Plastic article or earthenware shaping or treating: apparatus – Building forms or construction engineering type mold with...
Patent
1986-06-03
1988-11-22
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Building forms or construction engineering type mold with...
425426, 425427, B28B 100
Patent
active
047862424
ABSTRACT:
A casting apparatus for casting a hollow slab out of concrete includes a feeder member having an axis extending between first and second ends thereof and a forming member supported on the apparatus adjacent the second end of the feeder member. A central longitudinal axis of the feeder member is moved at a first end thereof along a path of movement of a set shape and a point of the axis of the forming member is maintained in a stationary position relative to the axis of the feeder member.
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Bushey C. Scott
Oy Partek Ab
Woo Jay H.
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