Kenneth R Fitzgerald

Address:

14348 Fm 968 W LOT 13, Longview, TX 75602

VIN:

1G1AL18F287237806

Make:

CHEVROLET

Model:

COBALT

Year:

2008

US Patent:

58717870, Feb 16, 1999

Filed:

May 29, 1997

Appl. No.:

8/864786

Inventors:

Kenneth Ray Fitzgerald - Hallsville TX
James M. Fitzgerald - Marshall TX

Assignee:

Magnum Machine and Manufacturing Company - Marshall TX

International Classification:

B29C 3304
B29C 3338

US Classification:

425552

Abstract:

A liquid cooled wax mold includes a generally rectangular two-part heat transfer member formed by separable metal plates. One of the plates includes elongated parallel vertically-extending heat transfer bars or fins defining parallel liquid coolant flow passages. The coolant flow passages interconnect spaced apart liquid coolant distribution and collection passages which are, respectively, connected to coolant inlet and discharge passages. A dam is interposed between the coolant collection passage and the discharge passage to provide for purging air or coolant vapor from the coolant flow circuit. Elongated circular cross section seal strips are disposed in grooves formed in one of the plate members to provide a fluid-tight assembly of the heat transfer member. Mold endwall and bottomwall members are secured to the heat transfer member by socket head machine screw fasteners. Locating shoes on the endwall members align the mold with an adjacent mold in a molding apparatus wherein the molds are stacked side-by-side to form open-top mold cavities.