United States Patent 3013321
Inventors:
Mcelroy, Roy H.
Publication Date:
12/19/1961
Assignee:
Internat, Clay Machinery Del OF.
Other Classes:
425/168, 200/11A, 425/422, 425/167, 425/258, 425/149
International Classes:
B28B3/02; B30B11/02
US Patent References:
| 1957421 | Molding press | | | |
| 2256798 | Control apparatus for molding presses | | | |
| 2341012 | Concrete block machine | | | |
| 2353492 | Vibration producing mechanism | | | |
| 2382458 | Apparatus and method for molding concrete blocks | | | |
| 2512092 | Machine for molding concrete blocks | | | |
| 2586210 | Pallet feeder mechanism for concrete block machines | | | |
| 2674008 | Molding mechanism | | | |
| 2712168 | Molding press | | | |