GB927784A - A punching die element for use in the punching of rectangular holes in punching cards, and a punching die made from such elements - Google Patents

A punching die element for use in the punching of rectangular holes in punching cards, and a punching die made from such elements

Info

Publication number
GB927784A
GB927784A GB8974/62A GB897462A GB927784A GB 927784 A GB927784 A GB 927784A GB 8974/62 A GB8974/62 A GB 8974/62A GB 897462 A GB897462 A GB 897462A GB 927784 A GB927784 A GB 927784A
Authority
GB
United Kingdom
Prior art keywords
bars
punching
grooves
holes
faces
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
GB8974/62A
Other languages
English (en)
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.)
Villy Frank SA Rensen
Original Assignee
Villy Frank SA Rensen
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 Villy Frank SA Rensen filed Critical Villy Frank SA Rensen
Publication of GB927784A publication Critical patent/GB927784A/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
    • B26F1/02—Perforating by punching, e.g. with relatively-reciprocating punch and bed
    • B26F1/14—Punching tools; Punching dies
    • 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
    • B21D28/34—Perforating tools; Die holders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/9437—Shear-type female tool
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/929—Tool or tool with support
    • Y10T83/9411—Cutting couple type
    • Y10T83/9423—Punching tool
    • Y10T83/944—Multiple punchings
GB8974/62A 1961-03-13 1962-03-08 A punching die element for use in the punching of rectangular holes in punching cards, and a punching die made from such elements Expired GB927784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK106361AA DK94913C (da) 1961-03-13 1961-03-13 Matriceemne til brug ved gennemhulning af hulkort med rektangulære huller.

Publications (1)

Publication Number Publication Date
GB927784A true GB927784A (en) 1963-06-06

Family

ID=8100571

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8974/62A Expired GB927784A (en) 1961-03-13 1962-03-08 A punching die element for use in the punching of rectangular holes in punching cards, and a punching die made from such elements

Country Status (7)

Country Link
US (1) US3183757A (xx)
BE (1) BE614973A (xx)
CH (1) CH402478A (xx)
DE (1) DE1235637B (xx)
DK (1) DK94913C (xx)
GB (1) GB927784A (xx)
NL (1) NL275866A (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3334809A (en) * 1964-07-13 1967-08-08 Vyzk Ustav Matemat Stroju High-speed operated apparatus for punching recording tape
US3392617A (en) * 1966-03-02 1968-07-16 Henn Harry Walther Punch assembly for perforating materials
CN103436642A (zh) * 2013-01-07 2013-12-11 张琴中 一种针板
CN104786275B (zh) * 2015-04-27 2017-07-18 惠州美锐电子科技有限公司 一种pcb冲压底模

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US422039A (en) * 1890-02-25 Cutter for cracker-machines
US1835424A (en) * 1930-06-07 1931-12-08 Tabulating Machine Co Punch die
US2165008A (en) * 1933-01-14 1939-07-04 Rosenberg Heyman Die
DE854116C (de) * 1949-10-25 1952-10-30 Hermann Kaiser Locheinrichtung
US3100411A (en) * 1959-04-22 1963-08-13 Carrick Prec Tools Ltd Press tools
US2913049A (en) * 1959-05-25 1959-11-17 Vip Inc Card punching device

Also Published As

Publication number Publication date
DE1235637B (de) 1967-03-02
CH402478A (de) 1965-11-15
US3183757A (en) 1965-05-18
BE614973A (fr) 1962-07-02
NL275866A (xx) 1900-01-01
DK94913C (da) 1962-12-03

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