Title:
RECEPTACLE MEMBER FOR MULTILAYER JOINT, MULTILAYER JOINT AND PIPING SYSTEM
Document Type and Number:
Japanese Patent JP2022052227
Kind Code:
A
Abstract:
To provide a receptacle member for a multilayer joint which can enhance cutoff performance, a multilayer joint and a piping system.SOLUTION: In a receptacle member 20 for a multilayer joint having a cylindrical flank part 21 and a circular disc part 23 hanging out of one opening end 22a of the flank part 21, a cutoff protrusion 24 or a cutoff recess 25 is formed at an external face of the circular disc part 23, one or two or more fitting protrusions 26 or fitting recesses 27 are formed at an external face of the flank part 21, and a gate mark G is formed at the flank part 21 at the circular disc part 23 side rather than a center point M of a length of the flank part 21 in a pipe axis O2 direction, and at the other opening end 22b side of the flank part 21 rather than the fitting protrusion 26a which is most approximate to the circular disc part 23, or the fitting recess 27a which is most approximate to the circular disc part 23.SELECTED DRAWING: Figure 2
Inventors:
YOKOTA IBUKI
YUKAWA MASAKI
SHIMURA SATOSHI
MATSUMURA TOYOMASA
YUKAWA MASAKI
SHIMURA SATOSHI
MATSUMURA TOYOMASA
Application Number:
JP2020158482A
Publication Date:
April 04, 2022
Filing Date:
September 23, 2020
Export Citation:
Assignee:
SEKISUI CHEMICAL CO LTD
International Classes:
F16L47/00
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi