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Title:
MOLD, FABRICATION METHOD FOR ASSEMBLED PREFORMED STRUCTURE AND FABRICATION METHOD FOR WALLBOARD STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2021/032150
Kind Code:
A1
Abstract:
A mold, a fabrication method for an assembled preformed structure and a fabrication method for a wallboard structure, the mold for the preforming of a U-shaped stringer comprising a base (1), a rigid mold (2) and an elastic mold (3), wherein the rigid mold (2) is detachably arranged on the base (1); the rigid mold (2) is a U-shaped structure and is wrapped on three adjacent outer sidewalls of the base (1); the elastic mold (3) is placed on the rigid mold (2) and is a U-shaped structure; and the elastic mold (3) is wrapped on the outer sidewalls of the rigid mold (2).

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Inventors:
CONG JINGJIE (CN)
LI XING (CN)
WANG YIFAN (CN)
WEN SHUNDA (CN)
WU DECAI (CN)
XU DONGMING (CN)
Application Number:
PCT/CN2020/110183
Publication Date:
February 25, 2021
Filing Date:
August 20, 2020
Export Citation:
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Assignee:
BEIJING AERONAUTICAL SCIENCE & TECH RESEARCH INSTITUTE COMMERCIAL AIRCRAFT CORPORATION OF CHINA (CN)
COMMERCIAL AIRCRAFT CORP CN (CN)
International Classes:
B29B11/06; B29C33/30; B29C65/70; B29C70/34; B29L31/30
Foreign References:
CN110480884A2019-11-22
CN107415280A2017-12-01
CN104210670A2014-12-17
CN103042700A2013-04-17
RU2333832C22008-09-20
CN201910778862A2019-08-22
Other References:
See also references of EP 4019220A4
Attorney, Agent or Firm:
BEYOND ATTORNEYS AT LAW (CN)
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