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Patent Searching and Data


Matches 401 - 450 out of 3,544

Document Document Title
WO/2002/086336A1
The invention relates to a nut (10) for limiting an effective torque and corresponding method. The nut (10) comprises a threaded section (1) and a tubular section (2), with a pre-set breakage point (3) arranged between the threaded secti...  
WO/2002/086370A1
The invention relates to a connecting device, preferably a pipe coupling, whose housing (13) is equipped with a deformable indicating element that is provided in the form of a, for example, springy finger (18, 19). When tightening the pi...  
WO2001029436A9
A torque-limiting assembly includes a collar (36), a locking ring (38), and a sleeve member (39). The collar is co-axially and rotatably coupled to a fitting. The locking ring is non-rotatably coupled to the collar, and includes a plural...  
WO/2002/061292A1
A load indicating member (10) is provided with a permanent identifying mark which can be read and used to determine ultrasonic (16) measurement parameters specific to the load indicating member to provide more precise and more reliable l...  
WO/2002/053325A1
A drive tool (10) for use in association with a shearable fastener comprising an operative part and a head part shearable therefrom upon application of a predetermined torque, said drive tool (10) comprising a first assembly adapted to b...  
WO/2002/050439A1
A connection structure, comprising a column of box shape in cross section, a split tee installed on the outer surface thereof, and a high tension bolt inserted from the outside of the split tee and tightened to a nut to connect the colum...  
WO/2002/040877A1
The invention relates to a traction transmitting securing device comprising a bolt element and a safety element which surrounds said bolt element. A number of projections and recesses distanced from each other in the direction of the axi...  
WO/2002/035305A2
A pin pulling device moves a member such as a pin or shaft by a non- pyrotechnic actuation force, such as a spring(s). The actuation member or spring(s) is (are) held in the compressed and loaded position by a release mechanism, such as ...  
WO/2002/018803A1
A shearable fastener comprises an operative part, eg a threaded shank (11), capable of clamping engagement with an object to be fastened, and a shearable part, eg an hexagonal head (13), adapted to shear from the operative part upon appl...  
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...  
WO/2002/014702A1
A tightening device having a function to apply an energizing force, in tightening direction, to a tightened material comprising bolts, nuts, and screws tightening, by threading, a tightened object for long period continuously from the be...  
WO/2001/098675A1
A nut construction (10) is described comprising an outer tightening part (20) and an inner part (30), where the inner tightening part comprises an outer adapted surface (34), which lies against a corresponding inner opening (26) in the a...  
WO/2001/079567A1
A method for manufacturing a high strength bolt excellent in the resistance to delayed fracture and to relaxation, characterized in that a steel product having a chemical composition, wherein C: 0.50 to 1.0 % , Si: 0.5 % or less, Mn: 0.2...  
WO/2001/079714A1
The invention relates to a bolt structure containing an elongated shank part (1), on the first end (1a) of the shank part (1) a fastening means (2), such as a threading on the outer surface of the shank part (1) in the longitudinal direc...  
WO/2001/071202A1
A variably amplified load indicating fastener includes a fastener (100) detachably secured to a load indicator via a base member. The fastener (100) has an abutment which is moved by a change in length under an applied load. The load ind...  
WO/2001/059310A1
A bolt (1) comprising a cylindrical-shaped collar bolt (6) formed at an upper portion of an outer peripheral surface thereof with male threads (4), and a bolt body formed at a lower portion of an outer peripheral surface thereof with mal...  
WO/2001/053707A1
The invention relates to a connecting element in the form of a screw, nut, or disc for a screw connection, comprising on its bearing surface at least one projecting section (11) and at least one surface (17) extending radially beyond sai...  
WO/2001/038745A2
A fastening device (110) for securing a panel to a frame is adapted to shear at a predetermined load to free the panel. A stud (111) and an 'S'-shaped receptacle (112) cooperate to provide a predetermined breakpoint.  
WO2000007512A9
A tool for breaking a shaft comprises two aligned tubular elements (20, 22), each having an end portion for receiving a contiguous length of the same shaft (2). Means are provided for locking each end portion against rotation relative to...  
WO/2001/029436A1
A torque-limiting assembly includes a collar (36), a locking ring (38), and a sleeve member (39). The collar is co-axially and rotatably coupled to a fitting. The locking ring is non-rotatably coupled to the collar, and includes a plural...  
WO2001002830A8
A device used to indicate whether a predetermined compressive load has been applied to the device. The device is formed to receive an anchor member upon which a tensioning force is to be applied in conjunction with loading the device. Th...  
WO/2001/020214A1
An intrinsic gauging device for a ferrule type tube fitting (10) of the type having a coupling nut (14), a coupling body (12) and at least one ferrule (32), includes a precisely formed marking on the coupling body that is visually percep...  
WO/2001/014753A1
A metallic nut body (1), comprising a cylindrical body (3) having female threads (5), a seat part (7) which is projected radially from the lower end of the cylindrical body (3) and has a lower surface in contact with a member to be fixed...  
WO/2001/002830A1
A device used to indicate whether a predetermined compressive load has been applied to the device. The device is formed to receive an anchor member upon which a tensioning force is to be applied in conjunction with loading the device. Th...  
WO/2000/077409A1
A tightening bolt capable of switching between the tightened state and the released state rapidly and easily, wherein a flange is tightened between the bolt head of the tightening bolt and a nut screwed onto a thread part through a spher...  
WO/2000/063565A1
The invention relates to a fixing device, such as a screw (1), a plain washer, a nut or a rivet, with an information memory that can be read from the exterior. The information memory (4) is machine readable. According to the invention, t...  
WO/2000/058635A1
A tension control arrangement including a plurality of cams (5) disposed about an opening (21) that accommodates a bolt (3) to which a nut (11) is intended to be secured. Each of the cams has a contoured outer surface (6), and each of th...  
WO/2000/055511A1
Threaded bolt (1) having a proximal head end (3) and a distal insertion end (6), wherein the head end and the insertion end have been provided with radial measurement planes (14, 8) for use in ultrasonic length measurement for determinin...  
WO/2000/029755A1
In order to provide a visible indication of loosening of a nut or a bolt relative to another member to which it is threadably engaged, a rotation indicator assembly comprises a first element, which is permanently secured to the nut (30) ...  
WO2000014416A3
The invention relates to a screw and nut unit consisting of a screw (1) having a thread with a diameter (DS) and a pitch (s) and a nut having a thread with a diameter (DM) matching the diameter (DS) of the screw thread and a pitch (m). S...  
WO/2000/022306A1
A method of indicating the tensile load on a fastener (2) including providing on said fastener an observation face (24) surrounded by a reference face (12), the planes of said faces being parallel to each other and adapted to move relati...  
WO1999061196A3
A high temperature bolting system (16) for clamping steam turbine housings (10) while operating at a temperature of 800 to 1200 degrees F. An elongated fastener shank (20) has a similar coefficient of thermal expansion as the housings se...  
WO/2000/019179A1
A fastener strain sensing device (218) and system for providing discrete or continuous sensing of fastener tension $i(in situ) suitable for use, for example, with bolt-type fasteners having a bolt head (212) with an exposed surface (216)...  
WO/2000/019115A1
A tensioning nut comprising a body (1, 31) which screws onto a threaded part of an article, has one or more stacks of compressible components (3, 33) located with regard to the longitudinal axis of the nut. The or each stack acts in use ...  
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...  
WO1999057532A3
The invention relates to a method and a device for checking a screwed connection and to special screws to implement said method. The method is based on the utilization of a special screw (2) with a one-piece cored hole (5) pressing toget...  
WO/2000/007512A1
A tool for breaking a shaft comprises two aligned tubular elements (20, 22), each having an end portion for receiving a contiguous length of the same shaft (2). Means are provided for locking each end portion against rotation relative to...  
WO/2000/001509A1
An automatic screw fastener which automatically fastens a bolt or the like mounted on a mounting member made of metal or the like into which nails and the like are hardly driven, comprising a casing (2), a rotor (4) placed rotatably and ...  
WO/2000/000749A1
A threaded fastener (48) for securing workpieces (50, 52) with a determinable desired clamp load and including a nut assembly (10) and a bolt (46) with the nut assembly (10) including a nut member (12) with a lock base (14) having a load...  
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 ...  
WO/1999/061196A2
A high temperature bolting system (16) for clamping steam turbine housings (10) while operating at a temperature of 800 to 1200 degrees F. An elongated fastener shank (20) has a similar coefficient of thermal expansion as the housings se...  
WO/1999/057446A1
The invention relates to a method and a device for producing and checking screwed connections that can be preferably used in assembly processes in industrial production, in workshop operations or for monitoring purposes in plant engineer...  
WO/1999/057532A2
The invention relates to a method and a device for checking a screwed connection and to special screws to implement said method. The method is based on the utilization of a special screw (2) with a one-piece cored hole (5) pressing toget...  
WO1999027260A3
The invention relates to a clamping device (1) having an inner pipe element (2) and an outer pipe element (3) which is concentrically arranged relative to the inner pipe element. Plate springs (4, 5, 6, 7, 8) which are arranged between t...  
WO/1999/040331A1
A screw tightening tool which comprises a spiral-shaped power spring (1) and latch means (2). Mounted to a front end of the power spring (1) is an engagement member (3), which has a fitting portion (31) and is adapted to engage with a me...  
WO/1999/027260A2
The invention relates to a clamping device (1) having an inner pipe element (2) and an outer pipe element (3) which is concentrically arranged relative to the inner pipe element. Plate springs (4, 5, 6, 7, 8) which are arranged between t...  
WO/1999/024724A1
Self-tightening nut (1) is positioned by rotating housing (10) relative to shaft (2) so as to engage nut (18) with thread (26). The shaft receiving aperture in upper housing (25) has an internal thread, so that continued rotation of hous...  
WO/1999/009327A1
A fastener system (1) employs a portable sensing device (13) such as one or more reactance capacitors (15, 16) or an image processor such as a camera (34) or a laser, which removably attaches adjacent to the fastener to detect and measur...  
WO/1999/002870A1
A device for limiting torque, the device comprising a body, the body having a number of tool engageable surfaces (12). Slots (18) are formed in at least one tool engagable surface, a slot defining an arm (11) with respect to an adjoining...  
WO/1998/055269A1
The invention relates to a screwdriver adapter (1) which is provided with a receiving part (3) with an inner space (5). A nut (2) is arranged at the open end of the pot-shaped receiving part (3) in such a way that it is torsionally rigid...  

Matches 401 - 450 out of 3,544