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Patent Searching and Data


Matches 1,651 - 1,700 out of 2,942

Document Document Title
JPH0668284B2  
JPH06507464A
A bolt for attaching a first member to a second with a desired compressive force. The bolt has a cylindrical body with a threaded section on a first end and a head on a second end. The cylindrical body had a longitudinal bore which exten...  
JPH06229408A
PURPOSE: To make a soft material swell out to the inside of an opening so as to judge whether fastening is missed or not by providing a transmissive hole opening axially to an opposing face formed by a fastener and a material to be faste...  
JPH06221315A
PURPOSE: To prevent the fastening failure of a bolt, by providing a strain gage on the vicinity of a jointed part between a bolt screw part and a bolt head part to display information regarding fastening torque. CONSTITUTION: A strain ga...  
JPH0653808U
[Purpose] The present invention provides a nut device capable of ensuring the generated axial force within a specified axial force even if the nut tightening torque fluctuates to some extent. [Constitution] A conical surface 2 is formed ...  
JPH06200913A
PURPOSE: To measure parameters which represent actual tightening tension well with accuracy and good reproducibility although an assembly element is inexpensive, small and easy to use. CONSTITUTION: This assembly element has symmetrical ...  
JPH0649816U
[Purpose] It is an object of the present invention to provide bolts used for pipe connection parts of water, gas, etc., which can always obtain a substantially constant tightening torque and tightening axial force, and can perform tighte...  
JPH0650122B2
1. A device for remote assembly of two parts (1, 2) with the aid of at least one oblong assembly element (7), the device comprising means (8) for anchoring said assembly element (7) on one of said parts, or first part (1), remote-control...  
JPH0647834U
[Purpose] Provided is an ultrasonic probe holder for measuring bolt axial force, which can reliably position the probe at the center of the bolt. [Constitution] A circular or hexagonal recess 14 that can be fitted to the bolt head 12 wit...  
JPH0647919B2
An anchoring device, such as a rock anchor, includes an anchor rod with force transmission ribs projecting outwardly from its outside surface. An anchor nut is in threaded engagement with the rod and has at least an axially extending por...  
JPH06173924A
PURPOSE: To provide a nut capable of being fastened to a bolt with the preset fastening torque without using a torque wrench and capable of discerning the fastened state. CONSTITUTION: A nut 1 is integrally formed with the first nut 2 pr...  
JPH0643322U
[Purpose] The adjustment work is simple and can be adjusted without requiring skill, and it prevents damage to the screw due to excessive rotation of the bolt and damage or breakage of the member related to the screw. [Constitution] A sh...  
JPH0643323U
[Purpose] By providing a mark indicating the rotation angle on each of the nut body and washer that are connected in the axial direction so that they can rotate freely, it is possible to manage the tightening force required for the bolt ...  
JPH0620992Y2  
JPH0620889Y2  
JPH0620990Y2
A load cell that measures the weight of a load by use of a bolt anchored to a base. The bolt passes through an obstruction board which prevents soil or sand from overflowing, and a load cell is placed between a supporting spool-like pipe...  
JPH06147212A
PURPOSE: To make it possible to control torque required by a bolt shaft by providing a necessary indication beforehand on respective nut or bolt and washer, which are combined together in a freely rotatable manner to form a screw tighten...  
JPH0620120Y2  
JPH06504371A
PCT No. PCT/GB92/00072 Sec. 371 Date Jun. 28, 1993 Sec. 102(e) Date Jun. 28, 1993 PCT Filed Jan. 14, 1992 PCT Pub. No. WO92/13203 PCT Pub. Date Aug. 6, 1992.A hollow bolt (10) contains first and second electrical contact elements (13, 16...  
JPH0635631U
[Purpose] A nearly constant tightening force is applied according to the diameter of a screw member such as a bolt (hereinafter referred to as a bolt), and the bolt is prevented from loosening. [Constitution] Bolts are made of shape memo...  
JPH0632715U
[Purpose] Prevents damage to plastic nuts with more tightening torque than necessary. Easy molding of multi-stage elastic pieces. [Constitution] The cylinder has a wrench tightening portion 13, a multi-stage elastic piece 14a that is ori...  
JPH0629605B2
Axially-extending troughs (22) in a bark (18) of an internally threaded collar (10,200) receive setting balls (32) of a driver (30) that apply a torque to the collar (10,200) through the balls (32) bearing on the walls of the troughs (22...  
JPH0627525B2  
JPH06503153A
A failure indicating device wherein a fluid is encased within a bore in a fastener. In another embodiment of the invention, the fluid is encased within a thin walled capsule which in turn is encapsulated within a bore in the fastener. Up...  
JPH0625565B2  
JPH0694019A
PURPOSE: To provide a high strength bolt available at a narrow space, by forming a weak part smaller than the cross section of a screw part, between the head part and protruded part of a bolt main body. CONSTITUTION: A protruded part 16,...  
JPH0694023A
PURPOSE: To exhibit a locking function by grooves provided on the upper and lower surfaces of a screw head part, and also facilitate the fastening control of a screw by utilizing an index groove. CONSTITUTION: Grooves 2, having a bold Y-...  
JPH0612249Y2  
JPH0612538Y2  
JPH0688758A
PURPOSE: To embody a control system in which operation can be easily done and the measuring accuracy is high by leaving measuring probes to be fitted during bolt axial force measurement by realizing multi-channel. CONSTITUTION: The title...  
JPH0611454Y2  
JPH0681824A
PURPOSE: To reduce a bolt interval pitch by forming a fixing device of a bolt and a hydraulic nut having first and second elements, making axially movable relative to the first element by a fluid pressure in an annular chamber formed wit...  
JPH0620913U
[Purpose] The slack of the bolt can be visually grasped. [Constitution] A sensing material 41 is attached to the head 2 of the bolt 1 to be fastened so that the restored state of the dent 3 generated after fastening can be visually obser...  
JPH0619169B2
PCT No. PCT/EP84/00059 Sec. 371 Date Sep. 4, 1984 Sec. 102(e) Date Sep. 4, 1984 PCT Filed Mar. 2, 1984 PCT Pub. No. WO84/03741 PCT Pub. Date Sep. 27, 1984.An expanding bolt anchor with setting force indication, has a slitted expanding sl...  
JPH0610179Y2  
JPH0618721U
[Purpose] The fastening tool is used to prevent the fastening from being released to prevent the member to be fastened from being stolen. [Constitution] A screw portion 3 is formed by rolling on a bolt 1 having a head having a spherical ...  
JPH069346Y2
The rivet, screw, or bolt comprises a rod-shaped body (10) having a head (14) and/or thread (12) on the outer periphery. A longitudinal hole (18) is open at one end. A rod (20) is disposed in the hole and fixed at its inner end (22) to t...  
JPH069347Y2  
JPH069345Y2
In a clamping apparatus, a pressing member is moved on a base in a vertical and horizontal directions by rotation of a bolt. The bolt is provided with a longitudinal hole open end of which is covered by a window. A rod is placed in the h...  
JPH068325Y2  
JPH0614525U
[Purpose] An object of the present invention is to provide a fastener that is easy to handle and that can securely and firmly join members to be joined. [Constitution] It consists of a bolt 1 having threads 2 and 3 at both ends and a nut...  
JPH0612814U
[Purpose] Provided is a high tension bolt that can be safely tightened and can easily confirm the completion of tightening. [Constitution] A pintail portion is formed without providing a notch on the tip side of the bolt screw portion, a...  
JPH066269Y2  
JPH0642306A
PURPOSE: To provide a method for hydraulically prestressing bolts of a turbine casing or the like and to provide an apparatus for implementing this method. CONSTITUTION: A method for prestressing bolts arranged in places where lateral ac...  
JPH0642517A
PURPOSE: To easily unfasten a master bolt even when it is fixed by large fastening force by the use of normal tools, without using special tools, by reducing shaft force applied to the master bolt while unfastening a child bolt. CONSTITU...  
JPH0634464A
PURPOSE: To continuously measure the stress relieving behavior of a magnesium alloy by tightening a magnesium-alloy test piece to be tightened with a high strength steel bolt with a strain gauge stuck to the surface of the bolt. CONSTITU...  
JPH0633926A
PURPOSE: To provide a control device of the bolt axial force where a strain gauge can be affixed without special operation to a bolt and the strain can be detected without damaging the strain gauge. CONSTITUTION: A control device of the ...  
JPH0626513A
PURPOSE: To prevent a fixing screw from being dropped from a cover and from being excessively screwed in attaching a cover. CONSTITUTION: In a fixing screw 1, a screw portion 3, a flange portion 5, a shaft portion 7 and a knob portion 9 ...  
JPH062427Y2  
JPH061305Y2
A clamping apparatus comprises a base block to be mounted on the top surface of a bed, a cylindrical clamp base having a male screw on the outer peripheral surface thereof and mounted on the base block for up-and-down motion, a clamp pie...  

Matches 1,651 - 1,700 out of 2,942