Fire retardant plate material

Details Fire retardant plate material Fire retardant plate material

1976-08-09

1978-10-10

Bell, James J.

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

52404, 428285, 428920, B32B 1900

Patent

active

041197550

ABSTRACT:
The invention relates to a fire retardant plate material to be incorporated in partitions and doors in housing, mainly comprising mineral wool with a binding agent bonding the fibres together at intersections and in which material the mineral wool is present in layers separated by intermediate thin layers of an inorganic matter acting as a cement between the layers.

REFERENCES:
patent: 2746892 (1956-05-01), Elfving
patent: 2758043 (1956-08-01), Cryor
patent: 3220915 (1965-11-01), Shannon
patent: 3867241 (1975-02-01), Haglund

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