초록 ▼

A closure assembly for a container body comprising an overcap ring and an integral, peelable laminated structure consisting of a paperboard substrate, an electrically conductive layer, a first coating layer, and a second coating layer. The overcap ring with the laminated structure are adapted to be

A closure assembly for a container body comprising an overcap ring and an integral, peelable laminated structure consisting of a paperboard substrate, an electrically conductive layer, a first coating layer, and a second coating layer. The overcap ring with the laminated structure are adapted to be induction heat sealed to the container body.

대표청구항 ▼

The closure assembly for a container comprising: a container body having an upper, open marginal portion; an overcap ring adapted for engagement with said container body and including a generally planar portion and a downwardly depending flange portion; a laminated structure consisting of (a) a pape

The closure assembly for a container comprising: a container body having an upper, open marginal portion; an overcap ring adapted for engagement with said container body and including a generally planar portion and a downwardly depending flange portion; a laminated structure consisting of (a) a paperboard substrate having an undersurface, (b) an electrically conductive layer having first and second surfaces, (c) a first coating layer having first and second surfaces, the first surface thereof being bonded to the first surface of said conductive layer, and the second surface thereof being bonded to the undersurface of said paperboard substrate, and (d) a second coating layer having first and second surfaces, the first surface thereof being bonded to said second surface of said conductive layer; said overcap ring being injection molded to said laminated structure to provide an integral peelable laminated structure; and interlocking engagement means disposed on said overcap ring and said container body for maintaining said overcap ring and container body in sealing engagement.