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:
Dec. 31, 2024

Filed:

Jun. 02, 2020
Applicant:

Toyobo Co., Ltd., Osaka, JP;

Inventors:

Ryo Umeki, Shiga, JP;

Yoshitaka Ayuzawa, Shiga, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29B 9/06 (2006.01); B29B 9/14 (2006.01); B29K 77/00 (2006.01); B29K 309/02 (2006.01); B29K 309/08 (2006.01);
U.S. Cl.
CPC ...
B29B 9/065 (2013.01); B29B 9/14 (2013.01); B29K 2077/00 (2013.01); B29K 2309/02 (2013.01); B29K 2309/08 (2013.01);
Abstract

A pellet production method comprising: an operation in which a strand comprising a composition containing thermoplastic resin and reinforcing material is extruded from an orifice at a die; an operation in which the strand is drawn into water within a tank and is cooled; and an operation in which the cooled strand is cut to obtain a pellet; wherein at least one first guide roller for guiding the strand within the tank is provided within the tank, and an angle made by portions of the strand that are ahead of and behind that first guide roller which is in an upstreammost location is not less than 90° but is less than 180°; and wherein a ratio of a diameter of the pellet to a diameter of the orifice (diameter of the pellet/diameter of the orifice) is 0.45 to 0.80.


Find Patent Forward Citations

Loading…