Title:
樹脂管同士の仮固定構造
Document Type and Number:
Japanese Patent JP6921588
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a temporary fixing structure of resin pipes which has a centering function and a drawing force at EF fusion, is reducible in a size of a clamp, excellent in economical efficiency, and disposable.SOLUTION: This temporary fixing structure 50 of resin pipes comprises an EF-joint 1 and a clamp 60. In the EF-joint 1, a heating wire 3h is incorporated into a fusion part M abutting on the resin pipe 5 which is fit into a receptacle 7, and at an external peripheral face of the receptacle 7, there are formed a first tapered part 44 which is formed so as to be narrowed as progressing toward an outer end side from a center side in a J-direction, a second tapered part 64 in which an engaged part 46 is formed, and which can abut on the first tapered part 44 at internal peripheral faces of a pair of halved holding parts 62A, 62B in the clamp 60, and an engagement part 66 which can be engaged with the engaged part 46.SELECTED DRAWING: Figure 2
Inventors:
Kenji Mizukawa
Application Number:
JP2017072629A
Publication Date:
August 18, 2021
Filing Date:
March 31, 2017
Export Citation:
Assignee:
Sekisui Chemical Co.,Ltd.
International Classes:
F16L47/03; F16L21/06
Domestic Patent References:
| JP3194295A | ||||
| JP2000346270A | ||||
| JP2007155064A | ||||
| JP2001355782A | ||||
| JP10068489A | ||||
| JP3194291A | ||||
| JP60037690U | ||||
| JP6300177A |
Foreign References:
| EP2617552A1 |
Attorney, Agent or Firm:
Nishizawa Kazumi
Hiroshi Yamaguchi
Yoshifumi Saeki
Ryuichiro Mori
Makiko Otsuki
Yuichiro Kawagoe
Hiroshi Yamaguchi
Yoshifumi Saeki
Ryuichiro Mori
Makiko Otsuki
Yuichiro Kawagoe