Kraft Foods Holdings, Inc.

Kraft Foods Global Brands LLC

Kelly Elizabeth Arnold

Kenneth C Pokusa

Panagiotis Kinigakis

Orestes Rivero

Joseph R Brooks

Trisha Ann Wood

Kenneth Radakovits

Amy L Gosselin

Jim Kyung Sung

Harold Marvin Howell, Iii

Laura A Jeric

Panagoitis Kinigakis

Hal Marvin Howell

Harold Marvin Howell

Horizontal form fill seal apparatus for making flexible packages with slider fastener closures is provided. Various types of fastener tracks are applied in-line with a plastic web and are bonded thereto. All package components are brought together at the point of fill. Flexible packages are provided with shrouded and unshrouded slide fastener closures.

Method of making flexible packages having slide closures

A shrouded flexible package is provided with an improved continuous laser score line. The score line has end portions adjacent the side seals of the package, which are located above fastener tracks which are enclosed by a shroud portion of the package. The score line contains downwardly and inwardly converging segments joined to a medial score line segment extending along side and generally below the fastener tracks. The score line is preferably formed with a laser energy source.

Shrouded flexible packages

Flexible package

A flexible package is provided with a shrouded slide fastener closure. The shroud includes an opening for the slide, extending to a line of weakness joining the shroud to the remainder of the flexible package. The opening includes an acute angle portion communicating with the line of weakness to facilitate tearing of the shroud from the flexible package.

Fastener closure arrangement for flexible packages

Flexible package with shrouded slide fastener closure having circular opening

Flexible package with shrouded slide fastener closure

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Chicago, IL, United States of America

Kelly Elizabeth Arnold