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WO/2024/084204A1 |
A system for use in tightening one or more fasteners comprises a controller configured to receive an input signal comprising measurement data relating to the pre-load of one or more fasteners. The controller is configured to determine fr...
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WO/2024/077388A1 |
A shaft icing tool for a shaft of a wind turbine has a sheet of flexible fabric that is bendable without breaking when cooled by contact with a solid coolant. At least one pocket is formed on to the sheet to hold one or more pieces of th...
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WO/2023/247176A1 |
Coupling unit (12) for coupling a rotatable thread engagement means (4) of a bolt elongation tool (1) for elongating a bolt (2) of a flange connection (3) with the bolt (2), wherein the bolt elongation tool (1) comprises the thread engag...
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WO/2023/180090A1 |
Tightening device (1) for tightening a series of nuts (2) pre-screwed on bolts (3), which bolts (3) are arranged in a linear or in a curved flange connection (4), wherein each nut (2) comprises a top surface (5) located at one end of the...
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WO/2023/169216A1 |
A furnace tube mounting-dismounting auxiliary device, which is used for supporting a furnace tube (200) in a process where the furnace tube (200) of a horizontal semiconductor device is mounted on a furnace body or is dismounted from the...
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WO/2023/106911A1 |
A self-centering machine (1) for manipulating a series of nut and bolt assemblies (5A-5N) for clamping together components of a mechanical structure comprises: - a too! head (2) which is rotatably connected to a tool head carrier body (3...
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WO/2023/071334A1 |
A hydraulic tensioner for displaying a tensile force, comprising a base (14) and a support ring (1) fixedly connected to the base (14). A bolt (7) is fixed onto the base (14), and a nut (11) on the bolt (7) is fixed by means of a toggle ...
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WO/2023/048914A1 |
Systems and methods can include applying, using a nut assembly (70) including a first nut (72) and a plurality of fasteners (80) provided in respective threaded holes (78) of the first nut (72), a first tensioning force for a stud (50) o...
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WO/2022/223627A1 |
A device (1) for automatically retightening bolted joints comprising: an inner body (2) having a clamping means configured for coupling a bolt (200); an outer body (3) configured for housing the inner body (2) rotatably, and where the ou...
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WO/2022/117318A1 |
Disclosed is a method of tensioning/detensioning closure studs of a nuclear reactor vessel. The closure studs are spaced about a circumference of the reactor vessel so as to attach an integrated head package (IHP) of the reactor vessel t...
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WO/2022/101497A1 |
A bolt tensioner (1, 100) having a load cell (30, 130) with at least one piston (41, 141) and a piston retraction mechanism. The bolt tensioner (1, 100) has a first fluid port (33) and a second fluid port (35), each in fluid communicatio...
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WO/2022/050929A1 |
The claimed invention relates to the field of mechanical engineering and can be used for sealing connectors of pump housings and other equipment working under pressure. The proposed device for creating force when sealing flange joints of...
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WO/2022/016217A1 |
The present invention relates to a multi jackbolt tensioner and methods of using the same. The present invention alleviates some of the problems associated with presently available multi jackbolt tensioners.
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WO/2021/214251A1 |
The invention relates to a method for installing and/or maintaining a flange connection (10) which comprises a plurality of screw connections (12.1 to 12. n), with a manually movable tool (20) at least comprising a screw clamping means (...
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WO/2021/195409A1 |
A bolt tensioning tool includes a housing, an electric motor positioned within the housing, a hydraulic pump positioned within the housing, the pump being driven by the motor to pressurize hydraulic fluid stored within the housing or a r...
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WO/2021/108852A1 |
A method for tensioning an elongate fastening member projecting from a structural member by use of a body coupled to a plurality of jackbolts, the body being arranged to apply tension to the elongate fastening member, the method comprisi...
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WO/2021/062224A1 |
A tensioning device for tensioning a workpiece includes a pulling member configured to engage the workpiece and transmit a tensile load to the workpiece. The tensioning device includes a plurality of tensioning modules positioned in a st...
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WO/2021/049969A1 |
Prefabricated carbon fibre rods are cut to a length equal to the height, in a Z direction, of a future product and are mounted vertically in a guide plate having holes of the required diameter arranged in mutually perpendicular rows. Fut...
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WO/2020/230081A1 |
The invention relates to a removable mechanical tensioning system, tool, and a method of stretching a bolt or stud axially, the bolt being located in and attachable to an object via a nut. The system in accordance with the invention comp...
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WO/2020/230082A1 |
The invention relates to a removable mechanical tensioning device, and a method of stretching a bolt or stud axially, the bolt being located in and attachable to an object via a nut. The device is operatively attachable to the bolt and c...
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WO/2020/212323A1 |
The invention describes a fully-functional automated bolt tensioning device (20) capable of repeatedly tightening bolts within various locations of an operational wind turbine (e.g. hub, tower, etc.) to a specified tension range. The dev...
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WO/2020/182442A1 |
The present specification relates to a bolt tensioning tool adapted to tension a bolt protruding from a workpiece, and comprising a bolt receiving element (5) adapted to be screwed onto the bolt, a nut socket (10) adapted to receive a nu...
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WO/2020/126096A1 |
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened, which comprises an engagement element (24) having an engagement section (31) for receiving and holdi...
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WO/2020/126095A1 |
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened. The device (10) comprises an engagement element (24) connectable to the connecting element (12), and...
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WO/2020/126094A2 |
The present invention refers to system (1) for tensioning at least one connecting element (12) fastened to a component (18, 20) to be tightened. The system (1) comprises at least one connecting element tensioning device (10) having an en...
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WO/2020/126097A1 |
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened, which comprises a fixation element (24) for receiving and holding the connecting element (12); a sup...
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WO/2020/126099A2 |
The present invention refers to a device (10) for tensioning and tightening a screw (12) fastened to a component (18, 20). The device (10) comprises an engagement element (24) connectable to the screw (12) and a support element (40) conf...
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WO/2020/126100A1 |
The present invention relates to an apparatus (10) for simultaneously actuating at least two screw tensioning devices (11). The apparatus (10) comprises a transmission input element (13) for engagement with a tool; at least two transmiss...
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WO/2020/126098A1 |
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened, comprising a fixation element (24) for holding the connecting element (12); a support element (40) f...
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WO/2020/126093A1 |
The present invention refers to a device (10) for tensioning a connecting element (12) fastened to a component (18, 20) to be tightened. The device (10) comprises an engagement element (24) connectable to the connecting element (12), and...
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WO/2020/120959A1 |
A hydraulic tensioning apparatus for tensioning a threaded member (2) having a thread, comprising: a hydraulic tensioner (1), having a body (4) and a pressure space (13) for hydraulic fluid and having a thread engaging member (7) arrange...
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WO/2020/115673A1 |
A hydraulic tensioner (1), comprising: a base (2); a piston (3) mounted for sliding motion relative to the base (2), the base (2) and the piston (3) defining a pressure space (4) therebetween and being arranged to be urged apart along an...
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WO/2020/087066A1 |
A tool monitoring device and method for using a tool monitoring device, the tool monitoring device including a housing configured to couple with an exterior surface of a tool, one or more sensors positioned within the housing and configu...
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WO/2020/077396A1 |
A hydraulic tensioning and release tool for an expansion fastener of a type having an elongate member with a tapered portion for fastening a workpiece, said tool comprising: a sleeve for placement about the tapered portion; one or more c...
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WO/2020/032576A1 |
The present invention relates to an installation device for a blind clip, the installation device comprising: a support block; a holding block which is coupled to one side part of the support block, has a blind clip detachably coupled an...
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WO/2019/245384A1 |
A Tool for tightening a nut on a bolt to form a fixed connection, consisting of an air-driven hydraulic pump which transfers oil pressure to a hydraulic cylinder with a piston connected to a shaft which by means of an air-driven motor (9...
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WO/2019/191727A1 |
A torque applying apparatus includes a hydraulically-driven power source that is adjustable for bi-directional rotation, an input portion configured to receive torque from a power source and having a first rotational axis, an output port...
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WO/2019/178675A1 |
A tool storage device with a base having a working surface on which to place tools and an induction coil located remotely from the working surface and connected to an alternating current power source. The induction coil is located to be ...
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WO/2019/129894A1 |
The invention relates to a system for controlling the pretensioning of bolts (1), each end of each bolt (1) being screwed into a cavity (4) of two pieces (2) to be joined. Each bolt (1) comprises a pretensioning piece (3) comprising a do...
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WO/2019/110061A1 |
The invention relates to a method for the controlled and automatic tensioning of bolts pre-installed in a flange joint between a hub and a main shaft in a nacelle of a wind turbine as well as to a bolt tensioning system for such method. ...
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WO/2019/089414A1 |
An assembly for simultaneously tensioning a plurality of jackbolts of a multi-jackbolt tensioner, the apparatus comprising: a first tensioning device comprising a first plurality of spindles arranged to simultaneously tension the plurali...
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WO/2019/089416A1 |
A tensioning apparatus is provided that is arranged to simultaneously tension a plurality of jackbolts of a multi jackbolt tensioner (MJT). The tensioning apparatus has a housing that is arranged for receiving a drive gear from a drive u...
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WO/2019/072817A1 |
A mounting device and method for a screw connection are proposed, with a rotating ring (2) for rotating the threaded nut (12), a threadless sleeve (3) for receiving the rotating ring (2) and a tensioning device (4) for a torsion-free pre...
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WO/2019/014097A1 |
A socket for rotatably fastening or unfastening a jackbolt of a multi jackbolt tensioner: the socket extending between a first end and a second end such that the first end is adapted to receive the jackbolt, the socket comprising: a pass...
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WO/2018/125578A1 |
A bolt installation and removal, BIR, system is used for assembling and disassembling a nuclear vessel. The BIR system includes a platform (210) with a stand for supporting the nuclear vessel. A track (204) extends around an outside peri...
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WO/2018/065898A1 |
The invention relates to a pretensioning element pressure screw (11) having a shank (12) with a first end (13) and a second end (14) opposite the first end (13), wherein, proceeding from the first end (13), a threaded section (16) having...
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WO/2018/054485A1 |
A hydraulic screw tensioning device comprising a tubular body (10) with a through opening (11) and an annular cylinder chamber (12) surrounding the through opening (11), a tubular piston (14) movably supported in the body (10) and connec...
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WO/2018/044178A1 |
A bolt tensioning assembly (4) is described, the bolt tensioning assembly (4) comprising: - a bolt (1 ) comprising a first end portion (11) and a second end portion (12) at an opposite side of the bolt (1 ), wherein the first end portion...
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WO/2018/033790A2 |
A pressurising system for bolt tensioning, comprising: an inlet for receiving compressed gas; a fluid outlet for connection to a bolt tensioning device; a pump for pumping fluid for increasing the pressure at the fluid outlet, the pump b...
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WO/2017/218870A1 |
A multi jack tensioner including: a body portion formed to engage an elongate fastening member or integrally formed therewith; a load bearing member for applying force to a workpiece to be fastened and arranged for location about said fa...
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