Ceramic honeycomb structure with grooves and outer coating, proc

Details Ceramic honeycomb structure with grooves and outer coating, proc Ceramic honeycomb structure with grooves and outer coating, proc

1993-01-25

1997-05-13

Robinson, Ellis

Stock material or miscellaneous articles

Structurally defined web or sheet

Honeycomb-like

428117, 428119, 428188, 502439, 502527, 422177, 422180, B32B 300

Patent

active

056290675

ABSTRACT:
A ceramic honeycomb structure is disclosed which includes a ceramic honeycomb body having a matrix of partition walls forming a multiplicity of cells extending in an axial direction of the honeycomb body. The radially outermost array of the cells are open to an outside of the honeycomb body in radial directions thereof, to provide a plurality of grooves formed in an outer periphery of the honeycomb body to extend in the axial direction. The honeycomb structure further includes an outer coating which fills at least the grooves to cover the outer periphery of the ceramic honeycomb body, so as to provide an outer surface of the honeycomb structure. Also disclosed are a process of producing such a honeycomb structure, and a coating material used for forming the outer coating as described above.

REFERENCES:
patent: 3983283 (1976-09-01), Bagley
patent: 4335023 (1982-06-01), Dettbing
patent: 4451517 (1984-05-01), Inoguchi
patent: 4455336 (1984-06-01), Ogawa
patent: 4756976 (1988-07-01), Komeya
patent: 4840827 (1989-06-01), Mizutani
patent: 4869944 (1989-09-01), Harada
patent: 4877670 (1989-10-01), Hamanaka
patent: 5063029 (1991-11-01), Mizuno
patent: 5073432 (1991-12-01), Horikawa
patent: 5188779 (1993-02-01), Horikawa
patent: 5207989 (1993-05-01), MacNeil
patent: 5514446 (1996-05-01), Machida
Database WPI, Section Ch, Week 8916, Derwent Publications Ltd., London, GB; Class L02, An 89-119916 & JP-A-1 067 262 (Toto Kagaku Kogyo K Kiriyama Seisakusho KK) 13 Mar. 1989.
Patent Abstracts of Japan, vol. 013, No. 491 (C-650) 7 Nov. 1989 & JP-A-01 192 764 (Ibiden Co Ltd) 2 Aug. 1989.

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