B - Operations – Transporting – 31 – B
Patent
B - Operations, Transporting
31
B
93/23, 129/39
B31B 1/26 (2006.01) B31B 1/62 (2006.01) B31B 41/00 (2006.01) B65D 30/20 (2006.01)
Patent
CA 1131534
ABSTRACT OF THE DISCLOSURE A folded package is produced by feeding a continuous web of a sheet material together with a strip of another sheet material along each longitudinal edge of the web and adhering the strips to the web such that each strip slightly projects beyond the respective edge of the web. Intermittent areas of each strip are then provided with adhesive, the length of the adhesive areas corresponding to the length of the package to be produced. Intermediate areas not provided with adhesive have the same length as those with the adhesive. Each strip is then turned over on itself whereby the portions of adhesive areas of each strip adhere to each other while the intermediate areas remain simply folded over but not adhered to each other. The assembly is then cut transversely to form a blank including, at each edge, one adhesive and one non-adhesive area. Adhesive is then applied to the top surface of the turned over portions of both strips along their entire length and the blank is then folded about its transverse center line to cause the respective halves of each turned-over strip to adhere to each other. The invention increases productivity of production of bracing packages.
335166
Gowling Lafleur Henderson Llp
Janhonen Veikko I.
LandOfFree
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