Title:
フィルターエレメントの製造方法
Document Type and Number:
Japanese Patent JP4471452
Kind Code:
B2
Abstract:
A filter base material comprising many mutually−parallel fluid passages partitioned by porous walls, wherein the fluid passages consist of large−section, large−diameter fluid passages and small−diameter fluid passages each having at least one section size smaller than those of the large−diameter fluid passages, and one end of each of large−diameter fluid passages is sealed, with the small−diameter fluid passages each having at least one section size sealed at ends on the opposite sides of the sealed ends of the large−diameter fluid passages. This filter element is produced by only a step of immersing into a sealant.
Inventors:
Mizuno Motoshige
Masahiro Wakita
Masahiro Wakita
Application Number:
JP2000158206A
Publication Date:
June 02, 2010
Filing Date:
May 29, 2000
Export Citation:
Assignee:
Nippon Insulator Co., Ltd.
International Classes:
A01G31/00; B01D39/20; B01D29/00; B01D29/11; B01D35/02; B01D35/027; B01D46/00; B01D63/06; B28B11/02; C04B38/00; F01N3/021; F24H9/00
Domestic Patent References:
| JP48057267A | ||||
| JP56124418A | ||||
| JP8332330A | ||||
| JP57187013A | ||||
| JP11277051A | ||||
| JP62129104A |
Attorney, Agent or Firm:
Kenji Sugimura
Nobuyuki Okajima
Kosaku Sugimura
Nobuyuki Okajima
Kosaku Sugimura