Title:
ヘッダー部材、その製造方法、給水給湯配管設備及び給水給湯システム
Document Type and Number:
Japanese Patent JP6988145
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a header member which easily prevents damage of a header caused by freezing of water in the header, and to provide a water/hot water supply pipe facility using the header member and a system.SOLUTION: A header member 1 has: a header member body 2 made of synthetic resin; and an inner 20 inserted into the header member body 2 and made of synthetic resin. The header member body 2 has: a cylindrical main cylinder part 3; a small diameter cylinder part 4 which protrudes coaxially with the main cylinder part 3 from one end side of the main cylinder part 3 in a cylinder axis direction; and a branch nozzle part 7. The inner 20 has: a large diameter part 22 having a large diameter cylindrical shape; and a small diameter part 23 which protrudes coaxially with the large diameter part 22 from one end side of the large diameter part 22 in a cylinder axis direction. Openings 24 are provided on a side peripheral surface of the large diameter part 22.SELECTED DRAWING: Figure 1
Inventors:
Shigeko Iijima
Shibata Kazunori
Shibata Kazunori
Application Number:
JP2017082103A
Publication Date:
January 05, 2022
Filing Date:
April 18, 2017
Export Citation:
Assignee:
Mitsubishi Chemical Infratec Co., Ltd.
International Classes:
F16L47/28; E03C1/02; F16L57/00
Domestic Patent References:
| JP3031665A | ||||
| JP5264126A | ||||
| JP2004278624A | ||||
| JP2002235889A | ||||
| JP2005188682A | ||||
| JP2013152004A | ||||
| JP4066492U | ||||
| JP4119290A |
Attorney, Agent or Firm:
Tsuyoshi Shigeno
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