| Patents for F16B 31 - Screwed connections specially modified in view of tensile load; Break-bolts (2,772) |
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| 06/13/2001 | EP1105250A2 High temperature bolting system |
| 06/12/2001 | US6244804 Tension-indicating fasteners |
| 06/06/2001 | CN1066806C Pre-stressing apparatus and fastening element and pre-stressing method |
| 05/31/2001 | WO2001038745A2 Fastening device with shearing capability |
| 05/29/2001 | CA2035786C Indicator-nut threaded coupling with load-indicating device adapted to be arranged on anchors, in particular grouted anchors for mining or the like |
| 05/23/2001 | EP1100390A1 Tool for shearing bolts |
| 05/22/2001 | US6234735 Spring-loaded compression and tension pin |
| 05/09/2001 | CN1294269A Screw arbor assembly and its fastening device |
| 05/03/2001 | WO2000007512A9 Tool for shearing bolts |
| 04/26/2001 | WO2001029436A1 Torque-limiting assembly |
| 04/25/2001 | EP1094232A1 Bolt and fastening arrangement |
| 04/25/2001 | CN1065032C Improved high strength blind bolt with uniform high clamp over extended grip range |
| 04/24/2001 | US6220801 Free-running-on, locking-off and tension directly indicated locking nut (frolo & TDI locking nut) |
| 04/18/2001 | EP1092098A1 Threaded fastener with determinable clamp load |
| 04/11/2001 | EP1091093A2 Fastening arrangement for a split flangeless casing |
| 04/03/2001 | US6209424 Clamping screws |
| 03/29/2001 | WO2001002830A8 Direct tension indicator for embedded anchor members |
| 03/22/2001 | WO2001020214A1 Tube fitting with indicating means |
| 03/22/2001 | CA2629361A1 Tube fitting with indicating means |
| 03/20/2001 | US6204771 Load indicating fastener systems method and apparatus |
| 03/13/2001 | US6199453 High temperature bolting system |
| 03/07/2001 | EP0984176B1 Bolt with shearable head |
| 03/06/2001 | US6198049 Torque limiting socket for twist-on wire connectors |
| 03/01/2001 | WO2001014753A1 Lock nut |
| 01/23/2001 | US6176665 Threaded fastener and assembly |
| 01/23/2001 | US6176659 Shearable screw |
| 01/23/2001 | US6176638 Chemically bonded anchor systems |
| 01/17/2001 | EP0874956A4 Clamping screw |
| 01/11/2001 | WO2001002830A1 Direct tension indicator for embedded anchor members |
| 12/28/2000 | DE10030744A1 Connecting bolt; has indication mark in bolt head and indication symbol at free end of bolt shaft, with planes through rotation axis and mark and symbol respectively at fixed angle |
| 12/27/2000 | CN1059955C Fastener |
| 12/21/2000 | WO2000077409A1 Tightening bolt |
| 12/06/2000 | EP1058014A1 Fastening device using a screw and nut unit |
| 11/28/2000 | US6152665 Direct tension indicating washers |
| 11/14/2000 | US6146074 Washer having an inclined profile |
| 11/14/2000 | US6146070 Bolt/nut unfastening preventing structure |
| 11/02/2000 | EP1048857A2 Expanding anchor |
| 11/02/2000 | DE19918781A1 Spreizanker Expansion anchor |
| 11/02/2000 | DE19917222A1 Schraube sowie Vorrichtung zur Handhabung einer derartigen Schraube Screw and apparatus for handling such a screw |
| 10/26/2000 | WO2000063565A1 Fixing means with machine readable information memory |
| 10/24/2000 | US6135687 Direct tension indicator for embedded anchor members |
| 10/24/2000 | US6134973 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 |
| 10/17/2000 | US6131302 Device for measuring the extension of a threaded bolt or screw |
| 10/11/2000 | CN1269741A Automatic screw fastener |
| 10/05/2000 | WO2000058635A1 Tension control arrangement for a bolt |
| 10/05/2000 | CA2367066A1 Tension control arrangement for a bolt |
| 09/21/2000 | WO2000055511A1 Threaded bolt having measurement planes |
| 09/20/2000 | CN1267362A Load indicating fastener systems method and apparatus |
| 09/14/2000 | DE19908017A1 Fastener for security or locking components comprises bolt and conical nut with tightening device connected to its tip via shearable ring |
| 09/06/2000 | EP1032768A2 Clamping device |
| 09/05/2000 | US6112396 Jackbolts for multi jackbolt tensioners |
| 08/30/2000 | EP0912846A4 Seals for hydraulic assemblies |
| 08/22/2000 | US6105471 Bolt attaching and detaching device |
| 08/15/2000 | US6102488 Torque angle limiting wheelnut |
| 08/15/2000 | CA2183338C Electromagnetic acoustic transducer for bolt tension and load measurement |
| 08/01/2000 | US6095733 Threaded fastener with determinable clamp load |
| 07/27/2000 | DE19900791A1 Verbindungselement für zwei Maschinen- oder Bauteile insbesondere Paß-Dehnschraube, Paß-Gewindebolzen o. dgl. Connecting element for two machine or components especially fitting elongation screw, passport stud o. The like. |
| 07/19/2000 | EP1020652A2 Fastening element for two machine parts or structural members, especially extensible-fit, screw-fit threaded bolt, etc |
| 07/19/2000 | EP1020251A1 Automatic screw fastener |
| 07/05/2000 | EP0983444A4 Free running prevailing torque nut |
| 07/05/2000 | CN1259069A Screwdriver adapter |
| 07/04/2000 | US6082941 Torque-limiting fastener |
| 06/28/2000 | CN1053961C Coupler |
| 06/20/2000 | US6078617 Apparatus and method for coding and decoding video images |
| 06/20/2000 | US6077008 Safety device for preloaded bolts |
| 06/14/2000 | EP1007928A2 Method and device for checking screwed connections |
| 06/14/2000 | EP1007858A1 Method and device for producing and checking screwed connections |
| 06/14/2000 | EP1007287A1 Method and device for producing screw assemblies |
| 06/13/2000 | US6074134 Tensionable cable bolt |
| 05/31/2000 | EP1003978A1 Load indicating fastener systems method and apparatus |
| 05/25/2000 | WO2000029755A1 A position indicator assembly for nuts and/or bolts |
| 05/18/2000 | DE19852992A1 Connecting arrangement comprises tie rods in pairs, passages in each component, threaded sleeves and cavity |
| 05/10/2000 | CN1252856A Free running prevailing torque nut |
| 05/09/2000 | US6059500 Arrangement and method for detecting a fatigue fracture of a bolted connection caused by overstressing |
| 05/04/2000 | WO2000014416A3 Screw and nut unit for hydraulic actuation |
| 04/25/2000 | US6053682 Fastening screw with a bevel and deformable coating for securing a body place |
| 04/20/2000 | WO2000022306A1 Monitoring tension of threaded fasteners |
| 04/13/2000 | WO1999061196A3 High temperature bolting system |
| 04/06/2000 | WO2000019179A1 Strain gauge and strain-indicating devices |
| 04/06/2000 | WO2000019115A1 Tensioning nut |
| 04/04/2000 | CA2048667C Opti-mechanical displacement indicator with high sensitivity |
| 03/28/2000 | US6042430 Fastener |
| 03/22/2000 | EP0986451A1 Screwdriver adapter |
| 03/16/2000 | WO2000014416A2 Screw and nut unit for hydraulic actuation |
| 03/16/2000 | WO1999057532A3 Method and device for checking screwed connections |
| 03/09/2000 | DE19940976A1 Screw thread fixture for hydraulic assembly applications has different nut and bolt thread pitches minimising risk of damage during release |
| 03/08/2000 | EP0984176A1 Bolt with shearable head |
| 03/08/2000 | EP0983444A1 Free running prevailing torque nut |
| 02/17/2000 | WO2000007512A1 Tool for shearing bolts |
| 02/17/2000 | DE19837024A1 Non-visible anchor mounting at the rear side of a facade tile has a bolt with a self-tapping thread screwed into a blind drilling with a shear head on exceeding a given screwing torque |
| 02/17/2000 | CA2339120A1 Tool for breaking shafts |
| 02/16/2000 | EP0706438B1 Screw for fastening |
| 02/01/2000 | US6019556 Locking fastener assembly |
| 01/13/2000 | WO2000001509A1 Automatic screw fastener |
| 01/13/2000 | CA2302613A1 Automatic screw clamping device |
| 01/06/2000 | WO2000000749A1 Threaded fastener with determinable clamp load |
| 01/04/2000 | US6009759 Minimizing the effect of bending on ultrasonic measurements in a load-bearing member |
| 01/04/2000 | CA2196256C Fastener characterization with an electromagnetic acoustic transducer |
| 12/30/1999 | DE19819301C1 Verfahren und Vorrichtung zum Prüfen der Vorspannkraft von Schraubverbindungen Method and device for checking the prestress force of screw |
| 12/29/1999 | EP0967053A2 Method for determining the axial load in a threaded fastener when tightened above its yield point |