| Document |
Document Title |
|
JP2004183817A |
To provide a high tensile bolt used in a civil engineering structure and the like having a function for preventing the scattering caused by the breaking by delayed fracture during the use.This high tensile bolt has a material having elon...
|
|
JP2004183785A |
To provide a mounting instrument capable of fixing a device on board with optimal load.A screw threadably engages a fastening member 30 through an aperture 16 on rear surface 12 of a fixing member 10 and tip of the screw projects through...
|
|
JP2004169902A |
To provide a nut for a bolt tightening the wood frame of a wooden house which automatically tightens the looseness thereof due to a shrink of wood.When the bolt 2 tightening the wood frame 1 is tightened using the nut 4 with a recess 9, ...
|
|
JP3535295B2 |
To measure axial tension accurately by forming a pin tail integrally at the tip of a bolt with a nut engaged, through a neck part, and forming an ultrasonic reflecting part in the head side position of a torchier type high tension bolt a...
|
|
JP2004154884A |
To provide a screw member fastening method for simply and uniformly fastening four screws in assembling a fluid control device.This screw member fastening method includes: a preliminary fastening step of manually fastening four screw mem...
|
|
JP2004156691A |
To carry out highly accurate bolt axial force control by simple operation.A bolt head 2 is configured by the inside diameter part 5 connected with a bolt shaft part 3 and the outside diameter part 6 provided to the outside. A contact sur...
|
|
JP3532180B2 |
To provide a shear torque nut which can easily regulate the tightening force with a simple structure, and reliably perform the locking. This shear torque nut comprises a torque nut 2 and a shear nut 3 with female screw parts 4 and 5 of t...
|
|
JP3522227B2 |
To provide a bolt tester capable of measuring axial force of a bolt with high accuracy without any influence of expansion and shrinkage due to temperature of operating fluid, and simplifying the work after the completion of measurement. ...
|
|
JP2004108561A |
To provide an easy-disassemble type bolt securing the sufficient fastening force to a fastened member by structurally forming a large area on a part corresponding to a seat face, of a header (head part).This easy-disassemble type bolt 1 ...
|
|
JP3516859B2 |
To sufficiently display the function of a spring washer strengthening the fastening of a nut and a bolt by providing a level in difference in a cylindrical part in the nut constituted of a nut part and the cylindrical part connected with...
|
|
JP2004100837A |
To dispense with tightening torque regulating operation in riveting work, improve workability in riveting work, and make it impossible to operate once caulking is conducted.This blind bolt 10 comprises a bolt body 20 having a head part 2...
|
|
JP3502892B1 |
[wrap up] [Task] Two-steel joint structure and its joint structure that can firmly fasten two steel materials, can sufficiently meet the demands of high-rise buildings and seismic-resistant buildings, and can be constructed safely, easil...
|
|
JP2004505211A |
The invention relates to a fixing device, such as a screw (1) a plain washer, a nut or a rivet, with an information memory that can be read from the exterior. The information memory (4) is machine readable. According to the invention, th...
|
|
JP2004044744A |
To provide a bolt capable of always maintaining appropriate contact of ultrasonic vibrator/receiver with a bolt head and performing precise axial force measurement.This bolt 1 is provided with a bolt head part 2 and a bolt shaft part 3 a...
|
|
JP2004044687A |
To provide a crank pin bolt enabling measuring/managing by a ultrasound axial force meter while preventing galling of a screw portion tip end and ensuring an effect of reducing a stress.In the crank bolt 21 fastening a divided large end ...
|
|
JP2004501328A |
A nut construction (10) is described comprising an outer tightening part (20) and an inner part (30), where the inner tightening part comprises an outer adapted surface (34), which lies against a corresponding inner opening (26) in the a...
|
|
JP2004011884A |
To provide the reliable screw-up structure which can release concentration of the stress to a valley bottom of a male screw to be generated when an excessive load and the tensile force are applied and which can prevent the generation of ...
|
|
JP3481239B2 |
PCT No. PCT/GB93/00760 Sec. 371 Date Jan. 9, 1995 Sec. 102(e) Date Jan. 9, 1995 PCT Filed Apr. 8, 1993 PCT Pub. No. WO93/21449 PCT Pub. Date Oct. 28, 1993A load indicating fastener composed of a body (2) having an abutment (9) which is m...
|
|
JP2003343537A |
To provide a bolt extremely effective in preventing theft of a number plate or the like of an automobile. A umbrella like flange 2 is provided to the top of a screw shaft 1. A head 4 equipped with a turning operation part to which an ord...
|
|
JP2003336475A |
To relatively easily detach a drill bit in an excessively fastened state without damaging the drill bit.The drill bit 10 is assembled in a assembling end part 36 of a drill string 20 by this fracture type washer 24. This fracture type wa...
|
|
JP2003329525A |
To measure an extension of a fastner by using a simple apparatus and a simple method which are introduced easily to a manufacturing process of the fastner, and by which it is required to slightly modify a fastner system.In the fastner sy...
|
|
JP2003327155A |
To restrain stress from being concentrated in a bolt tightening part when a vehicle is used usually, and to make the bolt tightening part broken from a stress concentrated part as a start point at the time of vehicle body collision.A bol...
|
|
JP2003322125A |
To obtain a compact unit accurately regulating a bolt fastening force and wherein a spring constant is increased with an increase in deformation amount.A detection seat for bolt fastening force is composed of an upper washer 1, a ring 2,...
|
|
JP2003307207A |
To provide a torque regulating nut having a simple structure applied to a winding fastening band metal fitting, capable of accurately and surely fastening by specified fastening torque, and confirming the completion- noncompletion of fas...
|
|
JP3460296B2 |
PURPOSE: To improve reliability and durability by suppressing remarkable reduction of fatigue strength of a pressing bolt without increasing weight and manufacturing cost. CONSTITUTION: In a connecting rod, a large end cap 4 is pressed a...
|
|
JP2003278728A |
To provide a screw that cannot be unfastened unless a special tool is used or reused if once used.This fastening screw 1 comprises, in the head part, a first head part 2 that is engaged with a general tool 34 and a second head part 4 tha...
|
|
JP2003527544A |
A connecting element in the form of a screw or bolt, nut or washer for a screw connection has at its bearing surface at least one projection and at least one radially further outwardly disposed surface region. The height and cross-sectio...
|
|
JP3442894B2 |
PURPOSE: To prevent the occurrence of fatigue cracks from a female screw bottom by providing a groove on a female screw hole in a structure applied with a fluctuating load from the female screw side. CONSTITUTION: For application to the ...
|
|
JP3441084B2 |
A self-locking fastener system comprises a pin (12) for receipt in a hole in a workpiece and having an external thread (20) which mates with a collar (10) having an internal thread (18) for carrying a tensile load. A plurality of helical...
|
|
JP2003232320A |
To enable control of fastening torque and prevention from being left unfastened with a single bolt by making use of regular fastening tool such as a wrench.A bolt prevented from being left unfastened comprises a cap 1 and a bolt 2. A hea...
|
|
JP2003214418A |
To provide a bolt in which an appropriate axial force can be easily visualized.A transparent material 2 is inserted in the inside of a bolt body 1 by being passed through an axial direction, and a part in which a stain 3 is filled, a thi...
|
|
JP2003206919A |
To provide a tightening structure by a bolt and a nut capable of preventing powder coating from peeling off.In this structure for tightening an object to be tightened by screw-fitting the bag-like nut coated with powder in the bolt 11, a...
|
|
JP2003202010A |
To easily, certainly and visually confirm fastening force of a bolt.This washer 1 is interposed on the load seat surface side at the time of fastening two members 4 on each other with the bolt 3. An outer peripheral part 11 of this washe...
|
|
JP2003194027A |
To implement fastening that provides sufficient tightness but prevents over-tightening of a wood screw, when fastening a fastening member to a wood part by turning the wood screw with a screwdriver.A wood screw 1 comprises a shaft 5 prov...
|
|
JP3418046B2 |
To provide a fluid type bolt tensioner having a high bolt tension effect by reducing the whole height. This device comprises first and second chambers 5, 12; a first holow piston 6 extending partially in the second chamber 12 and capable...
|
|
JP3415633B2 |
PURPOSE: To permit an operational cog by a mandrel for a marking a fastener for aircraft wings by providing a pin in addition to the head portion with a coaxial smooth shaft, outer threads, inner threads, a mandrel means which is threade...
|
|
JP3407069B2 |
To obtain a method and an apparatus in which a specific axial force can be given to a bolt with good accuracy by irradiating the bottom part of a measuring hole with laser light from a laser displacement meter, performing the tightening ...
|
|
JP2003113826A |
To simply and securely control a tightening torque and lock the loosening.In a fastening nut 1, a screw that is tapered with the diameter increased in an axial direction 6, is provided between an outer member 2 and inner member 4, and th...
|
|
JP2003113820A |
To provide an elasticity connection method and a connecting member that saves on space and exhibits high vibration damping ability.In a method of connecting a first member and a second member resiliently, a cylindrical member having rubb...
|
|
JP3396344B2 |
To hold stress acted on the small diameter hole surface of a bolt with a hole within the elastic stress when the maximum power is supplied to a heater, and suppress a life consumption by fatigue by setting the maximum heat stress (σmax)...
|
|
JP3395780B1 |
[wrap up] [Task] Provide labor-saving anti-mischief fastening parts and fastening structures such as nuts, bolts, washers, etc. that can be prevented from being loosened by mischief, etc., and can be reliably retightened or removed when ...
|
|
JP2003106318A |
To provide an axial force visually confirmed bolt in which a clearance of the bolt, a state of a sheared flange portion, or designated fastening axial force at a head position is visually confirmed with ease and for everybody without mak...
|
|
JP2003090315A |
To provide a bolt for visually checking the axial force which can easily and visually check the preset tightening axial force at a space of the bolt or at the position of a head part by anybody even when any special measuring instrument ...
|
|
JP2003090173A |
To provide an overturning preventive and theft preventive fixing device and a bolt or a nut for preventing a theft of an automatic vending machine, a parking meter, and a safe.This device fixes a metal fitting 4 by fastening the bolt 6 t...
|
|
JP2003082615A |
To set a construction cost and an execution time in the same extent as the friction joint of a high strength bolt, and to inhibit the generation of noises more than the friction joint of the high strength bolt without deteriorating a lan...
|
|
JP2003056535A |
To provide a torque nut, eliminating waste in materials and being capable of surely fastening. This torque nut is provided with first and second hexagon nut parts 2 and 3 formed with female hexagonal screw parts 5 and 5a in their inside,...
|
|
JP2003019537A |
To make a broken polygonal part pass through the socket hole of a binding tool while the bolt is easily manufactured by cold heading.By pressurizing a rod-like base stock having a prescribed length in the longitudinal direction, a shaft ...
|
|
JP3361171B2 |
|
|
JP2002355777A |
To provide a marking device for a bolt and nut, a washer and a member that can quickly, simply and accurately mark a bolt and nut, a washer and a member surface despite a simple structure. The marking device for a bolt and nut, a washer ...
|
|
JP2002539388A |
The invention relates to a threaded bolt provided with measurement planes for use in ultrasonic length measurement. After the threaded bolt has been fixed in a connection, such measurement is performed to determine the length change of t...
|
