Sail membrane
First Claim
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1. A sail membrane preferably made of a woven fabric of synthetic fibers, characterized in that said membrane has a microroughness in the form of parallelly extending grooves arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said membrane surface.
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Abstract
Sail membrane preferably made of a woven fabric of synthetic fibers, with said membrane having a microroughness in the form of parallelly extending grooves arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said membrane surface.
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Citations
19 Claims
- 1. A sail membrane preferably made of a woven fabric of synthetic fibers, characterized in that said membrane has a microroughness in the form of parallelly extending grooves arranged so as to achieve a density of 5 to 25 grooves/mm deposited on or integrated into said membrane surface.
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11. A method for manufacturing of a sail membrane comprising the steps:
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Providing a gray cloth consisting of synthetic fibers, if thought expedient, dyeing and/or finishing the gray cloth and calendering the gray cloth at a pressure of at least 50 N/mm, preferably 100 to 600 N/mm, by means of a corrugated roll to emboss parallelly extending grooves into the woven fabric structure on at least one side. - View Dependent Claims (12, 13, 14, 15)
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17. A method for manufacturing a sail membrane comprising the steps:
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Providing sheets, calendering the sheets on at least one side at a pressure of at least 50 N/mm, preferably 100 to 600 N/mm, by means of a corrugated roll to emboss parallelly extending grooves into the woven fabric structure, Placing yarns on one of the calendered sheets, and Laminating the composite comprising sheets and yarns arranged between the sheets. - View Dependent Claims (18, 19)
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Specification