Method of applying microorganism resistant granules to a continu

Details Method of applying microorganism resistant granules to a continu Method of applying microorganism resistant granules to a continu

1994-09-21

1996-11-12

Beck, Shrive

Coating processes

Solid particles or fibers applied

Roofing produced

427199, 427201, 427205, 428143, 428148, 428907, B05D 112, B05D 136, B32B 1112

Patent

active

055738109

ABSTRACT:
A method of manufacturing a microorganism resistant asphaltic roofing shingle includes supplying a tacky asphaltic strip material having a prime lane, and applying prime granules onto the prime lane to substantially cover the prime lane so that approximately all of the prime granules adhere to the asphaltic strip material. An excessive amount of backfall granules are applied onto the prime lane on top of the prime granules. Prior to applying the prime granules onto the prime lane of the asphaltic strip material, anti-microorganism granules are applied onto the prime lane so that nearly 100 percent of the anti-microorganism granules adhere to the asphaltic strip material.

REFERENCES:
patent: 1612885 (1927-01-01), Robinson
patent: 3507676 (1970-04-01), McMahon
patent: 3528842 (1970-09-01), Skadulis
patent: 3598627 (1971-08-01), Klimboff
patent: 4092441 (1978-05-01), Meyer et al.
patent: 4617198 (1986-10-01), Overturf
patent: 4900589 (1990-02-01), Montgomery
patent: 5356664 (1994-10-01), Narayan et al.

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