Glow-in-the-dark film for bowling lanes
View Patent ↗A glow-in-the-dark bowling game includes an enclosure with ambient lighting normally illuminating the same, and at least one bowling lane. A UV sensitive dye or pigment is incorporated into at least a portion of the upper surface of the bowling lane. A UV light source is positioned generally above the bowling lane, and is selectively operable for directing UV light onto the upper surface of the bowling lane. To play the glow-in-the-dark bowling game, the ambient lighting is dimmed or turned off, and the UV light source is turned on, causing the UV sensitive dye or pigment to emit visible light.
1. A UV light fluorescing film for bowling lanes, comprising:
a thin transparent film of a material selected from the group consisting of polyesters, polycarbonates, polyurethane, polystyrenes, polypropylene, polyethylene, polyvinyl chloride, acrylics, polyurethane, fluorocarbon polymers and nylon;
a pressure sensitive adhesive on one side of said film selected from the group consisting of acrylic, vinyl acrylic copolymer, rubber resin and silicone pressure sensitive adhesives; and
an ultraviolet light sensitive dye or pigment that is essentially colorless in daylight but fluoresces in ultraviolet light dispersed in said adhesive.
2. A UV light fluorescing film as set forth in claim 1 , wherein:
said film has a total thickness between about 0.63 and 2.50 mm, and is made from a polycarbonate material.
3. A UV light fluorescing film as set forth in claim 2 , wherein:
said film comprises a first layer and a second layer underlying said first layer; and
said first layer comprises a lubricious polymeric material and polycarbonate.
4. A UV light fluorescing film as set forth in claim 3 , wherein:
said first layer includes an optical brightener.
5. A UV light fluorescing film as set forth in claim 4 , wherein:
said second layer includes;
a color tinting material; and
an ultraviolet light blocker.
6. A UV light fluorescing film as set forth in claim 5 , wherein:
said film further includes a third layer underlying said second layer.
7. A UV light fluorescing film as set forth in claim 6 , wherein:
said film has an undersurface free of adhesive.
8. A UV light fluorescing film as set forth in claim 7 , wherein:
said film comprises a mixture of about 5-20 percent of a lubricious polymeric material and correspondingly about 80-95 percent polycarbonate.