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Sheets of corrugated paper for producing packages

  • US 5,379,945 A
  • Filed: 04/21/1992
  • Issued: 01/10/1995
  • Est. Priority Date: 06/19/1991
  • Status: Expired due to Fees
First Claim
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1. Sheet material for producing a container, which comprises first and second flat sheets (101A and 101B) that are adapted to be folded and fitted together, each sheet including(i) spaced apart side wall members (1 and 2),(ii) spaced apart partition wall members (3) having top and bottom edges extending between and at right angles to said spaced apart side wall members (1 and 2), said partition wall members being separated from each other by narrow openings (4) extending parallel to said partition wall members,(iii) a plurality of slits (5) provided in each partition wall member (3) and equaling in number the number of the partition wall members (3) of the other sheet (101A or 101B) plus two, the outermost slits in each partition wall member (3) defining the outermost ends of that partition wall member (3),(iv) a first pair of creases (A) formed adjacent the opposite ends of each partition wall member (3), said creases (A) being parallel to said side wall members (1 and 2), and(v) a second pair of creases (B) formed in each partition wall member (3), each such crease (B) being on a 45°

  • angle that extends between the bottom of one of said outermost slits and one end of one of said first pair of creases (A) whereinin the first sheet (101A) all of the slits (5) are formed in the top edge of the partition wall member (3) and in the second sheet (101B) the slits (5), other than said outermost slits, are formed in the bottom edge of the partition wall member 3.

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