Patent ID: 6852267
Filing Date: 2005-02-08
Classification: B29B,B29C,B29K,B29L

Abstract:
1. Process for producing containers ( 23 ) by separately producing a preform ( 1 ) including a neck ( 4 ) having final dimensions and a tubular body ( 2 ) having smaller dimensions than the intended final form, heating the preform ( 1 ), fitting the preform ( 1 ) to a drawing head ( 9 b ) in the neck region, introducing the preform ( 1 ) together with the drawing head ( 9 b ) into the interior of a multi-part closable blow mould ( 16 a ; 16 b ), axial drawing of the preform ( 1 ) by means of the drawing head ( 9 b ) and expanding the preform ( 1 ) by supplying blowing air into the interior, hardening the container closely fitting against the wall of the blow mould ( 16 a ; 16 b ), opening the blow mould and removing the container, characterised in that for producing a tubular container ( 23 ) the preform ( 1 ) comprises a closure at the one end and an open filling opening ( 3 ) with an externally situated, projecting flange ( 6 ) at the other end and that the preform ( 1 ) is connected to the drawing head ( 9 b ) in a rotatable manner relative to one another, the supply of blowing air taking place by means of a blow nozzle ( 17 ) arranged in a sealed manner at the open end of the filling opening ( 3 ) and that the incompletely inflated or, respectively, stretched lower end portion ( 19 ) of the produced container ( 23 ) is separated off or cut to length.