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Stabilizing means for plastic reinforced paperboard lug box

  • US 3,915,372 A
  • Filed: 12/05/1974
  • Issued: 10/28/1975
  • Est. Priority Date: 12/05/1974
  • Status: Expired due to Term
First Claim
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1. In a generally rectangular container with rigid rectangular, reinforcing end frames at opposite ends thereof, the container having rectangular bottom, side and end walls, and lids which are hinged to the upper edges of said side walls, said rectangular end frames comprising integral, coplanar, upper, lower and side flanges parallel with the end walls of the container and lying thereadjacent, and rectangular integral upper, lower and side flanges, integral with and projecting perpendicularly from said coplanar flanges from the outer margins thereof, whereby to provide reinforcing caps receiving therein the corresponding end walls of the container and end portions of said bottom walls, with the perpendicular side flanges thereof lying closely adjacent said side walls of said container;

  • each of said end walls having a horizontal score line near one horizontal edge thereof and the flap so formed being bent through an acute angle on said score line, whereby to resist warpage of said end wall transversely of said score line.

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