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JPH11300648A |
To provide an excellent executing tool by connecting and freely disconnecting an anchor driver, an anchor executing tool and an anchor member with one another. An insertion hole 2 for inserting an anchor member 5 is formed in the core pa...
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JP2600859Y2 |
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JPH11235676A |
To simply and quickly attach/detach a bolt which is driven in a buried hole and is fixed by chemical fixing force. When a collet 10 which is constituted of a plurality of collet pieces 11 and forms a female screw hole 15 compatible to a ...
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JPH11198056A |
To automatically fasten and loosen the bolt heated by the bolt heater inserted into the center hole of a bolt without requiring operators to monitor and stand-by the bolt. A bolt heater 9 is inserted into the bolt hole 3 of a bolt 4 for ...
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JPH11156752A |
To simplify a rotating work by making turning holes and an operating tool fitting/ inserting hole which are formed at both the end parts and at the center part of a columnar body, respectively, have the same shaft center and making the o...
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JP2894505B2 |
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JPH11129166A |
To fasten various closing lids for a pressure vessel's opening by driving the center of a rotational axis of a column of a transporting device in the height direction into plural columns, engaging fitting parts of respective columns with...
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JP2866391B2 |
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JP2866052B2 |
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JP2863006B2 |
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JP2851652B2 |
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JPH1110554A |
To provide a simple bolt and nut separation method of a bolt and a nut reciprocally press fitting and fitting a screw part and the other provided on one of the bolt and the nut while squeezing a screw and a nut extraction tool easy to ha...
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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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JP2587015Y2 |
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JPH10299929A |
To prevent a valve from being damaged by excessively rotating a valve handle when the valve for an oil feeding device, of an of cable, and the like is opened and closed. The handle operation of a valve is performed through a tool equippe...
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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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JPH10244476A |
To simply facilitate fixing operation with a lightweight device by arranging an opening part on an adapter side surface integrally formed with a hydraulic cylinder/piston mechanism, forming a fitting a part having a separate distance not...
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JP2576519Y2 |
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JP2574134Y2 |
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JPH10118954A |
To dispense with a hydraulic pump so as to accomplish reduction in a size and in weight by providing a bolt tensioner applying a tensile force to a bolt, a pressurized gas feeder, and an oil pressure generator pressurizing working fluid ...
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JPH1037930A |
To provide a device which can house a liquid-operated piston and a cylinder device only when a projecting degree of a bolt is comparatively slight and applies tensile force to the bolt by fluid pressure by which stress acting on the bolt...
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JPH09285926A |
To miniaturize an entire rotary-driving device for a clamping device or the like by reducing the noises of a device, improving its durability and increasing its speed reducing ratio, the clamping device or the like incorporating this dev...
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JPH09170614A |
To provide a method and an apparatus for releasing a bolt without sticking of the bolt stacked in a nuclear reactor vessel in order to prevent the bolt from removing by using a drill. A nuclear reactor chamber comprises a blind hole 90, ...
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JPH09125377A |
To facilitate screwing of both screw members in a normal screwing state. Both screw members 1, 2 are so arranged that a screw part 1a of a tapered male screw member 1, which is freely screwed with a tapered female screw member, is loosel...
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JPH09502934A |
(57) [Summary] Tandem-Piston-type hydraulic bolt pullers (20) are mechanically coupled together with inner and outer cylinder bodies (25 and 30) to define piston extension chambers (40 and 41). It has inner and outer pistons (27,31). An ...
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JPH0976169A |
To prevent the increase of weight with the elapse of hours of a sleeve caulking device by preventing the accumulation of broken residue in the device and to eliminate a trouble of periodically dumping the broken residue. A sleeve caulkin...
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JPH0970766A |
To reduce the drawing manhour, to reduce the peripheral space to be required, and to eliminate the interference with other stud bolts. A polygonal blind hole 1b to be engaged with a nut is provided in a lower end of a socket 1 provided w...
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JP2581518B2 |
PURPOSE: To enable ball-nut assemblies to be densely arranged and to enable larger bolt-nut assemblies by improving spacer washers each fitted on a stud bolt between a flange and a nut. CONSTITUTION: An opening 22 through which a bolt is...
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JP2578699B2 |
PURPOSE: To prevent any overstroke from occurring by closing a passage for a fluid to operate a piston for drawing a bolt with a bolt tensioner at a time when the piston has reached to the specified stroke. CONSTITUTION: This method is s...
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JPH09500991A |
PCT No. PCT/EP94/02444 Sec. 371 Date Jan. 26, 1996 Sec. 102(e) Date Jan. 26, 1996 PCT Filed Jul. 23, 1994 PCT Pub. No. WO95/03592 PCT Pub. Date Feb. 2, 1995A load alternation counting device for an actuation device that is periodically h...
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JP2566526B2 |
PURPOSE: To easily and quickly remove a tool from a bolt after the installation work of the bolt and burying of the bolt into concrete or the like so as to extremely facilitate its handling. CONSTITUTION: A bolt applying tool is provided...
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JPH08323641A |
PURPOSE: To facilitate the mounting of a suspending bolt into a ceiling insert by an electric drill by providing a swing-preventive supporting body in the axial direction of an outer close-fitting body which is fitted closely onto the ho...
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JPH08243945A |
PURPOSE: To secure high tensile strength by tensioning a bolt when rotating one of two input elements engaged with each other and by rotating a nut via an output element in rotating the other input element. CONSTITUTION: A tentioner is a...
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JP2509319Y2 |
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JPH08206968A |
PURPOSE: To easily remove an anchor member after it is driven. CONSTITUTION: An anchor constructing tool is provided with a constructing tool main body 4 having the connecting end 3 of an anchor driver on one end, a chuck 8 which is arra...
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JPH08197448A |
PURPOSE: To fix an anchor bolt to a wall easily by constituting a construction tool in such a way that grip piece parts are gripped after inserting an embedded nut and a collar into a drilled hole so as to press the collar into the drill...
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JPH08121425A |
PURPOSE: To provide a screw taking-up device for screwing down a cap especially in a reaction pressure vessel. CONSTITUTION: A connecting taking-up part surrounds a coupling element (coupling segment) 20, is provided with a rotary piece ...
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JPH0890448A |
PURPOSE: To miniaturize the device, reduce the weight, and reduce the cost, so as to provide maintenance-free with no consumption of the part items, by setting tightening force of a bolt with no influence by a frictional fluctuation of a...
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JPH0885074A |
PURPOSE: To obtain a reamer bolt drawing auxiliary appliance for an elevator hoisting machine, by which the reamer bolt for connecting the boss part of a worm wheel to a wheel part can be easily and quickly drawn by a small force. CONSTI...
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JPH0839452A |
PURPOSE: To facilitate mounting/demounting work by decreasing size of a total unit structure further lightening weight while tightening force can be adjusted to a required value and work can be performed by supporting a bolt tightening d...
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JPH0825244A |
PURPOSE: To control the fastening force by fastening or loosening a bolt joint without damaging a seat face and a screw section. CONSTITUTION: A piece 10 is fixed at the end section of a bolt fastening a member together with a nut, and a...
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JPH07290183A |
PURPOSE: To provide a tightening tool capable of tightening a collar to a bolt even when the bolt is mounted downward on a panel, a part is required to be supported by one hand, or the fitting space is too small to reach the hand. CONSTI...
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JPH07246571A |
PURPOSE: To eliminate the deformation of a stud bolt and to prevent a loosening or coming-off of the stud bolt in a work, by abutting one side end face of the stud bolt against a spherical member through a rotatable plate, when one side ...
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JPH07205040A |
PURPOSE: To simplify processing work, to reduce processing costs and to improve workability by making it unnecessary to specially provide a restraining part for fixing a tool to the base end part of a pillar body when the pillar body is ...
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JPH07185691A |
PURPOSE: To allow an ejector plate approach more close to the positional capable of die asseembling by installing an energizing means to separate the ejector plate from a molded goods and using an ejector mechanism to press the ejector p...
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JPH07186065A |
PURPOSE: To provide a setting tool for a threaded rod excellent in operability in particular for screwing the threaded rod. CONSTITUTION: This setting tool has a receiving member 1 with a threaded bore 2, and the receiving member 1 is po...
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JPH07171772A |
PURPOSE: To remove a bolt fitting tool positively after the fitting of a bolt without damaging the head of the bolt. CONSTITUTION: A tip side long nut 1a and a rear end side long nut 1b are fitted to both ends of an outer pipe 2, and a s...
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JPH07164347A |
PURPOSE: To provide an automatic stud driving tool capable of easily and quickly being assembled with a minimum number of tools and reducing core vibration while keeping the free rotation of a drive ball in a tool jaw at loaded and non-l...
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JPH0755414B2 |
A junction bolt for joining members by use of clamping nuts engaged with the junction bolt is provided with an axial inner hollow hole in which a piston member is located so as to define a space between the outer peripheral surface of th...
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JPH07504129A |
A fluid-operated tool for elongating a stud which has an axis and an end extending out over a nut, the tool comprises stud pulling unit adapted to engage the end of the stud so as to pull the stud, nut turning unit adapted to engage the ...
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