Patent ID: 8465272

Claim:
Coextrusion apparatus comprising, in combination: a manifold having a front face, a rear face, and at least one through passage extending from the rear face to the front face; a feed stem slideably received in the at least one through passage, with the feed stem including a sealing portion of a size and shape corresponding to and for slideable and sealing receipt in the at least one through passage, with the feed stem further including a feed portion extending from the sealing portion and of a size less than the at least one through passage; a central bore extending through the feed stem; a passageway defined radially between the feed portion and the at least one through passage; a nozzle closing the central bore and the passageway, with the nozzle including a first nozzle portion in communication with the central bore but not with the passageway, with the nozzle including a second nozzle portion in communication with the passageway but not with the central bore; and a power source including a rotatable shaft drivingly connected to said nozzle through a series of directly interengaged gears, wherein operation of the power source causes rotation of said nozzle.