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    DIESEL PARTICULATE FILTER
    2.
    发明专利
    DIESEL PARTICULATE FILTER 审中-公开

    公开(公告)号：JP2002250216A

    公开(公告)日：2002-09-06

    申请号：JP2001380178

    申请日：2001-12-13

    Applicant: CORNING INC

    Inventor： KETCHAM THOMAS D ,  DELL JOSEPH ST JULIEN

    IPC: F01N3/02 ,  B01D46/00 ,  B01D46/42 ,  F01N3/022

    Abstract: PROBLEM TO BE SOLVED: To improve durability in fusion and damage by thermal shock of a porous ceramic filter for diesel exhaust gas. SOLUTION: The ceramic filter for trapping and burning diesel exhaust particulates provides improved structure of which durabilty in cracking by heat and damage by fusion are very high. The ceramic filter comprises a honeycomb filter body 20 made of porous ceramic material, in which plural cell channels parallel to each other and passing through the filter body from an inflow end face 22 to a discharge end face 24 are included, and a part of the cell channels are blocked to form a non-checkered pattern and the remaining cell channels are blocked to form a checkered pattern. The inflow end face of the honeycomb filter body has a checkered pattern blocked section and a non-checkered pattern blocked section. Further, the honeycomb filter body may have a plurality of block plugs in the cell channels, or may have a plurality of partial cell channels that extend up to a predetermined point in the honeycomb filter and are not blocked at the inflow end face.

    METHOD FOR FORMING COATING ON SUBSTRATE
    3.
    发明专利
    METHOD FOR FORMING COATING ON SUBSTRATE 失效

    公开(公告)号：JPH10217331A

    公开(公告)日：1998-08-18

    申请号：JP29402297

    申请日：1997-10-27

    Applicant: CORNING INC

    Inventor： DELL JOSEPH ST JULIEN ,  XINYING XIE

    IPC: B29C63/30 ,  B01D53/22 ,  B01D63/06 ,  B01D69/10 ,  B01D71/02 ,  B01J21/18 ,  B01J37/02 ,  B01J37/08 ,  B29C63/34 ,  B29C65/02

    Abstract: PROBLEM TO BE SOLVED: To make it possible to form high-quality film without cracks on a honeycomb matrix of high passageway density by applying a soft film inside of porous inorganic monolithic substrate provided with penetrating passageways, and applying pressure to the film to bond the film to the substrate. SOLUTION: A substrate is a monolithic object to pass fluid, which is any side and shape dependent on usage, for example, of ceramic, glass ceramic, glass, metal, and combination of them. Coating martial is preferably polymeric material applied to the inside of the passageways of the substrate as a thin film. Fusing or bonding of film to the inner passageways of the substrate can be performed using any technique for making adhering condition for adhering by applying pressure of a certain extent. For example, by heating the coating material and/or substrate for softening the polymer film, the fusing can be performed.

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