A - Human Necessities – 63 – C
Patent
A - Human Necessities
63
C
18/127, 273/36,
A63C 7/00 (2006.01) A63C 5/12 (2006.01) B29C 44/04 (2006.01) B29C 44/12 (2006.01)
Patent
CA 1084963
ABSTRACT OF THE DISCLOSURE: A ski which has a sandwich structure including upper and lower plastic laminations and a foamed plastic core situated therebetween with dense side portions integral with the upper and lower laminations and forming a shell surrounding the foamed core has in its new finished condition the same condition as when the ski is removed from a mold, so that finishing operations are not required subsequent to removal of the ski from the mold. m e mold which is used to manufacture the ski has opposed relatively wide walls and a pair of opposed relative- ly narrow walls which are permanently fixed to one of the relatively wide walls while the other of the relatively wide walls is movable to and from an operating position closing the mold and cooperating with the relatively narrow for this purpose. The relatively wide walls have inner surfaces directed toward the interior of the mold to define part of the mold cavity, and against these inner surfaces the upper and lower laminations of the ski are held by a suitable holding struc- ture so that the foamable plastic can be injected into the mold between the upper and lower laminations to become bonded integrally therewith while forming the dense side portions along the inner surfaces of the relatively narrow mold walls. And a method for using such a mold.
263313
Karhu-Titan Oy
Robic Robic & Associes/associates
LandOfFree
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