Title:
METHOD FOR PRODUCING PRESS-MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2020/196075
Kind Code:
A1
Abstract:
The present invention provides a method for producing a press-molded body, the method having: a step for placing a material X in a mold; a step for closing the mold and injecting a material Y, which is a kneaded material, into the mold after pressure has begun to be applied to part of the material X; and a step for cold-pressing the material X and the material Y in the mold to integrally mold these materials, wherein the material X is cut from a composite material M that includes carbon fibers A having a weight-average fiber length LwA and a thermoplastic resin RX, the material Y includes carbon fibers B having a weight-average fiber length LwB and a thermoplastic resin RY, LwB < LwA, and LwA is 1-100 mm inclusive.
Inventors:
YOKOYAMA KEIZO (JP)
Application Number:
PCT/JP2020/011603
Publication Date:
October 01, 2020
Filing Date:
March 17, 2020
Export Citation:
Assignee:
TEIJIN LTD (JP)
International Classes:
B29C69/00
Domestic Patent References:
| WO2016104416A1 | 2016-06-30 | |||
| WO2016167349A1 | 2016-10-20 |
Foreign References:
| JP2018192730A | 2018-12-06 | |||
| JP2012232506A | 2012-11-29 | |||
| JP2004502570A | 2004-01-29 | |||
| JP2010253938A | 2010-11-11 | |||
| JP2018122573A | 2018-08-09 | |||
| US20190016016A1 | 2019-01-17 | |||
| US8946342B2 | 2015-02-03 |
Other References:
See also references of EP 3950282A4
Attorney, Agent or Firm:
TAMEYAMA Taro (JP)
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