Stretch-blow molding machine with mechanically controlled...

Details Stretch-blow molding machine with mechanically controlled... Stretch-blow molding machine with mechanically controlled...

2008-07-15

2008-07-15

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

C425S540000

Reexamination Certificate

active

10582777

ABSTRACT:
A rotary machine for producing recipients made of a thermoplastic material by drawing and blowing performs by a molding device which is provided with an openable mold and a movable drawing rod, a device for supporting and driving the drawing rod, which is embodied in such a way that it is mechanical and includes a power take-off device for generating, on the basis of a monodirectional rotary rotation, two rotary motions of given angular amplitudes of a rocker in two predetermined angular places of a merry-go-round path and a device for converting the two rotary movements of the rocker into two opposite linear alternately descending and ascending displacements of a drive unit connected to the drawing rod.

REFERENCES:
patent: 3977822 (1976-08-01), Reilly et al.
patent: 3999927 (1976-12-01), Kellogg
patent: 4036573 (1977-07-01), Kauffman et al.
patent: 4141680 (1979-02-01), Kauffman et al.
patent: 6722868 (2004-04-01), Evrard
patent: 2004/0009254 (2004-01-01), Galloni

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