GB442534A - Improvements in or relating to punching machines for perforating statistical record cards - Google Patents

Improvements in or relating to punching machines for perforating statistical record cards

Info

Publication number
GB442534A
GB442534A GB22990/34A GB2299034A GB442534A GB 442534 A GB442534 A GB 442534A GB 22990/34 A GB22990/34 A GB 22990/34A GB 2299034 A GB2299034 A GB 2299034A GB 442534 A GB442534 A GB 442534A
Authority
GB
United Kingdom
Prior art keywords
card
cards
punching
brushes
lever
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
GB22990/34A
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.)
British Tabulating Machine Co Ltd
Original Assignee
British Tabulating Machine Co Ltd
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 British Tabulating Machine Co Ltd filed Critical British Tabulating Machine Co Ltd
Publication of GB442534A publication Critical patent/GB442534A/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
    • B21D28/246—Selection of punches

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Catalysts (AREA)
  • Conveying Record Carriers (AREA)
GB22990/34A 1933-08-09 1934-08-08 Improvements in or relating to punching machines for perforating statistical record cards Expired GB442534A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US685373A US2032805A (en) 1933-08-09 1933-08-09 Perforating machine

Publications (1)

Publication Number Publication Date
GB442534A true GB442534A (en) 1936-02-10

Family

ID=32508409

Family Applications (1)

Application Number Title Priority Date Filing Date
GB22990/34A Expired GB442534A (en) 1933-08-09 1934-08-08 Improvements in or relating to punching machines for perforating statistical record cards

Country Status (5)

Country Link
US (2) US2032805A (en:Method)
DE (1) DE644593C (en:Method)
FR (1) FR796365A (en:Method)
GB (1) GB442534A (en:Method)
NL (2) NL50871C (en:Method)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711794A (en) * 1955-06-28 ghertman
US2623592A (en) * 1952-12-30 Card reproducing machine
DE747603C (de) * 1940-06-11 1944-11-18 Hollerith Maschinen Ges M B H Eintragungsmaschine fuer Registrierkarten
US2448781A (en) * 1942-03-14 1948-09-07 Ibm Record controlled machine
DE976542C (de) * 1942-03-14 1963-11-07 Ibm Deutschland Druckwerk fuer Kartenlochmaschinen
US2532331A (en) * 1946-01-05 1950-12-05 Rose Ernest Punching circuit
US2614632A (en) * 1948-07-27 1952-10-21 American Telephone & Telegraph Apparatus for recording numerals in code
NO84202A (en:Method) * 1948-10-08
US2647581A (en) * 1949-07-06 1953-08-04 Ibm Record card punching machine
US2684719A (en) * 1950-08-19 1954-07-27 Ibm Storage key punch
US2690222A (en) * 1950-08-19 1954-09-28 Ibm Mark sensing reproducer
NL166471B (nl) * 1951-08-09 Upjohn Co Werkwijze ter bereiding van een therapeutisch preparaat alsmede werkwijze ter bereiding van een daarvoor ge- schikt benzofenonderivaat.
NL166510B (nl) * 1951-08-10 France Etat Vangrail, welke in dwarsrichting kan glijden.
NL166511B (nl) * 1951-08-14 Vredestein Nv Waterafdicht-of waterkeersamenstel voor een voeg in een betonconstructie en werkwijze voor het aan- brengen daarvan.
DE973735C (de) * 1951-08-24 1960-05-25 Michael Maul Kartendoppler fuer Doppeldeck-Karten
NL168464B (nl) * 1951-09-26 Kaupert Guenter Dr Ing Tot een stapel in elkaar te schuiven, van een aantal komvormige delen voorziene, inlegvellen.
NL168968B (nl) * 1951-10-02 Hollandse Signaalapparaten Bv Inrichting voor het verwerken van digitale symboolin- formatie ten behoeve van het afbeelden van teksten op een televisiemonitor.
US2844307A (en) * 1952-01-29 1958-07-22 Bell Telephone Labor Inc Record-controlled apparatus
US2775297A (en) * 1952-05-01 1956-12-25 Ibm Record controlled perforating machine
US2768691A (en) * 1952-05-23 1956-10-30 Cooper Reproducing punch
US2751985A (en) * 1952-12-05 1956-06-26 Sperry Rand Corp Field selection mechanism for record controlled machines
US2771137A (en) * 1953-04-30 1956-11-20 Ibm Record controlled punch with provision for serial numbering
US2889110A (en) * 1953-06-19 1959-06-02 Ibm Bill feeding and piercing devices
BE532427A (en:Method) * 1953-10-09
US2775298A (en) * 1953-11-17 1956-12-25 Ibm Ledger posting machine
US2888077A (en) * 1954-04-13 1959-05-26 Ibm Interspersed gang punch device
US2793695A (en) * 1954-10-14 1957-05-28 Ibm Record punching machine
US3070366A (en) * 1957-01-04 1962-12-25 William F Huck Record processing machine
US2902005A (en) * 1957-05-23 1959-09-01 Ibm Hydraulic control for intermittent starting and stopping of a hydraulic motor
DE1139674B (de) * 1957-06-29 1962-11-15 Aritma, narodni podnik, Prag Lochkartendupliziermaschine.
US3001693A (en) * 1957-07-25 1961-09-26 Parsons Corp Data handling system
BE574298A (en:Method) * 1957-12-30
US3509323A (en) * 1962-05-17 1970-04-28 Houdaille Industries Inc Tape control device

Also Published As

Publication number Publication date
NL45012C (en:Method)
NL50871C (en:Method)
DE644593C (de) 1937-05-08
FR796365A (fr) 1936-04-06
USRE21133E (en) 1939-06-27
US2032805A (en) 1936-03-03

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