Vacuum packaging apparatus and process

Details Vacuum packaging apparatus and process Vacuum packaging apparatus and process

B - Operations, Transporting

65

B

156/7.5

B65B 31/02 (2006.01)

Patent

CA 1291412

ABSTRACT "VACUUM PACKAGING APPARATUS AND PROCESS" A vacuum packaging process and apparatus employ the novel step of deliberatety at least partically repressurizing the exterior of a packaging receptacle after commencement of the evacuation of the exterior and interior of the receptacle in a chamber. Two separate gas pressure restroation phases may be employed, separated by a resumption of the gas extraction, and the receptacle is closed during the second of these gas pressure restoration phases.

413519

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