Roller injection air lock

Details Roller injection air lock Roller injection air lock

1991-03-19

1992-10-20

Stormer, Russell D.

Conveyors: fluid current

With diverse power-driven conveyor

Rotary

406127, B65G 5340, B65G 5352, B65G 5366

Patent

active

051564998

ABSTRACT:
An air lock for injecting a fibrous or granular material, such as insulation, into an airstream. The air lock has two counter-rotating, generally cylindrical rollers in facing contact with each other along their edges, made of a resilient material such as a closed cell foam. The rollers are also in facing contact with the outside of a tube or cylinder through which the airstream flows. The insulation is positioned on top of the rollers, and the rollers feed the insulation between them and into the airstream. The contact between the rollers and between the rollers and the injection tube create the air lock between the airstream and the atmosphere. The invention can also be used in a vacuum machine, particularly suited for vacuuming and collecting fibrous or granular materials.

REFERENCES:
patent: 1065924 (1913-07-01), Dixon
patent: 3402684 (1968-09-01), Gradischer et al.
patent: 4453866 (1984-06-01), Ryan

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