Method of manufacturing multilayer plasterboard and apparatus th

Details Method of manufacturing multilayer plasterboard and apparatus th Method of manufacturing multilayer plasterboard and apparatus th

1994-07-12

1998-02-03

Maki, Steven D.

Adhesive bonding and miscellaneous chemical manufacture

Plaster board making apparatus

156 43, 366 15, B28B 502, B28B 1900, B32B 3106, B32B 3108

Patent

active

057140324

ABSTRACT:
The apparatus includes a two-stage mixer formed within a single housing and including a first high shear mixer and a second low shear mixer. Plaster slurry is formed in the first mixer. A partition is laid on a first fixing sheet, a portion laid on a second fixing sheet, and the remainder discharged to the second mixer. In the second mixer, foam is added and the formed slurry is laid on the unformed slurry on the first fixing sheet. The unformed slurry in the second fixing sheen is brought to the formed slurry to join the product.

REFERENCES:
patent: 1953589 (1934-04-01), Camp
patent: 2940505 (1960-06-01), Brothers
patent: 2985219 (1961-05-01), Summerfield
patent: 4176972 (1979-12-01), Stiling
patent: 4279673 (1981-07-01), White et al.
patent: 4354885 (1982-10-01), White
patent: 4942003 (1990-07-01), Bold
patent: 5246287 (1993-09-01), Isherwood et al.
patent: 5484200 (1996-01-01), Bradshaw
Translation of Germany 1278917.
Abstract for German 1278917.

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