摘要 |
An object of the present invention is to provide a sealing device and a sealing method with which oxygen substitution can be sufficiently carried out even in a bag-like container. The present invention is a sealing device for putting a content into a bag-like container and sealing the container, and includes a content supply portion that supplies the content to the container having an opening in an open state, an inert gas supply portion that supplies inert gas to the container, a liquefied inert gas supply portion that supplies liquefied inert gas to the container, and a sealing portion that seals the opening of the container after the liquefied inert gas is supplied. |