CH218771A - Process for reinforcing at least one of the edges of a card, in particular of a card for an accounting machine, and card with a reinforced edge obtained by means of this process. - Google Patents

Process for reinforcing at least one of the edges of a card, in particular of a card for an accounting machine, and card with a reinforced edge obtained by means of this process.

Info

Publication number
CH218771A
CH218771A CH218771DA CH218771A CH 218771 A CH218771 A CH 218771A CH 218771D A CH218771D A CH 218771DA CH 218771 A CH218771 A CH 218771A
Authority
CH
Switzerland
Prior art keywords
card
reinforcing
edges
accounting machine
reinforced edge
Prior art date
Application number
Other languages
French (fr)
Inventor
Corporation Internati Machines
Original Assignee
Ibm
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 Ibm filed Critical Ibm
Publication of CH218771A publication Critical patent/CH218771A/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K19/00—Record carriers for use with machines and with at least a part designed to carry digital markings
    • G06K19/02—Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the selection of materials, e.g. to avoid wear during transport through the machine

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
CH218771D 1940-01-16 1940-12-18 Process for reinforcing at least one of the edges of a card, in particular of a card for an accounting machine, and card with a reinforced edge obtained by means of this process. CH218771A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US218771XA 1940-01-16 1940-01-16

Publications (1)

Publication Number Publication Date
CH218771A true CH218771A (en) 1941-12-31

Family

ID=21806631

Family Applications (1)

Application Number Title Priority Date Filing Date
CH218771D CH218771A (en) 1940-01-16 1940-12-18 Process for reinforcing at least one of the edges of a card, in particular of a card for an accounting machine, and card with a reinforced edge obtained by means of this process.

Country Status (3)

Country Link
BE (1) BE440310A (en)
CH (1) CH218771A (en)
FR (1) FR876516A (en)

Also Published As

Publication number Publication date
FR876516A (en) 1942-11-09
BE440310A (en) 1941-02-28

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