Title:
PRESTRESSED STRUCTURE FOR AIRCRAFT AND THE METHOD OF PRODUCING THE SAME
Document Type and Number:
WIPO Patent Application WO/1998/015455
Kind Code:
A1
Abstract:
The load-bearing elements of the aircraft such as fuselage, longeron, stringer, bulkhead, covering, floor, horizontal stabilizer, vertical stabilizer, are fully partially made of prestressed structure comprising a pre-pressed member and a pre-tensioned member, and adding the filler to form units, the prestressed structure is obtained by producing a prestress greater than the maximum permissible stress and less than the yield strength during the manufacture and assembly, so it can improve the fatigue strength and the fracture resistance, and reduce the weight of the aircraft and the cost of manufacture.
Inventors:
WANG XINYUN (CN)
Application Number:
PCT/CN1997/000095
Publication Date:
April 16, 1998
Filing Date:
September 26, 1997
Export Citation:
Assignee:
WANG XINYUN (CN)
International Classes:
B64C1/00; B64C1/06; B64C1/10; B64C3/18; (IPC1-7): B64C1/06
Foreign References:
| GB702981A | 1954-01-27 | |||
| DE952594C | 1956-11-15 | |||
| US4790722A | 1988-12-13 | |||
| US2749061A | 1956-06-05 | |||
| US2351121A | 1944-06-13 | |||
| US2242147A | 1941-05-13 | |||
| GB581142A | 1946-10-02 | |||
| GB573725A | 1945-12-04 |
Attorney, Agent or Firm:
SHANGHAI HUA DONG PATENT AGENCY (Shanghai 1, CN)
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