Method and apparatus for manufacturing electrostatically spun st

Details Method and apparatus for manufacturing electrostatically spun st Method and apparatus for manufacturing electrostatically spun st

1989-06-19

1991-06-18

Theisen, Mary Lynn

Plastic and nonmetallic article shaping or treating: processes

Formation of solid particulate material directly from molten...

With subsequent uniting of the particles

156167, 264 10, 264 24, 264115, 425 6, 4251748E, B05B 500

Patent

active

050247891

ABSTRACT:
Electrostatic spinning method for producing tubular fibrous structures from fiberizable material wherein the fiberizable material is collected on an electrostatically charged mandrel wherein the fiberizable material takes different paths from the source to the mandrel to produce a structure of smaller diameter fibers randomly oriented, larger diameter fibers and/or bundles of fibers circumferentially oriented and elongated voids circumferentially oriented.

REFERENCES:
patent: 4127706 (1978-11-01), Martin et al.
patent: 4323525 (1982-04-01), Bornat
patent: 4345414 (1982-08-01), Bornat
patent: 4689186 (1987-08-01), Bornat

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