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A method of making packages having a reclosable zipper closure by a vertical form, fill and seal process. The method includes providing a pocket in a film web into which a zipper closure is positioned and attached. The film web is folded and sealed to form side panels and seams, which result in a pa

A method of making packages having a reclosable zipper closure by a vertical form, fill and seal process. The method includes providing a pocket in a film web into which a zipper closure is positioned and attached. The film web is folded and sealed to form side panels and seams, which result in a package. The pocket provides an internal tamper evident-structure for the package. An external tamper evident-structure can be provided between the distal ends of the mating profiles of the zipper closure.

대표청구항 ▼

A method of making packages having a reclosable zipper closure by a vertical form, fill and seal process. The method includes providing a pocket in a film web into which a zipper closure is positioned and attached. The film web is folded and sealed to form side panels and seams, which result in a pa

A method of making packages having a reclosable zipper closure by a vertical form, fill and seal process. The method includes providing a pocket in a film web into which a zipper closure is positioned and attached. The film web is folded and sealed to form side panels and seams, which result in a package. The pocket provides an internal tamper evident-structure for the package. An external tamper evident-structure can be provided between the distal ends of the mating profiles of the zipper closure. piston acts on an intermediate piston, which is in engagement with the connecting element, wherein the intermediate piston has an annular piston surface on a front end that faces away from the connecting element, and wherein the annular piston surface has a diameter that is greater than a diameter of the connecting element; and a compression spring positioned within the housing and configured to bias the piston in a connected position. 13. A quick connector for pipes for pressure or vacuum testing, comprising: a tubular housing extending in an axial direction; a spreadable connecting element mounted within the tubular housing and formed as a sleeve, the connecting element configured to clamp a pipe in a connected position; an actuating device configured to act upon the connecting element to release the connecting element, wherein the actuating device includes a hand lever extending in the axial direction of the housing, and wherein the hand lever has an actuating push rod that extends through an outer wall of the housing; a piston positioned within the housing and configured to be movable in the axial direction by the actuating device, wherein the actuating push rod has a rounded profile at an inner end, which is in engagement with a peripheral groove of the piston; and a compression spring positioned within the housing and configured to bias the piston in a connected position.