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JPH1137121A |
To enhance fatigue strength by making the root of a stud thread larger than that of a standard thread, and enlarging an inner diameter on the internal thread side. The root R (R=R1) of a stud thread in relation to a thread pitch P is to ...
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JPH1130216A |
To maximally reduce failure in fastening and fastening negligence in a fastening part and to check whether a fastening condition is good or not from a distance. A fastening condition visually checking member 1 provided with an insertion ...
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JP2851652B2 |
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JPH1122416A |
To fasten a bolt while grasping the fastening force to a required fastening force by providing a means for detecting the elongation of the bolt extended and contracted according to fastening force in a steam turbine having a plurality of...
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JP2588763Y2 |
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JPH112225A |
To provide an assembly body structure for a plurality of members and a washer to form a marking part formed at the periphery of a screw and representing that a screw is completely fastened, in relation to screw fastening, so that a screw...
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JPH112226A |
To provide a nut with a spring washer and a bolt and nut fastening method to prevent the generation of refuse after a fastening work, simplify fastening torque management, and reduce a cost. This nut with a spring washer 8 comprises a nu...
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JP2844560B2 |
In order to elongate and relax a stud (1) or the like, a first part (4) which is movable only axially engages the stud, a second part (3) is connected with the first part (4) and a friction element (5) is connected with at least one of t...
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JPH10338824A |
To provide an apparatus for screw fastening which can provide high corrosive prevention, high lubricity, high compatibility with a top coating material and axial tension being independent of a temperature change and stable. A torsia type...
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JPH10331824A |
To provide a bolt and nut fastening management method which generates no refuse after a fastening work, realizes a reduced cost, and can carry out a fastening torque management simply. In a bolt and nut fastening management method which ...
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JPH10331859A |
To provide a liquid-operated nut which permits relative rotation between an annular member to be installed and a shaft. This invention is concerned with a liquid-operated nut 14 for permitting an a bearing ring to be installed on to a sh...
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JPH10331823A |
To provide a bolt and nut fastening management method in which the fastening completion can be decided visually even when a tool with socket is used in order to confirm the completion of the fastening work, and the fastening torque manag...
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JPH10331822A |
To provide a bolt and nut fastening management method which can confirm and manage the completion of the fastening work of a bolt and a nut simply, can prevent a fastening failure, and can manage the fastening torque simply, as well as c...
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JP2835878B2 |
For elongating and relaxing a bolt, a stud and the like (1) having an axis and arranged in an object (2), the stud (1) is connected with a first part (4) which is moveable only in an axial direction so as to pull the stud (1) in the axia...
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JP2587113Y2 |
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JP2837071B2 |
PURPOSE:To detect the presence of loosening without being influenced by noises or the like caused by mechanical vibration from the outside. CONSTITUTION:This apparatus is provided with a jetting nozzle 10 to jet a fluid 11 to a coupled p...
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JPH10512348A |
PCT No. PCT/SE95/01204 Sec. 371 Date Jun. 30, 1997 Sec. 102(e) Date Jun. 30, 1997 PCT Filed Oct. 16, 1995 PCT Pub. No. WO96/12114 PCT Pub. Date Apr. 25, 1996The invention relates to a fastening element with a torque-limiting function, co...
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JPH10306816A |
To simply remove the tip, such as drilling part of a screw protruded from a work. A tapping screw with a tip removing function is formed such that a drilling part is arranged at the tip of a leg part 3, and a breaking groove 16 is formed...
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JPH10299739A |
To surely fasten a fastening member by prescribed torque by constituting a fastener by the fastening member forming a screw and an operating member stuck to the fastening member via an adhesive layer so as to be separated from the fasten...
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JPH10292810A |
To mitigate shearing force and prevent a fastening defect of a mounting member by interposing a sliding means between the bearing surface of a mounting member and the bearing surface of a fastening member. A bolt 5 of a fastening member ...
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JPH10281127A |
To reduce the labor of research sharply by visually recognizing whether a fastened part is surely fastened or not from a position separated from the fastened part. A washer 16, fastened members 12, 11, a washer body display member 21, a ...
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JPH10281133A |
To provide a bolt to be required for a low coupling strength like a case that when a load higher than a given value is inputted, an impact applied on a human body is relaxed through disconnection of a nut from the bolt. A brittle means 3...
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JPH10281126A |
To provide a load receiving member provided with a converter without using a mask by constituting a device by a specific piezoelectric element formed on one end surface of a load receiving member, an electric pole formed by a specified c...
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JPH10274225A |
To facilitate the visual confirmation of screw fastening by providing two flat washers and a display part between these flat washers and forming the bulged out parts of the display part in the outer peripheral edges of the flat washers b...
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JPH10274224A |
To visually check the tightening of screws easily. A screw tightening indicator 1 which indicates the tightening of screws is so designed that it comprises a hollow ring 2 having a center hole 2B through which an annular hollow part 2A a...
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JPH10274223A |
To easily confirm and manage the completion of fastening by actually fastening a nut equipped with a spring washer to a bolt after temporarily fastening it, the nut having a coloring film for covering the nut and the spring washer to be ...
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JPH10274226A |
To disperse concentrated stress occurring in the same position of a side to be fastened so as to increase its durability by forming a low rigidity part in the vicinity of the tip of the screw part of a fastening bolt composed of a bolt h...
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JPH10510042A |
An axial tensioned bolt and nut for bolting together a turbine or similar piece of equipment. The bolt has parallel threads and the nut has a coil insert. The bolt is stretched and tensioned by a hydraulic tensioner. In one embodiment of...
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JP2581655Y2 |
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JPH10238524A |
To produce a uniform fastening state by reducing the occurrence of unevenness in an axial force. A conical trapezoidal washer 10 is located between the head part 9 of a bolt 5 and the surface of a member 3 about to be fastened. A protrus...
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JP2790702B2 |
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JPH10220421A |
To prevent the breakage of a sensor without any change in a sensor size. A pneumatic cylinder 10 as a drive device has a freely movable piston 14 as a travel member, and the position of the piston 14 is detected with a sensor 20a. A scre...
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JPH10213110A |
To cut a guide part simply in such a manner that cutting allowance does not protrude from a flange surface upon completion of driving a fixing metal by providing a groove in a root part of the guide part and a flange part. A groove part ...
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JPH10196626A |
To provide a connection body in which shearing breakage does not occur even when perpendicular load is applied to a shaft. A bolt 150 is prepared by fitting a shock absorber 10 to a bolt body 151. The bolt body 151 is composed of a head ...
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JPH10196628A |
To provide a connector which can absorb a shock and is prevented from sheare fracture by rolling and bonding fiber and an elastic body alternately so as to form a lamination body, winding the lamination body around a core material so as ...
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JPH10196627A |
To obtain a screw which shows excellent cold pressing performance and does not cause head crack, and its manufacture. A screw without head crack contains C: 0.05 to 0.15wt.%, Si: 0.20wt.% or less, Mn: 0.4 to 1.8wt.%, P: 0.015wt.% or less...
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JP2781456B2 |
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JPH10169632A |
To enable confirmation of readily clamped nut or bolt by providing a foot piece extending in a direction opposite to the seat surface of a nut or bolt head, pressing one tool piece on a member surface during clamping work so as to achiev...
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JP2574193Y2 |
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JPH10148205A |
To provide a fastening tool device by which two aircraft panels having possibility to occur of the mismatch of the holes of the panels engaged with each other, are permanently attached to. A fastening tool assembly is equipped with a bol...
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JP2749915B2 |
An adjustable spacer (20) is located in a unison ring (16) disposed about a gas turbine engine case (19). The spacer (20) includes a pad bolt (44) having a flattened surface (52) for contacting the case (19). The pad bolt (44) is adjuste...
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JP3048107U |
[Task] By providing multiple ultrafine copper fibers (copper capron web) in the filter as sterilization elements in a part of the pump circulation circuit of the 24-hour bath used at home, sterilization in the bathtub can be performed ef...
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JPH10103325A |
To shorten a cooling time for a bolt at a cooling process after heating of a bolt and suppress the increase of the temperature of a flange. First, a bolt 1 is inserted through the bolt holes 30a and 30b of a pair of flanges 3a and 3b sup...
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JP2739713B2 |
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JPH1096472A |
To easily confirm leakage by an external appearance check by generating a projection part to display gas leakage in a flat part of a base tail end nut when gas pressure not less than a specific value is applied to the base tail end nut u...
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JPH1096673A |
To easily and correctly measure an axial stress generated when a bolt is clamped. A transmitting receiving element 7 of an ultrasonic sensor 5 utilizing transversal ultrasonic waves is held in touch with a bolt head part 3a, and an ultra...
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JPH1089332A |
To provide a fastening member having a fastening completion display function by which a fastening completion can be confirmed by a visual observation. A fastening completion display is made by forming a ultraviolet hard resin layer 2 in ...
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JP2566413Y2 |
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JPH1061008A |
To adhere each member even in a case where tightening force acting on a bolt is accurately controlled and the number of members is large when a beam is attached to a square steel pipe. In the column and beam connection part structure, a ...
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JPH1061009A |
To adhere each member even in a case where tightening force acting on a bolt is accurately controlled and the number of members is large when a beam is attached to a square steel pipe. In the column and beam connection part structure, a ...
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