Workpiece heater

Details Workpiece heater Workpiece heater

1984-11-26

1986-03-25

Camby, John J.

Heating

Heat generator with an associated work support or heat...

Means moving or guiding work relative to heat emitter during...

219385, 219388, 432249, F24J 300, F27D 2300, F27D 1100, F27B 906

Patent

active

045780323

ABSTRACT:
A workpiece heater suitable for use in heating electronic micro circuitry while minimizing work displacement as an incident to expansion and contraction of the structural components of the heater employs a rotatable work table and a heater disposed to heat the table by radiation. The table is mounted on a shaft supported against axial movement by a tapered bearing. The bearing is pre-loaded by a spring arranged to urge the shaft against the bearing. That structural arrangement is combined with the use of elongated elements and reflecting shields to minimize heat transfer to the mechanism by which the worktable shaft is rotated.

REFERENCES:
patent: 2344035 (1944-03-01), Etten
patent: 2525407 (1950-10-01), Frei
patent: 2573266 (1951-10-01), Melcher et al.
patent: 3277813 (1966-10-01), Luscher
patent: 4470805 (1984-09-01), Gollan

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