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:
Nov. 28, 2023

Filed:

Apr. 29, 2020
Applicant:

Hankuk Carbon Co., Ltd., Gyeongsangnam-do, KR;

Inventors:

Jeong Cheol Kim, Gyeongsangnam-do, KR;

Min Gyu Kim, Gyeongsangnam-do, KR;

Seung Woo Lee, Gyeongsangnam-do, KR;

Byeong Min Choi, Buson, KR;

Assignee:

Hankuk Carbon Co., Ltd., Gyeongsangnam-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29C 44/34 (2006.01); B32B 5/24 (2006.01); B32B 5/20 (2006.01); B32B 5/14 (2006.01); B32B 3/30 (2006.01); B32B 5/08 (2006.01); B29C 44/12 (2006.01); B29C 69/00 (2006.01); B29C 70/44 (2006.01); B29C 70/48 (2006.01); B32B 5/12 (2006.01); B32B 7/04 (2019.01); B32B 27/12 (2006.01); B29L 9/00 (2006.01); B29L 31/30 (2006.01);
U.S. Cl.
CPC ...
B32B 5/245 (2013.01); B29C 44/1266 (2013.01); B29C 44/34 (2013.01); B29C 69/001 (2013.01); B29C 70/44 (2013.01); B29C 70/443 (2013.01); B29C 70/48 (2013.01); B32B 3/30 (2013.01); B32B 5/08 (2013.01); B32B 5/12 (2013.01); B32B 5/145 (2013.01); B32B 5/20 (2013.01); B32B 7/04 (2013.01); B32B 27/12 (2013.01); B29L 2009/00 (2013.01); B29L 2031/30 (2013.01); B32B 2250/02 (2013.01); B32B 2250/03 (2013.01); B32B 2250/40 (2013.01); B32B 2260/021 (2013.01); B32B 2260/046 (2013.01); B32B 2262/02 (2013.01); B32B 2262/0261 (2013.01); B32B 2262/101 (2013.01); B32B 2262/106 (2013.01); B32B 2262/14 (2013.01); B32B 2266/025 (2013.01); B32B 2266/0228 (2013.01); B32B 2266/0278 (2013.01); B32B 2266/0285 (2013.01); B32B 2305/022 (2013.01); B32B 2305/08 (2013.01); B32B 2307/304 (2013.01); B32B 2307/546 (2013.01); B32B 2307/552 (2013.01); B32B 2605/00 (2013.01);
Abstract

A method of forming a vehicle sandwich structure composed of a foamed resin article in sheet form forming the core, a fiber-reinforced composite layer forming a surface material that is located on one or both sides of the foamed resin article in thickness direction; forming a binding layer of core and surface materials between the foamed resin article and the fiber-reinforced composite layer; a large number of glass fibers being inserted within said foamed resin article; more than 70% of total glass fibers being the glass fibers which form an angle between the longitudinal direction of each glass fiber and said foamed resin article, the angle of which satisfying a range from 45° to 90°.


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