Process for manufacturing a ski

Details Process for manufacturing a ski Process for manufacturing a ski

1988-02-22

1993-02-02

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Mechanical shaping or molding to form or reform shaped article

To produce composite, plural part or multilayered article

264258, 264320, 280610, B29C 4300

Patent

active

051836181

ABSTRACT:
A process for manufacturing a ski, and a ski manufactured by the process. The process according to the invention includes at least the following steps for manufacturing a ski whose body includes a core covered with a shell, wherein the shell is a composite sub-assembly: positioning the sub-assembly adjacent the cavity of a mold; positioning the core adjacent the shell; and exerting a force against the core to thereby force the shell within the mold cavity. In a preferred embodiment, the sub-assembly includes at least one layer of a filling material, preferably a thermoplastic material, which is caused to soften and flow under predetermined temperature and pressure conditions. In a modified embodiment, the mold cavity includes a depression or a projection on, for example, its lower surface which thereby produces a corresponding projection or depression, respectively, on the upper surface of the ski. By virtue of such a molding process, a variety of skis having various cross-sections and compositions are possible. For example, the upper edges of the skis thus manufactured can be reinforced with elements embedded in the filling material of which the edges can be made. Likewise, shock-absorbing material can be embedded within the aforementioned projections which can be made on the upper surface of the ski.

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