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JPH08193609A |
PURPOSE: To provide a high strength bolt, the fastening work of which can be done only from the outside and whose torque coefficient can accurately be obtained, when a beam or the like should be directly connected by means of a bolt to t...
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JPH08177838A |
PURPOSE: To provide a judging method for the loosening of a bolt by which the loosening of a bolt can be easily judged by visual checking without taking time and requiring skill. CONSTITUTION: An annular member 3 is disposed between wash...
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JPH08174414A |
PURPOSE: To provide sufficient fastening force without being excessively fastened by eliminating a loss in fastening force to the possible minimum level, providing strong fastening force by small rotation input, providing sufficient fast...
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JP2513754B2 |
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JP2505415B2 |
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JP2505551B2 |
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JPH08144712A |
PURPOSE: To lengthen starting time so as to prevent not to meet needs for shortening the starting time, by assembling a pressure vessel in such a manner that once bolts are completely loosed and tightened again by predetermines stress af...
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JP2501957B2 |
The substantially leak proof glazing system comprises a plurality of panels (10), each of which comprises a sheet of glass surrounded by a frame. The frame is formed of two angle members along each edge of the sheet which are slightly sh...
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JPH08130060A |
PURPOSE: To provide a bolt-tightening type connector requiring small manufacturing man-hours, of low cost, and having a bolt which can be broken, and a bolt-tightening type connector in which a housing or nut is not damaged when the bolt...
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JPH08121445A |
PURPOSE: To provide a high strength bolt capable of easily performing torque control in fastening without increasing the processing costs of a joint part, and a joining method using the high strength bolt. CONSTITUTION: A taper part 16 o...
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JPH08121446A |
PURPOSE: To provide a nut wherein a bolt is not broken even if torque exceeding the specified fastening torque is applied. CONSTITUTION: Cutouts 3 each of which has the suitable length, width and depth are provided on respective corner p...
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JPH08105422A |
PURPOSE: To smooth fitting of an inner sleeve without damaging any function in a molten metal plated pin tale by setting a ridge angle of the pin tale smaller than a root angle of the inner sleeve in a fastening device. CONSTITUTION: A p...
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JPH08105173A |
PURPOSE: To make it possible to easily manufacture steel framed stairs finishing an exterior wall surface of an open string smoothly without using any special tool. CONSTITUTION: In an open string 17 boring a through-hole 19 (a), treads ...
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JPH0874827A |
PURPOSE: To provide a high strength bolt which necessitates neither friction treatment nor rust removal in connection of connection members. CONSTITUTION: A number of uneven portions 20 are formed on a rear surface 12a of a flange-like h...
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JPH088335Y2 |
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JPH0819927B2 |
The liner used in the combuster and other components is fabricated from a cylindrical shell (14) and segmented panels (12) attached to the shell. The attachment includes a self-locking nut (22) and flexible bushing (20) mounted on a ...
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JPH0839452A |
PURPOSE: To facilitate mounting/demounting work by decreasing size of a total unit structure further lightening weight while tightening force can be adjusted to a required value and work can be performed by supporting a bolt tightening d...
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JPH0842539A |
PURPOSE: To provide a high strength bolt which is devised to perform insertion of a bolt shaft from both sides of a joining member according to a conventional working method and inspection reference. CONSTITUTION: At the two end parts of...
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JPH0828533A |
PURPOSE: To achieve decrease of manufacturing costs and improvement of manufacturing efficiency, and also to facilitate the detachment of a member separated in fracture of a bolt from a member to be connected. CONSTITUTION: A bolt 2 is f...
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JPH0828534A |
PURPOSE: To provide a bolt by which fastening torque of a bolt is made suitable without using any torque wrench, and a connecting part of bus bars and a connecting part between units of insulating bus ducts by using the bolt. CONSTITUTIO...
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JPH083695Y2 |
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JPH083694Y2 |
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JPH086738B2 |
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JPH0821424A |
PURPOSE: To save material of a shear bolt and improve fitting operability to an opposed socket. CONSTITUTION: A shear bolt has a screw shaft 11, and a 7 chip 13 concentrically arranged to the screw shaft 11. Parallel projected lines 16, ...
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JPH0821425A |
PURPOSE: To reduce a manufacturing cost, improve manufacturing efficiency, and easily remove broken parts of a bolt from a fastened member. CONSTITUTION: A bolt 2 is broken at its easily broken portion 27 when excessive fastening force i...
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JPH0814232A |
PURPOSE: To easily adjust the prestress at least in the fastening of screw-type anchor. CONSTITUTION: A prestress control element 9 comprises a shape stable pressure ring 12 and an expansion ring 13, at least one of contact surfaces betw...
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JPH08366B2 |
A screw can be driven home in response to the application of a preselected torque by placing over the head of the screw a tubular first section of a plastic adapter wherein the first section is connected with a polygonal second section b...
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JPH084737A |
PURPOSE: To provide a highly reliable fastening part having a fastening confirming display by which a fastened condition of the fastening part can be reliably confirmed particularly in assembling work and forgetfulness of fastening of th...
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JPH084736A |
PURPOSE: To control fastening force without using a tool having a torque sensor. CONSTITUTION: A bolt and a nut are provided with a mounting-demounting main angular head part and a sub-angular head part 3 which is placed in a step shape ...
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JPH07117092B2 |
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JPH07310872A |
PURPOSE: To enable quick and suitable clamping to be performed by using an electric clamping machine, etc., by forming a breaking groove to be broken by a torque value for generating flange clamping target surface pressure determined acc...
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JPH07310718A |
PURPOSE: To provide desired bolt axial tension by tightening a bolt through the center hole of a nut with a bearing integrated via many steel balls laid between a recessed box and the nut body rotatably coupled to the inside thereof loos...
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JPH07310717A |
PURPOSE: To prevent the concurrent turn of a bolt with a nut by providing the end of the bolt with a reaction receiving section extending along a bolt axial line and having an outer diameter less than a bolt thread diameter. CONSTITUTION...
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JPH07109210B2 |
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JPH07107407B2 |
PURPOSE:To provide a fastening and separating mechanism by which impact is reduced when a space navigation body and a separating body are separated from each other and they can be surely separated from each other. CONSTITUTION:A connecti...
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JPH07301219A |
PURPOSE: To provide a protective tool for preferably preventing a high tension bolt temporarily fastened and a nut attached thereto from being exposed to wind and rain, and being easily attached thereto. CONSTITUTION: A protective tool i...
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JPH07269543A |
PURPOSE: To provide a structure of screw which improves the assembly property and the reliability, in the structure of screw having a damping member at the lower part of the head of a screw. CONSTITUTION: A rubber 2 is installed to a scr...
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JPH0744808Y2 |
A joint connection for space frameworks made of rods and joint members wherein the joint members have concentric threaded bores for receiving threaded bolts for the connection of the rods with the joint members. The required torque is ap...
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JPH07259827A |
PURPOSE: To provide a washer whereby tightening axial force can be surely confirmed while the tightening axial force can be applied. CONSTITUTION: A washer is constituted by respectively forming a protruded and recessed part 7, 9 in lowe...
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JPH0786366B2 |
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JPH0786368B2 |
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JPH07224824A |
PURPOSE: To provide a bolt set of which variation of the torque coefficient is small in the change of temperature, compounding ratio, grain size, depositing quantity, and the like and the torque coefficient is synthetically highly stable...
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JPH07224822A |
PURPOSE: To reduce the number of parts and dissolve fall-off of a component by regulating excessive tightening of a bolt with a regulating part formed on the bolt, when a part to be fitted of a component made of resin or the like is fitt...
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JPH07224823A |
PURPOSE: To dissolve a problem that customary bolt fastening axial tension is largely dispersed in a device for fastening members of a building or the like by means of a bolt and a nut. CONSTITUTION: This device for fastening members to ...
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JPH07217626A |
PURPOSE: To carry out heating to the optimal temperature distribution in the shortest time by inputting fastening condition, material, the shape, and the size of a bolt to a condition setter, outputting the optimal heating condition sign...
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JPH07217629A |
PURPOSE: To improve bending strength of a screw thread part by arranging the fibrous reinforcing material such as a glass fiber and the like radially in shaft diameter direction of a bolt/nut, and covering the bolt/nut with the fibrous r...
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JPH07216506A |
PURPOSE: To improve strength at ordinary temp. and delayed fracture resistance by forming a refractory stock of a specific composition into bolt shape and applying, prior to hardening treatment, acid pickling or alkali degreasing. CONSTI...
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JPH0732972Y2 |
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JPH0738793U |
[Purpose] The present invention relates to the structure of a manual or electric handle and shaft mounting portion for winding wires such as a crane and operating various opening / closing doors and valves. [Constitution] 1) When connect...
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JPH07174000A |
PURPOSE: To manufacture inserts with the braking torque to discharge an insert from a nut kept within a specified range by incorporating a plurality of lips holding the insert in a recess in the head of the nut. CONSTITUTION: An insert 3...
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