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Klaus Vogel

Julian Choinski

Hartwig M&uuml;ller

Michael Linke

Andreas Klages

Marko Moritz

The device is used for blow molding containers of a thermoplastic material and has at least one blow station with at least one blow mold. The blow mold is comprised of at least two blow mold segments held by supports. At least one of the blow mold segments is arranged such that it can slide relative to its support. The support is equipped with at least two guide elements for the movable blow mold segment. The guide element has a hard core that is connected to the blow mold segment. In addition, the core is embedded, at least in part, in an elastomer that is carried by the support. A circumferential seal made of an elastomer is provided in order to make available an area of pressure action in order to support pneumatic positioning of the blow mold segment; this seal has a seal lip that makes area contact with the support when pressure is applied.

Device for blow moulding containers

The process is used for tempering preforms made of a thermoplastic material; the preforms are to be blow molded. The preforms are provided with a temperature profile along a circumference. The temperature profile is generated by differentially heating strip-shaped regions, which extend in the direction of a longitudinal axis of the preform. A step-by-step tempering for the purpose of temporally sequential thermal conditioning of different regions of the preform is carried out with movement phases and rest phases. A carrier device is rotated by the interactions of a gear and a matching gear for initiating rotational movements. The preform is moved, motionless with regard to the rotational direction, through the tempering zone at least along a portion of the transport path before the start of the engagement of the gear with the matching gear.

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Barsbuttel, Germany

Klaus Vogel