Perforated Functional Textile Structures
First Claim
1. A functional stretch laminate with a substantially puckered appearance comprising:
- (a) first and second outer layers of a fabric or film;
(b) at least one stretch and recovery element and at least one functional element co-extending with the stretch and recovery element; and
(c) an adhesive composition for bonding the stretch and recovery element and the functional element between the outer layers;
wherein the substantially puckered appearance results when the stretch and recovery element is in a relaxed or unstretched state; and
wherein a portion of the at least one functional element extends or loops outwardly from at least one via provided in the functional stretch laminate.
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Accused Products
Abstract
The invention provides a functional stretch laminate composite puckered fabric which is robust, laundry-durable and adaptable for securing about any three dimensional body, and a method for forming such puckered fabric. The functional stretch laminate fabric is provided with at least one functional element which can conduct electricity, conduct light, provide electromagnetic fields or provide shielding from electromagnetic fields. In addition, at least one via is provided in the functional stretch laminate allowing the functional element to extend or loop outwardly from the at least one via when the laminate is in a relaxed or unstretched state. Generally, the functional stretch laminate fabric is sufficiently robust for incorporation into garments and for applications in so-called wearable electronics.
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Citations
32 Claims
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1. A functional stretch laminate with a substantially puckered appearance comprising:
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(a) first and second outer layers of a fabric or film;
(b) at least one stretch and recovery element and at least one functional element co-extending with the stretch and recovery element; and
(c) an adhesive composition for bonding the stretch and recovery element and the functional element between the outer layers;
wherein the substantially puckered appearance results when the stretch and recovery element is in a relaxed or unstretched state; and
wherein a portion of the at least one functional element extends or loops outwardly from at least one via provided in the functional stretch laminate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 32)
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19. A method for preparing a functional stretch laminate with a substantially puckered appearance, comprising:
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providing a length of a first piece of inextensible material having a first surface and a second surface;
extending and fixing at least one length of a stretch and recovery element to at least 50% of its undeformed recoverable extension limit, and extending and fixing at least one length of a functional element coextensively with the stretch and recovery element, and securing the extended lengths of the stretch and recovery element and the functional element to the first surface of said first piece of inextensible material along a substantial portion of the fixed length thereof;
providing a second piece of inextensible material having a first surface and second surface, and securing said second piece of inextensible material either to the stretch and recovery element or to the first surface of said first piece of inextensible material along a substantial portion of the length thereof coextending with said stretch and recovery element to form the functional stretch laminate; and
relaxing the extended length of said stretch and recovery element substantially and allowing the functional stretch laminate to pucker such that a portion of the at least one functional element extends or loops outwardly from at least one via provided in the functional stretch laminate. - View Dependent Claims (20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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Specification