METHOD FOR MANUFACTURING A PRODUCT PROVIDED WITH A CAVITY, PRODUCT AND SYSTEM FOR THE MANUFACTURE THEREOF
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United States of America Patent
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Issued Date -
Jul 13, 2023
app pub date -
Jun 15, 2021
filing date -
Jun 19, 2020
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Abstract
The product manufactured according to the method is waterproof and provided with a cavity, such as a glove, shoe, or a backpack. Initially, a structure is made in the shape of the product by stitching portions of a laminated material attached together by corresponding seams. The stitched structure is then turned inside out and a thermally-curable silicone compound material, in uncured liquid state, is applied on the seams. The structure with applications is then simultaneously subjected to heating with a curing temperature of the material, and to a vacuum operation with pumping means that suck in air from outside the structure with applications into the structure and extract it outside. The invention also relates to a system for manufacturing according to the method.
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