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JP6793115B6 |
A wheel nut or axle nut for vehicles, having a body, having a central threaded hole, having a peripheral wall, and having an abutment face at a lower side The nut also has a plurality of wrench faces on the peripheral wall of the nut bod...
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JP6803632B1 |
To provide a seizure prevention fastener in particular, which belongs to the technical field of a fastener. The bolt 1 is composed of a nut 3 having a stopper and an accommodating groove, and two nuts of a nut 2 having a pressure receivi...
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JP2020186950A |
To provide a bolt and a detection system which have high detection accuracy of detecting change in a fastening state of a fastened member.A bolt 100 includes: a bolt body 100A having a cylindrical part 120 which includes a screw groove p...
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JP2020183803A |
To provide a fastening device which does not lower a fastening force of a nut with respect to a bolt, can surely prevent the forgetting of the fastening of the nut, is easy in manufacturing, and easy in fastening, and a fastening method....
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JP6779568B2 |
To make it possible to reliably perform engagement fastening with a prescribed fastening torque and to enhance work efficiency at a low cost.There is provided a fastening torque control tool 1 in which an engagement part 2 having an enga...
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JP6779570B2 |
To provide a fastening torque control tool which can reliably perform screwed fastening at a prescribed fastening torque, can enhance a work efficiency at a low cost, and further, in which a usable screw member has a high degree-of-freed...
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JP6779569B2 |
To provide a fastening torque control tool which can reliably perform screwed fastening at a prescribed fastening torque, can enhance a work efficiency at a low cost, and further, in which a usable screw member has a high degree-of-freed...
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JP2020176703A |
To easily detect an interval between members.A detection structure for a member interval comprises a first member 10, and a second member 20 which faces a main body 11 of the first member 10 and has a main body 21 arranged with an interv...
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JP2020528127A |
The present invention relates to the plug bolt 1, and more particularly to, but is not limited to, the plug bolt 1 for use with a device such as an air-cooled heat exchanger. One of the problems with traditional plug bolts is that when t...
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JP6752836B2 |
A problem is to provide a fastening screw with which an axial tension generated in a screw at a time of fastening is easily grasped, and the axial tension of the screw after fastening can be easily managed, even in a screw with a large d...
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JP6749744B2 |
A torque retention arrangement 10 for a flange bolt connector for use with pipe. The torque retention arrangement comprises a carrier body 12 and a plurality of springs 42, 43, 44. The carrier body can include a plurality of spring holes...
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JP2020133875A |
To provide a connection structure of a tubular member capable of performing fastening and fixing simply while adding axial force to the tubular member.A connection structure of a tubular member comprises: a steel pipe 10 in which mountin...
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JP2020128775A |
To provide a packing and a screw-type fastening device using the same, capable of preventing breakage of the packing in fastening and allowing appropriateness of a driving state of a screw to be accurately visually confirmed, due to an o...
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JP6728492B2 |
The present invention relates to a connecting element (10) having a longitudinally extended connecting body (11) and a sensor (12), and to a method and measuring system provided with such a connecting element (10). The connecting element...
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JP6719187B2 |
To provide a nut capable of being properly fastened, and enabling a user to easily confirm that fastening has been properly done.A nut is configured such that an inside member includes an inside contact body 40 having an inside support p...
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JP2020101978A |
To detect even minor looseness of a tightening member tightened to a component.A looseness detection label includes: a film substrate 10 having adhesive areas 10a, 10b to be attached to a component to be tightened and a tightening member...
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JP2020085056A |
To provide a shaft assembling method which can adjust a total length dimension of a liner to a desired regulation dimension without performing torque management.A shaft assembling method for assembling a shaft (40) to a liner (10) in whi...
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JPWO2019003564A1 |
To provide a novel fastening state monitoring kit capable of monitoring a screw fastening state, and a fastening state monitoring method using the fastening state monitoring kit. A fastening condition monitoring kit (11, 12) including a ...
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JP6682518B2 |
The invention relates to a method for installing metallic fastener (10; 40) for the interference fit assembly of at least two structural elements (20, 22) comprising a through hole, the fastener comprising an enlarged head (12; 42), a sh...
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JP2020051465A |
To easily discriminate whether prescribed torque is applied to a bolt or not from the appearance in fastening by the bolt.A bolt 1 used for fastening a fluid control apparatus V is constituted by a body 2 and a rotary member 3. The body ...
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JP6667808B2 |
To improve work efficiency by enabling work for fixing an anchor to a lower hole on a ceiling slab and fitting a hanging bolt in drooping state to be carried out as a series of work.A construction method of an anchor 1 comprises: a first...
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JP2020035601A |
To provide a connector for connecting wire etc., enabling re-tightening or removal even after cutting the head of a shear bolt.A connector 1 for connecting wire is provided to connect a second wire W2 by inserting the second wire W2 into...
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JP6649559B2 |
A member (10), for bearing a load, including a load receiving portion (12) at which the load is applicable to the member. A strainable portion (14) is connected to the load receiving portion to be strained by the load. A datum (16a) is d...
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JP2020020646A |
To simply detect bolt looseness in a bolt looseness detection method, a fatigue fracture prevention method, and a mechanical structure.In a bolt looseness detection method, a bolt fastening body 1 including a bolt 10 and a member 20 to b...
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JP2020020410A |
To provide a fastener capable of detecting looseness of a fastening body stably.A fastener includes: a fastening body 10 which rotates relative to a fastened body to fasten the fastened body; a washer 20 attached to a position between th...
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JP6633137B2 |
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JP6629166B2 |
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JP2019536965A |
A pressurizing system for bolt tensioning is an inlet that receives compressed gas; a fluid outlet that is connected to a bolt tensioning device; a pump that pumps fluid to increase the pressure at the fluid outlet, at the inlet. A pump ...
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JP2019534993A |
The present invention is a screw connection mechanism (1), wherein the screw connection mechanism (1) has an element having a thread extending along the longitudinal axis (L), particularly a screw element (2) and a corresponding element ...
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JP6616150B2 |
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JP2019203598A |
To inspect an extra length of each bolt at low costs with high workability even when the number of bolts to be inspected is large.A bolt fastening inspection tool 1 includes a cylindrical bolt insertion portion 2, and a tongue-shaped por...
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JP6612955B1 |
To provide a fitted portion or the like which can reduce the probability of erroneous detection of defective fitting of the fitted portion to the fitted portion. A plurality of fixing members are formed with a recess and include a first ...
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JP2019197025A |
To directly measure the displacement of a fastening element in a non-contact manner and calculate an axial force. A method of measuring the displacement of a fastening element (10) that fastens a fastening part (60) to a member to be fas...
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JP2019196814A |
To enable the looseness inspection of at least a nut, while allowing both the looseness inspection of the nut and the looseness inspection of a bolt at a site where the nut is threaded to the end of the bolt.A cap mainly includes a nut c...
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JP2019531447A |
In the present invention, the rotating element is screwed by a rotational motion around the longitudinal direction (D), the rotating element has a polygonal cross section in a plane perpendicular to the longitudinal direction, and the po...
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JP2019175667A |
To provide a detection sensor capable of detecting an abnormality in a tightening state of a screw.A detection sensor 10 that detects an object W includes fastened portions 35 and 39 that are fastened and attached to an attachment object...
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JP6587163B2 |
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JP2019168099A |
To provide a fastening structure and an in-wheel motor drive device, which can improve the design.A fastening structure includes: a fastened member (43) which is formed with through holes; fastening members (44) which are inserted in the...
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JP2019168445A |
To provide a threaded joint incorporating a visual torque indicator that enables determination of proper torquing using visual inspection methods.A threaded element for a mechanical joint includes a body having threads and a visual torqu...
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JP2019138377A |
To improve assemblability upon coupling a male screw to a female screw, and also stabilize a frictional coefficient between the male screw and the female screw.Of at least one thread of a female screw 15a and a male screw 22a, on a slope...
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JP6559172B2 |
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JP6556490B2 |
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JP6556474B2 |
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JP6553957B2 |
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JP6550854B2 |
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JP2019090496A |
To provide a looseness detector which enables looseness of a screw fastening component to be detected by visual inspection.Looseness detectors are located adjacent to each other, are respectively attached to screw fastening components, i...
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JP2019078401A |
To detect metal fatigue of a bolt and prevent looseness of the bolt, and utilize the significant difference between elongation force of the bolt due to the metal fatigue and force that the bolt loosens.An L-shaped metal 4 housed in a gro...
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JP2019078611A |
To provide a structure with which it is possible to detect the looseness of a fastening member with high versatility while preventing an increase in the weight of a machinery to which the fastening member is attached.Provided is a tag fo...
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JP6501965B1 |
To set a tightening force by a bolt and a nut as a target tightening force. This is a method of tightening a bolt and a nut for fastening an object to be fastened, and in a state where a predetermined tensile force in the axial direction...
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JP6502156B2 |
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