Hydration means

Details Hydration means Hydration means

1988-01-25

1989-04-04

Hoag, Willard

Plastic article or earthenware shaping or treating: apparatus

With means applying coating material to work or work contact...

425262, 425412, 425421, 425424, 425427, 425431, 425432, 425446, B29C 3380, B28B 108, B28B 2114

Patent

active

048182028

ABSTRACT:
The invention is concerned with an hydration means for wetting the exposed surface of a core void formed on the withdrawal of a core former from a construction panel comprising compacted gypsum or like particulate materials, and proposes the free suspension of a reciprocable spray head by a flexible small-bore tube through which a setting liquid is applied to the spray head from a cross-head with which the tube is connected in fluid flow relationship. If necessary, the spray head may be weighted, while an apertured guide plate through which the tube passes may be provided above the upper limit of movement of the spray head.

REFERENCES:
patent: 1000638 (1911-08-01), Stewart
patent: 1123832 (1915-01-01), Atterbury
patent: 1941812 (1934-01-01), Muntz
patent: 2529500 (1950-11-01), Johnson
patent: 3655842 (1972-04-01), Trautner
patent: 4041118 (1977-08-01), Ottman et al.
patent: 4042315 (1977-08-01), Ottman et al.
patent: 4400149 (1983-08-01), Toffolow et al.
patent: 4708621 (1987-11-01), Schmidgall et al.

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