Plastic article or earthenware shaping or treating: apparatus – Means for molding powdered metal
Reexamination Certificate
2007-01-02
2007-01-02
Gupta, Yogendra N. (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Means for molding powdered metal
C425S195000, C425S216000, C425S345000, C425S355000
Reexamination Certificate
active
10487779
ABSTRACT:
The present invention provides a rotary press that allows mass production of a molded product. The rotary press has upper and lower punches that may be split in to a plurality of split punches, a means for moving the split punches, and a means for manipulating the plurality of split punches. In addition, the rotary press also has a plurality of molding material supply-charging units for supplying and charging molding materials into the space formed by the tip portions of the split punches, a precompression molding unit and a main compression molding unit for compression-molding the molding materials supplied and charged the entire molded product, respectively. Optionally, a unit to remove residual molding material remaining on the lower punches and/or the temporary molded product may be provided.
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Crapenhoft Michael L.
Gupta Yogendra N.
Hiroe & Associates
Nguyen Thu Khanh T.
Sanwa Kagaku Kenkyusho Co. Ltd.
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