(under subclass 510) Apparatus including means to fabricate a cover material into a shape capable of confining a contents.
SEE OR SEARCH THIS CLASS, SUBCLASS:
509, for apparatus for conforming a cover sheet about contents on a base by fluid pressure, i.e., skin packaging, in which the contents may be incidentally subject to a vacuum during packaging.
558+, for apparatus for forming or partially forming a receptacle and subsequently filling.
