A packaging film or sheet which is capable of forming peel seals having acceptable seal strengths, is disclosed which includes a polymer mixture consisting of a blend having proportionate amounts of from about 60 percent by weight to about 70 percent by weight of LDPE; from about 15 percent by weight to about 25 percent by weight of mLLDPE; and from about 10 percent by weight to about 20 percent by weight of 1-polybutylene.
Flexible Package With Sealed Edges And Easy To Open Mouth
A package fabricated from a flexible sheet material capable of being sealed for closing off the interior of the package from ambient atmosphere is disclosed. The package has two or more side walls and a like number of side seams. The package has an open upper end portion terminating in a free edge. The inner surface of the side walls has a releasably securable adhesive adjacent the upper end portion in a pattern wherein the adhesive does not extend into the area of the side seams, thus increasing the structural integrity of the package.
One-Way Valve For Flexible Package And Package Including A One-Way Valve
Jeffrey Scott Beer - Coopersburg PA, US Barry Pritchard - Nazareth PA, US John S. Thomas - Coopersburg PA, US
Assignee:
Fres-co System USA, Inc. - Telford PA
International Classification:
B65D 81/20 B65D 90/36
US Classification:
220 891, 2065248, 2202031
Abstract:
A one-way valve and a flexible package including the valve are disclosed. The valve basically comprises a base member, a flexible septum and a stake. The base member is mounted on a wall of the package and includes a valve seat and at least one inlet port. The septum is formed of a resilient material and is connected to the base member by the stake, with a first portion of the septum contiguous with the stake fixed in position with respect to the base member and a second portion of the septum engaging the valve seat and covering and sealing the at least one inlet port. The septum is arranged to flex off of the valve seat to unseal the at least one inlet port when the pressure of gas at the at least one inlet port reaches a threshold.
John S. Thomas - Coopersburg PA, US Jeffrey Scott Beer - Coopersburg PA, US
Assignee:
FRES-CO SYSTEM USA, INC. - Telford PA
International Classification:
B65D 81/34 H05B 6/80 B65D 33/01
US Classification:
426113, 219725, 383103
Abstract:
A flexible package for a product, e.g., a food product, to enable any steam resulting from heating the product in the package to automatically vent is disclosed. The package has a hollow interior space in which the product is located and is made up of a flexible sheet material. Portions of the flexible sheet material are sealed to each other along an elongated seal line, which forms a portion of the periphery of the hollow interior space. A portion of the seal line is in the form of a peelable interface. At least one vent is coupled to the peelable interface. The peelable interface automatically peels open upon the creation of steam within the package resulting from the heating of the product to allow the steam or other vapor to automatically exit through the at least one vent.
Single Brew Beverage Cartridge System Including Same And Method Of Use
Disclosed is a single brew beverage cartridge for use in a brewing apparatus. The cartridge includes a lid and a cup shaped filter suspended below the lid and in which a beverage brewing ingredient is held. The lid includes an annular collar to prevent the lid from deforming when a needle of the brewing apparatus pierces it during the brewing process. Preferably the cartridge is formed of materials so that it is compostable and biodegradable.
Thin Flexible One-Way Valve, Packaging Including The Same, And Method Of Making The Same
A one-way valve is mounted over a vent hole in a flexible package to enable gases to vent. The valve has a flexible base layer, a flexible cover layer and an interposed layer of oil. Each layer has an opposed pair of side edges. The cover layer is thinner than the base layer and is secured to the base layer along respective contiguous portions of the side edges to form an openable channel. The oil layer is located in the channel between the base layer and the cover layer and over the hole to form a bond holding the cover layer on the base layer until pressure within the package causes the bond to break, whereupon the cover layer to lift ups and opens the hole valve. Methods of making the package and valve are also disclosed.
Single Brew Beverage Cartridge System Including Same And Method Of Use
Disclosed is a single brew beverage cartridge for use in a brewing apparatus. The cartridge includes a lid and a cup shaped filter suspended below the lid and in which a beverage brewing ingredient is held. The lid includes an annular collar to prevent the lid from deforming when a needle of the brewing apparatus pierces it during the brewing process. Preferably the cartridge is formed of materials, e.g., paper/paperboard, so that it is compostable and biodegradable.
Gusseted Flexible Package With Shaped Sides And Methods Of Making The Same
A flexible side-gusseted package and methods of making the same are disclosed. The package has a central longitudinal axis, a front panel, a back panel, and a pair of gusseted side panels. The front panel is secured to the gusseted side panels along a pair of side seal lines. The back panel is secured to the gusseted side panels along a pair of side seal lines. Each of the seal lines includes a pair of end portions and an intermediate portion. The intermediate portion, e.g., a concave recessed portion, of each side seal line is located closer to the central longitudinal axis than the end portions of the side seal lines to provide a package which is somewhat necked-down at its middle, to facilitate grasping of the package by users.