Apparatus for forming a flange at the end of a conduit

Details Apparatus for forming a flange at the end of a conduit Apparatus for forming a flange at the end of a conduit

2006-02-28

2006-02-28

Tolan, Ed (Department: 3725)

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

C072S101000, C072S105000, C072S109000

Reexamination Certificate

active

07003998

ABSTRACT:
Apparatus for shaping a conduit to form a radially outwardly projecting flange at an end thereof includes a holding fixture, a collar surrounding the conduit disposed in an opening in the holding fixture, rotation imparting structure engaging the collar for simultaneously rotating the collar and the conduit and a flange forming tool connected to the holding fixture engaging a conduit end to apply bending forces to the conduit to form the flange when the conduit is rotated. The apparatus also includes a conduit cutter for cutting the conduit to form the end prior to flange formation.

REFERENCES:
patent: 2016735 (1935-10-01), Abramson
patent: 2975819 (1961-03-01), Costanzo et. al.
patent: 3050102 (1962-08-01), Hock
patent: 3196655 (1965-07-01), Hedgecock et al.
patent: 3451243 (1969-06-01), Gallinger
patent: 3473359 (1969-10-01), Joslin
patent: 3748933 (1973-07-01), De Shazor
patent: 3867824 (1975-02-01), Takagi et al.
patent: 6666062 (2003-12-01), Dole et al.

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