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GB1235372A - Apparatus for perforating sheet material and process for making such apparatus - Google Patents

Apparatus for perforating sheet material and process for making such apparatus

Info

Publication number
GB1235372A
GB1235372A GB1357368A GB1357368A GB1235372A GB 1235372 A GB1235372 A GB 1235372A GB 1357368 A GB1357368 A GB 1357368A GB 1357368 A GB1357368 A GB 1357368A GB 1235372 A GB1235372 A GB 1235372A
Authority
GB
United Kingdom
Prior art keywords
pin
roller
hole
pins
thin
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
GB1357368A
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.)
KBA Notasys SA
Original Assignee
De la Rue Giori SA
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 De la Rue Giori SA filed Critical De la Rue Giori SA
Priority to GB1357368A priority Critical patent/GB1235372A/en
Publication of GB1235372A publication Critical patent/GB1235372A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/36—Perforating, i.e. punching holes using rotatable work or tool holders
    • 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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Electroplating Methods And Accessories (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

1,235,372. Perforating apparatus. U. J. PRIOR. 20 May, 1968, No. 13573/68. Heading B4B. [Also in Division B3] In apparatus for perforating thin sheets of material, e.g. sheets of postage stamps comprising rotating pin and pin-hole rollers 2, 1, the pin-hole roller 1 having openings 9, 12 communicating with an apertured cavity 10 for removing scrap, and the diameter of the openings 9 being greater than that of the pins P, at least part of the surface of the pin-hole roller is covered by an element which is perforated by the pins upon initial operation of the apparatus. In one example, the cover element is a thin sheet 8 of metal covering a sector of the surface 60 of the pin-hole roller. The thickness of the metal sheet is from 0À08 to 0À1 mm. In another example, the element is a thin galvanic coating overlying the surface of the pin-hole roller entirely. The coating has a minimum thickness of 0À05 mm. and may consist of nickel or copper and be electrodeposited. To enable pins to be replaced when broken or worn, the pin roller 2 comprises perforated halves 20, 30 bolted together and two tightening rings 35.
GB1357368A 1968-05-20 1968-05-20 Apparatus for perforating sheet material and process for making such apparatus Expired GB1235372A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1357368A GB1235372A (en) 1968-05-20 1968-05-20 Apparatus for perforating sheet material and process for making such apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1357368A GB1235372A (en) 1968-05-20 1968-05-20 Apparatus for perforating sheet material and process for making such apparatus

Publications (1)

Publication Number Publication Date
GB1235372A true GB1235372A (en) 1971-06-16

Family

ID=10025405

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1357368A Expired GB1235372A (en) 1968-05-20 1968-05-20 Apparatus for perforating sheet material and process for making such apparatus

Country Status (1)

Country Link
GB (1) GB1235372A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656900A (en) * 1985-11-15 1987-04-14 Mobil Oil Corporation Rotary tube punching arrangement and method for punching holes into a moving web material
US5555786A (en) * 1993-01-22 1996-09-17 Magnaflex Systems Limited Rotary press cutters
US6032565A (en) 1994-05-17 2000-03-07 Best Cutting Die Company Multi-use rotary die plate system
US6076444A (en) 1997-08-01 2000-06-20 Best Cutting Die Company Panel cutting apparatus with selectable matrices for vacuum and air
US6532854B2 (en) 1994-01-21 2003-03-18 Best Cutting Die Company Cutting die clamping mechanism

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4656900A (en) * 1985-11-15 1987-04-14 Mobil Oil Corporation Rotary tube punching arrangement and method for punching holes into a moving web material
US5555786A (en) * 1993-01-22 1996-09-17 Magnaflex Systems Limited Rotary press cutters
US6532854B2 (en) 1994-01-21 2003-03-18 Best Cutting Die Company Cutting die clamping mechanism
US6032565A (en) 1994-05-17 2000-03-07 Best Cutting Die Company Multi-use rotary die plate system
US6076444A (en) 1997-08-01 2000-06-20 Best Cutting Die Company Panel cutting apparatus with selectable matrices for vacuum and air

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