Method of manufacturing multilayer plasterboard

Details Method of manufacturing multilayer plasterboard Method of manufacturing multilayer plasterboard

1997-10-27

1999-06-01

Maki, Steven D.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Plaster board making

156 78, B28B 502, B28B 1900, B32B 3106, B32B 3108

Patent

active

059085215

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 sheet 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
patent: 5575844 (1996-11-01), Bradshaw
Translation of German Patent No. 1 278 917, published Sep. 26, 1968.

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