Re-sealable packaging containers

Details Re-sealable packaging containers Re-sealable packaging containers

B - Operations, Transporting

65

D

220/6

B65D 33/16 (2006.01) B29C 65/00 (2006.01) B29C 65/04 (2006.01) B29C 65/14 (2006.01) B32B 1/02 (2006.01)

Patent

CA 1272165

ABSTRACT Packaging containers which are closed, except for a pinch-type filling valve or filling-opening, are provided with an RF-sealable polymer, at least in the valve or opening, in order to be able to seal the valve or opening using RF frequency. Preferably, polymers which are sealable using MW energy are used, including, preferably, carbon monoxide-containing ethylene polymers.

510034

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