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WO/2006/122192A2 |
A universal termination system (700) is provided for power tools. The universal termination system includes criteria for each of the main switch platforms that define the number, type, location and orientation of the terminations (702,70...
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WO/2006/105931A1 |
The invention relates to a hydraulic threaded bolt clamping device and to methods for tightening large screws by means of said hydraulic threaded bolt clamping device. The inventive device comprises a pressurised medium supply (6); a pre...
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WO/2006/105931A2 |
The invention relates to a hydraulic threaded bolt clamping device and to methods for tightening large screws by means of said hydraulic threaded bolt clamping device. The inventive device comprises a pressurised medium supply (6); a pre...
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WO/2006/072210A1 |
The invention discloses a method and device for the production, storage and transportation of fast foods. The method comprises: respectively packaging and sealing the main foods, dishes or vegetables, the different ingredients of the mai...
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WO/2006/037173A1 |
TITLE:
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WO/2006/027060A1 |
The invention relates to a hydraulic screw clamping device which is used to tighten and release highly stressed screws, comprising a cylinder which is supported on a machine part which is to be clamped by means of a threaded bolt and a n...
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WO/2006/027061A1 |
The invention relates to a hydraulic screw clamping device which is used to tighten and release highly stressed screws, comprising a cylinder (5, 6, 7, 8) which is supported on a machine part (1), which is to be clamped, by means of a th...
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WO/2006/024833A1 |
A fastening apparatus (1) for use with a member being a bolt, stud, shaft, bar, rod or the like to connect two articles together, the fastening apparatus comprising a body (2), .a piston (6) mounted on the body (2) and movable relative t...
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WO/2006/016162A1 |
A bolt tensioner (1) comprising a body (2) having a central screw-threaded bore (5) for threaded engagement with a bolt projecting from a load bearing surface, and including at least one piston (4) in the body which is located within a c...
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WO/2006/000677A1 |
The inventive method for controlling tensile stress of a clamping rod (4) such as a screw or pin performed by axially tensioning the rod and positioning at least one retainer (6) prior to releasing the rod in such a way that it is locked...
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WO/2005/123345A1 |
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...
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WO/2005/118225A1 |
The invention relates to a switching device for a hydraulic high-pressure system, particularly for operating hydraulic screw-tightening devices, comprising: a directional seat valve (17), which is subjected to the action of high pressure...
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WO/2005/080804A1 |
A hydraulic nut for tensioning an assembly includes a mechanical threaded locking collar to minimize load loss during transfer of hydraulic load to the locking collar, a 'S' or 'Z' shaped annual piston to minimize height of the hydraulic...
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WO/2005/080837A1 |
A sealing device for a hydraulic assembly wherein hydraulic fluid is contained in working chamber (53) formed between body (52) and thrust member (51) of the assembly. The device comprises annular seal (63) with opposed sealing faces whi...
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WO/2005/021216A1 |
The invention relates to a double nut for the controlled tightening of a part by means of screw connections, consisting of a pulling bush (4) with an internal thread (5), which can be screwed onto the end of the thread (3) of the screw, ...
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WO/2004/108360A1 |
A system (150) and method of tensioning a bolt (44) across a flange assembly (42). A tensioning apparatus (40) includes the bolt and an unthreaded nut (48) connected to the shank member by an interference fit. The interference fit may be...
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WO/2004/000504A1 |
The invention relates to a device for tensioning a threaded rod (1). The inventive device comprises: an actuator (5) which can exert an axial force; and a tie rod (6) which transmits the axial force from the actuator (5) towards a thread...
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WO/2003/024670A1 |
The invention relates to a hydraulic threaded bolt tightening device (1) for tightening and loosening large bolt connections consisting of a threaded bolt that is screwed onto a nut (2), and to a method for tightening a bolt connection o...
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WO/2003/025405A1 |
A quick release nut is described in which a pair of segments (2, 3) are adapted to be placed around a shaft of a bolt and define an engaging surface for engaging the shaft of the bolt. The body members are adapted to be moved relative to...
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WO/2002/016084A1 |
A method and apparatus for securing prestressed or pressure-containing connections, such as in a pipe clamp, in remote or hazardous locations. A connection, having bolts (10a-10c) that are heated and pretensioned, can easily be uniformly...
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WO/2000/051791A1 |
A hydraulic tensioning system (25) for nuts (21) on studbolts (19) has a puller bar (35) and a puller buddy (37) which are coupled to the studbolt (19), and a bridge (38) around the nut (20). The puller bar (35) is internally coupled to ...
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WO/2000/035637A1 |
A hydraulic apparatus (100) for tensioning a bolt is described. The apparatus (100) includes a piston (110) for engaging a puller sleeve (114) and a cylinder block (106) slidably connected to the piston (110) such that the piston (110) a...
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WO/2000/014416A2 |
The invention relates to a screw and nut unit consisting of a screw (1) having a thread with a diameter (D¿S?) and a pitch (s) and a nut having a thread with a diameter (D¿M?) matching the diameter (D¿S?) of the screw thread and a pit...
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WO/1999/067132A1 |
The invention relates to a device for applying or reducing a prestressing force on a holding-down point of a holding-down system for deployable parts, whereby the holding-down system comprises at least one holding-down housing with a hol...
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WO/1999/064201A1 |
Jackbolt (20) for a multi jackbolt tensioner embodies a thread construction which tapers from a maximum diameter adjacent to the torque receiving end (22) of the jackbolt (20) when threadedly engaged with a threaded opening in the outer ...
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WO/1999/046089A2 |
The invention relates to a method for assembling stacked plates (1) which are to be assembled on or by means of a bolt (2) and hereby axially clamped with considerable force. According to said method, hydraulic force (30a, 30, F1) is app...
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WO/1998/026899A1 |
A bolting system for securing at least two structures having a bolt, a coupling nut, a hydraulic tensioner, and a lock nut. The bolt has a body with a threaded end and another end with a bolt head. The coupling nut is engageable with the...
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WO/1997/038827A1 |
A safety device at preloading of bolts for providing the bolt with an internal stress in mounted condition, and which bolt (3) at a first end is secured to a first element (1) and extends through a second element (6), which shall be clam...
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WO/1997/025540A1 |
An axial tensioned bolt (10) and nut (18) for bolting together a turbine or similar piece of equipment. The bolt (10) has parallel threads and the nut (18) has a coil insert (60). The bolt (10) is stretched and tensioned by a hydraulic t...
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WO/1996/041703A1 |
A bolt (10) extends with clearance through a through-hole (11) in a first element (12), which can be clamped against a second element situated therebehind by means of a nut (14) applied on a threaded end portion (13) of the bolt (10) pro...
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WO/1996/032227A1 |
The invention relates to mounting of machine parts and can be used for attachment of machine parts by means of draw bolts or pin bolts at mounting of steam turbines, nuclear reactors, high pressure pumps, metallic constructive elements a...
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WO/1996/029500A1 |
A hydraulic tensioner for tensioning a threaded connector has a substantially tubular (1) having an axis, one axial end to abut against an object, and another opposite axial end, a substantially tubular engaging element (2) arranged radi...
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WO/1996/002363A1 |
A hydraulic bolt tensioning arrangement (20) of the tandem-piston type has mechanically coupled inboard and outboard pistons (27, 31) defining with inboard and outboard cylinder bodies (25 and 30) piston extending chambers (40 and 41). A...
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WO/1995/033598A1 |
A method of tensioning a bolt (6) interconnecting first and second flanges (2, 4) comprises the steps of locating the bolt (6) to be tensioned in a carrier (16) incorporating hydraulic tensioning means (18, 20, 22), positioning the carri...
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WO/1995/033597A1 |
A mounting assembly for locating a plurality of bolt working devices (22) on a length of flanged pipe (2) through the flange (4) of which extend a plurality of bolts (6), the assembly comprising a segmented ring (20) carrying said plural...
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WO/1995/015835A1 |
Disclosed is a hydraulic threaded-bolt clamping device with a cylinder (7) supported on a machine part (1) to be clamped using a threaded bolt (2) and a nut (3), with a piston (8) moved in a sealed travel within the cylinder (7) and brac...
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WO/1995/015442A1 |
In a pre-tensioning device for fastening elements, a pre-tensioning unit (4, 5) is attached to one end of a fastening element (2) at a first region and arranged at its other region to be supported by a rigid structure (1a, 20), in relati...
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WO/1995/003592A1 |
A load alternation counter for an actuating device upon which compression is periodically applied, in particular a hydraulic screw driving cylinder for tightening and loosening big screws, has a cylinder connected with the compression ap...
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WO/1994/029080A1 |
A mechanical tensioner for a nut-bolt assembly has two input elements (2, 3) engaging with one another and engageable by an actuating tool so that the input elements (2, 3) are turnable relative to one another in opposite directions, one...
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WO/1994/014578A1 |
A fluid-operated tool for elongating a stud (1) which has an axis and an end extending out over a nut (2), the tool comprises a stud pulling unit (3) adapted to engage the end of the stud (1) so as to pull the stud (1), a nut turning uni...
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WO/1993/025351A1 |
A securing arrangement (29) for bolting together turbine casings flanges (111 and 112) by means of junction bolts (13) passing through aligned aperture pairs (191), consists of a hydraulic stressing device (50), for assembly on the bolt ...
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WO/1993/022568A1 |
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 movable only in an axial direction so as to pull the stud (1) in the axial...
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WO/1993/005306A1 |
An annular piston and cylinder device comprises an annular cylinder and a piston therefor, the piston having sidewall portions which extend into the cylinder towards the base thereof in the form of tapering annular webs which together de...
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WO/1991/001198A1 |
A method is described for tensioning large bolts (16) used in securing covers (12) for openings in pressure vessels, pipe couplings, valves and the like, in which a sealing gasket (18) is used. The method is designed to prevent leakage i...
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WO/1989/002807A1 |
A hydraulic nut (20) for tensioning a bolt (232) is disclosed having a stepped annular piston (22) slidable within a housing (21) for reducing the complexity of manufacture. The locking collar (27) is threaded to the housing (21) on a bu...
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WO/1987/001364A1 |
A hanging-type transport apparatus for bolt-pulling machine, which transports a bolt-pulling machine hanging therefrom via a trolley and a hoist over a pressure vessel on which many bolts are mounted. The transport apparatus has a track ...
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WO/1984/000124A1 |
An integral tensioner assembly (10) mountable on a stud (14) selectively to insert and remove the stud as from a pressure vessel (16) or the like, or to place the stud under tension so that a holding nut (32) can be freely turned on the ...
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WO/1982/000851A1 |
Bolts (11) are used to assemble a cylinder head and an engine block. The bolts (11) must be torqued to a preload tension. The tension often decays or relaxes after a time, thus reducing the firm fastening which is desired. A fastening to...
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WO/1981/000075A1 |
A device for tightening large-sized threaded joints comprises a pressing element (1), a tensioning element (2) and a power wedge (3) with a screw drive. The tensioning element (2) is provided with a wedge slot (10), whereas the pressing ...
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WO/1980/000672A1 |
A device for inserting and removing studs (16) from bores (19) in a workpiece, for example a nuclear reactor vessel, comprises manipulating devices (22) for operating on individual studs. Each device (22) is capable of tensioning a stud ...
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