Title:
【発明の名称】管継手
Document Type and Number:
Japanese Patent JP3289108
Kind Code:
B2
Abstract:
PCT No. PCT/GB93/02175 Sec. 371 Date Apr. 20, 1995 Sec. 102(e) Date Apr. 20, 1995 PCT Filed Oct. 21, 1993 PCT Pub. No. WO94/11718 PCT Pub. Date May 26, 1994.A joint which comprises a first joint component having an axial aperture and a second joint component having an axial aperture arranged coaxially with the aperture in the first joint component. The joint components have a gasket ring interposed therebetween to act as a fluid seal. The components are joined by bolts and within the gasket ring are a number of stress or strain responsive elements equispaced around the entire periphery of the gasket ring, each comprising a pair of electrodes sandwiching a stress or strain responsive material. The responsive elements have opposed faces which are spaced from the opposed faces of the gasket ring and the electrodes and are connected to an output via leads to give an indication of the stress or strain within each individual element corresponding to the torque force applied to a proximate bolt.
Inventors:
Sparring, christopher
Application Number:
JP51181094A
Publication Date:
June 04, 2002
Filing Date:
October 21, 1993
Export Citation:
Assignee:
Intellectual Property Holdings PTE Limited
International Classes:
F17D3/00; G01L5/00; G01L5/24; G01L23/18; F16B31/02; (IPC1-7): F17D3/00; G01L5/00
Domestic Patent References:
| JP2179430A | ||||
| JP5256709A | ||||
| JP4231829A |
Other References:
【文献】米国特許1569837(US,A)
【文献】米国特許3151258(US,A)
【文献】米国特許4741231(US,A)
【文献】米国特許3151258(US,A)
【文献】米国特許4741231(US,A)
Attorney, Agent or Firm:
Akihiko Umeda