Laminate sheet material

Details Laminate sheet material Laminate sheet material

1995-06-14

1997-09-23

Loney, Donald

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428534, 428920, 55521, B32B 328, B01D 3908

Patent

active

056702388

ABSTRACT:
A composite laminate member includes outer layers of a polymer cellulose material sandwiched about a core of corrugated cardboard, the core of corrugated cardboard having flutes running in a plane parallel to the outer layers. An exemplary embodiment includes a filter medium separator for use in air filter constructions including a composite laminate member comprising outer layers of a polymer cellulose material and a fire retardant additive sandwiched about a core of corrugated cardboard.

REFERENCES:
patent: 4748066 (1988-05-01), Kelly et al.
patent: 5008359 (1991-04-01), Hunter
patent: 5140086 (1992-08-01), Hunter et al.
patent: 5280097 (1994-01-01), Hunter et al.
patent: 5580922 (1996-12-01), Park et al.

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