Manufacturing method for a composite coil spring

Metal working – Method of mechanical manufacture – Spring making

Reexamination Certificate

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Details

C029S896910, C029S896920, C029S896930, C148S580000, C264S281000, C264S313000, C425S577000

Reexamination Certificate

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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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