| 摘要 |
A member for opening a rectangular cuboid includes a elongated body having an insertion section, a delamination and a folding section sequentially positioned along the longitudinal axis of the body. The insertion section includes a tapered insertion end configured for guiding the body into an opening in an end of the cuboid. The delamination section is configured to laterally displace first and second flaps of the cuboid relative to each other away from a first sealed position. The opening section has oppositely facing sidewalls to deflect the first and second flaps to a second open position at which the first and second flaps are opened past first and second sides of the cuboid. A machine having the opening member and a method of opening a rectangular cuboid are also included.
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