Air chamber sports board

Abstract

A sports board for use in supporting a rider on snow covered slope and other gliding surface comprising: an elongated foam board with a semi-rigid foam core having a top riding surface and a bottom planning surface, the board having one or both end portions having an upturned shape acting as the leading end of the gliding board, the foam core having a aperture inside which an air chamber retains and the air chamber locating at the rider supporting region provides additional resilience to the foam board; a top skin covering the riding surface of the foam core; and a bottom skin covering the planning surface of the foam core.

1 . A sports board for use in supporting a rider on a gliding surface comprising:
 an elongated foam board with a semi-rigid foam core having a top riding surface and a bottom planning surface, the foam core having a aperture inside which an air chamber retains and the air chamber locating at the rider supporting region provides additional resilience to the foam board;   a top skin covering the riding surface of the foam core; and   a bottom skin covering the planning surface of the foam core.   
   
   
       2 . The sports board of  claim 1 , wherein
 the foam core is polyethylene foam;   the top skin further comprises a top polyethylene foam sheet bonded to an outer plastic film;   the bottom skin further comprises a bottom polyethylene foam sheet bonded to an outer plastic sheet and the plastic sheet provides an outer slick gliding surface.   
   
   
       3 . The sports board of  claim 2 , further comprises an adhesive resin layer bonding between said chamber and said bottom polyethylene foam sheet. 
   
   
       4 . The sports board of  claim 2 , wherein the polyethylene foam core has a density of 1.5 to 4 lb/ft 3  and a thickness of 0.5-3 inches, the polyethylene foam sheet has a density higher than the density of foam core and a thickness of 1-10 mm, and the bottom plastic sheet has a thickness of 0.1-2 mm. 
   
   
       5 . The sports board of  claim 2 , wherein said plastic film comprising: an outer film comprising an inner surface having a graphic printed thereon, said outer film is pervious to light; an inner film comprising an outer surface and an inner surface, said outer surface of said inner film is bonded with said inner surface of said outer film, said inner surface of said inner film is bonded with said top polyethylene foam sheet. 
   
   
       6 . The sports board of  claim 2 , wherein said plastic sheet further comprising: a inner film having a top surface being bonded to said bottom surface of said bottom polyethylene foam sheet and a bottom surface: a outer film having a top surface being bonded to said bottom surface of said inner film and a bottom surface; a graphic being printed on said top surface of said outer film, whereby said graphic printing is overlaid; and a plate having a surface being bonded to said bottom surface of said outer film, said graphic being visible from outside of said plate, wherein said outer film, inner film and plate are made of plastic. 
   
   
       7 . The sports board of  claim 1 , wherein
 the foam core is polystyrene foam;   the top skin further comprises a top adhesive resin film having a bottom surface bonded to the top surface of the foam core and a top surface; a top polyethylene foam sheet having a bottom surface bonded to the top surface of said top adhesive resin film and a top surface; a top plastic film having a bottom surface bonded to the top surface of said top polyethylene foam sheet; and   the bottom skin further comprises a bottom adhesive resin film having a top surface bonded to the bottom surface of the foam core and a bottom surface; a bottom polyethylene foam sheet having a top surface bonded to the bottom surface of said bottom adhesive resin film and a plastic sheet having a top surface bonded to the bottom surface of said bottom polyethylene foam sheet.   
   
   
       8 . The sports board of  claim 1 , wherein the air chamber is made of plastic material selected from the group consisting of polyvinyl chloride sheet, polyethylene sheet, polypropylene sheet, polyester sheet, nylon sheet and polyvinyl chloride sheet. 
   
   
       9 . The sports board of  claim 1 , further includes a front air chamber attached to front portion of the foam board for absorbing impact force in the front half of the sports board in collision. 
   
   
       10 . The sports board of  claim 1 , further includes a rear air chamber attached to rear portion of the foam board for absorbing impact force in the rear half of the sports board in collision. 
   
   
       11 . The sports board of  claim 10 , further including at least one plastic flag sheet connecting the air chamber to the top surface of the sports board by one of the methods selected from snap button, snap rivet, strap, sewing, thermo welding or adhesive bonding. 
   
   
       12 . A sports board for use in supporting a rider on a gliding surface comprising:
 an elongated foam board with a semi-rigid foam core having a top riding surface and a bottom planning surface, the foam core having a aperture inside which a chamber retains and the chamber locating at the rider supporting region provides additional resilience to the foam board; and   a bottom skin covering the planning surface of the foam core; the bottom skin comprising a foam sheet having a top surface and a bottom surface and said bottom surface being bonded to a plastic sheet and the plastic sheet provides an outer slick gliding surface.   
   
   
       13 . The sports board of  claim 12 , wherein the chamber is made of plastic material selected from the group consisting of polyvinyl chloride sheet, polyethylene sheet, polypropylene sheet, polyester sheet, nylon sheet and polyvinyl chloride sheet. 
   
   
       14 . The sports board of  claim 12 , wherein the chamber is filled with pressurized air or other appropriate fluid for enhancing elasticity of the chamber. 
   
   
       15 . The sports board of  claim 12 , further comprises an adhesive resin layer bonding between said chamber and said foam sheet. 
   
   
       16 . The sports board of  claim 12 , wherein said plastic sheet comprises: a inner film having a top surface being bonded to said bottom surface of said foam sheet and a bottom surface; a outer film having a top surface being bonded to said bottom surface of said inner film and a bottom surface; a graphic being printed on said top surface of said outer film, whereby said graphic printing is overlaid; and a plate having a surface being bonded to said bottom surface of said outer film, said graphic being visible from outside of said plate, wherein said outer film, inner film and plate are made of plastic. 
   
   
       17 . An inflatable sports board for use in supporting a rider on a gliding surface comprising:
 an inflatable chamber;   a bottom cover for at least part of the chamber, said cover comprising a foam sheet bonded to a plastic sheet and the plastic sheet provides a puncture resistant protection layer to the inflatable chamber and an outer slick gliding surface for enhanced sliding speed.   
   
   
       18 . The sports board of  claim 17 , wherein the air chamber is made of plastic material selected from the group consisting of polyvinyl chloride sheet, polyethylene sheet, polypropylene sheet, polyester sheet, nylon sheet and polyvinyl chloride sheet. 
   
   
       19 . The sports board of  claim 17 , further comprises an adhesive resin layer bonding between said chamber and said foam sheet. 
   
   
       20 . The sports board of  claim 17 , wherein the foam sheet comprises a member selected from the group consisting of polyethylene (PE), polypropylene (PP), ethylene vinyl acetate (EVA), rubber or the combination thereof, having a density of 4 to 10 lb/ft 3  and a thickness of 1-20 mm, and the bottom plastic sheet has a thickness of 0.1-2 mm.