A - Human Necessities – 46 – D
Patent
A - Human Necessities
46
D
164/119, 18/37
A46D 3/04 (2006.01)
Patent
CA 1281515
ABSTRACT An apparatus and method are disclosed for forming a workpiece or chair mat with cleats on the underside. A rotatable forming roll is positioned so that a sheet of thermoplastic material can be extruded onto the surface thereof. The forming roll has a cylindrical outer surface with depressions therein for forming the cleats. The roll is of such a diameter and the depressions are arranged in a discrete pattern to form at least one chair mat with a marginal area completely around the periphery of the mat which is void of cleats.
615531
Carrera Armando N.
Ford John R.
Galik William T.
Gutierrez Robelino C.
Macrae & Co.
Tenex Corporation
LandOfFree
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