EP0747223A3 - Ink reservoir with coated open-cell foam - Google Patents

Ink reservoir with coated open-cell foam Download PDF

Info

Publication number
EP0747223A3
EP0747223A3 EP96304067A EP96304067A EP0747223A3 EP 0747223 A3 EP0747223 A3 EP 0747223A3 EP 96304067 A EP96304067 A EP 96304067A EP 96304067 A EP96304067 A EP 96304067A EP 0747223 A3 EP0747223 A3 EP 0747223A3
Authority
EP
European Patent Office
Prior art keywords
ink reservoir
cell foam
coated open
foam
open
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
EP96304067A
Other languages
German (de)
French (fr)
Other versions
EP0747223A2 (en
EP0747223B1 (en
Inventor
Donald L. Elbert
Ashok Murthy
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.)
Lexmark International Inc
Original Assignee
Lexmark International Inc
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 Lexmark International Inc filed Critical Lexmark International Inc
Publication of EP0747223A2 publication Critical patent/EP0747223A2/en
Publication of EP0747223A3 publication Critical patent/EP0747223A3/en
Application granted granted Critical
Publication of EP0747223B1 publication Critical patent/EP0747223B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
    • B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
    • B41J2/01—Ink jet
    • B41J2/17—Ink jet characterised by ink handling
    • B41J2/175—Ink supply systems ; Circuit parts therefor
    • B41J2/17503—Ink cartridges
    • B41J2/17513—Inner structure

Abstract

A thermal ink jet printhead cartridge employs open-cell malamine-formaldehyde foam in its ink reservoir. This foam is precoated with unsubstituted polyparaxylylene or polychloroparaxylylene to immobilize loose fiber and thereby prevent nozzle blockage.
EP19960304067 1995-06-06 1996-06-04 Ink reservoir with coated open-cell foam Expired - Lifetime EP0747223B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US46909995A 1995-06-06 1995-06-06
US469099 1995-06-06

Publications (3)

Publication Number Publication Date
EP0747223A2 EP0747223A2 (en) 1996-12-11
EP0747223A3 true EP0747223A3 (en) 1998-03-04
EP0747223B1 EP0747223B1 (en) 2000-09-06

Family

ID=23862413

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19960304067 Expired - Lifetime EP0747223B1 (en) 1995-06-06 1996-06-04 Ink reservoir with coated open-cell foam

Country Status (3)

Country Link
EP (1) EP0747223B1 (en)
JP (1) JPH09104122A (en)
DE (1) DE69610154T2 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299866A (en) * 1979-07-31 1981-11-10 International Business Machines Corporation Coating process mask
US4334971A (en) * 1980-03-27 1982-06-15 Basf Aktiengesellschaft Manufacture of resilient foams based on a melamine-formaldehyde condensate
US4824487A (en) * 1987-07-10 1989-04-25 Hewlett-Packard Company Cleaning of polyurethane foam reservoir
US4929969A (en) * 1989-08-25 1990-05-29 Eastman Kodak Company Ink supply construction and printing method for drop-on-demand ink jet printing
US4973504A (en) * 1987-04-13 1990-11-27 The West Company Incorporated Pharmaceutical elastomeric coating
US5182579A (en) * 1990-07-10 1993-01-26 Canon Kabushiki Kaisha Ink-jet having ink storing absorbant material

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4299866A (en) * 1979-07-31 1981-11-10 International Business Machines Corporation Coating process mask
US4334971A (en) * 1980-03-27 1982-06-15 Basf Aktiengesellschaft Manufacture of resilient foams based on a melamine-formaldehyde condensate
US4973504A (en) * 1987-04-13 1990-11-27 The West Company Incorporated Pharmaceutical elastomeric coating
US4824487A (en) * 1987-07-10 1989-04-25 Hewlett-Packard Company Cleaning of polyurethane foam reservoir
US4929969A (en) * 1989-08-25 1990-05-29 Eastman Kodak Company Ink supply construction and printing method for drop-on-demand ink jet printing
US5182579A (en) * 1990-07-10 1993-01-26 Canon Kabushiki Kaisha Ink-jet having ink storing absorbant material

Also Published As

Publication number Publication date
DE69610154D1 (en) 2000-10-12
JPH09104122A (en) 1997-04-22
EP0747223A2 (en) 1996-12-11
DE69610154T2 (en) 2001-04-12
EP0747223B1 (en) 2000-09-06

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