NL50871C - - Google Patents

Info

Publication number
NL50871C
NL50871C NL50871DA NL50871C NL 50871 C NL50871 C NL 50871C NL 50871D A NL50871D A NL 50871DA NL 50871 C NL50871 C NL 50871C
Authority
NL
Netherlands
Application number
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.)
Publication of NL50871C publication Critical patent/NL50871C/xx

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)
  • Conveying Record Carriers (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Catalysts (AREA)
NL50871D 1933-08-09 NL50871C (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
NL50871C true NL50871C (en)

Family

ID=32508409

Family Applications (2)

Application Number Title Priority Date Filing Date
NL50871D NL50871C (en) 1933-08-09
NL45012D NL45012C (en) 1933-08-09

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL45012D NL45012C (en) 1933-08-09

Country Status (5)

Country Link
US (2) US2032805A (en)
DE (1) DE644593C (en)
FR (1) FR796365A (en)
GB (1) GB442534A (en)
NL (2) NL45012C (en)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2623592A (en) * 1952-12-30 Card reproducing machine
US2711794A (en) * 1955-06-28 ghertman
DE747603C (en) * 1940-06-11 1944-11-18 Hollerith Maschinen Ges M B H Entry machine for registration cards
DE976542C (en) * 1942-03-14 1963-11-07 Ibm Deutschland Printing unit for card punching machines
US2448781A (en) * 1942-03-14 1948-09-07 Ibm Record controlled machine
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
BE491526A (en) * 1948-10-08
US2647581A (en) * 1949-07-06 1953-08-04 Ibm Record card punching machine
US2690222A (en) * 1950-08-19 1954-09-28 Ibm Mark sensing reproducer
US2684719A (en) * 1950-08-19 1954-07-27 Ibm Storage key punch
NL166471B (en) * 1951-08-09 Upjohn Co PROCESS FOR PREPARING A THERAPEUTIC PREPARATION AND PROCESS FOR PREPARING A SUITABLE BENZOPHEN DERIVATIVE.
NL166510B (en) * 1951-08-10 France Etat GUARDRAIL, WHICH CAN SLIDE IN CROSS DIRECTION.
NL166511B (en) * 1951-08-14 Vredestein Nv WATER-SEALING OR WATER COLOR COMPOSITION FOR A JOINT IN A CONCRETE CONSTRUCTION AND METHOD FOR APPLYING THIS.
DE973735C (en) * 1951-08-24 1960-05-25 Michael Maul Card doubler for double deck cards
NL168464B (en) * 1951-09-26 Kaupert Guenter Dr Ing SLIDING INTO A STACK, WITH A NUMBER OF CUP-SHAPED PARTS, INSERTS.
NL168968B (en) * 1951-10-02 Hollandse Signaalapparaten Bv DEVICE FOR PROCESSING DIGITAL SYMBOL INFORMATION FOR THE PURPOSE OF DISPLAYING TEXT ON A TELEVISION MONITOR.
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) * 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 (en) * 1957-06-29 1962-11-15 Aritma, narodni podnik, Prag Punch card duplicating machine.
US3001693A (en) * 1957-07-25 1961-09-26 Parsons Corp Data handling system
BE574298A (en) * 1957-12-30
US3509323A (en) * 1962-05-17 1970-04-28 Houdaille Industries Inc Tape control device

Also Published As

Publication number Publication date
FR796365A (en) 1936-04-06
GB442534A (en) 1936-02-10
US2032805A (en) 1936-03-03
USRE21133E (en) 1939-06-27
NL45012C (en)
DE644593C (en) 1937-05-08

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