B - Operations – Transporting – 65 – B
Patent
B - Operations, Transporting
65
B
226/66
B65B 7/00 (2006.01) B31F 1/36 (2006.01) B31F 5/02 (2006.01)
Patent
CA 2000601
In the sealing of paper sheets, particularly envelopes, such as for example self-eneveloping forms, by knurling of the edges to be joined together, the preventive moistening of the same edges leads to a sealt tight closure or sealing.
Bedodi Aldo
Speroni Armando
Datapac S.r.l.
Swabey Ogilvy Renault
LandOfFree
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