Title:
プレテンション付与装置
Document Type and Number:
Japanese Patent JP7007709
Kind Code:
B2
Abstract:
To provide a pre-tension application device increasing the precision of tension applied to a PC steel and also having high safety.SOLUTION: There is provided a pre-tension application device for producing pre-stressed concrete where a tip guide frame 27 freely slidably provided with a steel supporting material 17 and a base part supporting frame 26 are fixedly fitted to a board 11, the tip guide frame 27 has a jack receiving part 42 and a PC steel supporting part 43, the jack receiving part 42 is arranged at a jack extrusion space 40 extrusion-sliding the jack receiving part 42 in a jack 20, and the PC steel supporting part 43 is arranged at a PC steel supporting space 41 extrusion-slid by the jack 20 and applying pre-tension to a PC steel 13.SELECTED DRAWING: Figure 1
More Like This:
| JPS5894502 | 【考案の名称】プレストレストコンクリ-トパイルにおける緊張棒と継手金物の接続装置 |
Inventors:
Masahiro Furushiro
Application Number:
JP2017218752A
Publication Date:
January 25, 2022
Filing Date:
November 14, 2017
Export Citation:
Assignee:
Ox Jack Co., Ltd.
International Classes:
B28B23/06
Domestic Patent References:
| JP2016182715A | ||||
| JP2003205514A | ||||
| JP64006442A | ||||
| JP2000296516A | ||||
| JP2004346630A | ||||
| JP2007276123A |
Attorney, Agent or Firm:
Toshiaki Furusawa
Previous Patent: Dryer
Next Patent: Bluefin tuna hereditary sex marker and hereditary sex discrimination method
Next Patent: Bluefin tuna hereditary sex marker and hereditary sex discrimination method