Continuous production of tubular modular filter elements using n

Details Continuous production of tubular modular filter elements using n Continuous production of tubular modular filter elements using n

1976-01-14

1978-09-05

Klein, David

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

210453, 210494R, 2104971, 428222, 428303, B01D 2910

Patent

active

041121597

ABSTRACT:
A process is provided for the continuous production of modular tubular filter elements using nonwoven webs in cylindrical or sheet form spun from thermoplastic fibers, spinning the fibers continuously from a melt onto a rotating internal tubular core for the filter element, serving as a mandrel, and winding them up on the core to form a wound tube.

REFERENCES:
patent: 2584387 (1952-02-01), Harvuot
patent: 2946449 (1960-07-01), Shaw
patent: 3063888 (1962-11-01), Howard et al.
patent: 3526557 (1970-09-01), Taylor, Jr.
patent: 3801400 (1974-04-01), Vogt et al.
patent: 3825380 (1972-07-01), Harding et al.
patent: 3834547 (1974-09-01), Renjilian

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