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Patent Agency Ranking
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公开(公告)号：DE2310392A1
公开(公告)日：1973-09-13
申请号：DE2310392
申请日：1973-03-02
Applicant: AEROSPATIALE
Inventor： DENIS JEAN FRANCOIS , DZALBA-LYNDIS SERGE YVAN , FREMONT MAURICE HENRI LOUIS , MORLAND JEAN-PIERRE JULIEN MAR , KRAJEWSKI EDWARD
Abstract: A welding machine for fabricating metal sandwich panels having corrugated core, comprising a set of rules for offering up the core, TIG welding blowpipes positioned in a channel at the location where the core is covered with skin strip, HF-ignition welding generators, HF generators in immediate vicinity to the blowpipes, a weld sequencing block, said machine being disposed in order that the core strip is covered subsequent to being corrugated and is then welded beneath the TIG welding blowpipes, electrodes being positioned outside the core.
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公开(公告)号：DE2432929A1
公开(公告)日：1975-01-30
申请号：DE2432929
申请日：1974-07-09
Applicant: AEROSPATIALE
Abstract: The invention provides a method of forming sandwich materials. The area subjected to forming stresses is heated locally in such manner that the strength properties of the skin metals governing the permissible stress limits in that area are constantly monitored without the structure as a whole being subjected to oxidation.
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公开(公告)号：DE2402902A1
公开(公告)日：1974-08-01
申请号：DE2402902
申请日：1974-01-22
Applicant: AEROSPATIALE
IPC: F16L55/02 , F16L55/027 , F02K1/26
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公开(公告)号：DE2334048A1
公开(公告)日：1974-01-24
申请号：DE2334048
申请日：1973-07-04
Applicant: AEROSPATIALE
Abstract: The invention proposes a solution to the problem of noise damping and cooling in high-temperature zones in turbojet exhaust ducts.
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