Process for sealing a perforated web material

Details Process for sealing a perforated web material Process for sealing a perforated web material

1992-02-25

1994-08-02

Rachuba, M.

Abrasive tool making process, material, or composition

Impregnating or coating an abrasive tool

51310, 51322, 51324, 51326, 29423, B24B 100

Patent

active

053334159

ABSTRACT:
A process for the mechanical treatment of porous sheet materials entails introducing a particulate material into the pores of the sheet material to block the pores, carrying out the mechanical treatment, and then removing the particles from the pores. The process enables porous sheet materials to be subjected to mechanical operations, for example shaping under gaseous pressure or surface polishing, which could otherwise only be applied to non-porous materials.

REFERENCES:
patent: 2663928 (1953-12-01), Wheeler
patent: 3076916 (1963-02-01), Kopplus
patent: 3308530 (1967-03-01), Levi
patent: 3465481 (1969-09-01), Szwarcman
patent: 3875777 (1975-04-01), Kelley
patent: 3890818 (1975-06-01), de Charsonville et al.
patent: 4250610 (1981-02-01), Wilbers et al.

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