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Robert Spurr, Robert J Duga: Machine system for formation of molecularly oriented plastic bottles. Emhart, A W Breiner, February 20, 1979: US04140464 (54 worldwide citation)

Machine system for continuous formation of molecularly oriented plastic bottles by blowing a heat-conditioned parison comprising a set number (N) of parison forming stations and a set but lesser number (N/X) of blowing stations, N/X being an integral fraction of N. A storage area is constructed and ...


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Robert Spurr: Parison transfer means. Emhart, A W Breiner, February 2, 1982: US04313720 (46 worldwide citation)

In a machine system for continuous formation of molecularly oriented plastic bottles by blowing heat-conditioned parisons comprising a plurality of parison-forming stations, i.e., sixteen (16); a plurality of blowing stations, but fewer in number than the number of parison-forming stations, i.e., si ...


3
Robert Spurr, Robert J Duga: Delay stretch and blow machine system. Emhart, A W Breiner, January 12, 1982: US04310282 (41 worldwide citation)

In a machine system for continuous formation of molecularly oriented plastic bottles by blowing heat-conditioned parisons comprising a plurality of parison-forming stations, i.e., sixteen (16); a plurality of blowing stations, but fewer in number than the number of parison-forming stations, i.e., fo ...


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Robert Spurr, Robert J Duga: Process for formation of molecularly oriented plastic bottles. Emhart, A W Breiner, April 14, 1981: US04261949 (29 worldwide citation)

Machine system for continuous formation of molecularly oriented plastic bottles by blowing a heat-conditioned parison comprising a set number (N) of parison forming stations and a set but lesser number (N/X) of blowing stations, N/X being an integral fraction of N. A storage area is constructed and ...


5
Robert Spurr: Method of injection molding of plastic parts utilizing an accumlator chamber and valve chamber between the plasticizer and mold. Fedders Machine & Tool Co, Davis Bujold & Streck, November 15, 1988: US04784819 (13 worldwide citation)

A method of injection molding of plastic parts in a mold in continuing cycles including the plasticizing of a moldable plastic and injecting the moldable plastic into a mold cavity characterized in that after the mold cavity is charged with plastic, pressure is maintained on the mold through an accu ...


6
Robert Spurr, Francis A Dahms, Francis A Sarkozy: Magnetic drive for conveyor. Emhart, McCormick Paulding & Huber, January 10, 1978: US04067438 (7 worldwide citation)

A magnetic drive for a metallic conveyor belt is provided by a driving wheel having permanent magnets disposed in the outer periphery thereof, the magnets protruding radially outwardly so that they act as cleats for driving the belt in addition to supplying a magnetic shear force for driving the bel ...


7
Robert Spurr: Plastic bottle forming machine. Emhart, A W Breiner, November 11, 1980: US04233021 (7 worldwide citation)

A plastic bottle forming machine and process wherein a parison is formed in a parison mold utilizing a neck ring and a core rod, and after the core rod has been removed and the parison mold opened, the neck ring is rotated, carrying the parison into alignment with a blow mold. The blow mold is close ...


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