Plastic drum with reinforced sidewall

  • US 6,497,338 B1
  • Filed: 08/15/2000
  • Issued: 12/24/2002
  • Est. Priority Date: 08/15/2000
  • Status: Active Grant
First Claim
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1. A unitary molded plastic drum comprising:

  • a generally cylindrical sidewall connected to a bottom wall to define an interior space, the cylindrical sidewall having an upper section, a middle section and a lower section, the upper section and middle section having a uniform wall thickness, the lower section including an outer sidewall and an inner sidewall and a plurality of radially extending ribs sandwiched between and connecting the outer sidewall and the inner sidewall and an annular lip connecting a top of the inner sidewall with a top of the outer sidewall and forming an interior ledge within the interior space and said outer wall tapering from a thicker portion adjacent said lip to a thinner portion adjacent said bottom.

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