the file and replaced by means of the slit. A pair of dies D for punching-out the holes work in brackets C and are operated by a spring-returned handle F. The cutter D', Figs. 5 and 6, for forming the slit is fixed to the punching-out die D, and is bevelled on one face only. Reference has been directed by the Comptroller to Specifications 3665/88, [Class 17, Boots &c.], and 13605/90, [Class 146, Writing instruments &c.].
GB1595819A 1920-04-20 1920-04-20 Improvements in and connected with paper punches Expired GB154255A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1595819A GB154255A (en) 1920-04-20 1920-04-20 Improvements in and connected with paper punches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1595819A GB154255A (en) 1920-04-20 1920-04-20 Improvements in and connected with paper punches

Publications (1)

Publication Number Publication Date
GB154255A true GB154255A (en) 1920-12-02

Family

ID=10068616

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1595819A Expired GB154255A (en) 1920-04-20 1920-04-20 Improvements in and connected with paper punches

Country Status (1)

Country Link
GB (1) GB154255A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709767A1 (en) * 1987-03-25 1988-10-13 Leitz Louis LETTER HOLE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3709767A1 (en) * 1987-03-25 1988-10-13 Leitz Louis LETTER HOLE

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