System for continuous production of roofing shakes

Details System for continuous production of roofing shakes System for continuous production of roofing shakes

1994-07-25

1997-11-25

Mackey, James P.

Plastic and nonmetallic article shaping or treating: processes

With severing, removing material from preform mechanically,...

Forming continuous work followed by cutting

2641771, 2641772, 2642016, 264284, 425 92, 425106, 425296, 425304, 425327, 425335, B29C 6902, B29C 5904

Patent

active

056908768

ABSTRACT:
A system for the continuous production of asphalt-based roofing shakes which are tapered and embossed to resemble wood shakes in looks and function; and the shake made thereby. The continuous production system hot-mixes and extrudes the ingredients in a tapered layer on a conveyor belt for embossing and cutting. The system permits wood-shake type variety in size and appearance. The preferred shake includes perlite as a filler and chopped glass fibers as a reinforcer and may be internally colored.

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patent: 4941949 (1990-07-01), Luszczak
patent: 5094058 (1992-03-01), Slocum
patent: 5534207 (1996-07-01), Burrus

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