Process and apparatus for collecting continuous blow spun fibers
AssigneeConoco Inc.
InventorsJohn A. Rodgers, Daniel F. Rossillon, Roger A. Ross
Life of this patent
Estimating the term…
Abstract
The present invention provides a process and apparatus for blow spinning continuous fibers. The novel process utilizes a tensioning device to preclude slack in the fiber. The present invention also provides novel fiber products which utilize continuous fibers prepared by a blow spinning process.
Claims21
An apparatus for blow spinning continuous fibers comprising:
- a blow spinning die having at least one capillary for forming a fiber;
- means for directing an attenuating gas on said fiber as it exits said capillary;
- means for maintaining tension on said fiber following attenuation of said fiber.
A process for preparing continuous straight blow spun fibers from a mesophase pitch, said process comprising:
- passing said mesophase pitch through capillaries located within a blow spinning die to form said mesophase pitch into fibers;
- attenuating said fibers by contacting said fibers with an attenuating gas;
- following attenuation, maintaining sufficient tension on said fibers to preclude the formation of slack.
A process for preparing continuous straight blow spun fibers comprising heating a spinnable substance to a temperature sufficient to allow said substance to flow followed by forming continuous fibers by passing said substance into a spinning die and through capillaries located within said die and attenuating said fibers as they exit the capillary by contacting said fibers with at least one stream of gas wherein the improvement comprises:
- following attenuation of said fibers, maintaining tension on said fibers by means of a tensioning device.
A traversed continuous fiber tow comprising continuous fibers prepared by a blow spinning process.
A warp sheet comprising continuous fibers prepared by a blow spinning process.
An unidirectional filament roving fabric prepared from continuous fibers prepared by a blow spinning process.
Dependencies are inferred from the claim text.