FORPACKNINGSMASKIN FOR FYLLNING AV PA FORHAND FRAMSTELLDA FORPACKNINGSBEHALLARE OCH FOR FORSLUTNING AV DESSA INUTI EN SKYDDSGASATMOSFER

摘要

A packaging machine having a plurality of work stations including a protective gas confining cover between certain stations. The machine includes an apparatus for determining the oxygen content of a packaging container filled and sealed within the protective gas environment and comprises a gas analyzer means having an indicating instrument connected to a suction tube through a controllable valve. The inlet end of the suction tube is structured and positioned to draw gas from the vicinity of the unsealed openings of the filled containers as they are moved by a conveying means through the protective gas atmosphere.