Method of manufacturing hollow bodies and blow molding machine f

Details Method of manufacturing hollow bodies and blow molding machine f Method of manufacturing hollow bodies and blow molding machine f

1998-11-10

2000-08-08

Davis, Robert

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Including application of internal fluid pressure to hollow...

425532, 425534, 425538, 425541, B29C 4904, B29C 4932

Patent

active

060997907

ABSTRACT:
A method of manufacturing hollow bodies including inserting into spaced mold halves of a blow mold of a blow molding machine plastic hose-shaped blanks at an extrusion station of the blow molding machine and closing the blow mold, displacing the closed blow mold from the extrusion station to a calibration station of the blow molding machine, inserting thereat blow mandrels into respective cavities of the closed blow mold, lifting, after expiration of predetermined blow time, the blow mandrels, together with the blown hollow bodies to an intermediate position and removing the blown hollow bodies from the blow mandrels lifting the blow mandrels to their initial position thereof, and displacing the blow mold from the calibration station to the extrusion station, with the displacing of the blow mold between the extrusion station and the calibration station being effected by displacing the blow mold at a right angle to a connection line of arranged side-by-side cavities of the blow mold.

REFERENCES:
patent: 3003187 (1961-10-01), Schaich
patent: 3849049 (1974-11-01), Brieschke et al.
patent: 4459095 (1984-07-01), Rohr et al.
patent: 4552526 (1985-11-01), Hafele
patent: 5478229 (1995-12-01), Kato et al.
patent: 5501591 (1996-03-01), Effenberger
patent: 5562934 (1996-10-01), Langos et al.
patent: 5576034 (1996-11-01), Kiefer et al.

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