PVC building trim

Details PVC building trim PVC building trim

1996-07-15

1998-02-10

Szekely, Peter A.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524567, 524413, 5230913, C08K 326, C08K 322, C08L 2726

Patent

active

057170193

ABSTRACT:
The material is an extruded high impact, exterior PVC material comprising no more that 80 percent by weight of PVC resin and about 7 percent by weight of filler, said material being permanently bendable and has an average coefficient of thermal expansion of about 2.7.times.10 in/in/degree Fahrenheit over the range of ambient temperatures from minus 4 to plus 86 degrees Fahrenheit.
A unique method of making the material extrudes it at lower temperatures than usually utilized. The material, formed in a strip is cooled to limited temperatures immediately before it is coiled.

REFERENCES:
patent: 3996173 (1976-12-01), Heichele et al.
patent: 4239679 (1980-12-01), Rolls et al.
patent: 4294752 (1981-10-01), Silverberg
patent: 4310451 (1982-01-01), Ernest et al.
patent: 4474913 (1984-10-01), Lindner
patent: 5124373 (1992-06-01), Baumgaertel et al.

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