초록 ▼

A method of and apparatus for packaging a blocky product such as cheese, into a wrapped envelope package, with material especially adapted for said packaging and wherein a bottom face of the product article is engaged on a panel area of the wrapper sheet which sheet has extended portions that are wr

A method of and apparatus for packaging a blocky product such as cheese, into a wrapped envelope package, with material especially adapted for said packaging and wherein a bottom face of the product article is engaged on a panel area of the wrapper sheet which sheet has extended portions that are wrapped about the article and sealed across a top face of the article, with one of the portions of the wrapper sheet having a reclosable zipper and a web portion alongside said zipper which is adapted to be severed or ruptured to provide a mouth opening for access to the article within the package and the mouth opening being reclosable by the enclosed zipper. The zipper may be provided with structure to prevent its being pulled open during the wrapping and sealing of the wrapper about the article. The web portion may have guidance for severing or rupturing the same when access is desired into the package.

대표청구항 ▼

In a wrapped bulky product-enclosing package formed from a single sheet or wrapper and having a face panel extending between opposite sides and end edges of the package, said sheet material being folded from opposite sides of the face panel into tubular envelope shape and with longitudinal margins o

In a wrapped bulky product-enclosing package formed from a single sheet or wrapper and having a face panel extending between opposite sides and end edges of the package, said sheet material being folded from opposite sides of the face panel into tubular envelope shape and with longitudinal margins of the sheet material sealed into a seam opposite said face panel and extending between said end edges of the envelope, and cross seals at said opposite end edges of the envelope, the improvement comprising: zipper means comprising reclosable separable fastener profiles within one side fold of the package extending between said cross seals and in parallel relation to said seans; said zipper means being enclosed within the package and maintaining said envelope snugged against the wrapped bulky product; a pilfer-proof web extending between said cross seals and projecting outwardly from and along said fastener profiles, so that the envelope remains fully sealed until said web is ruptured to provide a mouth opening into the package and which is adapted to be reclosed by closing said zipper means; said zipper means comprising profiled resiliently flexible separable zipper strips having the profiles in closed zipper relation alongside said pilfer-proof web fold; and means for resisting separation of said zipper profiles during a product wrapping operation and in the package.