Method of impregnating porous abrasive elements for use in distr

Details Method of impregnating porous abrasive elements for use in distr Method of impregnating porous abrasive elements for use in distr

1987-11-09

1989-07-25

Lieberman, Paul

Abrasive tool making process, material, or composition

Miscellaneous

51296, B24D 300

Patent

active

048501565

ABSTRACT:
A method of preparing porous abrasive rock for use in distressing fabric, including the steps of impregnating rocks placed in a vacuum vessel with a bleaching solution under reduced pressure, maintaining the reduced pressure for a first interval while injecting the solution beneath the rocks and then increasing the vessel pressure above ambient for a second interval prior to removal.

REFERENCES:
patent: 4086067 (1978-04-01), Busch et al.
patent: 4581287 (1986-04-01), Smith et al.

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