B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 5/40 (2006.01) B65D 5/36 (2006.01) B65D 85/72 (2006.01)
Patent
CA 2130547
2130547 9316926 PCTABS00025 A cup of which the side sections form a cylinder, formed in one piece with a square or rectangular bottom, inasmuch as a cup whose cylinder consists of four side sections has two opposite side sections, furnished below with folding lines which form the sides of isosceles triangles (7), whose base lines (8) along the folding lines in the open position of the cup form two of the four bottom edges, inasmuch as in the bottom (9, 10) there is a folding line (11) which runs along the centreline of the bottom and continues up along the perpendiculars of the two triangles and on up to the rim of the cup, thus dividing the two opposite side sections into congruent surfaces which can bear upon each other when the bottom is folded into the inside of the cup, whereby the other two sides of the cup lie bear upon each other by parallel displacement of the said sides. The cup (1) has a total of two side sections (2, 3), bearing against each other by means of discontinuous gluing or welding along the edge of the opening of the cup, inasmuch as the said side sections, in the open position of the cup, are held in tension in mirror-inverted convex curves between the two folding lines (4, 5).
All-Ways Aps
Bereskin & Parr
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