Invention Grant
- Patent Title: Method and apparatus for producing ceramic honeycomb filter
-
Application No.: US16331405Application Date: 2017-09-29
-
Publication No.: US10737207B2Publication Date: 2020-08-11
- Inventor: Wataru Soga
- Applicant: HITACHI METALS, LTD.
- Applicant Address: JP Tokyo
- Assignee: HITACHI METALS, LTD.
- Current Assignee: HITACHI METALS, LTD.
- Current Assignee Address: JP Tokyo
- Agency: Sughrue Mion, PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@53074498
- International Application: PCT/JP2017/035585 WO 20170929
- International Announcement: WO2018/062521 WO 20180405
- Main IPC: B01D46/00
- IPC: B01D46/00 ; B01D46/24 ; C04B38/00 ; C04B111/00 ; B28B11/00 ; F01N3/022 ; B05D7/22

Abstract:
A method for producing a ceramic honeycomb filter having a ceramic honeycomb structure having plugs in predetermined cells: comprising using an apparatus having a reservoir having an inlet for a plugging material slurry and an upper opening, a porous plate with pluralities of openings covering the upper opening of the reservoir, and a holding member fixed to an upper end of the reservoir; keeping a lower surface of the sealing film attached to a lower end surface of the ceramic honeycomb structure apart from an upper surface of the porous plate by a distance D of more than 0 mm and 2.0 mm or less; supplying a predetermined volume of the plugging material slurry into the reservoir to introduce it into the predetermined cells of the ceramic honeycomb structure; rotating the ceramic honeycomb structure after sealing of the ceramic honeycomb structure is released; and lifting the ceramic honeycomb structure after the rotation starts.
Public/Granted literature
- US20190201825A1 METHOD AND APPARATUS FOR PRODUCING CERAMIC HONEYCOMB FILTER Public/Granted day:2019-07-04
Information query