Fire-resisting slabs fabrication method

Details Fire-resisting slabs fabrication method Fire-resisting slabs fabrication method

1996-09-18

1998-03-31

Ryan, Patrick

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Structurally defined web or sheet

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428 68, 428 74, 428113, 428114, 428252, 4283191, 428326, 428393, 428426, 4285371, 428701, 428702, 264 464, 264256, 106 1811, 52404, 52809, B32B 900

Patent

active

057336334

ABSTRACT:
A fire resisting slab fabrication method including the steps of i) preparing a first compound by mixing by weight 25%-30% magnesium oxide with 20%-25% magnesium chloride and 10%-15% water at room temperature; ii) preparing a second compound by mixing by weight 15%-20% foamed plastic with 15%-20% wooden chips and 5%-10% quartz sand at room temperature; iii) mixing the first compound with the second compound at room temperature, so as to obtain a mixture; and, iv) processing the mixture thus obtained into a flat core layer by means of a press roll mechanism, and simultaneously covering two layers of meshed glass fiber cloths and two layers of meshed non-woven cloths on two opposite sides of the core layer.

REFERENCES:
patent: 3951885 (1976-04-01), Thompson
patent: 4150185 (1979-04-01), Prymelski
patent: 4364987 (1982-12-01), Goodwin
patent: 4366204 (1982-12-01), Briggs

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