Title:
弁および連結器
Document Type and Number:
Japanese Patent JP6625732
Kind Code:
B2
Abstract:
A seal for a valve having a valve closing member. The seal comprises a ring (54) having an inner surface (54a) surrounding a bore (40), the inner surface (54a) being in use sealingly engageable with the valve closing member. First and second lobes (56, 58) are positioned on opposite sides of the ring (54), the lobes (56, 58) extending circumferentially around the ring (54) and projecting in opposite directions from one another along an axis coaxial with the bore (40). Each lobe (56, 58) comprises a band having a first edge attached to the ring and a second oppositely disposed edge comprising a sealing surface facing the axis. According to a preferred embodiment, the seal comprises a liner (52) and a shroud made of a flexible, resilient material.
Inventors:
Wartman, Stephen A.
Doll, Douglas Earl.
Doll, Douglas Earl.
Application Number:
JP2018511002A
Publication Date:
December 25, 2019
Filing Date:
September 14, 2016
Export Citation:
Assignee:
Victor Rick Company
International Classes:
F16K27/02; F16K1/226; F16L21/06; F16L23/04
Domestic Patent References:
| JP8114270A | ||||
| JP50074817A | ||||
| JP7038823U | ||||
| JP1073582U |
Foreign References:
| US5360030 | ||||
| US5037141 | ||||
| US5018704 | ||||
| US4133513 | ||||
| US3017204 | ||||
| US20110154646 | ||||
| US20080173841 | ||||
| WO2011027799A1 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Natsuki Morishita
Natsuki Morishita