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Title:
SANDWICH STRUCTURE, MOLDED OBJECT, AND PRODUCTION PROCESSES THEREFOR
Document Type and Number:
WIPO Patent Application WO/2017/115640
Kind Code:
A1
Abstract:
A sandwich structure which is configured of skin layers each comprising at least one layer selected from among a metal layer, a fiber-reinforced resin layer (X) that comprises continuous fibers and a matrix resin (A), and a fiber-reinforced resin layer (Y) that comprises discontinuous fibers and a heat-curable matrix resin (B) and of a core layer comprising a flowable core layer that comprises discontinuous fibers and a matrix resin (C), wherein the skin layers are constituted of a material which has a flexural modulus higher than that of the core layer, and a through part has been formed in a region that lies in at least some of the skin layers. In the sandwich structure, an upright part which projects outward from the skin layer(s) and which has high strength and a complicated shape such as a rib is obtained by an easy method. The sandwich structure is lightweight, has high strength and high rigidity, and warps little. A molded object and processes for producing the sandwich structure and the molded object are also provided.

Inventors:
SASAKI HIDEAKI (JP)
NUDESHIMA HIDEKI (JP)
ONISHI TAKAYUKI (JP)
Application Number:
PCT/JP2016/086886
Publication Date:
July 06, 2017
Filing Date:
December 12, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
TORAY INDUSTRIES (JP)
International Classes:
B32B5/28; B29C43/20; B29C70/06; B32B5/14; B32B7/022; B32B37/10; B32B38/10
Domestic Patent References:
WO2015194349A12015-12-23
WO2015029634A12015-03-05
Foreign References:
JP2001253001A2001-09-18
JPH06120627A1994-04-28
JP2008051224A2008-03-06
JP2005313613A2005-11-10
JP2012148443A2012-08-09
JP2014172241A2014-09-22
JP2013176984A2013-09-09
JP2016078433A2016-05-16
JP2016043680A2016-04-04
Other References:
See also references of EP 3398767A4
Attorney, Agent or Firm:
BAN Toshimitsu et al. (JP)
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