Ball bat and method of making the same

Details Ball bat and method of making the same Ball bat and method of making the same

1977-03-14

1978-05-16

Larson, Lowell A.

Metal deforming

Process

Tube making or reshaping

B21D 5116

Patent

active

040891992

ABSTRACT:
A hollow metal ball bat having a barrel of a relatively large diameter, a tapered intermediate portion and a handle portion of a relatively small diameter and method of making the same. The bat is formed from a metal tube, a section of which is initially enlarged in diameter and thereafter is drawn through an ironing die and then swaged down to an outside diameter smaller than the original tube diameter, to form the handle of the bat. An intermediate section of the tube is similarly reformed but to a tapered shape to provide an intermediate portion of the bat. The barrel of the bat may be left unchanged in the form of the original tube. The process can provide a completed bat having a substantially uniform wall thickness closely approximating the original wall thickness of the metal tube from which the bat is formed.

REFERENCES:
patent: 3243986 (1966-04-01), Douthett et al.
patent: 3807213 (1974-04-01), Willis et al.

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