US 7,591,745 B2
	Strong, lightweight article containing a fine-grained metallic layer
Gino Palumbo, Toronto (Canada); Iain Brooks, Toronto (Canada); Konstantinos Panagiotopoulos, Toronto (Canada); Klaus Tomantschger, Mississauga (Canada); Jonathan McCrea, Toronto (Canada); Dave Limoges, Etobicoke (Canada); and Uwe Erb, Toronto (Canada)
Assigned to Integran Technologies, Inc., Toronto, Ontario (Canada)
Filed on Dec. 14, 2007, as Appl. No. 12/582.
Application 12/000582 is a continuation of application No. 11/013456, filed on Dec. 17, 2004, granted, now 7,387,578.
Prior Publication US 2008/0119307 A1, May 22, 2008
This patent is subject to a terminal disclaimer.
Int. Cl. A63B 59/06 (2006.01)

U.S. Cl. 473—566  [473/567]

3 Claims

1. A baseball bat having an electrodeposited metal, metal alloy or metal matrix composite coating layer on a polymer substrate, said coating layer having a thickness between 30 μm and 5 cm, said coating layer having a microstructure with an average grain size between 0.004 μm and 10 μm, said coating layer exhibiting a modulus of resilience in the range of 0.25 MPa and 25 MPa and the weight of the coating layer amounting to 5% to 95% of the weight of the bat, said baseball bat containing a layer of conductive material between the polymer substrate and the coating layer where the conductive material is nickel.