Plastic article or earthenware shaping or treating: apparatus – Means for molding powdered metal
Patent
1997-06-19
1998-12-01
Nguyen, Khanh P.
Plastic article or earthenware shaping or treating: apparatus
Means for molding powdered metal
425193, 425411, 425414, 425422, 425444, 425468, B22F 508
Patent
active
058434844
ABSTRACT:
There is described a form tool for compression forming a molded body having a circular cylindrical through hole with at least one helical groove from a sintering powder, which form tool has a mantle (1) with an inserted mold core (2), which forms at least one flight (3) protruding against the mantle (1) for forming the groove of the molded body, and a ring-shaped plunger (6) engaging in the mold cavity (5) between the mantle (1) and the mold core (2). To create advantageous constructional conditions, it is proposed that the axial length of the flight (3) of the mold core (2) should correspond to the axial length of the molded body, and that the mold core (2) should have an axial web (4) continuing the flight (3), which axial web engages in an adapted axial groove of the ring-shaped plunger (6).
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patent: 5631029 (1997-05-01), Bewlay et al.
Derflinger Karl
Dickinger Johann
Miba Sintermetall Aktien-gesellschaft
Nguyen Khanh P.
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