Matches 1 - 9 out of 9


Match Document Document Title
US20080193249 Laminated nut with tension indicator  
A laminated nut with a visual indicator indicating if the nut is in a fully tightened state. The nut includes a plurality of conical disc springs enclosed in a cage. In one embodiment, a visual...
US20100014936 THREADED FASTENER WITH PREDETERMINED TORQUE  
The invention relates to a threaded fastener. In particular, the invention relates to a threaded fastener such as a nut or a bolt. In an embodiment of the invention, a threaded fastener in the...
US20110085872 DEVICE FOR INDICATING THE TENSIONING OF A FASTENING MEMBER, SUCH AS A SCREW OR THE LIKE  
The invention concerns a device for indicating the tensioning of a fastening member, such as a screw or the like, said device comprising a first portion with a first fastening member receiving...
US20080278319 Method and apparatus for detection of structure failure  
A detection and alarm system comprises a piezoelectric film sensor and associated circuitry. The sensor detects acoustic emission signals from metallic objects under stress upon which it is...
US20100054891 FASTENING APPARATUS AND SYSTEM FOR DETECTING AXIAL FORCE THEREOF  
A detecting system of a fastening apparatus that detects an axial force of the fastening apparatus including a bolt or a nut. The detecting system includes an axial force detector including a...
US20120073104 Bolt preloading check system  
A bolt system for indicating a level of preload of a bolt that is connectable to a subject to be fixed is disclosed The bolt system includes the bolt with a bolt head, a first sleeve attached to...
US20130081244 MONITORING FASTENING LOADING  
A retrofit system for providing a load indicator on a foundation bolt. The system includes a fastener having a fastener head, gauge length and central fastener bore in the gauge length and head. A...
US20100284759 MONITORING FASTENING LOADING  
A retrofit system for providing a load indicator on a foundation bolt. The system includes a fastener having a fastener head, gauge length and central fastener bore in the gauge length and head. A...
US20160281759 Connection System for Detachably Connecting Components and Kit With Such  
A connector system for releasably connecting components has a key tool, which has a force transferring head, and a screw element, which has a force receiving head, which can be connected to one...
Matches 1 - 9 out of 9