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Document Title |
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JPH07113230A |
PURPOSE: To make it possible to promote work efficiency of anchor execution in a construction field by inserting an anchor member in a chuck, and closing a movable chuck to interlock an screw thereof with a screw section of the anchor me...
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JPH0736967B2 |
The device for prestressing an assembly of screwed connecting members, which consists of at least two bolts or pins intended for fastening a member (1) closing off an orifice (2) and which comprises a set of pulling jacks (26, 43) for th...
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JPH0715278U |
[Purpose] A device that allows you to easily remove screws that have left a flange. [Constitution] By applying a force from above to the flange with a sharp cutter 4 consisting of multiple parts in Fig. 1, the screw that has only the fla...
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JPH0716836B2 |
The device for screwing and unscrewing studs (3) of large dimensions, especially for fixing a closure head (1) of a vessel (2) provided with installed internal threads, comprises especially a system (13) for compensating the weight of th...
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JPH0683278U |
[Purpose] After implanting the stud bolt with the stud bolt implantation socket, separate the implantation socket without loosening the stud bolt. [Constitution] Male thread 1 of the first socket member 1 chucked by the nut runner N2The ...
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JPH0688182B2 |
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JPH06509753A |
(57) [Summary] Since this publication is application data before electronic filing, summary data is not recorded.
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JPH0637894Y2 |
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JPH0669673B2 |
A stud driver has threaded jaws with thread relief provided on a leading edge area of the jaws to reduce thread marking or deformation of the thread on the stud when the stud is driven under high torque conditions. The thread relief in t...
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JPH06206174A |
PURPOSE: To provide a tool capable of driving and removing even a stud having a large diameter incapable of grasping in a work piece without damaging the same. CONSTITUTION: A stud driver comprises a main ring 12 having a shaft hole 16 a...
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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...
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JPH0647215B2 |
Tension device for tightening and loosening bolts or pins, formed by a body having at least one jack (40) equipped with a piston (25). Each jack (40) is associated with at least two bolts or pins (3) placed next to one another for simult...
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JPH0639029B2 |
Process and device for locating the ideal screwing position of bolts of large dimensions wherein a bolt (10) is lowered under control until it engages in the tapping recess of an orifice (5), the bolt (10) is rotated in the opposite dire...
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JPH0618994Y2 |
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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...
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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...
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JPH069882U |
[Purpose] Attach the implant bolt to the bolt mounting plate easily and securely. [Constitution] Tool A for assembling the implant bolt, a) Tool body 10 with a chuck mounting part 14 provided at one end and a female screw hole 18 for mou...
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JPH061084B2 |
A plurality of jack bolts are threadedly engaged with openings in a flange on a fastener to stress a shank part of the fastener. The flange can be a collar retained on a shaft by a retainer, a nut on a threaded end of a bolt or the head ...
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JPH0567476U |
[Purpose] An object of the present invention is to make a new product useful as a product that can be easily installed and processed quickly. [Constitution] A mounting tool characterized by mounting a hexagonal shaft to fit into the hand...
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JPH0533267Y2 |
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JPH0549272U |
[Purpose] By combining the shock absorbing part and the string-shaped part as a safety tool for connecting the tool to a part of the worker's body, the shock of dropping is absorbed and the tool is quickly settled. Also, shorten the over...
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JPH04290681A |
PURPOSE: To provide a cushion that needs no special means for positioning. CONSTITUTION: A cushion 1 comprises a block, which is made of elastically deformative material, and which has an internal slit 2, the walls of which are contiguou...
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JPH0440860Y2 |
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JPH0440859Y2 |
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JPH04176575A |
PURPOSE: To correctly obtain the fastening axial tension of a bolt by fastening a nut only in the state of adding a desired axial tension on the bolt. CONSTITUTION: A nut 4 is turned and loosely fastened after passing a bolt 3 through a ...
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JPH0426985B2 |
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JPH0432876U |
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JPH0428968U |
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JPH0428967U |
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JPH0453685A |
PURPOSE: To simplify the setting of a bolt by providing a means which connects the inner cylinder holding the projection side male screw of a stud bolt to an outer cylinder via a transmission means which makes the rotation driving of the...
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JPH04500782A |
(57) [Abstract] Since this gazette is application data in front of an electronic application, the data of an abstract is not recorded.
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JPH0417070U |
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JPH048481A |
PURPOSE: To firmly clamp a coupler without rotating it at all by installing a turning means which turns a nut segment in the clamping direction at a time when a bolt is inserted up to the specified position between nut segments. CONSTITU...
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JPH03120380U |
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JPH03281178A |
PURPOSE: To sharply save a labor required during a work by pulling off a drive knock pin by using a bolt for pull-off and a knock pin pulling-off jig assembled with a pipe and a nut. CONSTITUTION: A nut 30 for pull-off of a knock pin pul...
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JPH0372437B2 |
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JPH0367837B2 |
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JPH0344458Y2 |
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JPH0365676U |
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JPH0325913Y2 |
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JPH03500268A |
PCT No. PCT/AU88/00381 Sec. 371 Date May 7, 1990 Sec. 102(e) Date May 7, 1990 PCT Filed Sep. 29, 1988 PCT Pub. No. WO89/02807 PCT Pub. Date Apr. 6, 1989.A hydraulic nut (20) for tensioning a bolt (232) is disclosed having a stepped annul...
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JPH0262724B2 |
The device for rotating and axially moving a bolt comprises the bolt and a coupling part engageable with the end of the bolt wherein the bolt has a chamber which is accessible from the front end and is provided with at least one tangenti...
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JPH0249873B2 |
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JPH0249872B2 |
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JPH0239749Y2 |
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JPH0239752Y2 |
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JPH02256469A |
PURPOSE: To simply remove a fastening tool with a very small force by freely separating contact sections of a torque transmission mechanism from each other when a stud bolt is to be removed after it is fastened. CONSTITUTION: When a driv...
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JPH0294081U |
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JPH0222182Y2 |
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JPH02131827A |
PURPOSE: To prevent safety specific to a device and the environment by equally imparting tensile force when nuts arranged face to face with each other are automatically screwed onto or off a bolt in a pressure container which is used in ...
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