Presses – Plural presses – Stacked boxes or plates
Patent
1997-05-21
1998-10-27
Gerrity, Stephen F.
Presses
Plural presses
Stacked boxes or plates
100215, 100218, 414222, 414277, 414280, 425338, B30B 1530
Patent
active
058265015
ABSTRACT:
Apparatus for pressing wet-formed fiber material boards in a multi-stage press is disclosed, including a vertically movable loading elevator with several stages for receiving transport plates for the boards, and a pusher for moving the transport plates from the loading elevator into the press. A hydraulic system is provided for driving both the loading elevator and the pusher.
REFERENCES:
patent: 3398844 (1968-08-01), Carlsson et al.
patent: 3664524 (1972-05-01), Yamauchi
patent: 4042125 (1977-08-01), Falkinger et al.
patent: 4348144 (1982-09-01), Nelson
patent: 4405277 (1983-09-01), Burkner et al.
patent: 4478673 (1984-10-01), Plocher
patent: 4527938 (1985-07-01), Leavitt, Jr.
patent: 5044913 (1991-09-01), Ostman
Gerrity Stephen F.
Sunds Defibrator Industries AB
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