Patent ID: 7717692
Filing Date: 2010-05-18
Classification: B29C,B29L

Abstract:
1. A multiple extrusion head for blow molding extrusion machines comprises: a plurality of first extrusion heads fixedly arranged side by side in a first row to form a first plane; a plurality of second extrusion heads fixedly arranged side by side in a second row to form a second plane extending parallel to the first plane; a first distributing device with first distributing channels, the first distributing channels are arranged in a plane corresponding to the first plane and each first distributing channel is connected to a first extrusion head and all first distributing channels have a common first mass entrance; a second distributing device with second distributing channels, the second distributing channels are arranged in a plane corresponding to the second plane and each second distributing channel is connected to a second extrusion head and all second distributing channels have a common second mass entrance; the first distributing device is separated in a region of the first plane and includes a first pair of plates abutting one another in the first plane; the second distributing device is separated in the region of the second plane and includes a second pair of plates abutting one another in the second plane; said first and second pair of plates, respectively, forming said first and second distributing channels; a third distributing device with third distributing channels, the third distributing channels are arranged in a third plane extending at a right angle relative to the first plane and to the second plane, two third distributing channels start from a third mass entrance, one of the two third distributing channels is connected to the first mass entrance and the further one of the two third distributing channels is connected to the second mass entrance, and the third distributing device is separated in the third plane.