Burring device

Details Burring device Burring device

2006-12-19

2006-12-19

Larson, Lowell A. (Department: 3725)

Metal deforming

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

Spherical tool

C072S343000

Reexamination Certificate

active

07150172

ABSTRACT:
A burring device is provided which can efficiently perform continuous burring. The burring device has a work holder which has a burring hole and which holds a work object, a pusher rod which rotatably supports the base end of a metal core which has a processing part on the tip end thereof, and a guide rod which is positioned to the front of the extended axis of the pusher rod and which has a guide surface on the tip end thereof which guides the tip end of the metal core towards the burring hole of the holder.

REFERENCES:
patent: 878604 (1908-02-01), Brinkman
patent: 1099669 (1914-06-01), Ruckstinat
patent: 3155139 (1964-11-01), Hautau
patent: 5673580 (1997-10-01), Ohno
patent: S59-033036 (1984-02-01), None

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