Envelope or shipping container, and method for making such...

B - Operations – Transporting – 65 – D

Patent

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Details

B65D 27/12 (2006.01) B31B 1/90 (2006.01) B31B 19/00 (2006.01) B31B 47/00 (2006.01) B65D 27/38 (2006.01)

Patent

CA 2144233

An envelope or shipping container or the like includes an enclosure formed from a blank having a score line separating a side edge flap, and a tear strip which is placed in the side edge flap without exposing any projecting parts and attached to the enclosure and/or an inner lining of the envelope. During production of the envelope, the tear strip is aligned in running direction of a continuous paper web and secured thereto so as to follow the travel of the paperweb. During trimming and sizing the paper web into a desired format, any projections of the tear strip are removed so that there is no need to modify the overall process for making the envelope in order to properly insert the tear strip.

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