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US 4,357,290 AGranted
Splittable conjugate yarn
AssigneeMonsanto Company
InventorJing-peir Yu
Life of this patent
Estimating the term…
Abstract
A multi-filament splittable conjugate yarn wherein the filaments have the same denier and are splittable into different numbers of sub-filaments.
Claims2
A spinning process, comprising:
- a. generating a plurality of molten streams from a spinneret, said streams being formed from axially extending continuous segments of dissimilar polymers arranged alternately in side-by-side temporarily adhering relationship;
- b. quenching said streams to form filaments;
- and
- c. withdrawing said filaments from said streams, said streams being selected such that first and second of said filaments have substantially the same denier and are splittable into different numbers of subfilaments.
1 more element
Dependencies are inferred from the claim text.