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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 11034103 B1

PDFFull Text
Date of Patent:
Jun. 15, 2021

Filed:

Sep. 05, 2018

Fiber-reinforced plastic and production method therefor

Applicant:

Mitsubishi Chemical Corporation, Tokyo, JP;

Inventors:

Masao Tomioka, Toyohashi, JP;

Takeshi Ishikawa, Toyohashi, JP;

Takayuki Kobayashi, Toyohashi, JP;

Assignee:

Mitsubishi Chemical Corporation, Tokyo, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

Camie S Thompson

Int. Cl.
CPC ...
B29C 70/50 (2006.01); B29C 43/18 (2006.01); B29C 43/28 (2006.01); B29C 43/34 (2006.01); B29C 70/46 (2006.01); B29C 70/48 (2006.01); B29C 70/88 (2006.01); B29K 105/08 (2006.01); B29C 43/46 (2006.01); B29C 43/48 (2006.01); B29K 105/10 (2006.01); B29C 35/10 (2006.01); B29C 35/08 (2006.01);
U.S. Cl.
CPC ...
B29C 70/50 (2013.01); B29C 43/18 (2013.01); B29C 43/28 (2013.01); B29C 43/34 (2013.01); B29C 70/46 (2013.01); B29C 70/48 (2013.01); B29C 70/504 (2013.01); B29C 70/887 (2013.01); B29C 35/10 (2013.01); B29C 43/46 (2013.01); B29C 2035/0822 (2013.01); B29C 2043/483 (2013.01); B29C 2793/0036 (2013.01); B29K 2105/0872 (2013.01); B29K 2105/0881 (2013.01); B29K 2105/105 (2013.01);
Abstract

A production method for fiber-reinforced plastic, includes: a step in which a material (A) including a prepreg base material is obtained, said prepreg base material having cuts therein and having a thermoplastic resin impregnated in reinforcing fibers arranged in parallel in one direction; a step in which a pressurizing device is used that applies a substantially uniform pressure in a direction (X) orthogonal to the travel direction of the material (A) and the material (A) is caused to travel in the one direction and is pressurized while being heated to a prescribed temperature (T), an angle (θ) of −20° to 20° being formed between the orthogonal direction (X) and a fiber axial direction (Y) for the reinforcing fibers of the prepreg base material; and a step in which the material (A) pressurized by the pressurizing device is cooled and the fiber-reinforced plastic is obtained.

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