COUPLING

Description

The industrial purpose is to provide a coupling to join an accessory to an element. PIPE, FOR EXAMPLE, TO CONNECT A SPRINKLER FOR USE IN FIRE EXTINGUISHING SYSTEMS FIRES IN A BRANCH PIPE OF A PIPE NETWORK OF THE FIRE EXTINGUISHING SYSTEM FIRES. THE COUPLING IS DESIGNED TO ALLOW QUICK MOUNTING OF THE SPRINKLER OR OTHER FITTING ON THE BRANCH PIPE OR OTHER PIPE AND FOR RETAINING THE SPRINKLER OR OTHER FITTING WHILE ALLOWING THE END OF A BRANCH PIPE OR OTHER PIPE TO BE INSERTED INTO THE COUPLING WITHOUT DISASSEMBLY. AFTER INSERTING THE PIPE, THE BOLT IS TIGHTENED. TO RETAIN THE ENTIRE ASSEMBLY IN THE BRANCH PIPE. THE