Pressure hose coupling collar and method for producing same

Details Pressure hose coupling collar and method for producing same Pressure hose coupling collar and method for producing same

F - Mech Eng,Light,Heat,Weapons

16

L

F16L 33/24 (2006.01) F16L 33/207 (2006.01)

Patent

CA 2050779

ABSTRACT OF THE DISCLOSURE A metal collar which is used to construct a coupling for a flexible pressure hose includes a plurality of inner annular beads which are formed by a single stamping operation. The stamping operation is performed by a forming apparatus which includes a collapsible, segmented outer die assembly and a coaxially positioned expandable inner die assembly. When formed, the collar will also include a plurality of corresponding outer annular grooves opposite the inner annular beads. Due to the segmented construction of the die assemblies, both the outer grooves and the inner beads are not continuous, but are formed with a plurality of circumferentially spaced interruptions.

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