Stock material or miscellaneous articles – Structurally defined web or sheet – Weight per unit area specified
Patent
1995-01-06
1996-04-16
Withers, James D.
Stock material or miscellaneous articles
Structurally defined web or sheet
Weight per unit area specified
428229, 428233, 428236, 428239, 428286, 428298, 428302, 428373, 428374, 428902, 428903, B32B 502, B32B 506, B32B 522, B32B 2700
Patent
active
055080936
ABSTRACT:
A layered product having a first layer formed from at least one fusible binder consolidated nonwoven material, which first layer contains both carrier fibers and binder fibers. The layered product also contains a sheet material second layer which is adhered to the fusible binder consolidated nonwoven layer by an adhesive layer formed from melted binder fibers present in the surface of the nonwoven layer which faces the sheet material layer. The layered product of the invention is useful for manufacturing bituminized roofing and sealing webs.
REFERENCES:
patent: 2483405 (1949-10-01), Francis
patent: 4555811 (1985-12-01), Shimalla
patent: 4906507 (1990-03-01), Grynaeus et al.
patent: 5108827 (1992-04-01), Gessaer
patent: 5229191 (1993-07-01), Austin
Hoechst Aktiengesellschaft
Withers James D.
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