D - Textiles – Paper – 06 – B
Patent
D - Textiles, Paper
06
B
32/20, 117/60
D06B 1/14 (2006.01)
Patent
CA 1243835
THE ABSTRACT OF THE DISCLOSURE An improved apparatus is provided herein for manufacturing an elastomer-coated bias-fabric. The apparatus includes means for moving a bias-cut fabric in a generally horizontal path of travel, means for immersing the fabric in an elastomeric composition as it moves along the path of travel, so as to impregnate the yarn bundles in the fabric with the elastomeric composition means for transversely stretching the fabric and maintaining the fabric in a stretched condition, such means being positioned downstream of the means for immersing the fabric and being operative as the fabric moves along the path of travel and as the fabric is coated with an elastomeric composition and the elastomeric composition is dried, a first applicator positioned beneath and extending across the path of travel for continuously applying a layer of an elastomeric composition to the bottom surface of the fabric as the fabric moves along the path of travel, a second applicator positioned above and extending across the path of travel for continuously applying a layer of an elastomeric composition to the top surface of the fabric as it moves along the path of travel, a first scraper positioned beneath the path of travel and downstream of the first and second applicators and extending across the path of travel for continuously smoothing the layer of elastomeric composition on the bottom surface of the fabric to the desired thickness and removing - 1 - excess composition, and a first dryer positioned immediately downstream of the first scraper means for drying the coated fabric. The improvement resides in the provision of the following additional elements: a third applicator positioned downstream of the first dryer and extending across the path of travel of the fabric for continuouly applying a layer of a tackified elastomeric composition to only one surface of the fabric in a non-pressurized manner as the fabric moves along said path of travel; a second scraper positioned beneath the path of travel of the fabric and downstream of the third applicator for continuously smoothing the layer of tackified- latex composition on the bottom surface of the coated fabric to the desired thickness and for removing excess composition; and means for collecting the coated fabric. - 2 -
499055
Borden Ladner Gervais Llp
Dayco Products Inc.
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