Putter having plastic insert

Details Putter having plastic insert Putter having plastic insert

1999-07-30

2001-04-17

Passaniti, Sebastiano (Department: 3711)

Games using tangible projectile

Golf

Club or club support

C473S342000, C473S409000, C273SDIG001

Reexamination Certificate

active

06217460

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to golf putters. More specifically, this invention relates to a method for modifying a golf putter to insert a plastic putting face. The invention also relates to a putter having such a face. The invention relates to a plastic insert per se for a golf putter.
BACKGROUND OF THE INVENTION
The patent art is replete with golf putters of various shapes and attributes. The large majority of putters have flat metal faces. Occasionally hard metal inserts have been built into the face to provide for longer wear and a durable smooth flat surface which meets the ball.
In our experience we have detected a tendency of the ball to skid or wobble as it leaves the smooth metal putter face. Both the skid and wobble exacerbate the errant tendency of the ball leaving the putter when it has not been struck true. As a result, metal-faced putters are more apt to stray from the proper line between putter and cup.
An object of the present invention is to produce a putter having a plastic insert which reduces skid and wobble.
It is a further object to provide a putter having improved “feel”, that is, a cushioned feel whether the golfer is using a balata ball or a surlyn-covered golf ball. By the same token, it is an object to prolong the contact between ball and putter face for more accurate control of the ball path.
SUMMARY OF THE INVENTION
The present invention is, of course, described in the claims. Briefly, however, the invention is a process for modifying the face of a putter including the steps of milling out a recess in the face, inserting into the rear surface of the recess a carrier strip coated on opposites with adhesive, and providing a plastic insert plate with the same dimensions as the recess. The rear face of the insert is formed with closely spaced parallel V-shaped grooves running in one direction and another group of closely spaced parallel V-shaped grooves running in an intersecting direction, the grooves defining a plurality of pyramids having flat tops. The invention may also be described as a putter having such an insert and as a plastic insert per se, described above.


REFERENCES:
patent: 1094599 (1914-04-01), Samson
patent: 3754764 (1973-08-01), Manheck
patent: 4872684 (1989-10-01), Dippel
patent: 5033746 (1991-07-01), Jones
patent: 5275409 (1994-01-01), Currie
patent: 5458332 (1995-10-01), Fisher
patent: 5688190 (1997-11-01), Rowland
patent: 6007434 (1999-12-01), Baker

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