DRAW FORMING APPARATUS FOR OUTER CASE OF VIBRATION-PROOF BUSH

PROBLEM TO BE SOLVED: To prevent occurrence of loud abnormal noise and reduction of durability, by reducing striking impact between a die holder 4 and a pressing block 7 and suppressing loss of accuracy in draw forming, when shortening a draw forming time of a vibration-proof bush B using a comparat...

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Bibliographische Detailangaben
1. Verfasser: OYAMA SEIICHI
Format: Patent
Sprache:eng
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