| Patents for F16B 31 - Screwed connections specially modified in view of tensile load; Break-bolts (2,772) |
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| 08/11/1987 | US4685188 Method of coupling two flanged shaft ends |
| 07/21/1987 | US4681493 Means for maintaining axial stress on a dowel assembly |
| 07/21/1987 | US4680823 Method of making a self-locking blind fastener |
| 06/30/1987 | US4676109 Load indicating member, apparatus and method |
| 06/09/1987 | US4671715 Lesser shock separation fastener |
| 05/05/1987 | US4662806 For repairing a casting having a crack |
| 05/05/1987 | US4662795 Method of supporting a mine roof using nut element with breakable portion |
| 04/22/1987 | EP0219456A1 Wall tie |
| 04/21/1987 | US4659267 Prefastenable torque-shear bolt |
| 04/08/1987 | EP0217746A1 Wall tie |
| 04/08/1987 | EP0217653A2 Compression pressure indicator |
| 04/07/1987 | US4655159 Compression pressure indicator |
| 04/01/1987 | EP0216721A1 Liner construction |
| 03/31/1987 | US4653969 Pin and swaged tubular member type of fastener |
| 01/14/1987 | EP0138859B1 Expansion dowel with indication of the laying force |
| 01/13/1987 | US4636120 Stud/bolt load gauge |
| 01/07/1987 | EP0207833A1 Threaded stud comprising a torque-limiting means |
| 12/23/1986 | US4630971 Apparatus for anchoring rock and the like |
| 12/09/1986 | US4627774 Limiting torque bolt-nut assembly |
| 12/09/1986 | US4627759 Screw type connector set |
| 11/26/1986 | EP0203003A1 Remotely-controlled assembling device for two items |
| 11/26/1986 | EP0144503B1 Connecting element for two machine parts or structural parts,for example extensible fit screw |
| 11/26/1986 | CN86101574A Torque-limited collar, joint, process for setting the joint, and driver |
| 11/18/1986 | US4622730 Apparatus to mechanically stress a bolt-type fastener |
| 10/21/1986 | US4618291 Nut member and mine roof support system incorporating same |
| 10/21/1986 | CA1212975A1 Fastener assembly for clamped wheels |
| 10/08/1986 | EP0196658A2 Connecting element for two machinery castings or structural members, like fitted antifatigue threaded bolts |
| 10/08/1986 | CN85100659A Fe-cr-al alloy pressure release bolt |
| 09/30/1986 | US4614120 Determination of the make-up torque for pipe joints |
| 09/24/1986 | EP0195455A1 Cranial screw |
| 09/23/1986 | US4613254 Expanding dowel with setting-force indicator |
| 09/17/1986 | EP0194907A1 Compensating element for variations in2tension in a bolted connection |
| 09/10/1986 | EP0194007A1 Load-indicating device |
| 09/03/1986 | EP0192913A1 Expansive dowel with an application indication |
| 09/02/1986 | US4609314 Panel fastener |
| 08/27/1986 | EP0192203A1 Collar, process for setting the joint, and driver |
| 08/13/1986 | EP0190460A1 Anchoring device for the traction member of an anchor, especially a rock anchor |
| 08/05/1986 | US4603889 Differential pitch threaded fastener, and assembly |
| 07/29/1986 | CA1208605A1 Bearing mounting with hydraulic fastening means for cranes and the like |
| 07/22/1986 | US4601623 Fastener system and method |
| 07/22/1986 | US4601207 Measuring mine roof bolt strains |
| 05/28/1986 | EP0182185A2 Load indicating member, apparatus and method |
| 05/27/1986 | US4591288 Joint connection for space framework, made of rods and joint members |
| 05/27/1986 | CA1204955A1 Balanced pin for shear flow joint and joint including the pin |
| 04/08/1986 | US4580796 Hydraulic clamping nut |
| 03/11/1986 | US4575274 Controlled torque connector assembly |
| 02/26/1986 | EP0172665A1 Fastener cooperable with threaded shank |
| 02/25/1986 | US4572717 Tension indicating washer improvements |
| 02/18/1986 | US4571133 Loading washer assembly |
| 02/11/1986 | US4569506 Self-contained stud tensioner and tightener device |
| 02/11/1986 | US4569229 Ultrasonic process for measuring stress in a bolt or similar part adapted to this method |
| 01/08/1986 | EP0167481A1 Pretensionable dowel |
| 12/24/1985 | US4560305 Yieldable connection |
| 12/17/1985 | US4558599 Bolt demonstrator |
| 12/03/1985 | US4556350 Mine roof anchor bolt |
| 12/03/1985 | CA1197387A1 Yieldable connection |
| 11/12/1985 | US4553124 Strain gauge transducer assembly |
| 11/05/1985 | US4551050 Threaded engagement means |
| 10/08/1985 | US4545270 Device for assuring predetermined joint loading in roof insulation assemblies |
| 10/01/1985 | US4544312 Pin and process for its manufacture |
| 09/10/1985 | US4540304 Metal-to-ceramic attachment device |
| 08/28/1985 | EP0153275A1 Tie bolt |
| 08/28/1985 | EP0153224A1 Procedure and device for determining the fastening torque of a tubular joint provided with a conical screwthread and a fastening limit stop, usable in the petrol industry |
| 07/24/1985 | EP0148998A1 Detachable connection |
| 06/25/1985 | US4525114 Fastener device |
| 06/19/1985 | EP0144503A1 Connecting element for two machine parts or structural parts,for example extensible fit screw |
| 05/21/1985 | US4518295 Multi-part fastening nut, including jam nut |
| 05/08/1985 | EP0140066A1 Device for detecting forces, tensions or accelerations at machines, apparatuses or the like |
| 05/02/1985 | EP0138859A1 Expansion dowel with indication of the laying force. |
| 04/23/1985 | US4512697 Torque limiting fastener |
| 04/23/1985 | CA1185817A1 Torque limiting elastomeric fastener for screw threaded member |
| 04/23/1985 | CA1185816A1 Torque limiting elastomeric fastener and seal |
| 03/12/1985 | US4504180 Multi-headed screw |
| 03/05/1985 | US4502825 Multi-headed screw |
| 02/26/1985 | US4501362 Apparatus and method for compressing a sleeping bag into a container and the container therefor |
| 02/19/1985 | US4500237 Tension indicating washer for smooth and irregular surfaces |
| 02/12/1985 | US4498825 Load indicating flange |
| 01/23/1985 | EP0131609A1 Security nuts |
| 01/08/1985 | US4492500 Torque limiting set screw |
| 01/02/1985 | EP0129566A1 Ultrasonic method for measuring strains in a bolt or similar part adapted to said method. |
| 12/27/1984 | EP0129440A1 Improvements in hydraulic nuts and bolts |
| 12/12/1984 | EP0128080A1 Device for assembling composite materials |
| 12/11/1984 | CA1179253A1 Ram-type blowout preventer |
| 12/04/1984 | US4485510 Threaded fastener having minimized length and weight and method to make it |
| 11/20/1984 | US4483648 Bolt tension indicating means |
| 10/30/1984 | US4479747 Fastener assembly |
| 10/30/1984 | US4479666 Load-line fastener |
| 09/27/1984 | WO1984003741A1 Expansion dowel with indication of the laying force |
| 09/18/1984 | US4472098 Torque limiting elastomeric fastener for screw threaded member |
| 09/18/1984 | US4472097 Torque limiting elastomeric fastener and seal |
| 09/18/1984 | US4472096 Optimized fastener construction system and method |
| 09/05/1984 | EP0117387A1 Ultrasonic method for measuring tension in bolts and the like, and part for carrying out the method |
| 09/05/1984 | EP0117291A1 Machine tool with damage avoiding means |
| 07/19/1984 | WO1984002753A1 Security nuts |
| 07/10/1984 | CA1170485A1 Composite buckling blind fastener |
| 07/05/1984 | WO1984002577A1 Ultrasonic method for measuring strains in a bolt or similar part adapted to said method |
| 07/03/1984 | US4457652 Composite buckling blind fastener |
| 06/26/1984 | US4456396 Coupling and method of assembly and disassembly |
| 06/20/1984 | EP0111207A1 Load indicating fastener and tool for producing same |
| 05/15/1984 | US4448561 Screwed safety assembly |