Composite plastic track and method of making

Details Composite plastic track and method of making Composite plastic track and method of making

A - Human Necessities

47

F

211/35, 18/783

A47F 5/00 (2006.01)

Patent

CA 1226557

A COMPOSITE PLASTIC TRACK AND METHOD OF MAKING ABSTRACT A plastic track of composite construction is for use as a integral part of display stands of the gravity feed type which are commonly used in retail outlets and is formed by a coextrusion method wherein a quantity of high impact polystyrene is heated to an extrudable temperature while a mixture of high impact polystyrene and organopolysiloxane is similarly heated and extruded and the two molten melts are joined homogeneously under temperature and pressure within the die head to form a mechanically strong track having a low friction sliding surface.

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