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Ralph E Disa, 756 Mcintosh Dr, Wilbraham, MA 01095

Known as:
Ralph J Disa Rose Disa
Related to:
Isabella M Azzolino 22 Deneen M Azzolino 58

Ralph Disa Phones & Addresses

6 Mcintosh Dr, Wilbraham, MA 01095    413-5963232    413-2225796   

Naples, FL   

Walpole, MA   

Boston, MA   

Norwood, MA   

6 Mcintosh Dr, Wilbraham, MA 01095    413-2225796   

Work

Position: Construction and Extraction Occupations

Education

Degree: Associate degree or higher
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Mentions for Ralph E Disa

Publications & IP owners

Us Patents

Cambered Core Positioning For Injection Molding

US Patent:
4283835, Aug 18, 1981
Filed:
Apr 2, 1980
Appl. No.:
6/136600
Inventors:
Frank T. Obrochta - East Hartford CT
Ralph E. Disa - Hampden MA
Assignee:
United Technologies Corporation - Hartford CT
International Classification:
B22C 702
US Classification:
295276
Abstract:
Disclosed is a system for precisely locating a cambered ceramic core within the cavity of an injection molding die, such as is used to form patterns for lost wax method casting of gas turbine airfoils. A combination of at least two independent sets of locators are used: one set of at least three is fixed and contacts the periphery of the core while the other set of at least two is movable and engages the centerline of the core. The two sets independently limit the various degrees of core freedom and maintain its position during injection molding. The concave side of the core is preferably contacted by the fixed locators since this biases deviations into the convex side of the part from which excess deviant material is more readily moved.

Possible Relatives

Ralph H Johnson  Ralph E Johnston  Ralph J White  Ralph T Jones  Ralph B Stangl  Ralph W Stanley  Ralph E Stansbury  Ralph Staples  Ralph H Stapleton  Ralph Starling 

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