Metal founding – With safety control means
Patent
1976-09-13
1978-03-07
Flint, Jr., J. Howard
Metal founding
With safety control means
74609, 164289, 425151, B22D 1300, B29C 504, F16P 102
Patent
active
040774600
ABSTRACT:
The following specification describes a safety shield assembly for centrifugal casting apparatus of the type used by hobbyists. The assembly comprises a ring wall encircling the path of rotation of the casting arm carrying the metal charge and mold. A top wall is provided having a central opening through which access is provided for heating the metal and releasing the arm carrying the charge and mold for rotation. The top wall is provided with a fixed wall portion and a lid hingedly secured along a diameter line of the ring wall and foldable into coincident relationship with the fixed top wall portion.
An annular bottom wall adapted to be secured to a table top is also provided for the ring wall and a cup shaped housing adapted to be recessed in the table top is fixed to the bottom wall. The housing has a back wall for supporting the centrifugal casting apparatus with arms of the casting apparatus located just above the table top to reduce the height required of the ring wall.
The housing has a smaller diameter than the opening in the top wall so that a number of shields may be stacked with the housing of one shield received within a ring wall of another shield. The relatively short diameter housings supporting the casting apparatus and received in the table top provides greater rigidity and stability.
REFERENCES:
patent: 2192043 (1940-02-01), Hooper
patent: 2445364 (1948-07-01), Rankin
patent: 2509670 (1950-05-01), Capita
patent: 2618031 (1952-11-01), Mazer
patent: 2638653 (1953-05-01), Adams
patent: 2665008 (1954-01-01), Call
patent: 2749585 (1956-06-01), Prosen
patent: 2917797 (1959-12-01), Pougnand
Brown John S.
Flint, Jr. J. Howard
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