Plastic ski and method of making the same

Claim 1

In an aluminum and plastic sandwich ski structure, a bottom subassembly, a core, and a top subassembly sandwiched together, said bottom subassembly comprising a bottom plastic running surface member, steel edges adhered to opposite side edges of said bottom running surface member and a first aluminum strip adhered to the top surface of said bottom running surface member, said top subassembly comprising an outer plastic surface and an underlying second aluminum strip adhered thereto, said core comprising a rigid plastic foam material member adhered to and formed in situ between said top and bottom subassemblies, and frangible strip means of porous material embedded in said in situ formed core, said frangible strip means bearing against said top and bottom subassemblies to space the same from each other to the selected thickness of said core, wherein said first aluminum strip has a width less than the distance between the innermost portions of said steel edges so as to be spaced therefrom and without direct connection therewith whereby said ski structure is adapted to have its physical characteristics varied by making small variations in the width of said first aluminum strip.