METHOD FOR PROCESSING FRAME OF STRUCTURE AND METAL MOLD THEREOF

PROBLEM TO BE SOLVED: To provide a method for processing a frame which integrally molds a connection part from a sheet metal material and is for a structure that can be processed at low cost, and its metal mold.SOLUTION: As shown in Fig.5, the angle of an opening part 33 of a groove shape part 3 is...

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1. Verfasser: TORYU KOJI
Format: Patent
Sprache:eng ; jpn
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