Ferrule with radial crown

Details Ferrule with radial crown Ferrule with radial crown

2011-04-12

2011-04-12

Bochna, David E (Department: 3679)

Pipe joints or couplings

Deformed

By separate deformable element

C285S342000, C285S348000

Reexamination Certificate

active

07922217

ABSTRACT:
A ferrule for a metal tube fitting includes an annular body having a generally cylindrical radially interior wall extending through the center of the ferrule. An outer radial wall extends from the ferrule front end to a rearward flange portion of the annular body. The outer radial wall has: a first tapered portion extending from the ferrule front end with an increasing radial dimension towards the rearward flange portion, the first tapered portion extending to a crown portion, the crown portion including a convex surface that tapers radially inwardly towards the rearward flange portion.

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Office action from Japanese Application No. 571019/01 dated Sep. 14, 2010.

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