Eddie Lee Cartwright

age ~86

from Southfield, MI

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Phone and address:: 29180 Murray Crescent Dr, Southfield, MI 48076
(248)3522073

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Method Of Making Spray-Formed Inserts
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US Patent:

59834951, Nov 16, 1999
Filed:

Dec 29, 1997
Appl. No.:

8/999247
Inventors:

Oludele Olusegun Popoola - Grand Blanc MI
Larry Van Reatherford - Clarkston MI
Robert Corbly McCune - Southfield MI
Armando Mateo Joaquin - Rochester Hills MI
Eddie Lee Cartwright - Southfield MI
Assignee:

Ford Global Technologies, Inc. - Dearborn MI
International Classification:

B23P 1500
US Classification:

29890122
Abstract:

Method of making seat inserts by thermally spraying bulk material. The method includes the steps of: (i) preparing a mandrel having an outside dimension not greater than the desired inside dimension of the desired insert, the mandrel having a part to provide for separation of the sprayed bulk material from the mandrel, (ii) thermal spraying separate particles of one or more types of steel or nickel alloys in the presence of a controlled oxidizing medium to form a bulk composite material on the mandrel with a density of at least 99% and, (iii) after cooling the bulk material, removing such material from the mandrel and slicing it into discrete seat shapes for implanting into the final product.

Method Of Making Adherently Sprayed Valve Seats
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US Patent:

60175915, Jan 25, 2000
Filed:

Nov 14, 1996
Appl. No.:

8/749317
Inventors:

Oludele Olusegun Popoola - Grand Blanc MI
Robert Corbly McCune - Southfield MI
Larry Van Reatherford - Clarkston MI
Eddie Lee Cartwright - Southfield MI
Assignee:

Ford Global Technologies, Inc. - Dearborn MI
International Classification:

C23C 402
C23C 416
US Classification:

427449
Abstract:

A method of defining valve seats on valve seat supports of an internal combustion engine head. The method includes steps of; (a) roughening the exposed surface of the valve seat support to a finish of 10-50. mu. m RA; (b) thermally spraying a stream of composite particles onto the roughened support surface, using gaseous propellants with sufficient heat and force to produce a dense adherent composite coating of metal and metal oxide particles and to a thickness no greater than 1-1. 5 mm; and (c) finish machining if necessary, the sprayed coating to define the valve seat surface. The composite coated product consists of a metal/metal oxide mixture that possesses one or more of the following characteristics: a surface porosity of 2-5%, a density of 6. 5-8 grams/cc, a Vickers hardness of about 280 kg/mm. sup. 2 at 450. degree. C. , high wear resistance and high corrosion resistance.