Patents for F16B 31 - Screwed connections specially modified in view of tensile load; Break-bolts (2,772)
09/2002
09/19/2002US20020131839 Bolt and method of clamping members using the same
09/18/2002EP1241364A2 Bolt and method of clamping members using the same
09/12/2002US20020127079 Threaded bolt having measurement planes
08/2002
08/28/2002CN1366555A Method for manufacturing high strength bolt excellent in resistance to delayed fracture and relaxation
08/21/2002CN1089435C Ultrasonic load indicating member with sensor
08/08/2002WO2002061292A1 Load indicating member with identifying mark
08/08/2002WO2001029436A9 Torque-limiting assembly
08/06/2002US6428269 Turbine engine bearing support
07/2002
07/30/2002US6425718 Direct multi-tension indicating washer having bumps of a first and second height
07/23/2002US6421902 Method and device for producing and checking screwed connections
07/18/2002US20020093146 Pressure relief arrangement for a housing
07/11/2002WO2002053325A1 Driving tool for shearable fasteners
07/11/2002US20020089231 Combined dust cap and position indicating device, particularly for vehicle wheel nuts
07/03/2002EP1007928B1 Method and device for checking screwed connections
06/2002
06/27/2002WO2002050439A1 High tensile bolt connection structure, method of fixing nut for the structure, torsia high tensile bolt, and connection method using the torsia high tension bolt
06/27/2002CA2349262A1 Pressure relief arrangement for a housing
06/26/2002EP1217232A1 Lock nut
06/26/2002EP1216377A1 Tube fitting with indicating means
06/26/2002EP1007287B1 Method and device for producing screw assemblies
06/20/2002US20020076296 Torque lock
06/20/2002US20020076295 Torque limiting device
06/14/2002CA2364325A1 Torque limiting device
06/13/2002US20020071734 Tamper indicating tool engaging head
06/11/2002US6404322 Fusible link
06/11/2002US6402447 Connection bolt for repeated tightening beyond yield point
06/06/2002US20020066246 Automatic take-up device with internal spring
06/04/2002US6398471 Utility lug nut tension indicator
06/04/2002US6398312 Combined dust cap and position indicating device, particularly for vehicle wheel nuts
05/2002
05/29/2002DE10057302A1 Zugübertragende Befestigungsvorrichtung Zugübertragende fastening device
05/23/2002WO2002040877A1 Traction transmitting securing device
05/09/2002US20020054809 Utility lug nut tension indicator
05/07/2002US6381827 Method for maintaining a clamping force between bolted parts in high temperature
05/02/2002WO2002035305A2 Explosive-bolt-activated spring-loaded actuation device
05/01/2002CN1347480A Fixing means with machine readable information memory
04/2002
04/24/2002CN1346028A High tension screwn bolt set
04/23/2002CA2178769C Pipe junction holder with a novel torque-limiting device
04/17/2002CN2486765Y Hydraulic expansion bolt of turbine generator group coupling
04/10/2002EP1195533A1 Tightening bolt
04/03/2002EP1007858B1 Method and device for producing and checking screwed connections
04/02/2002US6364585 Torque-controllable screw with knob
04/02/2002CA2258341C Bolt attaching and detaching device
03/2002
03/27/2002CN1341815A Thread fastener
03/20/2002EP0948422B1 An axial tensioned bolting system and method thereof
03/20/2002EP0910750B1 Method and apparatus for indicating a load
03/07/2002WO2002018803A1 Shearable fastener
03/06/2002EP1184581A2 Threaded fastener
03/05/2002US6351997 Method and device for checking screwed connections
02/2002
02/28/2002WO2002016084A1 Method and apparatus for pretensioning remotely installed clamps and flanges
02/28/2002CA2420612A1 Method and apparatus for pretensioning remotely installed clamps and flanges
02/26/2002CA2255262C Fastener system including a clamp-force indicating insert
02/21/2002WO2002014702A1 Tightening device
02/19/2002US6348674 Method and apparatus for pretensioning remotely installed clamps and flanges
02/05/2002US6343904 Fastener assembly for preventing corotation during tightening
01/2002
01/29/2002US6341533 Method for determining the installed torque in a screw joint at impulse tightening and a torque impulse tool for tightening a screw joint to a predetermined torque level
01/16/2002EP1171716A1 Fixing means with machine readable information memory
01/15/2002CA2220611C Attachment element
01/09/2002EP1169576A1 Bolt and mount construction of members using the same
01/02/2002EP1165973A1 Tension control arrangement for a bolt
12/2001
12/27/2001WO2001098675A1 A nut construction and a screw/bolt construction
12/25/2001US6332378 Method and device for producing screw assemblies
12/12/2001EP0986451B1 Screwdriver adapter
12/11/2001US6328512 Tamper indicating tool engaging head
12/06/2001DE10110001A1 Nut for anchoring bolts in mine strata has first internally threaded section and second, deformable threaded section, forming discontinuity in first thread
12/05/2001EP1159538A1 Threaded bolt having measurement planes
12/04/2001US6324946 Screwdriver adapter
11/2001
11/27/2001US6321624 Apparatus for clamping screws
11/15/2001US20010041113 Fastening device with shearing capability
11/07/2001EP0907466B1 A safety device at preloaded bolts
10/2001
10/30/2001US6309154 Torque-limiting assembly
10/25/2001WO2001079714A1 Bolt structure
10/25/2001WO2001079567A1 Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation
10/24/2001EP0874955B1 Direct tension indicator washer
10/04/2001US20010026746 Flange nut
10/02/2001US6296429 Mine roof tension nut having improved frangible qualities
09/2001
09/27/2001WO2001071202A1 Variable amplification bolt load indicator apparatus and a method of making and using the apparatus
09/27/2001DE10012002A1 Liquid meter e.g. water meter, includes meter housing screwed to pipeline fitting using screw head with controlled tightening momentum
09/26/2001EP0837993B1 Device for measuring the extension of a threaded bolt or screw
09/19/2001CN1071169C Method of an derice for elongating and relaxing a stud and the like
09/12/2001EP0932531B1 Pretensioner
09/05/2001EP1129298A1 A position indicator assembly for nuts and/or bolts
08/2001
08/30/2001US20010018014 Self-locking nut
08/16/2001WO2001059310A1 Bolt and mount construction of members using the same
08/07/2001US6270302 Fastener identification system
07/2001
07/26/2001WO2001053707A1 Connecting element in the form of a screw, nut, or disc for a screw connection and a method for tightening the same
07/25/2001EP1118778A1 Threaded fastener and assembly
07/25/2001EP1117504A1 Jackbolts for multi jackbolt tensioners
07/24/2001US6264414 Fastener for connecting components including a shank having a threaded portion and elongated portion and a fitting portion
07/24/2001US6263764 Jackbolts for multi jackbolt tensioners
07/19/2001DE19961854C1 Spring-loaded screw with explosive charge e.g. for armoured vehicle, has detonation leads connected to charge via cooperating contacts of screw and its cooperating retaining nut
07/19/2001DE10001857A1 Screw, nut or washer for screw connection has annular contact surface, protuberance surrounded by grooves
07/17/2001US6261041 Clamping screw
07/10/2001US6257813 Screw clamping device with automatic clamping means
07/03/2001US6254323 Bolt for connecting two parts with one another, and fastening device provided with the bolt
07/03/2001US6254322 Bolt with a bolt member, a washer and a sleeve for applying forces to the bolt member and the sleeve
07/03/2001CA2054901C Springing bolt splinter protection device
06/2001
06/28/2001DE19960198A1 Locking screw device with distancing element and screw connecting lock for fixing an object includes a setscrew with a tool holder, predetermined breaking points and a distancing element in the tool holder.
06/27/2001EP0759125B1 Device for protection against over-tightening of bolts, screws and the like
06/26/2001US6250863 Washer having stressed and unstressed strain gauges
06/20/2001EP1108900A1 Fluid operated tool for elongating and relaxing a threaded connector
06/20/2001CN1067316C Srewdriver adapter
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