Claims
- 1. A fibrous mass having an axially extending core and a relatively dense skin surrounding said core, said skin accounting for from about 5% to about 50% of the cross sectional area of said mass said core comprising fibers oriented primarily transversely of said mass and having a generally parabolic shape.
- 2. A fibrous mass according to claim 1 wherein said mass is generally cylindrical.
- 3. A fibrous mass according to claim 1 wherein the fibers are polyester.
- 4. An elongated fibrous mass having an axially extending core and a skin surrounding said core, the fiber portion in said skin being primarily longitudinally oriented and the fiber portions in said core being primarily transversely oriented with respect to the axis of said mass and having a generally parabolic shape.
- 5. A fibrous mass according to claim 4 wherein said mass is generally cylindrical.
- 6. An elongated fibrous mass according to claim 4 wherein the fibers are polyester.
- 7. A fibrous mass according to claim 4 wherein the fibers are polyethylene terephthalate and have an average diameter of from about 1 to about 15 microns.
Parent Case Info
This is a division of application Ser. No. 17,744 filed Mar. 5, 1979 now U.S. Pat. No. 4,267,002.
US Referenced Citations (9)
Divisions (1)
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Number |
Date |
Country |
Parent |
17744 |
Mar 1979 |
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