Apparatus and process for uniformly melt-blowing a fiberforming

Details Apparatus and process for uniformly melt-blowing a fiberforming Apparatus and process for uniformly melt-blowing a fiberforming

1994-12-12

1995-12-19

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

With subsequent uniting of the particles

264 12, 425 7, 425 722, 156167, B29C 4730

Patent

active

054766168

ABSTRACT:
There is disclosed a novel apparatus and process for melt-blowing fiberforming thermoplastic polymers to form fine fibers by extruding through spinning nozzles arranged in four or more rows. The molten fibers are accelerated to near sonic velocity by gas being blown in parallel flow through small circular gas orifices surrounding each nozzle. The air orifices are formed by a family of plates which effect the perfect centering of each nozzle in each of the circular air orifices.

REFERENCES:
patent: 4380570 (1983-04-01), Schwarz
patent: 5122048 (1992-06-01), Deeds
patent: 5165940 (1992-11-01), Windley
patent: 5405559 (1995-04-01), Shambaugh

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