Static molds – Container-type molding device – Plural article forming mold – or molds with community feature
Patent
1974-03-22
1976-02-17
Spar, Robert J.
Static molds
Container-type molding device
Plural article forming mold, or molds with community feature
214731, 214750, 214DIG3, 249139, 425 62, E04G 1302
Patent
active
039386856
ABSTRACT:
Improvements in three-piece concrete pipe molds and means and devices for handling and transporting such molds both when filled and empty; improvements in mold handling apparatus, or devices attachable both to the lift mechanism of a vehicle and a three-piece pipe mold and useable for such purposes; a versatile adaptor which will handle and transport, in its various configurations, concrete pipe molds of the most varied sizes and configurations when mounted on the lift mechanism of a vehicle.
REFERENCES:
patent: 2660327 (1953-11-01), Blatz
patent: 2667283 (1954-01-01), MacDonald et al.
patent: 2693289 (1954-11-01), Ulinski
patent: 2756888 (1956-07-01), Avery
patent: 3387729 (1968-06-01), Hindin et al.
patent: 3635613 (1972-01-01), Marsh et al.
patent: 3767075 (1973-10-01), Leverenz
patent: 3785607 (1974-01-01), Worker et al.
Concrete Pipe Machinery Company
Paperner Leslie J.
Scofield Thomas M.
Spar Robert J.
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