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.

Date of Patent:
May. 12, 2020

Filed:

Feb. 01, 2019
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Atsushi Omura, Kawasaki, JP;

Kazuhiko Okito, Hiratsuka, JP;

Yukuo Yamaguchi, Tokyo, JP;

Kyosuke Toda, Kawasaki, JP;

Keiichiro Tsukuda, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B29C 45/16 (2006.01); B01D 29/01 (2006.01); B29C 45/00 (2006.01); B01D 39/20 (2006.01); B01D 29/52 (2006.01); B29L 31/00 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17563 (2013.01); B01D 29/01 (2013.01); B29C 45/006 (2013.01); B29C 45/16 (2013.01); B01D 29/52 (2013.01); B01D 39/2041 (2013.01); B01D 2239/1233 (2013.01); B29C 2045/0063 (2013.01); B29C 2045/0067 (2013.01); B29L 2031/767 (2013.01); B29L 2031/7678 (2013.01);
Abstract

Peripheral portion of filters includes short-side portions and long-side portions. A first component and a second component each include a first holding section and a second holding section, the long-side portion of the filter being compressively held between the first holding sections, and the short-side portion of the filter being compressively held between the second holding sections. At least one of the first component and the second component includes a wall portion configured to isolate the long-side portion and the resin from each other. The short-side portion and the resin are in contact with each other.


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