Method for manufacturing thick asphalt sheet

Details Method for manufacturing thick asphalt sheet Method for manufacturing thick asphalt sheet

1985-01-25

1987-09-01

Lusignan, Michael R.

Coating processes

With post-treatment of coating or coating material

Solid treating member or material contacts coating

118412, 118419, 118424, 427428, 428337, 428489, B05D 128, B05D 312, B05C 302, B05C 312

Patent

active

046908390

ABSTRACT:
A method for manufacturing a thick asphalt sheet comprises preparing a thick sheet material made of non-woven fabric of synthetic material, passing said sheet material through at least one pair of pressing rolls from the upper side to the lower side and feeding and storing molten petroleum asphalt into a concavity formed on the upper side of said pair of rolls, whereby the molten petroleum asphalt is pressed into the sheet material when said material passes through said pair of rolls, thereby forming an asphalt sheet. The asphalt sheet thus manufactured is immediately led onto a processed ground surface to form a waterproofing layer thereon.

REFERENCES:
patent: 3843389 (1974-10-01), Enomoto
patent: 4107375 (1978-08-01), Iwasaki et al.
Japanese literature "Nonwoven Fabrics", published May 15, 1983, p. 45.
Booth, Coating Equipment and Process, p. 86 (1970).

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