Patent Number: 6,308,765

Title: Method of making tools having a core die and a cavity die

Abstract: The present invention relates to a method of making a molding toolcomprising a core die and a cavity die. The method comprises (a) providinga first metal deposit comprising one of the cavity die or the core die,the first metal deposit having a die face, (b) providing a spray formingpattern on a portion of the die face of the first metal deposit,(c)spraying metal particles onto the first metal deposit and the sprayforming pattern to form a second metal deposit comprising the other of thecavity die or the core die, and (d) removing the spray forming patternfrom the first and second metal deposits.

Inventors: Grinberg; Grigoriy (Sylvania, OH), Collins; David Robert (Southgate, MI), Kinane; Jeffrey Alan (Birmingham, MI), Pergande; Paul Earl (Beverly Hills, MI)

Assignee:

International Classification:

Expiration Date: 10/32013