Preform conveyor system provided with means for ejecting...

Details Preform conveyor system provided with means for ejecting... Preform conveyor system provided with means for ejecting...

2005-07-04

2009-11-24

Davis, Robert B (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

Female mold and means to shape parison directly by internal...

Including means to prepare parison

C198S341050, C198S364000, C198S367000, C198S464400, C198S470100

Reexamination Certificate

active

07621738

ABSTRACT:
A preform conveyor system (10), of the type including a number of transport elements (18) which each have at least one grasping device (26) for carrying a preform, movable between an upper release position and a lower grasping position, characterized in that each grasping device (26) is linked in terms of upward and downward axial movement to an associated bracket (46), and in that the bracket (46) includes a stud (74) designed to interact slidingly with a fixed ramp (78), when the grasping device (26) is in an intermediate axial position between its upper release position and its lower grasping position, so as to cause the grasping device (26) to slide axially into its upper release position.

REFERENCES:
patent: 2393188 (1946-01-01), Reynolds
patent: 3428174 (1969-02-01), Kulig
patent: 3934703 (1976-01-01), Vamvakas et al.
patent: 4158624 (1979-06-01), Ford et al.
patent: 4572355 (1986-02-01), Hunter et al.
patent: 6446781 (2002-09-01), De Villele
patent: 0596487 (1994-05-01), None
patent: 2794109 (2000-12-01), None

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