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Monday, 16 June 2014 03:44

PU outsoles once-forming injection with shoes uppers.

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PU outsoles once-forming injection with shoes uppers.A shoe or boot method. Its steps:

1) access to PU dope and watered by injection or molding of PU outsole prior open a good mold;

2) access to conventional materials uppers, and put the set in advance in the on footwear lasts or paste on footwear lasts;

3) Glue and last access uppers and outsole adhesive on one of its features are: adhesive is curing glue, uppers are able to withstand the curing temperatures Materials and uppers and outsole bond must be placed after the one-time curing autoclave molding can; vulcanization molding temperature of 100 ℃ ~ 135 ℃, the pressure is 0.25 ~ 0.35Mpa, for 60 to 90 minutes.

The invention vulcanized outsole and glue and adhesive uppers made after vulcanization molding disposable solve the instability existing methods obtained footwear with PU outsole quality, easy to use crack unglued, so life is short and other issues. Sovereignty items A PU outsole with molded vulcanized footwear uppers disposable method, which includes the following steps:

1) access to PU dope and watered by injection or molding of PU outsole good mold prior open ; uppers and outsole bonded with glue on the last 3) access;

2) access to conventional materials uppers, and set in the prior put inside the footwear lasts or pasted on the footwear last one of its features are: adhesive is curing glue, uppers are able to withstand the curing temperature of the material, and after bonding uppers and outsole vulcanized into the autoclave molding can be disposable; vulcanization molding temperature 100 ~ 135 ℃, the pressure is 0.25 ~ 0.35Mpa, time 60 to 90 minutes.

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