Plastic article or earthenware shaping or treating: apparatus – With transportation device for relocating molding apparatus...
Patent
1982-04-14
1985-12-10
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
With transportation device for relocating molding apparatus...
425350, 425361, B28B 508
Patent
active
045576815
ABSTRACT:
A rotary table is provided defining at least three peripherally spaced open-ended vertically extending sleeve-type cavities spaced equally radially outwardly from and about the axis of rotation of the table and a soil receiving chamber is stationarily supported and opens downwardly in a location with which the upper portions of the cavities are successively closely registrable from beneath upon angular displacement of the table. The chamber is disposed at a first stationary station and second and third stationary stations are also defined about the axis in position for registry with second and third cavities of the table when the first cavity thereof is registered with the soil receiving chamber. The second station has a hydraulic ram supported therefrom for downward displacement into and upward retraction from a rotary table cavity registered therewith from beneath and the third station has a hydraulical ram mounted downwardly extendible and upwardly retractable ejection head supported therefrom for downward displacement into and upward retraction from the rotary table cavity registered therewith. The rotary table is supported from a frame including a spring extended and hydraulically retracted latch pin for coaction with peripheral latch keeper notches formed in the rotary table equal in number to the table cavities and spaced relative to the latter whereby seating of the latch pin in successive notches will key successive cavities of the table in registry with the soil receiving chamber, the ram and the ejection head.
REFERENCES:
patent: 266532 (1882-10-01), Ross
patent: 435171 (1890-08-01), Davis et al.
patent: 686656 (1901-11-01), Hoban
patent: 836547 (1906-11-01), Walsh
patent: 1335071 (1920-03-01), Moussette
patent: 2560980 (1957-07-01), Pettersen
patent: 3225409 (1965-12-01), Huffaker
patent: 3956516 (1976-05-01), Holt et al.
Elkins Jack L.
Wright John W.
Housel James C.
Jacobson Harvey B.
Woo Jay H.
Wright John W.
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