Ski with top edge portions of plastic material and device for se

Details Ski with top edge portions of plastic material and device for se Ski with top edge portions of plastic material and device for se

1975-01-13

1976-05-25

Wood, Jr., M. H.

Land vehicles

Skates

Runner type

156 79, 249 91, 280608, 425127, A63C 504, A63C 512

Patent

active

039588106

ABSTRACT:
The top edge portions of a ski of plastic material are produced in a two-part mold by placing the bottom surface sheet and edge portions of the ski on the floor of the mold while preformed top edge portions carry the top surface sheet and are supported in the mold by an auxiliary strip which extends outwardly from its side surface and rests on two opposite walls of the mold box. The auxiliary strips are held in place by magnets lodged in the opposite mold walls while the mold is open. After closing the mold with the mold lid a plastic foam material in the mold is expanded to produce the ski core and bond together the top and bottom surface sheets and edge portions of the ski. The auxiliary strips are severed from the top edge portions to finish the ski.

REFERENCES:
patent: 3439732 (1969-04-01), Andreoli
patent: 3535986 (1970-10-01), Daub
patent: 3580596 (1969-02-01), Volkl
patent: 3635482 (1972-01-01), Holman
patent: 3807746 (1974-04-01), Kofler
patent: 3816573 (1974-06-01), Hashimoto et al.
patent: 3879245 (1975-04-01), Fetherston et al.

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