Shape-adjustable headgear visor and headgears thereof
OwnerFang Haninventor
Life of this patent
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Abstract
Shape-adjustable brims or visors for headgears made from a shape-memory plastic composite material and headgears, such as hats and caps, comprising such shape-adjustable brims or visors are disclosed. The present disclosure also provides methods for manufacturing the shape-adjustable brim or visor and headgears thereof.
Claims20
A shape-adjustable brim or visor of a headgear, comprising an elastic flat plate that can be manually adjusted into a curved shape and readjusted back to the original flat shape, wherein the elastic flat plate is made from a shape-memory plastic composite material.
A method of preparing a shape-memory plastic composite brim or visor plate, comprising:
- (a) high-speed mixing HDPE, LLDPE and nano-modified material;
- (b) adding proportional excipients, heating the mixture to about 80° C. while stirring;
- (c) drying the resultant material and allowing it to stand at about 50° C. to obtain a mixture for release;
- (d) transferring the mixture to an extruder hopper, screw heating to about 185° C., following by low speed extrusion;
- (e) shaping the extruded material of step (d) into a plate;
- (f) cooling the plate in a U-tank with natural air for about 25 minutes to obtain a U-plate;
- (g) after the U-plate is cooled, ejecting and framing the material, and allowing it to stand for more than 48 hours;
- and
- (h) punching the cooled U-plate to obtain a flat shape-memory brim or visor plate.
Dependencies are inferred from the claim text.