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Shuttlecock with luminescent means

  • US 5,562,290 A
  • Filed: 12/27/1995
  • Issued: 10/08/1996
  • Est. Priority Date: 12/27/1995
  • Status: Expired due to Fees
First Claim
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1. A shuttlecock of the type comprising a base, and a feathers unit detachably fastened to said base, wherein said base comprises an elastic, light-permeable outer cover shell, a cap-like inner shell mounted inside said elastic outer cover shell, a water-tight space defined outside said cap-like inner shell within said elastic outer cover shell, an alkaline solution filled in said water-tight space, and a luminol ball disposed in said alkaline solution inside said water-tight space, said luminol ball comprising a ball of luminol and a film covering covered on said ball of luminol to isolate it from said alkaline solution, said ball of luminol being activated by said alkaline solution to produce a brilliant bluish luminescence when said luminol ball is broken by an external force being applied to said elastic outer cover shell.

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