Process for the production of open pore ceramic bodies and ceram

Details Process for the production of open pore ceramic bodies and ceram Process for the production of open pore ceramic bodies and ceram

1989-02-03

1990-11-13

Derrington, James

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By mechanically introducing gas into material

264 44, 264317, C04B 3564

Patent

active

049700359

ABSTRACT:
The invention concerns a process for the production of open pore ceramic bodies, wherewith is applied onto the contacting areas of the pores of an open pore matrix body a hardenable ceramic mass, this latter next being hardened and the matrix body being removed, there remaining behind a ceramic body of hardened, open pore ceramic mass. Before curing the ceramic mass, the matrix body is furnished with filaments extending, at least in one spatial direction, into this matrix body, which are removed during or after curing of the ceramic mass while forming appropriate channels. The invention further concerns an open pore matrix body for the production of an open pore ceramic body with at least one filament being provided therein, in particular a thread and/or a wire for forming a channel in the open pore ceramic body; furthermore an open pore ceramic body with a channel formed by removal, during or after hardening of the ceramic mass, of a filament, thread or wire that was introduced before hardening of the ceramic mass, along with use of the open pore ceramic body for cleaning (purifying) and/or transformation of fluid substances.

REFERENCES:
patent: 3090094 (1963-05-01), Schwartzwalder et al.
patent: 3539667 (1970-11-01), Nameishi
patent: 3939002 (1976-02-01), Wasbourne
patent: 4083905 (1978-04-01), Insley

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