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公开(公告)号：US3922899A
公开(公告)日：1975-12-02
申请号：US48642874
申请日：1974-07-08
Applicant: AEROSPATIALE
IPC: B21D47/00
CPC classification number: B21D47/00 , Y10T428/24149
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.
Abstract translation: 本发明提供一种形成夹心材料的方法。 受到成形应力的区域被局部加热，使得在该区域中控制容许应力极限的皮肤金属的强度性能不断地被监测，而整个结构都不会被氧化。
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Patent Agency Ranking
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公开(公告)号：DE2306724A1
公开(公告)日：1973-08-23
申请号：DE2306724
申请日：1973-02-12
Applicant: AEROSPATIALE
IPC: B21D13/04
Abstract: In order to corrugate or pleat between forming rolls sheet metal irrespective of its ductility while containing the blister formed at the end of the corrugation or pleat in the course of formation, the sheet is heated locally, at a short distance upstream of the rolls, to a temperature capable of rendering the sheet ductile. The rolls are protected against harmful heating by the distance between the heating region and the forming rolls.
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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：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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