US 6,981,924 B2 | ||
High density alloy for improved mass properties of an article | ||
Uday V. Deshmukh, Oceanside, Calif. (US) | ||
Assigned to Callaway Golf Company, Carlsbad, Calif. (US) | ||
Filed on Nov. 30, 2004, as Appl. No. 10/904,814. | ||
Application 10/904814 is a division of application No. 10/604518, filed on Jul. 28, 2003. | ||
Prior Publication US 2005/0075195 A1, Apr. 07, 2005 | ||
This patent is subject to a terminal disclaimer. | ||
Int. Cl. A63B 53/04 (2006.01) |
U.S. Cl. 473—342 | 3 Claims |
1. A method of manufacturing an article, the method comprising:
investment casting the article from a composition comprising 35 to 70 weight percent nickel, 20–35 weight percent tungsten
and 10–30 weight percent chromium;
wherein the investment cast article has a density ranging from 9.0 g/cm3 to 10.5 g/cm3, and a Rockwell Hardness ranging from 80 to 92;
wherein the article is a portion of a golf club head comprises a sole wall, a toe wall extending upward from the sole wall
at a first end of the sole wall, a hosel extending upward from the sole wall at a second end of the sole wall, and a heel
wall extending upward from the sole wall.
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