Land vehicles – Ski or skate appliance or attachment – Ski pole
Patent
1994-12-20
1996-04-09
Bell, James J.
Land vehicles
Ski or skate appliance or attachment
Ski pole
428 341, 428 361, 428408, 428902, A63C 1122
Patent
active
055054927
ABSTRACT:
A composite ski pole is formed of fiber reinforced plastic laminates laid up around an inflatable bladder, and placed in a female mold. The bladder inflates to compact the laminates to substantially eliminate voids and form a smooth, hollow ski pole with a structurally strong and stiff skin. The molds may use compound shapes such as differing cross sections or longitudinal bends.
REFERENCES:
patent: 4983430 (1991-01-01), Sargent
patent: 5393581 (1995-02-01), Mares
Milovich Dimitrije
Nelson Ronald H.
Bell James J.
Radius Engineering, Inc.
Sonntag James L.
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