Process and device for producing hollow bodies

Details Process and device for producing hollow bodies Process and device for producing hollow bodies

2004-01-29

2010-11-23

Huson, Monica A (Department: 1791)

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Producing multilayer work or article

C264S523000, C264S540000, C264S209300

Reexamination Certificate

active

07837926

ABSTRACT:
A device and method are disclosed for the production of hollow bodies, especially plastic bottles, wherein a section of a plastic flexible hose is placed in a cavity of a blow mould by an extruder head according to a predefined clocked pulse. The plastic flexible hose is inflated inside the blow mould by a blow mandrel by overpressure according to the blow mould cavity. The manufactured inflated hollow body is subsequently removed from the mould. The plastic hose can be continually held on opposite sides of the blow mould arrangement during the entire extrusion and blow cycle.

REFERENCES:
patent: 2288454 (1942-06-01), Hobson
patent: 3163690 (1964-12-01), Scott
patent: 4806092 (1989-02-01), Linss et al.
patent: 5330342 (1994-07-01), Linss et al.
patent: 278810 (1962-06-01), None
patent: 02/081180 (2002-10-01), None

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