Press with easily exchangeable proof plates

Details Press with easily exchangeable proof plates Press with easily exchangeable proof plates

1979-09-13

1984-12-25

Silbaugh, Jan

Plastic article or earthenware shaping or treating: apparatus

With apparatus assembly or dismantling means or with idle part

For press shaping surface

425344, 425352, 425415, 425423, B28B 302, B28B 700

Patent

active

044901038

ABSTRACT:
In a press operable for movements of proof plate exchangeably mounted on an end of a press die into and out of a mold, and wherein the proof plate normally does not exceed a position wherein its topmost portion is at most flush with a topmost portion of the mold during the movements, the improvement includes a drive device independent of the movements for moving the proof plate beyond the topmost portion of the mold, so that the proof plate projects through the mold, and is thereby freely accessible for the purpose of being replaced.

REFERENCES:
patent: 532186 (1895-01-01), Rolfe et al.
patent: 630397 (1899-08-01), Niedringhaus
patent: 770360 (1904-09-01), Fisher
patent: 1232297 (1917-07-01), Hambuechen
patent: 1254183 (1918-01-01), Williams
patent: 1321160 (1919-11-01), Stommel
patent: 1322960 (1919-11-01), Schumacher
patent: 1466730 (1923-09-01), Sanford
patent: 1880874 (1932-10-01), Derry
patent: 1952951 (1934-03-01), Stehley
patent: 2358765 (1944-09-01), Stadlin
patent: 2557014 (1951-06-01), Sklarsky
patent: 3067457 (1962-12-01), Dennis et al.
patent: 4035118 (1977-07-01), MacMillan

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