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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 9097154 B1

PDFFull Text
Date of Patent:
Aug. 04, 2015

Filed:

Jun. 24, 2010

Production method of ceramic honeycomb filter

Applicants:

Toyohide Kumagae, Miyako-gun, JP;

Shinya Tokumaru, Miyako-gun, JP;

Hirohisa Suwabe, Moka, JP;

Inventors:

Toyohide Kumagae, Miyako-gun, JP;

Shinya Tokumaru, Miyako-gun, JP;

Hirohisa Suwabe, Moka, JP;

Assignee:

HITACHI METALS, LTD., Tokyo, JP;

Attorney:

Browdy and Neimark, PLLC

Primary Examiner:

Yogendra Gupta

Assistant Examiner:

Ninh Le

Int. Cl.
CPC ...
B29C 45/14 (2006.01); F01N 3/022 (2006.01); C04B 38/00 (2006.01); B28B 11/00 (2006.01); B28B 11/18 (2006.01); C04B 35/195 (2006.01);
U.S. Cl.
CPC ...
F01N 3/0222 (2013.01); B28B 11/006 (2013.01); B28B 11/007 (2013.01); B28B 11/18 (2013.01); C04B 35/195 (2013.01); C04B 38/0006 (2013.01); C04B 38/0012 (2013.01); Y02T 10/20 (2013.01);
Abstract

A method for producing a ceramic honeycomb filter having predetermined plugs comprising immersing the end portions of a ceramic honeycomb structure having large numbers of flow paths, with its end surface covered with a mask provided with holes only at positions corresponding to the predetermined flow paths, in a plugging material slurry, so that the plugging material slurry is introduced into the end portions of the predetermined flow paths, and removing plugging material protrusions formed in the flow paths that should not be plugged.

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Kumagae, Toyohide. (2015). Production method of ceramic honeycomb filter (U.S. Patent No. 9097154). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9097154

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