FORM TOOL CLOSING METHOD AND DEVICE FOR BLOW-MOULDING CONTAINERS

WIPO Patent Application WO2006111127

A3

The invention relates to a method and a device for blow-moulding containers (2) from preforms (1) which have been previously heated in a heating section (24) and consist of a thermoplastic material. After being heated, said preforms are transferred to a blowing device (3) in which they are deformed in order to form containers under the action of a blowing pressure inside blow moulds. The blow moulds (4) respectively consist of at least two blow-moulding segments. The preforms are transported together with the blow moulds at least along part of a path of a rotating blow wheel (25). The blow-moulding segments are braced in relation to each other during at least part of the blow-moulding process. At least one of the blow-moulding segments is pivoted about a rotational axis in order to perform opening and closing movements. Once a blowing station (3) holding the blow-moulding segments is closed, at least one of the blow-moulding segments is then supported, at a distance from the rotational axis and independently from the other blow-moulding segment, in relation to a counter-bearing (58) connected to the blow wheel. The supported blow-moulding segment is at least partially braced in relation to both the counter-bearing and the other blow-moulding segment.

BAUMGARTE ROLF (DE)
LITZENBERG MICHAEL (DE)
LINKE MICHAEL (DE)

PCT/DE2006/000591

December 21, 2006

March 30, 2006

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SIG TECHNOLOGY LTD (CH)
BAUMGARTE ROLF (DE)
LITZENBERG MICHAEL (DE)
LINKE MICHAEL (DE)

B29C49/56; B29C49/36

WO1999062692A1	1999-12-09
WO2003106141A1	2003-12-24

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