Apparatus for manufacturing roofing shingles having multiple ply

Details Apparatus for manufacturing roofing shingles having multiple ply Apparatus for manufacturing roofing shingles having multiple ply

1977-06-20

1981-10-20

McIntosh, John P.

Coating apparatus

Interfacing control of plural operations

118206, 118212, 118310, B05C 108, B05C 116, B05C 1900

Patent

active

042954452

ABSTRACT:
An improved apparatus for manufacturing roofing shingles having multiple ply appearance, in which an elongated strip of a dry organic or mineral material previously saturated in an asphalt tank and with at least one uniform longitudinally continuous strip of a first coating of granules is fed into the apparatus. The apparatus automatically and repeatedly applies spaced apart bands of varying widths of an adhesive material onto the first coating of granules. A second coating of granules is then automatically applied by the improved apparatus to the asphaltic bands. The application of the adhesive bands and the subsequent granule distribution are synchronized so that the granules are distributed only upon the bands of adhesive.

REFERENCES:
patent: 1379368 (1921-05-01), Speer
patent: 2068767 (1937-01-01), Robert
patent: 2074131 (1937-03-01), Penley et al.
patent: 2074684 (1937-03-01), Eckert
patent: 2111565 (1938-03-01), Limerick
patent: 3104184 (1963-09-01), Wengenroth et al.

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