Polyurethane coated fabrics for use in air-holding vehicle restraint systems
First Claim
Patent Images
1. A coated textile substrate for an air-holding vehicle restraint system, which comprises:
- a) a textile substrate having opposed surfaces;
b) a first coating layer of an adhesive polyurethane on a surface of said textile substrate;
c) a second coating layer of an elastomeric polyurethane on said first coating layer; and
d) a third coating layer of elastomeric polyurethane on said second coating layer.
1 Assignment
0 Petitions
Accused Products
Abstract
The invention is directed to applying a plurality of polyurethane coating layers to a knit, woven or non-woven fabric substrate, following by sealing of two of such coated substrates together by radio frequency sealing, hot air sealing, or ultrasonic sealing to form an improved air-holding restraint system, such as an air curtain or air bag with superior air-holding characteristics.
-
Citations
32 Claims
-
1. A coated textile substrate for an air-holding vehicle restraint system, which comprises:
-
a) a textile substrate having opposed surfaces;
b) a first coating layer of an adhesive polyurethane on a surface of said textile substrate;
c) a second coating layer of an elastomeric polyurethane on said first coating layer; and
d) a third coating layer of elastomeric polyurethane on said second coating layer. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. An air-holding vehicle restraint system, comprising:
-
a pair of heat-sealed polyurethane coated textile substrates;
the outer surface of each substrate having an adhesive polyurethane layer thereon and overlying elastomeric polyurethane layers. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
-
Specification