Weft inserted warp knit fabric for tire cap ply
AssigneeMilliken & Company
InventorsGerard Ternon, Dany Michiels
Life of this patent
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Abstract
A pneumatic tire has a tread, a carcass with belt plies disposed below the tread, and a cap ply layer between the tread and the belt plies of the carcass. The cap ply is a weft inserted warp knit fabric tape comprising an in-lay warp yarn set, a weft inserted yarn set, and a stitching yarn set, wherein the stitching yarn set forms a repeating stitch pattern on each warp yarn comprising a sequence of at least 2 stitches around the warp yarn from one stitching yarn and at least 2 stitches around the warp yarn from the adjacent stitching yarn. The tape is wound in a flat helically wound around the belt plies and covered with a tread of the tire.
Claims23
A pneumatic tire comprising:
- a tread;
- a carcass having at least one belt ply disposed below the tread;
- and,
- a cap ply located between the carcass and the tread, wherein the cap ply comprises at least one layer of a weft inserted warp knit fabric tape comprising an in-lay warp yarn set, a weft inserted yarn set, and a stitching yarn set, wherein the stitching yarn set forms a repeating stitch pattern on each warp yarn comprising a sequence of at least 2 stitches around the warp yarn from one stitching yarn and at least 2 stitches around the warp yarn from the adjacent stitching yarn, disposed around the circumference of the carcass in the area of the belt ply.
Dependencies are inferred from the claim text.