发明名称 METHOD FOR MAKING TROUGH-LIKE ARTICLES
摘要 FIELD: plastic metal working. ^ SUBSTANCE: method comprises steps of matching two similar sheet blanks one to other; clamping them along cross and longitudinal edges by means of uniformly distributed discrete clamping members; deforming blanks by feeding between them compressed air; disconnecting deformed blanks and shaping their longitudinal edges. Preliminarily discrete lengthwise corrugations are formed in flat sheet blanks. Longitudinal edges are formed as segmented ones by means of cold deforming of them on article with use of punch. ^ EFFECT: improved process for making metallic thin-wall articles, enlarged assortment of articles due to different configuration of their mean and lengthwise end portions. ^ 5 dwg
申请公布号 RU2247620(C1) 申请公布日期 2005.03.10
申请号 RU20030126081 申请日期 2003.08.25
申请人 发明人 DENISOVA A.P.;RASHCHEPKINA S.A.;ZEMLJANSKIJ A.A.;RASHCHEPKINA A.A.;SAZONOVA E.V.
分类号 B21D26/02;B21D21/00 主分类号 B21D26/02
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