Paper laminate and method for its manufacture

Details Paper laminate and method for its manufacture Paper laminate and method for its manufacture

1993-06-25

1995-10-10

Loney, Donald L.

Stock material or miscellaneous articles

Structurally defined web or sheet

Nonplanar uniform thickness material

428153, 428154, 428198, 428535, 4285375, B23B 300, D06N 704

Patent

active

054569680

ABSTRACT:
A two-ply paper-to-paper composite material having insulating properties and a method for its manufacture wherein the composite includes a pair of paper sheets, at least one of which has been treated to make it moisture-proof and grease-proof wherein the sheets are selectively bonded directly to the other to define air pockets therebetween wherein the bond is established by an alkali metal silicate adhesive.

REFERENCES:
patent: D337155 (1986-03-01), Heston
patent: 2158762 (1950-08-01), Draheim
patent: 4320162 (1982-03-01), Schulz
patent: 4481243 (1984-11-01), Allen
patent: 4487796 (1984-12-01), Lloyd et al.
patent: 4978565 (1990-12-01), Pijneul et al.
patent: 5128182 (1992-07-01), Bunker, et al.

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