Continuous oven

Details Continuous oven Continuous oven

1989-08-15

1990-12-18

Walberg, Teresa J.

Electric heating

Heating devices

Combined with container, enclosure, or support for material...

1986265, F27B 906, F27D 1100

Patent

active

049788361

ABSTRACT:
Continuous ovens are known including heat radiators, especially electrical infrared radiators for the thermal treatment of thin, plate-like components, especially printed circuit boards fitted with electronic components, including a conveying device which has two spaced-apart, parallel, synchronously driven continuous drive bands each having support elements for the plate-like components. In order to make a continuous oven including a conveying device wherein the printed circuit boards to be soldered are carried through the oven on a defined plane in their entire structural length such that the structural changes involved do not strongly affect the thermal conditions in the oven, an auxiliary drive band is disposed between the two drive bands and parallel thereto. If necessary, the auxiliary drive band is equipped with projections directed vertically to the band plane of the band which is created by the drive bands and the length of which does not surpass the support surface for the plate-like components formed by the support elements.

REFERENCES:
patent: 1534042 (1925-04-01), Tugendhat
patent: 2442407 (1948-06-01), Gibbons
patent: 3476840 (1969-11-01), Glassford
patent: 3744617 (1973-07-01), Herbener
patent: 4667809 (1987-05-01), Raybuck
patent: 4718540 (1988-01-01), Greenwell
patent: 4844231 (1989-07-01), Usui

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