Process for controlling the anisotropy of spunbonded webs

Details Process for controlling the anisotropy of spunbonded webs Process for controlling the anisotropy of spunbonded webs

1994-08-18

1996-06-11

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Using sonic, supersonic, or ultrasonic energy

2642108, 26421115, 264555, D01D 5088, D01D 5098, D01D 700, D01D 1000

Patent

active

055252869

ABSTRACT:
Process for controlling the anisotropy of the mechanical properties of spunbonded webs through variation of the frequency of vibration of impingement panels at web laydown.

REFERENCES:
patent: 3853651 (1974-12-01), Porte
patent: 4163305 (1979-08-01), Semjonow et al.
patent: 4497097 (1985-02-01), Schneider et al.
L. Gerking, "Vliesstruktur und Vlieslegung bei Spinnvliesstoffen", Chemiefasern/Textilindustrie, 37./89. Jahrgang, pp. 698-701 (Aug. 1987).

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