Vinyl sheet article presenting striated color patterns and metho

Details Vinyl sheet article presenting striated color patterns and metho Vinyl sheet article presenting striated color patterns and metho

1991-06-10

1993-08-03

Thurlow, Jeffery

Stock material or miscellaneous articles

Three dimension imitation or 'treated' natural product

264 75, 264171, 264245, 4251311, 425132, 428106, 428221, 428327, 428332, 428337, B32B 3130

Patent

active

052327515

ABSTRACT:
A method and apparatus (10) is provided for producing vinyl siding (76) having aesthetically pleasing, wood-like striations embedded therein. Apparatus (10) includes processing structure (12) for processing topcoat compound and substrate compound extruders (18, 20) respectively. Acrylic colorant is discharged from feeders (64, 66) into barrel (34) via adapter (72) and thereby mixed with the topcoat compound. The interval of discharge is four seconds every twenty seconds. Adapter (72) utilizes a water jacket to keep colorant cool prior to its introduction into barrel (34) where it experiences a temperature sufficient for melting, usually about 380.degree. F. Due to the interval of discharge and the twenty second period thereof, striations (82) are uniform and continuous in nature so as to simulate wood grain.

REFERENCES:
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patent: 2798258 (1957-07-01), Allan et al.
patent: 2803041 (1957-08-01), Hill et al.
patent: 3388196 (1968-06-01), Farrell
patent: 3405425 (1968-10-01), Buckley et al.
patent: 3608013 (1971-09-01), Ingham
patent: 3769380 (1973-10-01), Wiley
patent: 3966857 (1976-06-01), Charlton et al.
patent: 3969053 (1976-07-01), Baconnier et al.
patent: 4072791 (1978-02-01), Randall
patent: 5053176 (1991-10-01), Cameron et al.

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