B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
206/37
B65D 39/12 (2006.01) B65D 81/20 (2006.01)
Patent
CA 1111803
? ? ? ? ? ? ? ABSTRACT OF THE DISCLOSURE: a reclosure device for vacuum pack containers and the like, comprised of a diaphram that seals with the opened end of the container and actuating means therefor to position it axially outward from an initially inward extension into the container, thereby drawing a partial vacuum upon the contents within the said container.
298533
Batchelor John H.
Johnson Douglas S. Q.c.
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