Internal tear seal dual bag
AssigneeClintec Nutrition Co.
InventorsEugene Fabisiewicz, Jack Fagan, Steffen A. Lyons
Life of this patent
Estimating the term…
Abstract
A W-shaped frangible seal line separating at least two chambers in a container or securing together two sheets of material. Outer legs of the W-shape preferably describe an angle of 170.degree. or less. Inner legs of the W-shape preferably describe an upside down chevron or V-shape that describes an acute angle.
Claims13
A container having at least two chambers separated by a selectively openable seal line, said container comprising an inner and two exterior sheets sealed together in registry about the peripheries thereof and forming two lateral edges, said seal line comprising a heat seal disposed between one exterior sheet and said inner sheet and across said container whereby at least a first chamber is formed between said one exterior sheet and said inner sheet and a second chamber is formed between said other exterior sheet and said inner sheet, said seal line substantially comprising in plan view a W-shape extending completely across a face of said container between the tow lateral edges thereof with tow inner legs and two outer legs, said inner legs describing an inverted central chevron portion, said outer legs defining an upwardly opening angle, each outer leg beginning at one lateral edge and ending at one inner leg.
A container comprising at least two sheets of material secured together along peripheries of the sheets of material to form edges and including at least one W-shaped frangible seal line extending completely across a face of the container to form at least two chambers separated by said frangible seal line, said seal line comprising a heat seal, said seal line having two inner legs and two outer legs, said inner legs describing an inverted central chevron portion, said out legs defining an upwardly opening angle, each outer leg beginning at one lateral edge and ending at one inner leg.
A container comprising:
- first and second exterior sheets secured together about peripheries thereof to form a bag with lateral edges;
- an inner sheet secured within said bag and sealed about the peripheries of said first and second exterior sheets so as to subdivide said bag into two individual larger chambers;
- and
- a W-shaped frangible seal securing a portion of said inner sheet to said first exterior sheet such that at least one individual larger chamber is subdivided into two smaller chambers, said seal extending completely across said container between the lateral edges thereof, said seal comprised of two inner legs and two outer legs, said inner legs describing an inverted central chevron portion, said outer legs defining an upwardly opening angle, each outer leg beginning at one lateral edge and ending at one inner leg.
Dependencies are inferred from the claim text.