US 7,240,521 B2 · Knitted-in slide fastener

Abstract

A knitted-in slide fastener in which a continuous fastener element row can be mounted stably in its dimensional meaning and firmly while breaking of a needle is prevented, so as to secure a smooth engagement of elements, wherein the continuous fastener element row is fixed and knitted-in by a fixing chain knitting yarn at the same time when a fastener tape is knitted, the fixing chain knitting yarn for the elements is knitted into plural wales of a fastener element attaching portion on one side edge of the fastener tape, warp knitting yarns to be knitted for reinforcement are entangled with a needle loop formed by a constituent yarn of at least one of wales in a foundation structure adjoining the plural wales through their needle loops but not entangled with a needle loop of the fixing chain knitting yarn through their needle loops.

Claims2

Dependent claims

A knitted-in slide fastener in which at the same time when a fastener tape is knitted, a continuous fastener element row is fixed and knitted, by a fixing chain knitting yarn, into a fastener element attaching portion of a side edge in a longitudinal direction of a warp knitted fastener tape knitted with a foundation structure composed of warp knitting yarns,

wherein the knitted-in slide fastener includes other warp knitting yarns, and
said other warp knitting yarns are entangled to a needle loop of a foundation warp knitting yarn, which is formed in at least one of wales of the foundation structure being adjacent to a wale of the fastener element attaching portion formed by the fixing chain knitting yarn, with a needle loop, and
said other warp knitting yarns are turned back through a sinker loop of the fixing chain knitting yarn formed in the wale of the fastener element attaching portion.

Dependencies are inferred from the claim text.

Knitted-in slide fastener

Life of this patent

Knitted-in slide fastener

Life of this patent

Abstract

Claims2