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US 8,783,729 B2Granted
Coupling system including a safety fastener device
AssigneeTurbomeca
InventorsBenoit Michel Bernard Vincent Auzias, Francis Jean Criado, Gerald Andre Charles Senger
Life of this patent
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Abstract
A coupling system including a coupling for fastening to one end of a pipe via a fastening connection is provided. The coupling system includes a safety fastener device in the form of a sleeve surrounding the fastening connection and having a first end for welding to the pipe, and a hook-forming second end for co-operating with the coupling in such a manner that the hook is suitable for providing fastening between the coupling and the pipe in the event of the fastening connection is damaged.
Claims8
A coupling system comprising:
- a coupling which is fastened to one end of a pipe via a fastening connection, the coupling comprising a cylindrical portion engaging the end of the pipe, wherein said cylindrical portion includes a first annular rib having an outer periphery provided with at least one radially outward projecting lug;
- a sleeve surrounding the fastening connection and having a first end welded to the pipe and second end in the form of a ring with its inner periphery provided with at least one radially inward projecting stud placed so as to abut against a respective at least one lug if the fastening connection breaks, the at least one stud provides fastening between the coupling and the pipe in the event of the fastening connection breaking by abutting a respective at least one lug.
Dependencies are inferred from the claim text.