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Patent Searching and Data


Matches 201 - 250 out of 576

Document Document Title
JP5167281B2
A method for joining components using tensioning bolts, wherein the pressure is linearly increased over time when the tension bolt is hydraulically tensioned by means of a tensioning device. When a target value (Pmax) is reached, the vol...  
JP5128887B2
The device (10) has a hydraulic piston (13) transmitting a clamping force to an end of a threaded bolt (11) to be clamped over an intermediate unit (14), where the clamping force lies at the piston. The piston and the intermediate unit a...  
JP2012159193A
To provide an anchor bolt, an installation method thereof, and an impact wrench used in installing the anchor bolt.The anchor bolt includes: at least a slit (18) formed in a thread part (14) thereof; and an extension piece (22) attached ...  
JP4913731B2
Axially expandable spacers (51, 53) are insertable between a nut (20), on a bolt (19) to be tensioned, and a face (F) on a component (C) and have ramp faces (52, 54) to take up the space as the bolt (19) is tensioned by an hydraulic tens...  
JP4839317B2  
JP4834313B2
A washer (1) has a body (2) having an axis (A1) and provided with a first face surface (3) located at one axial side and adapted to cooperate with a nut (10), a second face surface (4) located at an opposite axial side and adapted to coo...  
JP4739320B2  
JP4712705B2
A double nut for a controlled fixing of a component using a bolt connection, comprising a pulling sleeve having an internal thread adapted to be screwed onto a threaded end of a bolt, and a pressing sleeve adapted to be supported on the ...  
JP4659218B2
A hydraulic tensioning system for nuts on studbolts has a puller bar and a puller buddy, which are coupled to the studbolt, and a bridge around the nut. The puller bar is internally coupled to the studbolt (and may engage the nut before ...  
JP4509598B2
The extension device has a piston device with a number of successive pistons (6,7) coupled to the anchor (1) and a cylinder device supported via a support organ (10) from the anchor nut (3), provided with respective cylinder sections (8,...  
JP2010155288A
To provide a bolt tensioner which shortens a work time for connecting a piston to a bolt and then fastening a nut to the bolt. The bolt tensioner has: an annular jig 1 openable along a circumferential direction; a plurality of cylinder c...  
JP2010017827A
To provide a screwdriver support mechanism easily and precisely adjusting a circuit constant for an electronic component mounted on a circuit board.The screwdriver support mechanism includes: a support member having an insertion hole; a ...  
JP4363661B2  
JP4353894B2
Tensioning device has actuator (5) which can exert an axial force, and a tie rod (6) which transmits force to threaded end (1b) of rod (1). Tie rod comprises two jaws (31) which can move radially between a closed position, in which the t...  
JP2009039795A
To safely pull out an earth measuring terminal from a concrete column with high work efficiency.A grip 110 formed of a pipe member of a square cylinder shape, and an operating part 120 formed of two plate-like members 122a, 122b are conn...  
JP4140285B2  
JP4049396B2
The storage device is designed so that the work ends (14) of the bits (13) and the socket head (21) of the chuck (20) are exposed on the outside in the closed state of the case. The case can comprise a first and second housing part. The ...  
JP3936409B2
To replace a screw connector in the axial direction to easily expand and relax a connector such as a stud or the like by providing a non-rotatable tool element in such a manner as to only move in the direction unrotatably when a rotatabl...  
JP2007007836A
To provide an anchor nut drawing tool capable of drawing an anchor nut fastened erroneously and fastening the anchor nut again in the correct place.The anchor nut drawing tool includes a seat which is screwed on the peripheral surface of...  
JP2006346847A
To provide an anchor nut securing device which facilitates the securing of an anchor nut on the ceiling.A seat is screwed down onto the outer peripheral surface of a force bar insertion guide pin having a through insertion hole of a forc...  
JP2005201443A
To provide a washer with a washer body and an internal segment.The washer comprises the washer body and at least one internal segment to be cooperated with a screwed rod into which the washer body is fitted. When a nut is threaded to the...  
JP3662545B2
To solve the problem that replacing work of a cutting edge requires a lot of time and labor. A cutting edge replacing device is used for replacing a cutting edge 2 fitted on an edge mount 4, and comprises a guide member 5 inserted into a...  
JP2005127502A
To provide a washer comprising two inner and outer annular bodies that are coaxially juxtaposed to each other and to make it possible to hold a mutually nonturning state and besides for one annular body to be displaced in its axial direc...  
JP3644526B2
To facilitate the separation from a stud bold without flawing the ridge of it. A ridge angle θ of the female screw part 2 of a socket is made smaller than the ridge angle α of a stud bold B, and in a threadedly engaged condition, the t...  
JP2005042911A
To tighten or loosen an object to/from a rotary base by axially moving the object without rotating a bolt.When the object such as a gear is mounted on the rotary base by the bolt, a nut and a washer by using a single power tool having a ...  
JP3569655B2
To provide a power tool for moving an element corresponding to an object, for example, for moving a nut to be screw-fitted in a bolt and a bolt head and its moving method. They are a plurality of screw members which are arranged at an in...  
JP3559562B2
PCT No. PCT/EP94/04072 Sec. 371 Date Aug. 2, 1996 Sec. 102(e) Date Aug. 2, 1996 PCT Filed Dec. 7, 1994 PCT Pub. No. WO95/15835 PCT Pub. Date Jun. 15, 1995A hydraulic tensioning device for a threaded bolt has a cylinder resting on a machi...  
JP2004017192A
To enable smooth removal of a socket without corotation with a stud bolt after completion of implanting the stud bolt.Under a condition that the stud bolt 6 is implanted in a work 13, using a socket 1, a contact shaft 8 installed inside ...  
JP2004009225A
To provide a seal removing tool, which does not disperse chips to a surrounding area after a sealing cap is crushed, does not require for fully taking up the chips even when it is continuously crushed, and can be easily handled in a narr...  
JP3481998B2
PURPOSE: To provide a tightening tool capable of releasing the connection even after a rod-shaped body is engaged with jaws by moving a tube rearward, and moving a pair of jaws independently from a jaw case. CONSTITUTION: A tightening to...  
JP3467849B2
PURPOSE: To easily and quickly perform fastening work of a piping flange with high precision even in a narrow working environment. CONSTITUTION: An auxiliary device 10 is used for fastening piping flanges 14A, 14B put together by means o...  
JP3437796B2
To substantially improve performance over the whole by arranging an inner sleeve on the axis at actuating time in response to at least one of interacting tool means of the driving part and the housing part. A tool means 1 is composed of ...  
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...  
JP3364741B2  
JP3178992B2
PURPOSE: To carry out removing work of a cone washer safely without damaging any stud bolt or external member. CONSTITUTION: A base body 21 in a removing apparatus 20 is opposedly arranged and positioned to a body subassembly 5 (external...  
JP3174712B2
PURPOSE: To employ a bolt tensioner for the stud of the vertical flange of a pressure container, a pump or the like to facilitate the work of attaching a puller bar to the stud and positioning the bolt tensioner after attaching the pulle...  
JP3172470B2
To provide a bolt-nut connecting method that can fit a bolt and a nut to a connected member with simple work in the mode of fixing the nut firmly into a specified position on the bolt so as to impede the rotation of the nut on the bolt a...  
JP3170373B2
PURPOSE: To form a screw pulling device capable of actuating the tension of a tension unit for uniform elongation of a screw-threaded bolt even when the screw-threaded bolt is bent outwardly, or the diameter of the pitch circle is deviat...  
JP3144690B2
PCT No. PCT/SE97/00576 Sec. 371 Date Oct. 7, 1998 Sec. 102(e) Date Oct. 7, 1998 PCT Filed Apr. 9, 1979 PCT Pub. No. WO97/38827 PCT Pub. Date Oct. 23, 1997A safety device used in preloading of bolts for providing the bolts with an interna...  
JP2001038645A
To smoothly perform embedding work without damaging the tip of a bolt by forming a rotary inserting short body part rotatably fitted to a through inserting hole in a socket adapter body, and arranging a nonstriking contact part on the up...  
JP3091675B2
The present invention relates to a device for prestressing bolts attaching covers of pressure vessels, particularly reactor pressure vessels, which device comprises independent prestressing units (9) with prestressing nuts (16) screwed o...  
JP3074014B2  
JP3032123B2
PURPOSE: To invariably store residual tools in a lump even if an optional number of tools are extracted by providing projections toward a tool storage space on multi-stage shelves, bending the shelves when the tools are inserted, and ind...  
JP3027405B2
The device for placing an anchor essentially consists of a housing (4) and a muff (5) which is rotatable relative to the housing (4) and consists of a sleeve (6) and a bush (7). The bush (7) is screwed onto the anchor rod (3) and is conn...  
JP2000042934A
To surely embed a stud bolt while eliminating falling. A platelike stopper 10 provided with a receiving claw 13 on the lower end is oscillatorily journaled to one side of a holder 1 so as to enter the gap between chucks 2 and 2 in a free...  
JP2000042942A
To easily fit a large bearing in a driving shaft by arranging an inlet for housing the bearing on one end side of a cylindrical case for housing the bearing and a check plate having the opening part larger than a diameter of the driving ...  
JP2971398B2
The expanding anchor (18,24) is movable in relation to the tensioning appliance (40,54) in the longitudinal direction of an inserted straddling tie-piece (30,32). The anchor moves the expander sleeve (34) which is on the shaft (28) of th...  
JPH11300642A
To fasten a connecting metal fitting in one place within several seconds by providing a holding mechanism having a pressing member provided for holding the horizontal state of a main body frame in the tip of a movable part by a button-li...  
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...  
JP2600859Y2  

Matches 201 - 250 out of 576