Multi-piece golf balls and methods of manufacture
AssigneeLisco, Inc.
InventorsRobert P. Molitor, Terence Melvin
Life of this patent
Estimating the term…
Abstract
An improved golf ball having a coefficient of restitution of at least 0.700 and comprising a hollow, spherical shell of a deformable polymeric material which is filled with either a liquid or a unitary, non-cellular core of a material which, at the time of introduction into the shell, is a liquid. The spherical shell may be solid or cellular. The core material may be added through a hole in the shell as a liquid, a gel or a melt. In the preferred embodiment, the spherical shell is formed from two half shells which are bonded to each other. The mating edges of the half shells may have surface configurations which maximize their contact area.
Claims5
A method of making a golf ball comprising the steps of:
- (1) Forming a hollow shell in the configuration of a sphere from a deformable polymeric material;
- and
- (2) Introducing into said shell a liquid material which forms a homogeneous core filling said shell, the structural characteristics of said shell and core being such that said golf ball has a high coefficient of restitution and conforms to the initial velocity requirements of the U.S.G.A., and said golf ball may be driven long distances in regulation play.
Dependencies are inferred from the claim text.