Title:
継手
Document Type and Number:
Japanese Patent JP7142557
Kind Code:
B2
Abstract:
To provide a joint which enables easy removal of a holder from a clamp ring.SOLUTION: In a joint 10 of the invention, a clamp ring 21 enclosing a core part 15 from the outer side is kept in a diameter expansion state by a holder 30. The clamp ring 21 is formed by a portal protruding piece 26 and a facing protruding piece 27 protruding from both end parts of a ring body 22 to the radial outer side. The holder 30 has: a first sandwiching piece 32A and a second sandwiching piece 32B which protrude from a support base 31 and sandwich the portal protruding piece 26 and the facing protruding piece 27; and a pressed piece 35 extending from the support base 31 to the center axis side of the core part 15. The first sandwiching piece 32A has a first tip side protruding part 33S which contacts with a portion of the facing protruding piece 27 located at the base end side of the core part 15. The second sandwiching piece 32B has: a second base end side protruding part 34K which contacts with a portion of the portal protruding piece 26 located at the base end side of the core part 15; and a second tip side protruding part 34S which contacts with a top part 26H of the portal protruding piece 26.SELECTED DRAWING: Figure 7
Inventors:
Yoshihiko Nishi
Application Number:
JP2018235120A
Publication Date:
September 27, 2022
Filing Date:
December 17, 2018
Export Citation:
Assignee:
Inoac Co., Ltd. Living Environment
International Classes:
F16L33/025; F16B2/24; F16B7/04; F16L33/24
Domestic Patent References:
| JP3952014B2 | ||||
| JP4113093A | ||||
| JP1169690U | ||||
| JP2007100872A | ||||
| JP2006322541A |
Attorney, Agent or Firm:
Hiroshi Matsuura
Kanako Axis
Kanako Axis
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