Title:
PIPING MEMBER AND PIPING ASSEMBLY INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2014129855
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a piping member with a copper pipe brazed with good brazing property.SOLUTION: A flare half union is a piping member configured so that a copper pipe 46 is inserted from an insertion surface 81 and brazed, and includes: a cylindrical main body portion 80a; and a nut portion 80b adjacent to the main body portion 80a. The nut portion 80b has the insertion surface 81 formed on an opposite side to the main body portion 80a, and a thickness t80b is larger than that of the main body portion 80a. A copper pipe insertion hole 83 for inserting the copper pipe 46 is formed in the nut portion 80b. Annular grooves 85 are formed in the nut portion 80b near an inlet of the copper pipe insertion hole 83. The annular grooves 85 are more recessed in an insertion direction A11 than the insertion surface 81 around the annular grooves 85.
Inventors:
TAKEMOTO KEIGO
KOMIYA KENTARO
ONUMA YOICHI
KOMIYA KENTARO
ONUMA YOICHI
Application Number:
JP2012288503A
Publication Date:
July 10, 2014
Filing Date:
December 28, 2012
Export Citation:
Assignee:
DAIKIN IND LTD
International Classes:
F16L13/08; F16L13/00; F16L19/04
Domestic Patent References:
| JPS57156273U | 1982-10-01 | |||
| JP2003166677A | 2003-06-13 | |||
| JP2010151204A | 2010-07-08 | |||
| JPS56137866U | 1981-10-19 | |||
| JP2007155288A | 2007-06-21 |
Attorney, Agent or Firm:
Shinki Global IP Patent Corporation