Self-supporting pleated filter composite

Details Self-supporting pleated filter composite Self-supporting pleated filter composite

1997-05-16

1999-11-16

Morris, Terrel

Stock material or miscellaneous articles

Structurally defined web or sheet

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

428181, 428 85, 428 95, 428 97, 442381, 442391, B32B 328, B32B 310, B32B 526

Patent

active

059854111

ABSTRACT:
A filter composite comprising a first layer of glass fibers having random orientation, the layer being porous to gas flow therethrough; a porous mat of sufficient stiffness as to support the glass fiber layer during use as a filter, the mat consisting of compacted glass fibers; and an additional porous layer carried by the mat to block escape of glass fibers or particles from the filter composite during gas flow therethrough, the composite formed to have pleated or undulating configuration.

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patent: 5630856 (1997-05-01), Pfeffer

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