Automated tube tee forming and trimming system

Metal deforming – With cutting – By shearing tool-couple

Reexamination Certificate

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Details

C072S370270, C029S890148

Reexamination Certificate

active

06840079

ABSTRACT:
An automatic tube tee forming and trimming system uses a single apparatus for milling a hole in a tube, pulling a forming die through the milled hole, and face trimming the resulting pullout joint to the desired height. The forming die is pulled out through the hole via a universal driver which is simply attached to the drawbar without requiring any twisting to lock the assembly. The system may automatically conduct each of the steps once the tube is loaded into the apparatus. The apparatus completes the tube tee forming and trimming process in a relatively small cell, without the need to travel out to another factory area, within a relatively short period of time, and with minimal use of manual labor.

REFERENCES:
patent: 1813152 (1931-07-01), Enghauser
patent: 1892712 (1933-01-01), Hall
patent: 3064707 (1962-11-01), Walts
patent: 3365926 (1968-01-01), Price
patent: 4741081 (1988-05-01), Redman
patent: 5237849 (1993-08-01), Miyazawa
patent: 5909908 (1999-06-01), Furuse
patent: 6044683 (2000-04-01), Shigemoto

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