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US 10,779,610 B2Granted
Process for manufacturing and bonding a shoe rubber outsole
AssigneeHenkel AG & Co. KGaA
InventorsSung-Hwan Huh, Myongchul Ryu
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Abstract
The present invention relates to a process for manufacturing a shoe rubber outsole using a special heat and pressure stable water-based polyurethane dispersion adhesive as well as a process for manufacturing a shoe using the outsole manufactured as described herein and an PUD-based adhesive composition for the described processes.
Claims8
A process for manufacturing a shoe rubber outsole, comprising the steps of:
- (1) treating an uncured rubber material by UV irradiation or plasma;
- (2) applying an adhesive composition to the treated rubber material of the step (1) and drying the rubber material of the step (1), wherein said adhesive composition comprises a heat and pressure stable water-based polyurethane dispersion;
- and
- (3) curing the rubber material obtained in the step (2).
1 more element
Dependencies are inferred from the claim text.