Making method of three-layer seamless composite waterproof socks
A production method and technology for waterproof socks, applied in socks, pantyhose, clothing and other directions, can solve the problems of unreliability, weak and incomplete production process of three-layer waterproof socks, etc., and achieve high protection, waterproof and moisture-permeable effects. Remarkable and strong effect
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[0052] 1b: Turn the one-piece structure inside out, the reverse side of the weft stitch is outside, and the front side is inside;
[0053] 1c: Sew up the opening of the front head (6) of the second sock part;
[0054] 1d: Put the first sock part (1) and the second sock part (2) sequentially into the foot mold from the opening of the front head (5) of the first sock part, and the shape of the foot mold is matching or matching the size and size of the first sock portion and the second sock portion;
[0055] 1e: placing the seamless sock-shaped waterproof and moisture-permeable PU film sleeve (3) outside the second sock part (2);
[0056] 1f: turn the first sock part (1) backwards, and put it on the outside of the PU film sleeve (3) and the second sock part (2);
[0057] 1g: Sew up the opening of the front head (5) of the first sock part to form a three-layered sock with the interlayer containing the PU film sleeve (3);
[0058] 1h: Heat and set the socks with the three-layer ...
Embodiment 1
[0072] Before or at the same time as making the three-layer waterproof socks of this embodiment, the PU film cover 3 can be made in advance, and this step (step 1e-0) includes the following sequential steps:
[0073] 1e-01: Double-sided point-like glue coating on the PU film on the compound machine;
[0074] 1e-02: Two layers of dot-coated PU films are pressure-heat-sealed under a sock-shaped mold. The heat source used is high-frequency electromagnetic waves (high-frequency waves), and the pressure of the mold on the PU film is 0.1~8kg / cm 2 , the characteristic polar covalent bonds of the glue-coated molecules and polymers of the PU film heat up to the welding temperature under the action of high-frequency waves, resulting in bonding and fixing;
[0075] 1e-03: Below the heat-sealing temperature of the PU film, the laminated double-layer film is cut at the centerline of the sock-shaped rubber coating to obtain a sock-shaped seamless PU film sleeve 3 with an opening at the ankl...
Embodiment 2
[0094] Make the three-layer waterproof socks of the present invention according to the following sequential steps:
[0095] 0a: Knit the head 5 of the first sock part of the sock body at the beginning of the single-needle bed hosiery machine. The veil of the sock is made of cotton and nylon fibers, and the bottom yarn is made of low-melting point yarn (melting point 80~130°C);
[0096] 0b: knitting the sock face 8 and sock sole 10 of the first sock part 1 by unidirectional rotation of the cylinder;
[0097] 0c: The reciprocating rotation of the needle cylinder first gradually reduces the knitting needles participating in knitting, and then gradually increases the knitting needles participating in knitting, so as to knit the heel 12 of the first sock;
[0098] 0d: The needle cylinder rotates in one direction to knit the first sock part and the second sock part sock tube 4, and the middle part of the sock tube is lined with elastic or spandex (the opening of the sock is formed h...
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