Charging method for meltblown webs

Details Charging method for meltblown webs Charging method for meltblown webs

1992-07-15

1993-10-19

Tentoni, Leo B.

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

Agglomeration or accretion

4251748E, B29C 7100

Patent

active

052542971

ABSTRACT:
Electrically charged meltblown webs are formed by convergingly discharging electrically charged hot air onto a row of extruded polymer fibers to contact the fibers thereby (i) attenuating and stretching the fibers and (ii) imparting an electric charge to the fibers. The fibers may be continuous or discontinuous.

REFERENCES:
patent: 4215682 (1980-08-01), Kubik et al.
patent: 4486365 (1984-12-01), Kliemann et al.
patent: 4592815 (1986-06-01), Nakao
patent: 4904174 (1990-02-01), Moosmayer et al.
patent: 5122048 (1992-06-01), Deeds

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