Patent ID: 9717313
Date: 2017-08-01
CPC Classifications: A45B,D03D,D06N

Claim:
1. A method of preparing a canopy, comprising: providing a light-transmissible fabric sheet of undyed yarns; coating an enamel composition on at least one side of the light-transmissible sheet to form an opaque enamel coating on the light-transmissible fabric sheet; drying the opaque enamel coating; and dipping the light-transmissible fabric sheet coated with the opaque enamel coating into a hot water bath before drying the opaque enamel coating, followed by dipping the light-transmissible fabric sheet coated with the opaque enamel coating into a cold water bath, wherein the temperature of the hot water bath ranges from 100 to 120° C., and the temperature of the cold water bath ranges from 30 to 50° C.