Tube end deforming tool

Details Tube end deforming tool Tube end deforming tool

1983-03-28

1985-04-23

Larson, Lowell A.

Metal deforming

By relatively receding work-engaging tool-faces

Embodying three or more tools

291573C, 72 75, B21D 4102, B21D 5302

Patent

active

045121788

ABSTRACT:
A tube deforming tool (10) for forming a plurality of dimples (32) in the end of a tube (34) of a predetermined size. The tool has a tapered mandrel (12) extending through a housing (14) containing a plurality of radially movable balls (16). A plurality of longitudinal grooves (20) in the mandrel is the surface that the balls coact with. At the end of each groove is an enlarged recess (40) into which the balls are released at the end of the dimpling or deforming procedure, to permit easy removal of the tool from the deformed tube.

REFERENCES:
patent: 465957 (1891-12-01), Willmott
patent: 1279130 (1918-09-01), Leonard
patent: 2190386 (1940-02-01), Scholtes
patent: 2393283 (1946-01-01), Boyles et al.
patent: 2657733 (1953-11-01), Champion
patent: 3176492 (1965-04-01), Francus
patent: 3339388 (1967-09-01), Cann
patent: 3640115 (1972-02-01), Duncan et al.

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