B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
25/142
B32B 3/26 (2006.01) C03C 14/00 (2006.01) C04B 35/74 (2006.01) C04B 35/82 (2006.01) C04B 38/00 (2006.01)
Patent
CA 1317442
ABSTRACT A glass or ceramic plate (10), which may be a foamed glass or ceramic plate, is reinforced by incorporating therein a thin reinforcement layer (14) in which fibrous or flaky pieces (16) of an inorganic heat- resistant reinforcing material such as, e.g., steel wire pieces 3 to 50 mm in length are scattered so as to be two-dimensionally randomly oriented. The reinforcement layer (16) is parallel to two opposite major surfaces (10a, 10b) of the plate, and this layer (14) is either a buried layer or a surface layer. The plate may have a plurality of reinforcement layers which are distant from each other. In any case the reinforcing material (16) exists only in the reinforcement layer(s) (14). The glass or ceramic plate (10) can be produced by the steps of layering a particulate material of the glass or ceramic on a conveyor belt made of a heat-resistant material, scattering fibrous or flaky pieces of a reinforcing material on the surface of the layer of the particulate material, overlaying that surface with the particulate material if need be, and firing the material on the conveyor belt in a furnace.
580763
Kandachi Takayoshi
Nakamura Nobuo
Central Glass Company Limited
Robic
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