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EP0097009A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Wire dot printer

Assignee: Seiko Epson Corp
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Filing: 1983-06-03
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Granted: —
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Expires: 2003-06-03
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Abstract

Abstract A wire dot printer comprising a plurality of printing wires (30), and at least one ink applicator device (7-9) for applying ink to end faces (30a) of said printing wires (30), characterised by ink heating means (10) which are arranged in operation to heat the said ink.

Inventors

  • 👤 Yoshito Ikeda
  • 👤 Hitoshi Fujiwara
  • 👤 Masanao Matsuzawa
  • 👤 Yoshifumi Gomi
  • 👤 Yasuhito Hirashima

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-02 11:50
CPC Classifications
B; B41; B41J; B41J2/00; B41J2/22; B41J2/23; B41J2/305; B41J2/235; B41J2/25; B41J2/255

Claims Analysis

Total Claims: 14
Claim 1
Independent Claim 47 words
A wire dot printer comprising a plurality of printing wires (30), and at least one ink applicator device (7-9) for applying ink to end faces (30a) of said printing wires (30), characterised by ink heating means (10) which are arranged in operation to heat the said ink.
Claim 2
Dependent Claim 47 words
A wire dot printer comprising a plurality of printing wires (30), and at least one ink applicator device (7-9) for applying ink to end faces (30a) of said printing wires (30), characterised by ink heating means (10) which are arranged in operation to heat the said ink.
Claim 3
Dependent Claim 24 words
A printer as claimed in claim 1 characterised in that the ink heating means (10) are disposed adjacent to the said end faces (30a).
Claim 4
Dependent Claim 31 words
A printer as claimed in claim 1 characterised in that the ink heating means are disposed in an ink supply passage for supplying ink to the or an ink applicator device.
Claim 5
Dependent Claim 24 words
A printer as claimed in any preceding claim characterised by pump means (13) for supplying ink to the ink applicator device or devices (7-9).
Claim 6
Dependent Claim 45 words
A printer as claimed in any preceding claim characterised in that there are a plurality of ink applicator devices (71,73,74), the printing wires (86Y, 86M, 86C) being divided into groups of wires each group of which is mounted in a respective ink applicator device (71,73,74).
Claim 7
Dependent Claim 35 words
A printer as claimed in claim 5 characterised in that the ink heating means comprises a plurality of independent heaters (70a, 7Cb. 70c) each of which is associated with a respective ink applicator device (71,73,74).
Claim 8
Dependent Claim 27 words
A printer as claimed in any preceding claim characterised in that the or each ink applicator device comprises a wire guide member (41) of electrically conductive material.
Claim 9
Dependent Claim 36 words
A printer as claimed in any preceding claim characterised in that the ink heating means (10) is arranged in operation to maintain the temperature of the ink at a predetermined value or within a predetermined range.
Claim 10
Dependent Claim 29 words
A printer as claimed in any preceding claim characterised in that means (53) are provided for urging the ink to flow to the said end faces under capillary attraction.
Claim 11
Dependent Claim 26 words
A printer as claimed in claim 9 characterised in that the last-mentioned means (53) is thermally conductive and is secured to the ink heating means (52).
Claim 12
Dependent Claim 23 words
A printer as claimed in claim 9 characterised in that the last-mentioned means (53) constitutes, or forms part of, the ink heating means.
Claim 13
Dependent Claim 22 words
A printer as claimed in any of claims 9-11 characterised in that the last-mentioned means (53) extends into an ink tank (55).
Claim 14
Dependent Claim 27 words
- A printer as claimed in any preceding claim characterised in that the printer is used with ink (60) which is solid or semi-solid at normal temperature.

References Cited (Backward Citations)

US4279519A Cited
EP0042293A2 Cited

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