William A Priest

US Patent:

6440346, Aug 27, 2002

Filed:

Sep 3, 1999

Appl. No.:

09/389799

Inventors:

Martin P. Wai - Carlsbad CA
David L. Felker - Bonsall CA
William Priest - Carlsbad CA

Assignee:

Callaway Golf Company - Carlsbad CA

International Classification:

B29C 4514

US Classification:

264254, 264255, 264267, 264273, 264274, 264275, 2642791

Abstract:

A geometric-shaped core ( ) for a golf ball ( ) has a plurality of outwardly extending projections ( ) formed on a spherical central portion thereof. A layer ( ) of a relatively less resilient material is applied in the interstitial space between the projections ( ) on the surface of the core ( ), and a cover ( ) is applied over the core ( ) and interstitial layer ( ). The geometric-shaped core ( ) is manufactured by first providing flexible, resilient, honeycombed inserts ( ) to be used in a conventional compression mold ( ). The inserts ( ) are placed into the upper and lower mold cavities ( ), the core material ( ) is added, and the geometric-shaped golf ball core ( ) is compression molded.

US Patent:

59848073, Nov 16, 1999

Filed:

Aug 20, 1998

Appl. No.:

9/137406

Inventors:

Martin P. Wai - Carlsbad CA
David L. Felker - Bonsall CA
William Priest - Carlsbad CA

Assignee:

Callaway Golf Company - Carlsbad CA

International Classification:

A63B 3706

US Classification:

473376

Abstract:

A geometric-shaped core for a golf ball has a plurality of outwardly extending projections formed on a spherical central portion thereof. A layer of a relatively less resilient material is applied in the interstitial space between the projections on the surface of the core, and a cover is applied over the core and interstitial layer. The geometric-shaped core is manufactured by first providing flexible, resilient, honeycombed inserts to be used in a conventional compression mold. The inserts are placed into the upper and lower mold cavities, the core material is added, and the geometric-shaped golf ball core is compression molded.

US Patent:

59514124, Sep 14, 1999

Filed:

Oct 23, 1997

Appl. No.:

8/956644

Inventors:

Dave Rose - Cardiff CA
William A. Priest - Oceanside CA

Assignee:

Taylor Made Golf Company Co., Inc. - Carlsbad CA

International Classification:

A63B 5304

US Classification:

473340

Abstract:

The invention is directed to a golf club head and, more specifically, to a putter. The putter head includes a first body element made of a high density first material, constituting at least the heel portion, the toe portion and a major portion of the surface of the sole, and a second body element intimately linked to the first element, the second element being made of a second metallic material of lower density, the second element covering the remainder of the head including at least the central portion of the striking face thereof.

US Patent:

57971765, Aug 25, 1998

Filed:

Jan 25, 1996

Appl. No.:

8/591298

Inventors:

Dave Rose - Cardiff CA
William A. Priest - Oceanside CA

Assignee:

Taylor Made Golf Company, Inc. - Carlsbad CA

International Classification:

B23P 1700
B22D 1906
B24B 1300
A63B 5308

US Classification:

295275

Abstract:

The invention is directed to a golf club head and, more specifically, to a putter. In addition, the invention is directed to a method of manufacturing a golf club head. The putter head includes a first body element made of a high density first material, constituting at least the heel portion, the toe portion and a major portion of the surface of the sole, and a second body element intimately linked to the first element, the second element being made of a second metallic material of lower density, the second element covering the remainder of the head including at least the central portion of the striking face thereof. The method includes the shaping of a first element by forging of a rough shaped piece in a metallic material, the arrangement of the first element in a mold creating a free space between the surfaces of the first element and the walls of the cast; the casting of the second element in intimate connection with the first element by injection or pouring of the second material into the volume of the free space; and, after the solidification in place of the second head, the removal of the head from the mold.