Method for the preparation of a molded tile product

Details Method for the preparation of a molded tile product Method for the preparation of a molded tile product

1986-03-03

1987-06-30

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Of inorganic materials

264DIG31, B29C 6720

Patent

active

046769374

ABSTRACT:
The present invention relates to laminated acoustical tile products which are derived from compositions that are suitable to provide rigid, water-resistant phosphate ceramic materials. The tile products comprise a decorative facing comprising a substantially open-celled character and a backing layer of higher density, the backing layer and edges of the tile comprising substantially closed-celled facing characteristics. The backing layer provides structural strength and dimensional stability to the tile product whereas the decorative, open-celled facing provides access by sound waves to the interior regions of the board. The resulting composite material provides good acoustical performance, yet is capable of withstanding conventional handling stresses.

REFERENCES:
patent: 3444277 (1969-05-01), McMillan
patent: 3511689 (1970-05-01), Winkler
patent: 3962390 (1976-06-01), Mori et al.
patent: 4000027 (1976-12-01), Dalle et al.
patent: 4104077 (1978-08-01), Kobayashi et al.
patent: 4131664 (1978-12-01), Flowers et al.
patent: 4375516 (1983-03-01), Barrall
patent: 4533393 (1985-08-01), Neuschaeffer et al.

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