Title:
ロータリージョイント及び該ロータリージョイントを備えた連続アンローダ
Document Type and Number:
Japanese Patent JP7137386
Kind Code:
B2
Abstract:
To provide a rotary joint and a continuous unloader including the rotary joint less influenced by manufacturing accuracy of a fixed cylindrical body and a rotary cylindrical body, and capable of reducing leakage of a fluid by suppressing damage of a seal member.SOLUTION: A rotary joint includes a fixed-side seal groove 207 recessed on a fixed-side slide surface 206 of a fixed cylindrical body 200 to a rotary cylindrical body 300, a rotary-side seal groove 307 recessed on a rotary-side slide surface 306 of the rotary cylindrical body 300 to the fixed cylindrical body 200, a fixed-side seal member 210 in which a fixed-side resin ring 212 composed of a resin material is adhered to a fixed-side O ring 211 composed of an elastic body, and inserted to the fixed-side seal groove 207, and a rotary-side seal member 310 in which a rotary-side resin ring 312 composed of a resin material is adhered to a rotary-side O ring 311 composed of an elastic body and the rotary-side resin ring 312 is fitted into the rotary-side seal groove 307 in a manner of being kept into contact with the fixed-side resin ring 212.SELECTED DRAWING: Figure 2
Inventors:
Hiroshi Tsuji
Application Number:
JP2018138145A
Publication Date:
September 14, 2022
Filing Date:
July 24, 2018
Export Citation:
Assignee:
ihi Hauling Machine Co., Ltd.
International Classes:
F16L27/08; B65G67/60; F16J15/18; F16J15/3268
Domestic Patent References:
| JP2002005365A | ||||
| JP52170721U | ||||
| JP51145613U | ||||
| JP63065623U | ||||
| JP2016211596A | ||||
| JP2013210067A |
Foreign References:
| CN104040230A | ||||
| CN101305226A | ||||
| US20160258564 | ||||
| KR1020160041126A | ||||
| US4336944 |
Attorney, Agent or Firm:
Patent Attorney Yamada Patent Office