Method of manufacturing a sag-resistant bonded particulate matte

Details Method of manufacturing a sag-resistant bonded particulate matte Method of manufacturing a sag-resistant bonded particulate matte

1990-08-20

1991-12-17

Lusignan, Michael

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

4273855, 4273936, 428290, D04H 158

Patent

active

RE0337730

ABSTRACT:
A method for the production of improved bonded particulate articles, and the articles so produced, are disclosed. Specifically, the manufacture of particulate articles having a reduced tendency to undergo humidity-induced sag is disclosed. These articles have utility in such application as ceiling tiles.

REFERENCES:
patent: 4158574 (1979-06-01), Cummisford et al.
patent: 4524093 (1985-06-01), Devry
patent: 4756714 (1988-07-01), Hendrix et al.

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