Method and apparatus for dispensing welding flux

Details Method and apparatus for dispensing welding flux Method and apparatus for dispensing welding flux

1979-04-30

1980-12-30

Rowland, James L.

Conveyors: fluid current

Intake to fluid current conveyor

Combined intake and discharge

92 49, 92 50, 406126, B65G 5336, B65G 5340

Patent

active

042420075

ABSTRACT:
A method and apparatus for dispensing welding flux involving a flux supply and dispensing system comprising a tank assembly that includes an upper flux receiving chamber, a lower flux dispensing chamber, and a flux transfer chamber intermediate the upper and lower chambers. Flux is supplied to the flux receiving chamber either by a vacuum pick up arrangement or a suitable gravity or mechanical feed arrangement, and screened. The floors of the upper chamber and transfer chamber are each ported and equipped with separate plug valves arranged to move vertically to open and close with a plug type fit the respective ports for sequentially transferring a welding flux charge first from the upper chamber to the transfer chamber, and then from the transfer chamber to the lower dispensing chamber, under the control of a sealed pneumatic actuation system that keeps the flux from fouling the moving parts involved. Dispensing of the flux from the lower chamber is by way of either gravity feed or fluidized feed through a hose to the point of use.

REFERENCES:
patent: 2074362 (1937-03-01), Bowen
patent: 2723057 (1955-11-01), Golden
patent: 2835786 (1958-05-01), Launder et al.
patent: 3644003 (1972-02-01), Von Funk
patent: 3926788 (1975-12-01), Stephens

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