End fittings for metal hose assemblies and method of attachment

Details End fittings for metal hose assemblies and method of attachment End fittings for metal hose assemblies and method of attachment

1996-01-17

2000-01-25

Brinson, Patrick

Pipes and tubular conduits

Combined

With end structure

138121, 138120, 2852891, 285256, F16L 900

Patent

active

060168420

ABSTRACT:
End fittings for metal hose assemblies are disclosed, plus a method for their attachment. In a preferred embodiment, the hose assembly comprises: a standard flexible metal hose with a convoluted metal innercore; two cold-worked tubular end fittings with straight end portions that are inserted into opposite ends of the innercore, whereby stop beads on the tube limit the amounts of insertion and position the fittings; annular welds between crowns of the beads and adjacent flattened convolutions of the innercore that fix the fittings to the hose; and a pair of crimped locking collars or ferrules (carried on the fittings) that are mounted on the hose ends to protect the welds and hold the fittings in place. No prior machining of the inserted end portions of the fittings is needed to secure a stable weld.

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