Title:
The honeycomb filter for dust collecting
Document Type and Number:
Japanese Patent JP6092841
Kind Code:
B2
Abstract:
There is disclosed a dust collecting honeycomb filter which can suppress damage of a flange section due to collision or the like during handling or the like. A dust collecting honeycomb filter 100 includes a honeycomb base material 3 having porous partition walls 1 to define and form a plurality of cells 2, and a flange section 23 disposed on an outer periphery of the honeycomb base material 3 and having porous flange partition walls 21 to define and form "a plurality of flange cells 22 extending in the same direction as in the cells 2". The flange section 23 is formed so as to project outwardly from the outer periphery of the honeycomb base material 3, the partition walls 1 and the flange partition walls 21 are continuously connected without forming any boundaries therein, the flange section 23 has flange plugging portions 24, a length of a flange plugging portion 24a positioned on the innermost side in the flange section 23 is from 1.0 to 2.5 mm, and a length of a flange plugging portion 24b positioned on the outermost side in the flange section 23 is 3.0 mm or more.
Inventors:
Toshio Yamada
Toshihiro Hirakawa
Toshihiro Hirakawa
Application Number:
JP2014501338A
Publication Date:
March 08, 2017
Filing Date:
July 10, 2013
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
B01D46/00; B01D39/20
Domestic Patent References:
| JP2001314718A | ||||
| JP2002200409A | ||||
| JP2002336620A | ||||
| JP3169347A | ||||
| JP2003269132A | ||||
| JP2010184218A |
Attorney, Agent or Firm:
Ippei Watanabe
Koji Kikawa
Hiroyuki Sato
Shigeru Koike
Koji Kikawa
Hiroyuki Sato
Shigeru Koike