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US 11,479,885 B2Granted
Apparatus for texturizing strand material
AssigneeOwens Corning Intellectual Capital, LLC
InventorLuc J. Brandt
Life of this patent
Estimating the term…
Abstract
A device for texturizing strand material into a wool-type product includes outer and inner nozzle sections. The outer and inner nozzle sections interface and define a passage through which the strand material travels. At least a portion of the passage has a non-uniform diameter that increases in a direction moving away from an input end of the device.
Claims29
A device for texturizing a strand material, the device comprising:
- a nozzle body;
- and
- a passage extending through the nozzle body,
- wherein the passage extends from a first end of the nozzle body to a second end of the nozzle body,
- wherein the passage is sized to allow a strand material to pass therethrough,
- wherein the strand material enters the nozzle body at the first end,
- wherein the strand material exits the nozzle body at the second end, and
- wherein a pressurized gas impinges on the strand material within the passage,
- wherein the passage has a first portion with a length L2 and a non-uniform diameter D8 over the length L2, the diameter D8 increasing in a direction moving toward the second end of the nozzle body,
- wherein the diameter D8 increases from one of 7 mm to 11 mm and 8 mm to 10 mm over the length L2,
- wherein the length L2 is between 10 mm and 12 mm,
- wherein the nozzle body includes an outer nozzle section and an inner nozzle section,
- wherein the outer nozzle section includes a sloped intermediate portion,
- wherein the inner nozzle section includes a sloped needle portion,
- wherein at least a portion of the inner nozzle section is positioned within the outer nozzle section such that a conical gap G2 exists between an inner surface of the sloped intermediate portion and an outer surface of the sloped needle portion,
- wherein the pressurized gas flows from a chamber within the nozzle body through the gap G2 before impinging on the strand material within the passage, and
- wherein a horizontal distance of the gap G2 is between 1.5 mm and 1.9 mm.
14 more elements
Dependencies are inferred from the claim text.