Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – Agglomeration or accretion
Patent
1992-11-23
1994-10-18
Schofer, Joseph L.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
Agglomeration or accretion
264320, 264322, 264158, 528503, H05B 600
Patent
active
053565738
ABSTRACT:
A high performance ski base material is made of ultra high molecular weight polyethylene having a molecular weight of at least 500,000. After heating, quenching and light tensioning operations, this material exhibits low crystallinity and high transparency characteristics. Such material is ideal for professional high speed skis because of its excellent wax retention quality. The invented ski base material is ideally suited for product-identity purposes because of its outstanding ability to clearly reveal detailed inscriptions placed on the running surface of a ski board.
REFERENCES:
patent: 3944536 (1976-03-01), Luptun et al.
patent: 5037928 (1991-08-01), Li et al.
PTO Translation of JP 61-82772.
Renfrew and Morgan, Polythene (The Technology and Uses of Ethylene Polymers). First Ed., pp. 91-118.
French Search Report dated Sep. 21, 1992.
Schofer Joseph L.
Wu David
Yamaha Corporation
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