US PATENT SUBCLASS 220 / 687
.~.~.~.~.~ With interior circumferential backup band

Current as of: June, 1999
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220 /   HD   RECEPTACLES

660  DF  SIDEWALL STRUCTURE {7}
677  DF  .~ Sidewall seam or joint {4}
682  DF  .~.~ Interlocked joint {4}
683  DF  .~.~.~ Separate strip-like element {4}
686  DF  .~.~.~.~ Exterior circumferential clamping band {1}
687.~.~.~.~.~ With interior circumferential backup band

DEFINITION

Classification: 220/687

With interior circumferential backup band:

Receptacle under 686 wherein the joint is provided with an additional relatively stiff belt-like member inside the container substantially coextensive with the outer clamping belt, with the edges of the sidewall portions captured therebetween.