Metal working – Method of mechanical manufacture – Spring making
Reexamination Certificate
2006-01-17
2006-01-17
Omgba, Essama (Department: 3726)
Metal working
Method of mechanical manufacture
Spring making
C029S896910, C029S896920, C029S896930, C148S580000, C264S281000, C264S313000, C425S577000
Reexamination Certificate
active
06986203
ABSTRACT:
A manufacturing method for a composite coil spring includes the following steps: preparing a mold, winding a coil former around a mandrel of the mold, winding composite material pre-preg, compressing and heating, opening the mold and detaching the mandrel and the coiled coil former.
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Omgba Essama
Rosenberg , Klein & Lee
Union Composites Co., Ltd.
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