Method of sealing porous material defining a recess

Details Method of sealing porous material defining a recess Method of sealing porous material defining a recess

1975-05-27

1977-01-04

Kaplan, Morris

Coating processes

Interior of hollow article coating

Vacuum or pressure utilized

118 50, 118408, B05C 700

Patent

active

040014690

ABSTRACT:
A method of and apparatus for sealing porous material defining a recess therein by placing sealing liquid in the recess, inserting a tubular means therein, pressure sealing said means with respect to the recess and forcing said sealing liquid into the pores by a gaseous pressure applied through said tubular means.

REFERENCES:
patent: 39589 (1863-08-01), Robinson
patent: 2074566 (1937-03-01), Sheils
patent: 2670511 (1954-03-01), Hadley
patent: 2963827 (1960-12-01), Ganton
patent: 3310427 (1967-03-01), Cheney et al.

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