Plastic article or earthenware shaping or treating: apparatus – Core and positioning means therefor
Patent
1990-11-30
1992-01-07
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Core and positioning means therefor
249175, 425 78, 425414, 425457, 425DIG10, B29C 3926
Patent
active
050785877
ABSTRACT:
A forming tool, used in the production of an anode before the firing, for forming peg holes with angularly grooved sidewalls, having a cap plate to which at least one retaining pivot, with one end attached and having a stop, which is fixed to the cap plate and limits the rotation of the forming body in one direction and an elastic means which on the one side is connected so as to be fixed to the cap plate and don the other side is connected to the forming body to preload the latter against the stop and ensure that its projections always form the grooves in the wall of the peg hole in the same angular position relative to the finished anode. As a result cleaning of the peg hole by an automatic cleaning machine is made possible.
REFERENCES:
patent: 716343 (1902-12-01), Locke
patent: 1379328 (1921-05-01), Baird
patent: 4268003 (1981-05-01), Liautaud
patent: 4842508 (1989-06-01), Boskovic
Alusuisse Italia S.p.A.
Hoag Willard E.
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