(under subclass 128.1) Apparatus which includes means to
supply a fluid film or impregnant on a surface of the cover material or a part thereof during some portion of the operation of forming a package, which supplied film or impregnant serves to prevent damage to the cover material or to the contents of the package.
(1) Note. Exception is made in the case of application of bonding material such as an adhesive or solvent in that this material is not regarded as producing an adjunct to the cover in view of the common practice to so seal the seams of a cover.
SEE OR SEARCH THIS CLASS, SUBCLASS:
141, for a package making apparatus with means to subject the cover to an operation which causes some transient change in a chemical or physical property thereof prior to its fabrication into a package.
170+, for apparatus for applying a plurality of covers formed from sheet material to a package.
411, for a method of packaging including application of a protective coating.
SEE OR SEARCH CLASS 118, Coating Apparatus, for apparatus for coating a web, a cover blank or a completed package, generally.
131, Tobacco,
284, for cigar or cigarette making combined with coating.
