Plastic article or earthenware shaping or treating: apparatus – Control means responsive to or actuated by means sensing or... – Means responsive to abnormal condition completely stop...
Patent
1982-10-04
1984-01-31
Hoag, Willard E.
Plastic article or earthenware shaping or treating: apparatus
Control means responsive to or actuated by means sensing or...
Means responsive to abnormal condition completely stop...
425167, B29C 302, B29C 306, A21C 908
Patent
active
044287216
ABSTRACT:
In a machine for molding or forming dough pieces, particularly kaisersemmels oder starsemmels, a molding tool carrier is mounted for upward and downward movement in a frame. The molding tool carrier carries at least one molding tool, particularly a pestle for forming the upper surface of the dough piece resting in a hollow of a molding dish. In order to avoid that due to dough adhering to the molding or forming tools dough pieces are placed one upon the other in the molding dish so that by the excessive amount of dough expelled by the molding tool damages in the machine occur, a sensor means is provided for supervising the neighborhood of those zones of the molding dish in which the dough is expelled during normal operation of the machine. If the sensor means senses excessive amount of dough, the drive means for the upward and downward movement of the molding or forming tools is disconnected, preferably the drive motor is shut off from the electric power supply. Preferably the sensor means is constituted by a rubber hose fixed to the bottom surface of a stripper plate surrounding the pestle. The hose contains water under pressure and is connected to a pressure switch which creates an electric shut off signal for the drive means whenever the sensor hose is compressed by excessive amount of dough.
REFERENCES:
patent: 3078515 (1963-02-01), Wintriss
patent: 3188704 (1965-06-01), Sukava
patent: 3303537 (1967-02-01), Mislan
patent: 3452399 (1969-07-01), Blumer
patent: 3564657 (1971-02-01), Aoki
patent: 3834848 (1974-09-01), Farrell
patent: 3918866 (1975-11-01), Eichenberger et al.
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