Title:
更新用継手、配管構造、配管の更新方法
Document Type and Number:
Japanese Patent JP7449133
Kind Code:
B2
Abstract:
To facilitate the renewal of standing pipes.SOLUTION: The joint for renewal 20 comprises: a joint body 21 in which the lower end 91b of a first standing pipe member 91 is arranged in the upper end 21a and the upper end 92a of a second standing pipe member 92 is arranged in the lower end 21b; and a standing pipe communication part 22 disposed in a middle part 21c between the upper end 21a and lower end 21b of the joint body 21 and provided between the lower end 91b of the first standing pipe member 91 and the upper end 92a of the second standing pipe member 92. The outer peripheral surface of the joint body 21 is provided with an opening 23h for taking out the standing pipe communication part 22 from the inside of the joint body 21 to the outside.SELECTED DRAWING: Figure 2
Inventors:
Kento Matsubara
Masayuki Oshiro
Masayuki Oshiro
Application Number:
JP2020050116A
Publication Date:
March 13, 2024
Filing Date:
March 19, 2020
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
E03C1/122; F16L1/00; F16L21/00
Domestic Patent References:
| JP2006022581A | ||||
| JP2009270345A | ||||
| JP3181260U | ||||
| JP2011202803A |
Foreign References:
| US20050151369 |
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi
Yuichiro Kawagoe
Makiko Otsuki
Hiroshi Yamaguchi