Carpet tile machine
AssigneeDeering Milliken Research Corporation
InventorJames E. Fowler
Life of this patent
Estimating the term…
Abstract
Method and apparatus to score cut the hardbacking of carpet tiles to relieve the inherent stresses therein to alleviate the tendency of the carpet tiles to pucker when laid in operative position on the floor. The back of the carpet tiles are cut by a serrated die cutter to produce an undulating configuration in the backing of the carpet tile.
Claims9
Apparatus to cut the hardened back surface of a carpet tile in a pressure mold having a support member to receive the carpet tile, a pressure actuated cutting die member and a means to move and apply pressure to the cutting die member, the improvement comprising:
- a cutting die operably associated with said pressure actuated cutting die member, said cutting die having a plurality of substantially parallel and continuous serrated die cutters, said adjacent die cutters adjacent the edges of said pressure actuated die member being spaced closer to each other than the die cutters interior of said edges.
A die cutter for cutting hardened surfaces of a carpet tile comprising:
- a plurality of adjacent substantially continuous serrated cutting members, said adjacent cutting members adjacent the edge of the die cutter being spaced closer than the cutting members interior of the edge of the die cutter.
Dependencies are inferred from the claim text.