EP0106403B1 - Cartouche pour ruban encreur avec dispositif d'imprégnation - Google Patents

Cartouche pour ruban encreur avec dispositif d'imprégnation Download PDF

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Publication number
EP0106403B1
EP0106403B1 EP83201427A EP83201427A EP0106403B1 EP 0106403 B1 EP0106403 B1 EP 0106403B1 EP 83201427 A EP83201427 A EP 83201427A EP 83201427 A EP83201427 A EP 83201427A EP 0106403 B1 EP0106403 B1 EP 0106403B1
Authority
EP
European Patent Office
Prior art keywords
ink ribbon
threshold
tube
ribbon cassette
roller
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
EP83201427A
Other languages
German (de)
English (en)
Other versions
EP0106403A2 (fr
EP0106403A3 (en
Inventor
Joachim Krull
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.)
Philips Intellectual Property and Standards GmbH
Koninklijke Philips NV
Original Assignee
Philips Patentverwaltung GmbH
Philips Gloeilampenfabrieken NV
Koninklijke Philips Electronics NV
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 Philips Patentverwaltung GmbH, Philips Gloeilampenfabrieken NV, Koninklijke Philips Electronics NV filed Critical Philips Patentverwaltung GmbH
Publication of EP0106403A2 publication Critical patent/EP0106403A2/fr
Publication of EP0106403A3 publication Critical patent/EP0106403A3/de
Application granted granted Critical
Publication of EP0106403B1 publication Critical patent/EP0106403B1/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
    • B41J32/00—Ink-ribbon cartridges
    • B41J32/02—Ink-ribbon cartridges for endless ribbons
    • 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

Definitions

  • the invention relates to an ink ribbon cassette that can be placed on the carriage of a printing unit and has a soaking device for the ink ribbon, in which the ink liquid that can be filled into a container can be fed to a wettable roller over which the ink ribbon is guided and that is rotated by the movement of the ink ribbon.
  • Such an ink ribbon cassette is known from EP-A-0 031 854.
  • An ink reservoir is arranged above each of the two ink ribbon spools, which are spaced apart from one another, so that the ink ribbon is impregnated with ink liquid in both transport directions of the ink ribbon in front of the printing area.
  • the color memories are made of felt and are separated from the rest of the cassette housing.
  • the ribbon is guided over a roll with a hard surface between the bobbin and the writing area. This role is connected to the assigned color memory via an angled part.
  • the roller is rotated by the moving ribbon so that the roller surface is constantly wetted with ink.
  • the radial boundary surfaces of the roller are provided with ring-shaped recesses as a flow barrier so that excess ink does not escape through the bearings of the roller axis.
  • the invention has for its object to provide an ink ribbon cassette with a soaking device, in which ink can only be removed from the ink reservoir during the movement of the print head provided with the ink ribbon cassette and which is simple in construction.
  • the container has an inwardly projecting, substantially transverse to the slide movement, lying threshold, in the uppermost part of a sampling tube that the other end of the sampling tube touches the role, that the role is designed as an absorbent role and that the liquid level is at rest below the uppermost part of the threshold.
  • the invention has the advantage that ink is only supplied to the sponge roller and thus to the ink ribbon when the liquid level is moved and spills over the threshold. With a relatively quietly moving printhead, this will be the case at least when the printhead changes its direction of movement, that is to say at the beginning and end of a writing line. Whether color liquid also spills over the threshold during a direction of movement of the printer depends on the one hand on the movement vibrations and on the other hand on the height of the threshold relative to the liquid level. In any case, the supply of the color liquid is metered by the invention.
  • the space above the threshold and thus above the opening of the sampling tube is narrowed.
  • This is achieved according to a further embodiment of the invention in that two cavities are formed within the container, the cross sections of which taper and the contacting smallest cross sections form the threshold and that the two cavities are additionally connected to one another by an air equalization channel.
  • a fixed short tube can also be used, inside which the sill is arranged or which is placed on a sill itself.
  • the tube is parallel with its longitudinal axis and attached above the liquid level in the housing. In this case, there is no need for a special air balance inside the container. It is expedient to pull up the threshold lying inside or outside the tube somewhat to the side, so that the color liquid which has started to move is directed towards the opening of the sampling tube.
  • the ribbon cassette 1 shown in top view in FIG. 1 is attached to the carriage of a printing unit in a known, not shown manner such that the printer, not shown, comes to rest in room 3.
  • An endless ink ribbon 2 is arranged inside the ink ribbon cassette 1 and is moved in the direction of the arrow by the drive and the pressure roller 4, 5. The ink ribbon 2 is pulled around the deflection roller 6 and the counter roller 7.
  • the night soak is attached.
  • This consists of the container 8 and the roller 12.
  • the roller 12 is stored in the ink ribbon cassette 1 and works together with the counter roller 7.
  • the container 8 contains two cavities 9 and 10 in its interior, the cross sections of which taper and which with their smallest cross sections counter lie.
  • Both cavities 9 and 10 can be bottle-like or in the form of a hollow pyramid or a hollow cone. It is essential that there is a threshold or narrow parts at the tapered point. A diameter of this constriction of 1.5 mm and a length of approximately 2 mm are expediently selected. So that sufficient color liquid 11 can be filled into the cavities 9 and 10, the lower edge of this threshold 16, viewed from the bottom of the cavities 9 and 10, is placed approximately in the middle of the container 8 if this container 8 has a diameter or a side edge of 11 mm .
  • the container 8 is expediently produced from two parts, from an upper and a lower container part 14 and 15.
  • ink liquid 11 can be refilled or filled through the opening that then arises. It should be ensured that the liquid level does not reach over the upper edge of the threshold 16. Both cavities 9 and 10 are additionally connected to one another via an air compensation duct 21.
  • the print head and the ribbon cassette are moved back and forth in the direction of the arrow P.
  • acceleration occurs continuously.
  • the color liquid 11 snaps back and forth across the threshold 16.
  • the pressure arising in this constriction also presses a small part of the paint liquid into the removal tube 13, from where the liquid reaches the sponge roller 12.
  • the removal tube 13 ends shortly above the upper lateral boundary surface of the sponge roller 12.
  • the ink liquid spills over the threshold 16
  • a small part of the paint is thus dripped onto the sponge roller 12, which transfers this ink to the ink ribbon 2.
  • the size of the constriction and the diameter of the withdrawal tube 13 depend on the type of ink used and on the desired blackening of the impression.
  • FIGS. 3 and 4 show two further exemplary embodiments of the container 8 according to FIG. 1.
  • the threshold 16 is formed by the apex of a run-up slope 17 falling to both sides.
  • a tube 18 is fastened, the longitudinal direction of which coincides with the longitudinal direction of the container 8 or runs parallel to it.
  • the apex of the run-off slope 17 is raised to the side of the tube 18.
  • a tube 19 is fastened inside the container 8, in the interior of which the threshold 20 is arranged. So that the most possible color liquid passes through the tube 19, it is expedient that the tube 19 covers approximately the inner cross section of the container 8. For the same reason, it is expedient to design the threshold 20 laterally elevated in the longitudinal direction of the container 8.

Landscapes

  • Impression-Transfer Materials And Handling Thereof (AREA)

Claims (8)

1. Cartouche de ruban encreur (1) pouvant être posée sur le chariot d'une imprimante comportant un dispositif de réencrage pour le ruban encreur (2), dans laquelle le liquide d'encrage (11) pouvant être contenu dans un récipient (8) peut être amené à un rouleau mouillable (12), sur lequel le ruban encreur (2) est guidé et qui est entraîné en rotation par le déplacement du ruban encreur (2), caractérisée en ce que le récipient (8) comprend un seuil (16) dirigé vers l'intérieur, qui est disposé essentiellement en travers du mouvement du chariot et dans la partie supérieure duquel s'ouvre un petit tube de prélèvement (13), que l'autre extrémité du petit tube de prélèvement (13) est en contact avec le rouleau (12), que le rouleau (12) a la forme d'un rouleau absorbant, et que le niveau du liquide, à l'état de repos, se situe en dessous de la partie supérieure du seuil (16).
2. Cartouche de ruban encreur suivant la revendication 1, caractérisée en ce qu'à l'intérieur du récipient (8) sont formées deux cavités dont les sections vont en se rétrécissant et dont les plus petites sections qui se touchent forment le seuil (16), et que les deux cavités (9, 10) sont, en outre, en communication par l'intermédiaire d'un canal d'égalisation de pression d'air (21).
3. Cartouche de ruban encreur suivant les revendications 1 et 2, caractérisée en ce que les deux cavités (9, 10) ont la forme de cônes creux.
4. Cartouche de ruban encreur suivant les revendications 1 et 2, caractérisée en ce que les deux cavités (9, 10) ont la forme de pyramides creuses.
5. Cartouche de ruban encreur suivant la revendication 1, caractérisée en ce que le seuil est disposé à l'intérieur d'un tube (19) qui est perpendiculaire au petit tube de prélèvement (13) qui est en communication avec le rouleau (12).
6. Cartouche de ruban encreur suivant la revendication 5, caractérisée en ce que le seuil (20) est formé à l'intérieur du tube (19) et est surélevé latéralement par rapport à l'orifice du petit tube de prélèvement (13).
7. Cartouche de ruban encreur suivant la revendication 1, caractérisée en ce que le seuil est formé d'une rampe double (17) allant en descendant des deux côtés, sur le sommet de laquelle est disposé un tube (18) dans lequel s'ouvre le petit tube de prélèvement (13).
8. Cartouche de ruban encreur suivant la revendication 7, caractérisé en ce que le sommet de la rampe double (17) est relevé des deux côtés du tube (18).
EP83201427A 1982-10-07 1983-10-05 Cartouche pour ruban encreur avec dispositif d'imprégnation Expired EP0106403B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823237122 DE3237122A1 (de) 1982-10-07 1982-10-07 Farbbandkassette mit einer nachtraenkvorrichtung
DE3237122 1982-10-07

Publications (3)

Publication Number Publication Date
EP0106403A2 EP0106403A2 (fr) 1984-04-25
EP0106403A3 EP0106403A3 (en) 1985-04-17
EP0106403B1 true EP0106403B1 (fr) 1987-05-06

Family

ID=6175146

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83201427A Expired EP0106403B1 (fr) 1982-10-07 1983-10-05 Cartouche pour ruban encreur avec dispositif d'imprégnation

Country Status (5)

Country Link
US (1) US4526488A (fr)
EP (1) EP0106403B1 (fr)
JP (1) JPS5993377A (fr)
CA (1) CA1214072A (fr)
DE (2) DE3237122A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH042063Y2 (fr) * 1985-06-27 1992-01-23
DE3530352A1 (de) * 1985-08-24 1987-03-05 Kronseder Maschf Krones Vorrichtung zum bedrucken von etiketten, insbesondere in etikettiermaschinen
DE3635923A1 (de) * 1986-10-22 1988-05-05 Kronseder Maschf Krones Vorrichtung zum bedrucken von etiketten in etikettiermaschinen
US5183937A (en) * 1990-02-07 1993-02-02 The Nutrasweet Company Acetic acid recovery
US5071271A (en) * 1990-04-09 1991-12-10 Chang Rong J Ink ribbon inking device
US5902057A (en) * 1997-09-09 1999-05-11 Genicom Corporation Print ribbon cartridge with re-inker assembly
JP2006288788A (ja) * 2005-04-12 2006-10-26 Tjm Design Corp カッターナイフの替刃収納ケース

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761539A (en) * 1954-12-29 1956-09-04 Ibm Re-inking ribbon spool
JPS54116013U (fr) * 1978-01-31 1979-08-14
EP0031854A1 (fr) * 1979-12-27 1981-07-15 Mannesmann Kienzle GmbH Cartouche pour ruban encreur avec dispositif de réencrage et procédé pour sa fabrication
JPS56144655U (fr) * 1980-04-01 1981-10-31

Also Published As

Publication number Publication date
DE3237122A1 (de) 1984-04-12
EP0106403A2 (fr) 1984-04-25
US4526488A (en) 1985-07-02
JPS5993377A (ja) 1984-05-29
CA1214072A (fr) 1986-11-18
EP0106403A3 (en) 1985-04-17
DE3371315D1 (en) 1987-06-11

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