GB1149572A - Improvements in or relating to imprinting and obliterating apparatus - Google Patents

Improvements in or relating to imprinting and obliterating apparatus

Info

Publication number
GB1149572A
GB1149572A GB30730/66A GB3073066A GB1149572A GB 1149572 A GB1149572 A GB 1149572A GB 30730/66 A GB30730/66 A GB 30730/66A GB 3073066 A GB3073066 A GB 3073066A GB 1149572 A GB1149572 A GB 1149572A
Authority
GB
United Kingdom
Prior art keywords
band
ribbon
base
ink
obliterating
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
GB30730/66A
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.)
Olivetti SpA
Original Assignee
Olivetti SpA
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
Priority claimed from CH969265A external-priority patent/CH440033A/en
Application filed by Olivetti SpA filed Critical Olivetti SpA
Publication of GB1149572A publication Critical patent/GB1149572A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J31/00—Ink ribbons; Renovating or testing ink ribbons
    • B41J31/14—Renovating or testing ink ribbons
    • B41J31/16—Renovating or testing ink ribbons while fitted in the machine using the ink ribbons

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)

Abstract

1,149,572. Typewriters &c. ING. C. OLIVETTI & C. S.p.A. 8 July, 1966 [8 July, 1965], No. 30730/66. Heading B6F. [Also in Division G5] A typewriter or like printing apparatus incorporating an obliterating arrangement, comprises an ink-ribbon 1 having absorbed thereto a non-diffusable ink, and a smooth surface inscription base 6; the ribbon and base being impacted together at a printing position 11, 12 and after the matter is viewed at position B, is obliterated by an elastic roller 4 which is oscillated to press the base 6 against a support member 14. The roller 4 may be of spongy caoutchouc and is mounted on a spindle 5 which may be fitted into one of three positions in a bearing arm 18 which is oscillated about its axis to impart a rubbing to the band 6. This causes reabsorption by the ribbon 1 of the ink deposited on the band 6 formed with a non-permeable e.g. glass or metal surface. An auxiliary band 15 made of plastic material passes across the support member 14 to avoid rubbing the band 6 across the support, and a reading screen 13 may be provided with grooves for guiding the edges of the band.
GB30730/66A 1965-07-08 1966-07-08 Improvements in or relating to imprinting and obliterating apparatus Expired GB1149572A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH969265A CH440033A (en) 1965-07-08 1965-07-08 Device for making an entry on a medium and subsequently erasing this entry

Publications (1)

Publication Number Publication Date
GB1149572A true GB1149572A (en) 1969-04-23

Family

ID=4354610

Family Applications (1)

Application Number Title Priority Date Filing Date
GB30730/66A Expired GB1149572A (en) 1965-07-08 1966-07-08 Improvements in or relating to imprinting and obliterating apparatus

Country Status (4)

Country Link
US (1) USRE27180E (en)
BE (1) BE683641A (en)
DE (1) DE1561270A1 (en)
GB (1) GB1149572A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113316328A (en) * 2021-04-23 2021-08-27 厦门理工学院 Method for shading copper foil in roll-to-roll mode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113316328A (en) * 2021-04-23 2021-08-27 厦门理工学院 Method for shading copper foil in roll-to-roll mode
CN113316328B (en) * 2021-04-23 2022-05-06 厦门理工学院 Method for shading copper foil in roll-to-roll mode

Also Published As

Publication number Publication date
DE1561270A1 (en) 1970-04-02
USRE27180E (en) 1971-09-21
BE683641A (en) 1966-12-16

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