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US 7,452,283 B2Granted
Putterhead with dual milled face pattern
AssigneeCallaway Golf Company
InventorsRonald K. Hettinger, Wayne H. Byrne, Lionel Poincenot
Life of this patent
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Abstract
A putter-head (20) with a main body (22) having a striking face (24), a weight body (25) and an isolation layer 27 is disclosed herein. The striking face (24) has a dual milled pattern thereon. Preferably, a central area (40) has a first milled pattern and a periphery region (42) has a second milled pattern. The main body (22) is composed of a metal material, preferably a stainless steel material.
Claims16
A putter-type golf club head comprising:
- a main body composed of a metal material, the main body having a striking face for impacting a golf ball, the striking face having a first milled pattern and a second milled pattern, the first milled pattern located in a central area of the striking face and the second milled pattern encompassing the central area, the second milled pattern different from the first milled pattern;
- an isolation layer having a first surface and a second surface disposed on the main body opposite of the front face;
- and
- a weight body disposed on the first surface of the isolation layer;
- wherein the first milled pattern comprises a plurality of milled parallel horizontal lines and the second milled pattern comprises a plurality of milled parallel vertical lines, and wherein each of the plurality of milled parallel horizontal lines of the first milled pattern has a depth greater than the depth of each of the plurality of milled parallel vertical lines of the second milled pattern.
2 more elements
A putter-type golf club head comprising:
- a main body composed of a metal material, the main body having a striking face for impacting a golf ball, the striking face having a first milled pattern and a second milled pattern, the first milled pattern located in a central area of the striking face and the second milled pattern encompassing the central area, the second milled pattern different from the first milled pattern;
- an isolation layer having a first surface and a second surface disposed on the main body opposite of the front face;
- and
- a weight body disposed on the first surface of the isolation layer;
- wherein the first milled pattern comprises a plurality of milled parallel horizontal lines and the second milled pattern comprises a plurality of milled curved lines and wherein each of the plurality of milled parallel horizontal lines of the first milled pattern has a depth ranging from 0.0005 inch to 0.010 inch.
2 more elements
A puffer-type golf club head comprising:
- a main body composed of a metal material, the main body having a striking face for impacting a golf ball, the striking face having a first milled pattern and a second milled pattern, the first milled pattern located in a central area of the striking face and the second milled pattern encompassing the central area, the second milled pattern different from the first milled pattern;
- an isolation layer having a first surface and a second surface disposed on the main body opposite of the front face;
- and
- a weight body disposed on the first surface of the isolation layer;
- wherein the first milled pattern has an area ranging from 0.25 square inch to 1.0 square inch, and the striking face has a total surface area ranging from 2.5 square inches to 5.0 square inches.
2 more elements
A putter-type golf club head comprising:
- a main body composed of a metal material, the body having a sole section, a crown section, and a striking face for impacting a golf ball, the striking face having a central area with a first milled pattern and a periphery area with a second milled pattern, the second milled pattern different from the first milled pattern, the striking face having a total surface area ranging from 2.5 square inches to 5.0 square inches, the central area ranging from 20% to 60% of the total surface area of the striking face;
- an isolation layer having a first surface and a second surface disposed on the main body, the isolation layer composed of a thermoplastic polyurethane, wherein the isolation layer has a thickness of 0.020 inch to 0.100 inch;
- a weight body composed of a tungsten alloy, the weight body disposed on the first surface of the isolation layer.
A putter-type golf club head comprising:
- a main body composed of a metal material, the body having a sole section, a crown section and a striking face for impacting a golf ball, the striking face having a central area with a first milled pattern and a periphery area with a second milled pattern, the second milled pattern different from the first milled pattern, the first milled pattern comprising a first plurality of milled lines having a depth ranging from 0.0005 inch to 0.010 inch, the second milled pattern comprising a second plurality of milled lines having a depth ranging from 0.0005 inch to 0.010 inch, the periphery area encompassing the central area, the striking face having a total surface area ranging from 2.5 square inches to 5.0 square inches, the central area ranging from 20% to 60% of the total surface area of the striking face;
- an isolation layer having a first surface and a second surface disposed on the main body opposite of the front face;
- and
- a weight body disposed on the first surface of the isolation layer.
1 more element
Dependencies are inferred from the claim text.