Metal founding – Means to shape metallic material – Pressure shaping means
Reexamination Certificate
2011-04-19
2011-04-19
Kerns, Kevin P (Department: 1735)
Metal founding
Means to shape metallic material
Pressure shaping means
Reexamination Certificate
active
07926545
ABSTRACT:
Leakage of molten metal material from between a cylinder body having a tight-fitting liner and a nozzle member of an injection apparatus is prevented through the interaction of the nozzle member and a coupling ring with the liner.
REFERENCES:
patent: 3672440 (1972-06-01), Miura et al.
patent: 3685572 (1972-08-01), Carver et al.
patent: 5983978 (1999-11-01), Vining et al.
patent: 2004-050248 (2004-02-01), None
patent: WO 90/09251 (1990-08-01), None
Koda Toshiyasu
Miyagawa Mamoru
Takeuchi Yasuhiko
Kerns Kevin P
Nissei Plastic Industrial Co. Ltd.
Weingarten Schurgin, Gagnebin & Lebovici LLP
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