Antireverse running-surface treatment for cross-country skis

Details Antireverse running-surface treatment for cross-country skis Antireverse running-surface treatment for cross-country skis

1986-09-12

1987-11-10

Welsh, Maurice J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521172, 521905, 528 67, 528 745, 280604, 280610, C08G 1814

Patent

active

047058153

ABSTRACT:
An antibackslide treatment for a cross-country ski consists of a polyurethane containing a filler or closed-pore structure and which combined hydrophobicity with an elastic character which varies depending upon the velocity of its deformation. During the propulsion phase where the velocity of deformation is low, the treatment has viscoelastic characteristics whereas during the sliding phase when the velocity of deformation is high, the treatment has more elastic properties.

REFERENCES:
patent: 4595215 (1986-06-01), Tiitola

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