Method of operating a fleece-making apparatus

Details Method of operating a fleece-making apparatus Method of operating a fleece-making apparatus

1987-11-25

1989-07-25

Silbaugh, Jan H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

264 403, 2642108, 156167, 425 66, D01D 512

Patent

active

048511790

ABSTRACT:
The fleece-making apparatus includes a spinning nozzle system, a cooling shaft, a stretching aperture, a diffuser shaft, a fleece delivery conveyor and a device for feeding process air and for drawing outflowing air through the fleece delivery conveyor. The process air is divided into two partial flows as it is fed into the cooling shaft on each side of the cooling shaft. The upper partial flow serves for intensive cooling, the lower partial flow for additional cooling. Both partial flows are united in the cooling shaft. The cross section of the united process air flow is constricted by air control flaps positioned wedge like on opposite sides at the entrance of the stretching aperture. The process air flow issuing from the stretching aperture is influenced by pivoting wings movable about a horizontal axis at the entrance to the diffuser shaft on both sides and also by an adjustable damper which is located either above and/or below the fleece delivery conveyor.

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