Preparation of ceramic honeycomb structure having selectively se

Details Preparation of ceramic honeycomb structure having selectively se Preparation of ceramic honeycomb structure having selectively se

1989-12-21

1991-11-05

Silbaugh, Jan H.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156253, 4271262, C04B 3700

Patent

active

050629115

ABSTRACT:
Ceramic honeycomb structures having channels that are selectively sealed at alternate faces of the honeycomb are prepared by applying an end cap made up of green ceramic material to each face of a green ceramic honeycomb body, followed by exposing the openings of certain channels of the honeycombs through the cap at one face and exposing the remaining channels through the cap at the other face. Thereafter, the composite capped structure is fired. The honeycombs are useful in a variety of filtering, separating, or concentrating operations in which a work fluid or component thereof is intended to pass through the walls of the channels.

REFERENCES:
patent: 4041591 (1977-08-01), Noll et al.
patent: 4283210 (1981-08-01), Mochida et al.
patent: 4329162 (1982-05-01), Pitcher, Jr.
patent: 4557773 (1985-12-01), Bonzo
patent: 4846657 (1989-07-01), Chao

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