Method and apparatus for manufacturing bands of bituminized roof

Details Method and apparatus for manufacturing bands of bituminized roof Method and apparatus for manufacturing bands of bituminized roof

1996-11-20

1998-10-06

Krynski, William

Stock material or miscellaneous articles

Structurally defined web or sheet

Continuous and nonuniform or irregular surface on layer or...

428144, 428289, 428291, 428302, 4283197, 428373, 428458, 428902, 427365, 427366, 427369, 427370, 427424, 156237, 156252, 156253, B32B 900

Patent

active

058173986

ABSTRACT:
A method for manufacturing bands of bituminized roofing material, wherein a band of porous carrier material is impregnated with bitumen, wherein the band of porous carrier material is provided on a supporting surface provided with openings, hot bitumen is provided on the side of the band of carrier material remote from the supporting surface, and a pressure difference is created across the supporting surface, so that the hot bitumen penetrates into the carrier material.

REFERENCES:
patent: 4940501 (1990-07-01), Hollander

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