The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 11517922 B1

Date of Patent:

Dec. 06, 2022

Filed:

Nov. 29, 2018

Liquid discharge apparatus, imprint apparatus, and method

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Tsuyoshi Arai, Utsunomiya, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Venable LLP

Primary Examiner:

Tuongminh N Pham

Int. Cl.

CPC ...

B05B 1/28 (2006.01); B05B 1/32 (2006.01); B05B 15/40 (2018.01); B05B 15/50 (2018.01); G03F 7/20 (2006.01); G03F 7/00 (2006.01); G03F 7/16 (2006.01);

U.S. Cl.

CPC ...

B05B 1/28 (2013.01); B05B 1/323 (2013.01); B05B 15/40 (2018.02); B05B 15/50 (2018.02); G03F 7/0002 (2013.01); G03F 7/2002 (2013.01); G03F 7/16 (2013.01);

Abstract

A liquid discharge apparatus includes: a discharge head including a discharge portion configured to discharge a liquid; a cap configured to cap the discharge portion; a suction unit configured to suck an interior of the cap through a first fluid passage communicating with the interior of the cap in a state in which the cap caps the discharge portion; an open/close unit configured to open/close a second fluid passage communicating with the interior of the cap, the open/close unit being set in an open state when a negative pressure state of the interior of the cap, which is generated by suction by the suction unit, is canceled; and a filter arranged in the second fluid passage.

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