Patent ID: 7704064

Claim:
An extrusion head for an extruder comprising: a first head part having a first joint; a second head part having a second joint, wherein the first head part and the second head part are pivotable relative to each other using the respective first joint and second joint; a first sealing face; a second sealing face, wherein, when the extrusion head is in an operative position, the first head part rests against the first sealing face and the second head part rests against the second sealing face, a connecting element; and a drive element connected to the first head part and the second head part using the connecting element, wherein the first head part and the second head part are movable using the drive element from a fixed operative position into an open rest position, and wherein the connecting element includes a first tie rod and a second tie rod pivotably movable relative to each other about a common pivot point.