Method and apparatus for flaring a tube

Details Method and apparatus for flaring a tube Method and apparatus for flaring a tube

2005-08-30

2005-08-30

Crane, Daniel C. (Department: 3725)

Metal deforming

By use of non-deforming work-gripping clamp and relatively...

Clamp structure constitutes sole initial metal-deforming...

C072S370110, C072S479000

Reexamination Certificate

active

06935153

ABSTRACT:
A tool for forming flares in, for example, corrugated elliptical tubing. The tool may have a retaining portion having a longitudinal axis located between an impact surface and a die head. The die head is coupled to the retaining portion on a first side, and on a second side the die head has a guide plug extending from an inner area of a flare surface normal to the longitudinal axis; and a bottoming surface extending from a periphery of the flare surface. The bottoming surface is oriented at an angle to the flare surface. A saw guide may be used to obtain an appropriate extension of the tube from a stop which the flare is formed against.

REFERENCES:
patent: 1505409 (1924-08-01), Mueller et al.
patent: 1966053 (1934-07-01), Squires
patent: 1986025 (1935-01-01), Stecher
patent: 2438292 (1948-03-01), Linker et al.
patent: 3833984 (1974-09-01), Dietzel
patent: 4590785 (1986-05-01), Morris
patent: 4779441 (1988-10-01), Pringle
patent: 6062060 (2000-05-01), Nguyen
patent: 6257110 (2001-07-01), Ricci et al.

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