Heating – Work chamber having heating means – Having means by which work is progressed or moved mechanically
Patent
1978-03-17
1979-08-14
Camby, John J.
Heating
Work chamber having heating means
Having means by which work is progressed or moved mechanically
198472, 198604, 198695, F27B 914
Patent
active
041643917
ABSTRACT:
A conveyor apparatus for carrying workpieces on flat trays has two parallel chains with tray supports connected at equal intervals between the two chains. Each tray support has a clamping device for clamping and releasing flat silicone rubber covered trays against itself. Cams are located between the chains to operate the clamping device to release the tray (for travel through a separate path) at one point in travel and later (when the tray returns from its separate path) to clamp it again. The conveyor is shown as combined with up-and-down elevator means in an oven to give a boustrophedontic path to a plurality of workpieces being heated on trays in the oven: the trays are released and clamped at the entrance to and exit from the oven to allow movement of the trays by the elevators through up and down paths at the release and clamping stations.
REFERENCES:
patent: 2897772 (1959-08-01), Hunter
patent: 4113082 (1978-09-01), Timin
Howard Walter D.
McDonald David I.
Camby John J.
Cincinnati Milacron Inc.
Worth Daniel P.
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