IIIIIIIH
US006412932B1
(12) United States Patent ao) Patent No.: us 6,412,932 Bi
Higuma et al. (45) Date of Patent: Jul. 2,2002
(54) INK CONTAINER, INK JET HEAD HAVING INK CONTAINER, INK JET APPARATUS HAVING INK CONTAINER, AND MANUFACTURING METHOD FOR INK CONTAINER
(75) Inventors: Masahiko Higuma, Tohgane; Hiroshi Sugitani, Machida; Masami Ikeda,
Yokohama, all of (JP)
(73) Assignee: Canon Kabushiki Kaisha, Tokyo (JP)
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 09/636,644
(22) Filed: Aug. 16, 2000
Related U.S. Application Data
(62) Division of application No. 08/498,870, filed on Jul. 6,1995, now Pat. No. 6,137,512.
(30) Foreign Application Priority Data
Jul. 6, 1994 (JP) 6-155076
Jul. 6, 1994 (JP) 6-179505
(51) Int. C I. B41J 2/175
(52) U.S. C I 347/86
(58) Field of Search 347/84, 85, 86,
347/87; 65/1; 264/42; 401/199
(56) References Cited
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4,340,897 A 7/1982 Miller 347/33
4,838,723 A * 6/1989 Suzuki et al 401/199
4,929,969 A 5/1990 Morris 347/87
4,973,992 A 11/1990 Owatari 347/86
5,381,172 A 1/1995 Ujita et al 347/86
5,421,658 A 6/1995 Suzuki et al 400/124.1
5,489,932 A * 2/1996 Ceschin et al 347/87
5,509,140 A 4/1996 Koitabashi 347/86
5,709,827 A * 1/1998 Anderson et al 264/42
FOREIGN PATENT DOCUMENTS
AU 52393/93 12/1992 B41J/2/175
CA 2290700 7/1993
DE 3732797 4/1988 B41J/27/00
EP 488829 12/1991 B41J/2/175
EP 536980 6/1992 B41J/2/175
EP 529625 8/1992 B41J/2/175
EP 562733 3/1993 B41J/2/175
EP 571151 5/1993 B41J/2/175
EP 577439 7/1993 B41J/2/175
EP 658431 12/1994 B41J/2/175
GB 514638 11/1939
JP 2-34353 2/1990 B41J/3/04
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JP 4-290752 10/1992 B41J/2/175
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JP 5-104735 4/1993 B41J/2/175
JP 6-15839 1/1994 B41J/2/175
JP 6-79882 3/1994 B41J/2/175
WO 91/04861 4/1991 B41J/2/175
* cited by examiner
Primary Examiner—Anh T. N. Vo
(74) Attorney, Agent, or Firm—Fitzpatrick, Cella, Harper & Scinto
