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Patent Searching and Data


Title:
CONNECTION DIAPHRAGM USING POROUS DOUBLE LIGHTWEIGHT PANEL
Document Type and Number:
WIPO Patent Application WO/2019/225971
Kind Code:
A1
Abstract:
A connection diaphragm using a porous double lightweight panel comprises: an outer diaphragm comprising first and second outer layers overlapping while being spaced apart from each other by a predetermined distance; and an inner diaphragm formed inside the outer diaphragm, the inner diaphragm comprising first and second inner layers overlapping while being spaced apart from each other by a predetermined distance. The first outer layer has multiple first U-shaped sections connected to each other, the sections having center portions protruding outward. The second outer layer has multiple second U-shaped sections connected to each other, the sections having center portions protruding outward. The first inner layer has multiple third U-shaped sections connected to each other, the sections having center portions protruding inward. The second inner layer has multiple fourth U-shaped sections connected to each other, the sections having center portions protruding inward.

Inventors:
NOH HEEMIN (KR)
JANG SEUNG-HO (KR)
KIM JAECHUL (KR)
KO SANGWON (KR)
Application Number:
PCT/KR2019/006149
Publication Date:
November 28, 2019
Filing Date:
May 24, 2019
Export Citation:
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Assignee:
KOREA RAILROAD RES INSTITUTE (KR)
International Classes:
B61D17/22; B60D5/00
Foreign References:
KR20090115285A2009-11-05
CN2561648Y2003-07-23
US20170247119A12017-08-31
KR101465528B12014-11-26
KR101567678B12015-11-10
KR20000013651U2000-07-15
KR20040008936A2004-01-31
Attorney, Agent or Firm:
KIM, Min-tae (KR)
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