Sift-proof carton and method and dispensing means for...

Details Sift-proof carton and method and dispensing means for... Sift-proof carton and method and dispensing means for...

B - Operations, Transporting

31

B

229/44

B31B 1/62 (2006.01) B05C 5/02 (2006.01) B65D 5/02 (2006.01)

Patent

CA 1307507

Abstract The invention relates to a high-integrity closure, sift-proof carton, a method and an adhesive dispensing means for producing same. Foamed hot melt adhesive is dispensed in parallel strips from dispensing guns onto the flaps of the carton, which are thereafter folded down to close the carton. The strips can be spaced so that a continuous tight adhesive seal is formed, especially by providing a strip pattern interdigitating when the flaps contact each other. Since all strips are provided in parallel, while the carton is moved with respect to the dispensing means, application of adhesive is fast and reliable.

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