Meltblowing apparatus

Details Meltblowing apparatus Meltblowing apparatus

1989-04-03

1992-02-11

Woo, Jay H.

Plastic article or earthenware shaping or treating: apparatus

Shaping orifice and downstream work contacting gaseous...

Orifice for filaments or fibers

26421114, 425464, B29C 4712

Patent

active

050871862

ABSTRACT:
A meltblowing apparatus includes a die having a triangular nosepiece with a plurality of orifices at the apex of the nosepiece; a pair of air chambers positioned on both sides of the die; converging air passages formed on each side of the nosepiece; a plurality of holes interconnecting each air chamber with its associated air passage; and an air flow deflector in each flow passage.

REFERENCES:
patent: 3379811 (1968-04-01), Hartmann et al.
patent: 3942723 (1976-03-01), Lnagdon
patent: 3959421 (1976-05-01), Weber et al.
patent: 3970417 (1976-07-01), Page
patent: 4043739 (1977-08-01), Appel
patent: 4295809 (1981-10-01), Mikami et al.
patent: 4526733 (1985-07-01), Lau
patent: 4889476 (1989-12-01), Buehning

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