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21. 发明专利

JPH08105027A FACILITATED STEEL SHEATHING FRAME 失效
公开(公告)号：JPH08105027A
公开(公告)日：1996-04-23
申请号：JP23416394
申请日：1994-09-02
申请人： NIKKEN METAL KK
发明人： TAJIMA NOBUAKI , MATSUMOTO KANTA , SHIMODA WATARU
IPC分类号： E02B3/08 , E02D17/08 , E02D17/20
摘要： PURPOSE: To improve attractiveness by installing and fixing an expander metal tensely on the bottom and peripheral surfaces of a cubic frame comprising L-section frameworks and forming it in arc shape so that the front face of it can be dwelled outward. CONSTITUTION: Steel L-section frameworks 2 are combined with each other for connection so as to form a cubic frame 3. Also an expander metal 4 is installed and fixed tensely on the bottom and peripheral surfaces of the cubic frame 3, and the front face 5 is formed in arc shape so that the front face 5 of it can be dwelled outward so as to form a sheathing frame 1. In executing the work, the sheathing frames 1 are arranged in lateral direction and connected, and stone materials are filled into the sheathing frames 1.

22. 发明专利

JPH07138955A EARTH RETAINING DEVICE 失效
公开(公告)号：JPH07138955A
公开(公告)日：1995-05-30
申请号：JP31131393
申请日：1993-11-17
申请人： NIPPON STEEL METAL PROD , NIKKEN METAL KK , SUGATA KOGYO KK
发明人： IIMURA TAMIJI , MACHIDA SADAO , YUKI TAKESHI
IPC分类号： E02D17/08
摘要： PURPOSE:To ensure a wider passage in an excavated trench used for lowering a pipe and to lengthen a turning support section to prevent it from hanging downward of a spindle main body in the case the spindle main body consisting of a water pressure or hydraulic pressure cylinder is turned in the horizontal direction. CONSTITUTION:T-shaped hooks 15a and 29a of an interlocking member 15 of the basic end spindle receiver 16 and an interlocking member 29 of the front end spindle receiver 30 are fitted in longitudinal slots 1b of guide rails 1 and 1, and they are turned to 90 degree so as to prevent them from loosing. Wedges 14 and 28 are driven, and the interlocking members 15 and 29 are made to adhere to the guide rails 1. After that, a pivot section 8 of a coupling device 9 connected to one end of a spindle main body 4 is connected to a pivot section 11 of the receiver 16 with a pin 10. The other end thereof is covered with a coupling device 23 connected with a pin 17, and both ends are interlocked with both outsides of a cylindrical body 25 in which a pin 24 is inserted. After that, a cylinder of the main body 4 is operated and is expanded, and the guide rails 1 and 1 are maintained in specific trench width. In addition, the main body 4 is sufficiently supported by the long vertical turning support section. According to the constitution, piping work efficiency of the pipe can be promoted.

23. 发明专利

JPH10220031A FORM DEVICE FOR REINFORCING CONCRETE LINING AND PROCESS OF REINFORCING CONCRETE LINING CONSTRUCTION METHOD 失效
公开(公告)号：JPH10220031A
公开(公告)日：1998-08-18
申请号：JP3843497
申请日：1997-02-06
申请人： NIKKEN METAL KK
发明人： YONEZAWA MITSUYOSHI
IPC分类号： E04G23/02
摘要： PROBLEM TO BE SOLVED: To prevent a form from being inclined during filling concrete for reinforcing concrete lining around an existing post in order to reinforce earthquake resistance. SOLUTION: A form 4 is provided around an existing post 1 is formed therein with openings 5 at several positions. Spacer devices 26 are fitted in the openings 5 in the four side surfaces of the post 1 at the second counted from the bottom of the post 1, respectively, jack bolts 14 in the spacer devices 26 are adjusted so as to regulate spaces between the form 4 and the four side surfaces of the post 1. Concrete is filled through the lowermost openings 5, up to a level in the vicinity of the lower edges of the lowermost openings 5. Then, the filling of the concrete is interrupted once, and the spacer devices 26 are removed from the openings 5 at the second counted from the bottom of the post 1 while the openings 5 at the second counted from the bottom of the post 1 are covered, and are then fitted in the openings 5 at the third counted from the bottom of the post 1, and the concrete is filled through the opening 5 at the second. With the repetitions of this work upward along the form 4 from the bottom, the concrete is placed over the entire height of the post 1 therearound.

24. 发明专利

JPH10121420A STRUCTURE FOR BUFFERING LOAD OF FALL AND WORK EXECUTION METHOD THEREOF 失效
公开(公告)号：JPH10121420A
公开(公告)日：1998-05-12
申请号：JP9009597
申请日：1997-03-25
申请人： JSP CORP , NIKKEN METAL KK
发明人： MITSUMOTO MASANORI , KANDA MASAO , IWASAKI HARUHIKO , SANO AKIHIKO , YONEZAWA MITSUYOSHI
IPC分类号： E01F7/04
摘要： PROBLEM TO BE SOLVED: To reduce the burden of weight to be applied to a rock shed with a structure for buffering load of fall, which is provided on a rock shed or a snow shed. SOLUTION: A structure 5 for buffering load of fall is provided on a roof 4 of a rock shed or a snow shed. This structure for buffering load of fall is formed of plural polypropylene group resin foaming bodies 6 laid on the roof 4 in the layered condition and a protecting sheet for covering the polypropylene group resin foaming bodies 6. Excellent impact resistance, elasticity, permanent deflection resistance of the polypropylene group resin foaming body 6 are utilized in relation to light stone fall so as to form a protecting layer of a light protecting sheet. With this structure, weight of the structure for buffering load of fall is remarkably lowered so as to reduce the weight burden of the rock shed 1.

25. 发明专利

JPH09328755A SOIL RETAINING PANEL FOR TRENCH OUT CONSTRUCTION METHOD 失效
公开(公告)号：JPH09328755A
公开(公告)日：1997-12-22
申请号：JP15123496
申请日：1996-06-12
申请人： NIPPON STEEL METAL PROD , NIKKEN METAL KK , SHINKANDA KOGYO KK
发明人： HANAI MASAJI , MACHIDA SADAO , TAKANEZAWA YOSHIMITSU , IIDA NOBUAKI , YUKI TAKESHI , KAWAGUCHI SEIJI , IIMURA TAMIJI
IPC分类号： E02D17/08
摘要： PROBLEM TO BE SOLVED: To simplify a structure of a soil retaining panel and improve the ease of use by fixing a binding plate at a position where a groove opening in an end part of a vertical beam having a groove fixed on fringes on both sides of a face plate is blocked and providing a connection pin of upper and lower panels in an end part of the vertical beam by utilizing the binding plate. SOLUTION: Vertical beams 1, 1 are fixed in the vertical direction along fringes on both sides of an inner face of a face plate which is formed in such a manner that it has the same size and shape as a soil retaining panel and a plurality of horizontal reinforcing rigid members 2 are fixed in parallel across an interval in the right and left directions and in the vertical direction between the vertical beams 1, 1 on the right and left. The vertical beam 1 is provided with a groove 16 of which front is opened in the vertical direction, and a binding plate 4 is fixed at a position where an opening of the groove 16 in an upper end part and a lower end part is blocked by welding. A connection pin 7 which connects soil retaining panels which are accumulated in the vertical direction is provided in such a manner that it faces up or down in at least one part of the upper end part and the lower end part of the vertical beam 1 by utilizing the binding plate 4. The connection pin 7 is inserted into the groove 16, and a set screw 6 is inserted into a through hole 4a in a condition in which a stopper comes into contact with an end face of the vertical beam 1 and is screwed in a screw hole of the connection pin 7.

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