Process and apparatus for producing a spun-fiber web from synthe

Details Process and apparatus for producing a spun-fiber web from synthe Process and apparatus for producing a spun-fiber web from synthe

1992-01-30

1993-05-18

Heitbrink, Jill L.

Plastic and nonmetallic article shaping or treating: processes

Direct application of fluid pressure differential to...

Production of continuous or running length

2642107, 2642108, 425 66, 425 722, D01D 700

Patent

active

052119033

ABSTRACT:
A process and an apparatus for producing a spun-fiber web from filaments of a synthetic polymer which includes a device for taking off the filaments and a web-depositing device with suction unit wherein the filaments are taken off mechanically by means of a take-off roll with a unit for the defined raising of the frictional force between the roll surface and the filaments, the filaments being exposed, in particular, to a vacuum and/or to pressurized air.

REFERENCES:
patent: 3844097 (1974-10-01), Bobkowicz et al.

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