Method for blow down hydroforming sheet material

Details Method for blow down hydroforming sheet material Method for blow down hydroforming sheet material

1997-04-09

1999-08-03

Timm, Catherine

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Starting material is nonhollow planar finite length preform...

4253871, B29C 5110

Patent

active

059321679

ABSTRACT:
A method for blow down hydroforming sheet material includes hydraulically inflating a seal intermediate a pair of wall members and disposed between a platen and a table in circumscribing relationship with a cavity formed in the platen to seal the cavity and injecting gas into the cavity to urge conformance of the sheet material with a mold placed upon the table.

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