Title:
FLOW PASSAGE SEALING STRUCTURE
Document Type and Number:
WIPO Patent Application WO/2015/098087
Kind Code:
A1
Abstract:
The purpose of the present invention is to make it possible to eliminate the step for welding or swaging an orifice base or filter base the parent material of which is an orifice plate or filter plate, as well as to make a more compact size possible. The structure is provided with: a main block (1) in which main flow passages (1a, 1b) are formed; recessed portions (12, 13) formed in side surfaces of the main block (1), the recessed portions (12, 13) having a female thread formed on the inside peripheral surface; thin plates (6, 8) arranged in abutment against the floor of the recesses, the thin plates (6, 8) having a through-hole formed therein; gasket rings (16, 17) arranged in abutment against the thin plates (6, 8); held pipelines (20, 21) having an inside flow passage capable of communicating with the main flow passages (1a, 1b), and an expanded-diameter portion, the held pipelines (20, 21) being arranged in abutment against the gasket rings; and fastening screws (22) which slip about the outside of the held pipelines, and which are threaded into the female thread to abut against the expanded-diameter portion, pressing the held pipeline.
Inventors:
DOHI RYOUSUKE (JP)
YASUMOTO NAOFUMI (JP)
NISHINO KOUJI (JP)
IKEDA NOBUKAZU (JP)
YASUMOTO NAOFUMI (JP)
NISHINO KOUJI (JP)
IKEDA NOBUKAZU (JP)
Application Number:
PCT/JP2014/006386
Publication Date:
July 02, 2015
Filing Date:
December 22, 2014
Export Citation:
Assignee:
FUJIKIN KK (JP)
International Classes:
G01F1/42; F16L19/02; G05D16/06
Foreign References:
| JP2010151698A | 2010-07-08 | |||
| JP2007057474A | 2007-03-08 | |||
| JP2003074798A | 2003-03-12 | |||
| JPS51134465U | 1976-10-29 | |||
| JP2005149075A | 2005-06-09 | |||
| JP2000167318A | 2000-06-20 |
Attorney, Agent or Firm:
TANIDA, Ryuichi et al. (JP)
Ryuichi Yata (JP)
Ryuichi Yata (JP)
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