| Patents for F16B 31 - Screwed connections specially modified in view of tensile load; Break-bolts (2,772) |
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| 09/11/1979 | CA1062057A1 Fastener assembly for creating accurate tension indicating fastener and method of calibrating the same |
| 08/14/1979 | US4164164 Bolt tension indicating means |
| 07/24/1979 | CA1058922A1 Fastener system |
| 07/11/1979 | EP0002728A1 Device for attaching plates to a supporting structure, in particular for license plates for trucks |
| 07/03/1979 | US4159667 Torque limiting RF connector |
| 07/03/1979 | CA1057541A1 Inherently torque-limited nut |
| 06/26/1979 | US4159483 Low profile force indicating fastener, especially for semiconductor clamps |
| 06/26/1979 | CA1057091A1 Controllably deformable fastener assembly |
| 05/16/1979 | EP0001935A1 Threaded fasteners, threaded fastener elements and fastening processes using same |
| 04/17/1979 | US4149446 Load indicator washer |
| 04/17/1979 | US4149434 Screw and screwdriver therefor |
| 03/20/1979 | US4144796 Expansion dowell assembly with setting control |
| 03/20/1979 | CA1050828A1 Tension indicating washer unit |
| 03/06/1979 | US4142293 Anchoring screw for dental fillings |
| 03/06/1979 | US4142266 Method for creating overload protection against yielding in bolts |
| 02/13/1979 | US4138922 Safety disk assembly |
| 02/13/1979 | CA1048313A1 Artefacts incorporating load limiting means |
| 02/06/1979 | US4137816 Expansion dowel with a setting control |
| 12/26/1978 | US4131050 Visual load indicator |
| 12/12/1978 | CA1044053A1 Mine bolt tension indicator |
| 11/21/1978 | US4125929 Deformable metallic element |
| 11/14/1978 | CA1042242A1 Flexible rock bolt or reinforcing rod |
| 10/17/1978 | US4120230 Self-straining bolts |
| 10/10/1978 | US4118849 Fastener with removable pintail and locking collet |
| 10/03/1978 | US4118135 Pre-stressed rod joint |
| 08/29/1978 | US4109691 Combination torque release screw and screw driver |
| 08/15/1978 | US4106875 Explosively-separated tongue and groove joint |
| 08/15/1978 | US4106370 Electric infinite-range load-sensing transducer |
| 07/25/1978 | US4102589 Method of and means for safely releasably tensioning structural parts such as clamping members |
| 06/13/1978 | US4094558 Locking nut assembly with deformable locking sleeve |
| 04/25/1978 | US4085649 Bolt assembly |
| 03/14/1978 | US4078573 Clamping device incorporating load limiting means |
| 02/28/1978 | US4076291 Tamper-resistant electric meter sealing ring |
| 02/28/1978 | US4075923 Fastener tensioning apparatus |
| 02/21/1978 | US4074542 Coupling |
| 02/07/1978 | US4072081 Tension indicating washer unit |
| 01/17/1978 | US4069102 Nuclear core region fastener arrangement |
| 01/17/1978 | US4068555 Inherently torque-limited nut |
| 12/13/1977 | US4062254 Device for tightening, prestressing and untightening a threaded joint |
| 12/06/1977 | US4061073 Controllably deformable fastener assembly |
| 09/13/1977 | US4047463 Tension indicator |
| 09/06/1977 | US4046052 Torque limiting RF connector |
| 08/16/1977 | US4041776 Strain indicator |
| 07/26/1977 | US4037516 Safety device and method |
| 07/26/1977 | US4037515 Tamper resistant fastener |
| 06/14/1977 | US4029379 Electrical bus duct with torque indication nut |
| 05/03/1977 | US4020734 Tension indicator for fastener means |
| 05/03/1977 | US4020720 Apparatus for tightening high-strength steel bolts |
| 04/12/1977 | US4017059 Device for stressing with a limited force, in particular for a belt tensioner |
| 03/08/1977 | US4010669 Bolt tensioning arrangement |
| 02/22/1977 | US4008970 Force applying |
| 02/22/1977 | US4008598 Work reducing |
| 02/08/1977 | US4006661 Reusable torque limiting fastening device |
| 01/04/1977 | US4000681 Mine bolt tension indicator |
| 11/23/1976 | US3992974 Conical washer for a high tensile strength bolt |
| 10/26/1976 | US3987699 Opti-mechanical displacement microindicator |
| 10/26/1976 | US3987668 Light reflective opti-mechanical displacement microindicator |
| 10/19/1976 | US3986750 Micro-nut and sensory mounting arrangement |
| 09/14/1976 | US3979918 Rock bolts |
| 09/07/1976 | US3978761 Fastener assembly |
| 08/17/1976 | US3974685 Tightening system and method |
| 06/29/1976 | US3965565 Method of and apparatus for tightening high-strength steel bolts |
| 06/22/1976 | US3964299 Strain indicator |
| 06/15/1976 | US3963322 Torque controlling set screw for use with the cable of solderless connectors, or the like |
| 06/15/1976 | US3962950 Bolt pretensioning device |
| 06/01/1976 | US3960048 Fastener assembly for creating accurate tension indicating fastener and method of calibrating the same |
| 04/20/1976 | US3951561 Stress coining tool fastened joint |
| 04/06/1976 | US3948141 Load indicating washer |
| 04/06/1976 | US3947948 Method of assembling and disassembling a pre-tensioned screwed joint and a device for carrying out the method |
| 03/09/1976 | US3942329 Flexible rock bolt |
| 02/10/1976 | US3937121 Double break-off screw |
| 01/20/1976 | US3933074 Fatigue improvement nut |