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

1977-04-25

1978-09-26

Hoag, Willard E.

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156172, 156226, 264149, 264150, 264159, 264173, 264176F, 264248, 264339, B29C 2728, B29D 900, B29D 7304

Patent

active

041167384

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: 3354244 (1967-11-01), Davidson
patent: 3477892 (1969-11-01), Plymale
patent: 3490975 (1970-01-01), Lightwood et al.
patent: 3498873 (1970-03-01), Schrenk
patent: 3615998 (1971-10-01), Kolb
patent: 3758359 (1973-09-01), Azuma
patent: 3801400 (1974-04-01), Vogt et al.
patent: 3929957 (1975-12-01), Holden et al.

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