Plastic article or earthenware shaping or treating: apparatus – With separate apparatus cleaning means
Reexamination Certificate
2005-01-25
2005-01-25
Heitbrink, Tim (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
With separate apparatus cleaning means
C264S039000
Reexamination Certificate
active
06846170
ABSTRACT:
An injection molding machine includes a plasticizing unit and a closing unit which has at least one column which passes through and is moveable relative to a supporting element. A jacket at least partially surrounds the column at formation of an annular space and bears directly against the supporting element, wherein the jacket has at least one connection piece for providing a communication between the annular space and a suction unit.
REFERENCES:
patent: 3728057 (1973-04-01), Grundmann et al.
patent: 5269673 (1993-12-01), Kempf et al.
patent: 6106265 (2000-08-01), Von Holdt
patent: 6315544 (2001-11-01), Burger et al.
Wobbe et al.: “Verpackungen im Reinraum Spritzglessen/Packaging Injection Moulding under Clean-Room Conditions”, in: Kunststoffe, Carl Hanser Verlag, München, Germany, May 1, 1996.
H. Eckhardt: “Clean-Room Injection Moulding”, in: PE Plast Europe, Carl Hanser Verlag, München, Germany, Mar. 1, 1992.
D. Meyer: “Spritzgiessen im Reinraum”, in: Kunststoffe, Carl Hanser Verlag, München, Germany, Nov. 1, 1992.
Gessner Klaus
Hörl Thomas
Pipelka Friedirch
Schmidt Bengt
Feiereisen Henry M.
Heitbrink Tim
Krauss-Maffei Kunststofftechnik GmbH
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