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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 10189212 B1

PDFFull Text
Expired
Date of Patent:
Jan. 29, 2019

Filed:

Nov. 08, 2016

Porous stamp material for laser processing, porous stamp using the same, and method of manufacturing the same

Applicants:

Glory Industry Co., Ltd., Sennan, Osaka, JP;

Sunlux Co., Ltd., Osaka, JP;

Inventors:

Yoshitomo Tanaka, Izumisano, JP;

Masato Kitahara, Osaka, JP;

Assignees:

Glory Industry Co., Ltd., Osaka, JP;

Sunlux Co., Ltd., Osaka, JP;

Attorney:

Kelly & Kelley, LLP

Primary Examiner:

Joshua D Zimmerman

Int. Cl.
CPC ...
B41K 1/50 (2006.01); B29C 67/20 (2006.01); B29C 47/00 (2006.01); B29B 9/06 (2006.01); B29C 47/92 (2006.01); B29K 101/12 (2006.01); B29L 31/00 (2006.01); B29K 223/00 (2006.01); B29K 23/00 (2006.01);
U.S. Cl.
CPC ...
B29C 67/202 (2013.01); B29B 9/06 (2013.01); B29C 47/0009 (2013.01); B29C 47/92 (2013.01); B29C 47/0011 (2013.01); B29C 47/0021 (2013.01); B29C 47/0061 (2013.01); B29C 2947/92704 (2013.01); B29K 2023/06 (2013.01); B29K 2023/12 (2013.01); B29K 2101/12 (2013.01); B29K 2223/083 (2013.01); B29L 2031/767 (2013.01);
Abstract

The invention provides a porous stamp material for laser processing that is available for continuous extrusion molding. A material including at least 100 parts by weight of thermoplastic resin, 50-250 parts by weight of hydroxylated compound whose dehydration starting temperature is 100 to 500° C., and water-soluble pore-forming material that has 10-60 μm average particle diameter is mixed to obtain a mixed material. The obtained mixed material is extruded to obtain an extrusion molded product. The obtained extrusion molded product is processed with an aqueous solvent to elute the water-soluble pore-forming material, thereby yielding a porous stamp material that has continuous pores having 10-60 μm pore diameter. The obtained porous stamp material is laser-processed to manufacture a stamp.

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Tanaka, Yoshitomo. (2019). Porous stamp material for laser processing, porous stamp using the same, and method of manufacturing the same (U.S. Patent No. 10189212). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/10189212

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