Methods for closing containers

Details Methods for closing containers Methods for closing containers

B - Operations, Transporting

65

D

113/18, 190/81

B65D 1/40 (2006.01) B21D 51/32 (2006.01)

Patent

CA 1249779

ABSTRACT OF THE DISCLOSURE A packing container is closed by using a double seam (152) to secure over the container body (70) a cover (74) of smaller diameter than is usual, creating a radial space (104) around the cover chuck wall (122) into which the body sidewall (72) is deformed to form a neck (76). The cover is intially placed on the body to form a sealable interface (142) therebetween, this interface being preserved throughout the seaming process. The body and/or the cover may be of plastics or metal or a laminated material. In an aseptic packaging process, a primary seal is created at the interface (42) under sterile conditions, seaming subsequently being carried out under non-sterile conditions.

481349

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