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| Number | Title | Issue Date |
| 6923239 | Casting method and apparatus The use of green sand is eliminated by replacing green sand molds with all core sand assemblies that provide, during casting, both the internal and external surfaces of a casting, such as a cylinder head or engine block. In the process, a mold is formed from the sam... | 08/02/2005 |
| 6644381 | Casting method and apparatus The use of green sand is eliminated by replacing green sand molds with all core sand assemblies that provide, during casting, both the internal and external surfaces of a casting, such as a cylinder head or engine block. In the process, a mold is formed f... | 11/11/2003 |
| 6206082 | Molding machine and method to prevent a flask from deforming A molding machine for producing a mold by applying external force of either pressurized air or mechanical compaction or both to molding sand (12) that is held in a mold space is disclosed. The mold space is defined by a master plate (9), which has a patte... | 03/27/2001 |
| 5578666 | Flame retardant composition A flame retardant composition comprising an effective synergistic flame retardant combination of a melamine phosphate and tris(neopentyl) nitrilotris(methylphosphonate) suitable for use as an additive to a normally flammable polymer composition, especiall... | 11/26/1996 |
| 5048593 | Apparatus for weighting and lateral support of box-less sand mold parts The apparatus consists of a weight iron (1) with a plane bottom face designed to rest on the top side (3) of the upper mold of a two part sand mold set (2,6), and a clamping plate (4, 5) located at either side of the closed mold parts (2, 6). The bottom f... | 09/17/1991 |
| 4522248 | Segmented mold weight and combination with mold jacket A mold weight for use with foundry sand molds comprises a frame assemblage including a pair of spaced frame members connected by rods. A plurality of segmental weight elements are disposed between the frame members and carried by the rods. The weight elem... | 06/11/1985 |
| 4422495 | Mold handling system A mold handling system and method wherein cars are moved along a closed vertical loop. A first elevator positions an empty car adjacent a mold-supply conveyor, whereupon a mold is pushed onto the car, after which the car is transferred into a pre-pour mol... | 12/27/1983 |
| 4299269 | Handling system for foundry sand molds An intermittently moving gondola-type conveyor for handling pallet-supported foundry sand molds includes stations along the curvilinear path of said conveyor where (1) each freshly made mold is invested with a weighted jacket; (2) each jacketed mold is moved t... | 11/10/1981 |
| 4291745 | Foundry mold jacket A foundry mold jacket to be positioned around a sand mold during pouring of the molten metal. The jacket has a generally rectangular body portion having a central opening to receive the sand mold. The jacket has a depth of approximately six inches and str... | 09/29/1981 |
| 4063586 | Mold forming apparatus with mold flask stabilizing means A mold forming machine for the production of casting molds wherein molding sand is compressed within mold flasks is provided with stabilizing means for counteracting the effects of the compressive forces generated within the mold flask during compression ... | 12/20/1977 |
