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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 11358312 B1

PDFFull Text
Date of Patent:
Jun. 14, 2022

Filed:

Dec. 28, 2017

Method for manufacturing interdental cleaner

Applicant:

Kobayashi Pharmaceutical Co., Ltd., Osaka, JP;

Inventor:

Tasuku Kikkawa, Osaka, JP;

Assignee:

KOBAYASHI PHARMACEUTICAL CO., LTD., Osaka, JP;

Attorney:

Kratz, Quintos & Hanson, LLP

Primary Examiner:

Benjamin A Schiffman

Int. Cl.
CPC ...
B29C 45/16 (2006.01); A61C 15/02 (2006.01); A46D 3/00 (2006.01); A46B 9/04 (2006.01); A46B 3/04 (2006.01); B29C 45/00 (2006.01); A46B 5/02 (2006.01); A46B 15/00 (2006.01); B29C 45/26 (2006.01); B29L 31/42 (2006.01); B29K 21/00 (2006.01); B29K 309/08 (2006.01); B29K 509/02 (2006.01);
U.S. Cl.
CPC ...
B29C 45/16 (2013.01); A46B 3/04 (2013.01); A46B 5/02 (2013.01); A46B 9/04 (2013.01); A46D 3/00 (2013.01); A61C 15/02 (2013.01); B29C 45/0005 (2013.01); A46B 15/0069 (2013.01); A46B 15/0093 (2013.01); A46B 2200/108 (2013.01); B29C 45/1676 (2013.01); B29C 45/2626 (2013.01); B29C 2045/1692 (2013.01); B29K 2021/00 (2013.01); B29K 2309/08 (2013.01); B29K 2509/02 (2013.01); B29L 2031/425 (2013.01);
Abstract

To provide method for manufacturing interdental cleaner configured to suppress leakage of elastomer from space for forming slip resistance portion in mold to outside of space in step of filling elastomer into mold. Method for manufacturing interdental cleaner includes first step of molding base portion having handle portion and shaft portion () by filling composite material into first mold, and second step of forming cleaning portion and slip resistance portion by filling elastomer into second mold () with the base portion situated in second mold (). In first step, what is molded has handle portion including base (), recessed portion (), and bulge portion () bulging from surface of the recessed portion (). In second step, cleaning portion and slip resistance portion are formed by filling elastomer into second space from portion of base portion distant from bulge portion () toward shaft portion ().

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