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Container end construction

  • US 4,621,763 A
  • Filed: 09/12/1985
  • Issued: 11/11/1986
  • Est. Priority Date: 09/12/1985
  • Status: Expired due to Term
First Claim
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1. A blank for forming a side wall and a portion of an end closure of a tube type container, the blank being formed of resilient, stiff and bendable sheet stock, such as paperboard, the blank including a lower rim and a band running therealong, the band having a plurality of generally wedge shaped scores therein, the scores being spaced from each other along said band, each score including a narrow end and a widest end, the widest ends of the scores being at the rim of the band, a continuous score of substantially uniform width running parallel to said rim and spaced therefrom and contiguous with the narrow ends of the scores, the band being adapted to be bent inwardly to form folds after the blank has been formed into a tube, the band also being adapted to contact and seal against an end closure disc or panel, so that the folds in the band are at least substantially contained within the wedge shaped scores to yield an improved seal of the inwardly folded band and the closure disc or panel.

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