F - Mech Eng,Light,Heat,Weapons – 16 – L
Patent
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.
Beagle Leo F.
Wermer Richard I.
Dana Corporation
Ridout & Maybee Llp
LandOfFree
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