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.:
Date of Patent:
Oct. 23, 2018
Filed:
Jun. 26, 2015
Applicant:
Kuraray Co., Ltd., Kurashiki-shi, JP;
Inventors:
Hideki Kamada, Okayama, JP;
Teruyuki Itami, Okayama, JP;
Toshiaki Ikimine, Okayama, JP;
Yohei Nishiumi, Okayama, JP;
Shohei Shibata, Okayama, JP;
Toshiji Kashiwagi, Osaka, JP;
Assignee:
KURARAY CO., LTD., Kurashiki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
D02J 1/22 (2006.01); B29C 55/04 (2006.01); D02J 13/00 (2006.01); D01D 10/04 (2006.01); D01D 5/16 (2006.01);
U.S. Cl.
CPC ...
D02J 1/225 (2013.01); B29C 55/04 (2013.01); D01D 5/16 (2013.01); D01D 10/0445 (2013.01); D02J 1/224 (2013.01); D02J 1/226 (2013.01); D02J 1/228 (2013.01); D02J 13/005 (2013.01);
Abstract
A drawing device for drawing a drawable material, the drawing device comprising at least a pair of tapered rollers each having a taper ratio in a range of 0.035 to 0.50, wherein the taper ratio is represented by (β−α)/2L, where β denotes a maximum diameter of the roller, α denotes a minimum diameter of the roller, and L denotes a length of a tapered portion of the roller.