Honeycomb filter

Details Honeycomb filter Honeycomb filter

2007-10-16

2010-02-23

Griffin, Walter D (Department: 1797)

Gas separation

Specific media material

Ceramic or sintered

C055S522000, C055S524000, C422S172000, C422S173000, C422S174000, C422S175000, C422S176000, C422S177000, C422S178000, C422S179000, C422S180000, C502S303000, C060S297000

Reexamination Certificate

active

07666240

ABSTRACT:
A honeycomb filter includes a plurality of honeycomb fired bodies each having a longitudinal direction and a plurality of cells which are divided by cell walls and which extend in the longitudinal direction in substantially parallel with each other, each of the cells having one end sealed; and an adhesive material binding the plurality of honeycomb fired bodies. The plurality of honeycomb fired bodies includes outer peripheral honeycomb fired bodies each having a first outer wall and positioned at an outermost periphery of the honeycomb filter; and inner honeycomb fired bodies surrounded by the outer peripheral honeycomb fired bodies. Each of the inner honeycomb fired bodies has a second outer wall thinner than the first outer wall.

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U.S. Appl. No. 11/760,037.
U.S. Appl. No. 11/873,204.

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