Coating apparatus – With heat exchange – drying – or non-coating gas or vapor... – Plural treatments
Patent
1984-03-08
1985-07-23
McIntosh, John P.
Coating apparatus
With heat exchange, drying, or non-coating gas or vapor...
Plural treatments
118421, 118425, 118501, B05C 305, B05C 309
Patent
active
045303045
ABSTRACT:
A magnetic lifting device for lifting a stack of specimen holders out of one tube and lowering them into another tube is disclosed. The device avoids the necessity of manual handling of the stack. In the device there are a number of stack holding tubes, each one open at the top, positioned in a circle about a vertical axis of a rotatable carousel. An indexing system rotates the carousel to selectively place one of the stack holding tubes in a treatment position. The improvement comprises a magnetizable member attached to the top of the stack of sample holders, a transfer tube having a bottom opening positioned to mate on top of the stack holding tube to hold the magnetizable member in a magnetic field, a device to raise and lower the magnetic coil about the transfer tube to raise and lower the magnetic coil about the transfer tube to raise the stack into the transfer tube allowing the carousel to be rotated, and lower the stack into another stack holding tube.
REFERENCES:
patent: 2837055 (1958-06-01), Whitehead
patent: 3302607 (1967-02-01), Kobernick
patent: 3356096 (1967-12-01), Davis et al.
patent: 3479196 (1969-11-01), Heimann
patent: 3809008 (1974-05-01), Takahashi
patent: 3880014 (1975-06-01), Kinney et al.
patent: 4103722 (1978-08-01), Zollinger
Biomatics Inc.
McIntosh John P.
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