Title:
METHOD OF MANUFACTURING HONEYCOMB STRUCTURAL BODY
Document Type and Number:
WIPO Patent Application WO/2003/092975
Kind Code:
A1
Abstract:
A method of manufacturing a honeycomb structural body, comprising a sealup step for sealing up a plurality of cells (3) passing from one end face (41) to the other end face (43) at any of the end faces of a honeycomb formed body (1) having the two end faces (41) and (43) and the plurality of cells (3), the sealup step further comprising a first auxiliary step for stamping a film (9) on the any of the end faces, a second auxiliary step for drilling holes in the film at specified positions corresponding to the sealed up cells by a high-density energy beam, and a third auxiliary step for packing sealup material in the sealed up cells, characterized in that the first auxiliary step uses the film (9) having a base material layer and an adhesive layer with an adhesive force of 3 to 15 N/25 mm, whereby a damage to the honeycomb formed body or the honeycomb structural body resulting from the sealup can be suppressed, and the sealup can be surely performed.
Inventors:
FUJITA JUN (JP)
Application Number:
PCT/JP2003/003081
Publication Date:
November 13, 2003
Filing Date:
March 14, 2003
Export Citation:
Assignee:
NGK INSULATORS LTD (JP)
FUJITA JUN (JP)
FUJITA JUN (JP)
International Classes:
F01N3/02; B01D39/20; B01D46/00; B01D46/24; B28B11/00; B28B11/02; (IPC1-7): B28B11/02; B01D39/14; B01D39/20
Foreign References:
| JP2001300922A | 2001-10-30 | |||
| US20020020944A1 | 2002-02-21 | |||
| US4559193A | 1985-12-17 | |||
| JPH01259905A | 1989-10-17 | |||
| JPH01192504A | 1989-08-02 |
Other References:
See also references of EP 1500482A4
Attorney, Agent or Firm:
Watanabe, Kazuhira (No.8 Kikuboshi Tower Building 20-18,
Asakusabashi 3-chom, Taito-ku Tokyo, JP)
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