EP0094035A2 - Cartouche de ruban pour une machine à écrire ou une machine de bureau similaire - Google Patents

Cartouche de ruban pour une machine à écrire ou une machine de bureau similaire Download PDF

Info

Publication number
EP0094035A2
EP0094035A2 EP83104418A EP83104418A EP0094035A2 EP 0094035 A2 EP0094035 A2 EP 0094035A2 EP 83104418 A EP83104418 A EP 83104418A EP 83104418 A EP83104418 A EP 83104418A EP 0094035 A2 EP0094035 A2 EP 0094035A2
Authority
EP
European Patent Office
Prior art keywords
cassette
cassette according
ribbon
ink ribbon
ink
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.)
Granted
Application number
EP83104418A
Other languages
German (de)
English (en)
Other versions
EP0094035A3 (en
EP0094035B1 (fr
Inventor
Hans Dipl.-Kfm. Lewerth
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.)
Olympia AG
Original Assignee
Olympia Werke AG
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 Olympia Werke AG filed Critical Olympia Werke AG
Priority to AT83104418T priority Critical patent/ATE15991T1/de
Publication of EP0094035A2 publication Critical patent/EP0094035A2/fr
Publication of EP0094035A3 publication Critical patent/EP0094035A3/de
Application granted granted Critical
Publication of EP0094035B1 publication Critical patent/EP0094035B1/fr
Expired legal-status Critical Current

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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
    • B41J35/00—Other apparatus or arrangements associated with, or incorporated in, ink-ribbon mechanisms
    • B41J35/38—Feeding the ink ribbon to waste after use

Definitions

  • the invention relates to an ink ribbon cassette for a typewriter or similar office machine with an easily writable ink ribbon.
  • the invention has for its object to provide a ribbon cartridge with a single-use ribbon, e.g. to create with a disposable carbon tape, through which the text written on the used tape is no longer reproducible after being deposited in the cassette.
  • This object is achieved by the invention characterized in claim 1.
  • the device for obscuring the written text on the tape and the cassette form a compact unit.
  • an ink ribbon cassette 1 is arranged ready for operation on a receiving device 3 of a typewriter or similar office machine, which is slidably mounted together with a type wheel printing unit along a recording medium 5.
  • the record carrier 5 is arranged to be transportable in a known manner via a paper roller 7.
  • the single carbon ribbon 11 emerging from an outlet slot 9 of the ink ribbon cassette 1 serves as an ink ribbon and is unwound from a supply reel 13 and via a tensioning lever 15 and via ribbon guide.
  • tion forks 17, 19 passed between the record carrier 5 and a type carrier 21.
  • the type carrier 21 is e.g. a type wheel with a plurality of radial slots, whereby elastic webs are formed, at the ends of which a type is arranged.
  • the type disk 21 is driven by a motor, not shown, which is also arranged on the receiving device 3.
  • a character is printed using a hammer which is displaceably mounted on the receiving device 3 and which, e.g.
  • the carbon tape 11 is pulled back into the cassette by means of a drivable drive roller 23 and a pressure roller 25 which can be pressed against it, through an entry slot 27 and fed to a take-up reel 29.
  • the pressure roller 25 is rotatably mounted on a lever 26 pivotable about an axis 28 and is pulled against the drive roller 23 by a spring 8 articulated on the lever 26.
  • This take-up spool 29 is firmly connected to a pulley 31, which is frictionally connected to a second pulley 35 via a coil spring -33.
  • the pulley 35 can be driven on the machine side.
  • the ink ribbon cassette 1 has a device 41 for automatically making the written text on the tape 11 unrecognizable.
  • the device 41 can be designed very differently and, according to FIGS. 1 and 2, consists of a scraping part 47 arranged in the cassette 1 with a scraping edge 49, by means of which the remaining color layer 51 can be scraped off from the carrier tape 53 of the carbon tape 11 used.
  • the scraped-off ink layer falls on the cassette bottom and thus remains inside the cassette 1. Only the carrier tape without ink layer 51 is wound onto the take-up reel 29.
  • an advantageous further development of the scraping edge 49 consists in that it is provided with teeth 55.
  • the ink layer 51 is removed from the carrier tape 53 only in the area of the writing generated on the carbon tape 11.
  • the amount of ink layer falling on the cassette floor is considerably reduced.
  • the scraping off of the color layer from the carrier tape 53 can, according to FIG. B. be greatly facilitated by a heating coil 57.
  • the z. B. consisting of wax and carbon particles layer 51 is softened by the heat of the heating coil 57 for easier scraping.
  • a guide surface serving as an ironing surface can also be used, through which the softened ink layer 51 is ironed smoothly on the ink ribbon 11 in order to make the generated text unrecognizable.
  • the heating coil 57 and the guide surface can consist of one piece and be designed as an iron.
  • the device 41 which is arranged in the region of the re-entry point 27 of the carbon strip 11 into the cassette 1, according to FIG. 4, can consist of a plurality of knives 43 arranged parallel to one another, by means of which the carbon strip 11 can be divided into several 'narrow strips 45 in the longitudinal direction is cut that the written text on the tape 11 is no longer reproducible.
  • the blurring of the used ribbon is increased by the fact that the cuts go right through the letter levels.
  • the device 41 for blurring the written text on the used ink ribbon with the ink ribbon cassette 1 forms an interchangeable unit. This ensures that the ribbon cassette can also be used subsequently on machines that have already been sold without having to convert the machine.
  • a cutting device 59 which consists of a fixed knife 61 and a knife 63 which can be moved by a device (not shown). As a result, the carbon band 11 is crushed into sections 65. The sections 65 can be collected in a storage space 67 of the cassette 1. This cutting device 59 also prevents the text generated on the used ribbon part from being recognized, since the sections 65 which are confused in the storage space 67 can no longer be arranged in the correct order.
  • the perforated die can be part of the cassette 1, while the punch can be arranged in the receiving device for the cassette 1 in the typewriter.
  • the device 41 can be designed such that the winding layers of the take-up spool 29 are non-detachably connected to one another when the carbon strip 11 is wound up.
  • the carbon tape 11 according to FIGS. 6 and 7 contains an adhesive layer 69, which is only made so sticky after the entry of the carbon tape 11 into the cassette 1 that the carbon tape part reintroduced into the cassette 1 with the respective outer winding of the .
  • Winding spool 29 is firmly glued. This sticking of the adhesive layer 69 in the cassette 1 takes place according to FIG. 6 via a heating device 71, by means of which the adhesive layer 69 is heated and thus made sticky in such a way that the winding layers of the take-up spool 29 firmly adhere to one another.
  • the adhesive layer 69 in the cassette 1 can be made tacky by means of a cushion 73 soaked with a solvent.
  • the solvent reacts with the adhesive layer 69 of the carbon tape 11 in such a way that the adhesive layer 69, which is not yet tacky when it enters the cassette 1, is dissolved by the solvent and thus made tacky.
  • This takes place immediately before the winding of the carbon tape 11 onto the take-up spool 29, so that the take-up layers stick together.
  • the result of the bonding is that after the winding 29 has been removed with the carbon tape described, this carbon tape can no longer be unwound without the carbon tape or at least the layer of paint being destroyed.
  • the winding layers of the take-up reel 29 can be glued together using an adhesive tape 77 of a supply reel 75 also stored in the cassette 1, the carbon tape 11 and the adhesive tape 77 being wound up together.
  • the adhesive tape 77 has an applied adhesive layer on both sides, as a result of which the winding layers of the winding spool 29 are firmly bonded to one another.
  • the adhesive layers of the adhesive tape 77 can be sticky even before unwinding from the supply reel 75.
  • the device 41 can also consist either of a cushion 'which is impregnated with a solvent or of a deflection pin made of a plastic which reacts chemically with the color layer.
  • the device according to FIG. 7 can be used for this purpose, the pad 73 being soaked with the abovementioned solvent and the adhesive layer 69 not being present on the ink ribbon 11.
  • the device 41 for blurring the text generated on the used carbon ribbon 11 can also be a knurled wheel, which acts on the ink ribbon 11 by knurling in such a way that the characters are blurred.
  • the knurling of the knurled wheel can also be designed such that additional letters or the like are pressed into the ink ribbon used, so that the original characters are covered and thus become unrecognizable.
  • Such a knurled wheel can either be arranged separately or instead of the pressure roller 25 or the drive roller 23 in the cassette 1.
  • the drive roller 23 and the pressure roller 25 can both be designed as knurled wheels.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)
EP83104418A 1982-05-08 1983-05-05 Cartouche de ruban pour une machine à écrire ou une machine de bureau similaire Expired EP0094035B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83104418T ATE15991T1 (de) 1982-05-08 1983-05-05 Farbbandkassette fuer eine schreib- oder aehnliche bueromaschine.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823217416 DE3217416A1 (de) 1982-05-08 1982-05-08 Farbbandkassette fuer eine schreib- oder aehnliche bueromaschine
DE3217416 1982-05-08

Publications (3)

Publication Number Publication Date
EP0094035A2 true EP0094035A2 (fr) 1983-11-16
EP0094035A3 EP0094035A3 (en) 1984-08-15
EP0094035B1 EP0094035B1 (fr) 1985-10-09

Family

ID=6163128

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83104418A Expired EP0094035B1 (fr) 1982-05-08 1983-05-05 Cartouche de ruban pour une machine à écrire ou une machine de bureau similaire

Country Status (3)

Country Link
EP (1) EP0094035B1 (fr)
AT (1) ATE15991T1 (fr)
DE (2) DE3217416A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520297A1 (fr) * 1982-01-22 1983-07-29 Triumph Adler Buero Inf Procede et appareil pour brouiller le texte inscrit sur des rubans encreurs utilisables une fois dans des machines a ecrire et analogues
DE3421580A1 (de) * 1984-06-09 1985-12-12 Gerd 7016 Gerlingen Hansmann Verfahren und vorrichtung zum unkenntlichmachen eines beschriebenen farbbandes
DE3426840A1 (de) * 1984-07-20 1986-01-23 Feinwerktechnik Schleicher & Co, 7778 Markdorf Bueromaschine mit einem schreib- oder druckwerk
EP0962328A3 (fr) * 1998-06-05 1999-12-29 Sony Corporation Cartouche pour ruban encreur et imprimante

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421406C1 (de) * 1984-06-08 1985-11-28 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Farbbandkassette fuer Schreib- oder aehnliche Maschinen
DE3724827C1 (de) * 1987-07-27 1989-01-26 Nixdorf Computer Ag Thermotransferdruckeinrichtung

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3135897C2 (de) * 1981-09-10 1983-07-28 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Vorrichtung für Schreibmaschinen zum Unlesbarmachen von verbrauchten Kohlebändern
DE3201924C2 (de) * 1982-01-22 1984-03-08 Triumph-Adler Aktiengesellschaft für Büro- und Informationstechnik, 8500 Nürnberg Vorrichtung zum Unkenntlichmachen des Textes auf einmal verwendbaren Farbbändern für Schreib- und ähnliche Maschinen

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2520297A1 (fr) * 1982-01-22 1983-07-29 Triumph Adler Buero Inf Procede et appareil pour brouiller le texte inscrit sur des rubans encreurs utilisables une fois dans des machines a ecrire et analogues
DE3421580A1 (de) * 1984-06-09 1985-12-12 Gerd 7016 Gerlingen Hansmann Verfahren und vorrichtung zum unkenntlichmachen eines beschriebenen farbbandes
DE3426840A1 (de) * 1984-07-20 1986-01-23 Feinwerktechnik Schleicher & Co, 7778 Markdorf Bueromaschine mit einem schreib- oder druckwerk
EP0962328A3 (fr) * 1998-06-05 1999-12-29 Sony Corporation Cartouche pour ruban encreur et imprimante
US6224276B1 (en) 1998-06-05 2001-05-01 Sony Corporation Ink ribbon cartridge including ink ribbon damaging means and rotation direction restricting means

Also Published As

Publication number Publication date
DE3217416A1 (de) 1983-11-10
DE3360969D1 (en) 1985-11-14
EP0094035A3 (en) 1984-08-15
EP0094035B1 (fr) 1985-10-09
ATE15991T1 (de) 1985-10-15

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