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Carton blank and carton formed therefrom

  • US 5,857,614 A
  • Filed: 09/19/1997
  • Issued: 01/12/1999
  • Est. Priority Date: 09/19/1997
  • Status: Expired due to Term
First Claim
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1. A carton blank comprising:

  • a unitary sheet of a relatively rigid material;

    said unitary sheet of a relatively rigid material having a plurality of cut and fold lines for dividing said unitary sheet of a relatively rigid material into conventional panel portions having at least a central body portion having at least three panel portions joined by two fold lines;

    a generally rectangular sheet of a relatively flexible fluid impervious material having at least a central body portion;

    at least portions of said at least a central body portion of said rectangular sheet being secured to said at least a central body portion of said unitary sheet;

    continuous linearly extending weakened portions formed in said at least three panel portions of said unitary sheet;

    at least a portion of said generally rectangular sheet being weakened along a line opposite to said continuous linearly extending weakened portions;

    a continuous coating of adhesive securing together the portions of said at least a central body portion of said unitary sheet and said at least a central body portion of said generally rectangular sheet along and adjacent to said weakened portions; and

    said continuous coating of adhesive cooperating with said at least a portion of said generally rectangular sheet to preserve the integrity of said generally rectangular sheet but to permit the simultaneously separation thereof with said unitary sheet.

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