Multi-pivotable mold carrier clamping apparatus

Details Multi-pivotable mold carrier clamping apparatus Multi-pivotable mold carrier clamping apparatus

1981-05-20

1982-10-19

Flint, Jr., J. Howard

Plastic article or earthenware shaping or treating: apparatus

Press forming apparatus having opposed press members

Pressure applying member mounted for arcuate motion

425 4R, 425443, 4254501, B29C 100, B29C 300, B29C 700

Patent

active

043548199

ABSTRACT:
A pair of mating mold halves are mounted between upper and lower clamp plates 25, 22. The lower clamp plate is driven by a hydraulic unit 17 mounted to a base plate 16, which is rotatably disposed on a tiltable table plate 7. The upper clamp plate is journaled between the arms 26, 28 of a yoke pivotally mounted on the base plate and controlled by hydraulic units 29 coupled between the yoke arms and the upper clamp plate. This compact multi-pivotal arrangement affords a large separation stroke between the two clamp plates without, by reason of the lateral pivoting of the yoke and upper clamp plate, requiring any additional overhead or ceiling clearance space.

REFERENCES:
patent: 3140513 (1964-07-01), Campbell et al.
patent: 3208373 (1965-09-01), Bachelier
patent: 3523328 (1970-08-01), Huff et al.
patent: 3577591 (1971-05-01), Ricards et al.
patent: 3667890 (1972-06-01), Rusmini
patent: 3804568 (1974-04-01), Rees
patent: 3981671 (1976-09-01), Edwards
patent: 4007679 (1977-02-01), Edwards
patent: 4212614 (1980-07-01), Holzinger
patent: 4269587 (1981-05-01), Tranter

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