Sealing method for porous material

Details Sealing method for porous material Sealing method for porous material

1975-06-18

1978-02-07

Lovering, Richard D.

Coating processes

Vacuum utilized prior to or during coating

427169, 427314, 427430B, B05D 300, B05D 302

Patent

active

040727742

ABSTRACT:
A process for sealing a rectangular porous object against water absorption includes cleaning and drying the object to constant weight thereof, and in an ambient atmosphere immersing the object to a portion of the shortest dimension thereof in a sealant with the temperature of the ambient atmosphere and the sealant maintained at the minimum viscosity temperature of the sealant.

REFERENCES:
patent: 1746826 (1930-02-01), Farr, Jr.
patent: 1825509 (1931-09-01), Collins
patent: 3157534 (1964-11-01), Domicone et al.
patent: 3279942 (1966-10-01), Granitsas et al.
patent: 3384505 (1968-05-01), Palmer et al.
Dow Corning Corp. Publications-Guide, July 20, 1962, Cover Page and pp. 18.

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