Perimeter seals for multi-layer materials and method

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area the first layer being disposed within the container;
• a second wall of a second multi-layered polymeric material, the second multi-layered material having a second substrate and a second layer disposed on at least a portion of the second substrate to define separately a second overlap area and second peripheral flange adjacent the second overlap area, the second layer being disposed within the container;
• a first seam attaching a portion of the first overlap area to a portion of the second overlap area;
• and,
• a second seam separate from the first seam and attaching a portion of the first peripheral flange to a portion of the second peripheral flange.

A solution container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered polymeric material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area;
• a second wall of a second multi-layered polymeric material, the second multi-layered polymeric material having a second substrate and a second layer disposed on at least a portion of the second substrate to define separately a second overlap area and a second peripheral flange adjacent the second overlap area;
• a first seam, the first seam comprising a linking section and a bonding section, the linking section securing an outer portion of the first overlap area to an outer portion of the second overlap area, the bonding section securing an inner portion of the first peripheral flange to an inner portion of the second peripheral flange whereby the linking section comprises a four-ply thickness and the bonding section comprises a two-ply thickness;
• a spacer seam, the spacer seam defining a chamber between an intermediate portion of the first peripheral flange and an intermediate portion of the second peripheral flange;
• and,
• a second seam separated from the first seam by the spacer seam and attaching an outer portion of the first peripheral flange to an outer portion of the second peripheral flange.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area the first layer being disposed within the container;
• a second wall of a first polymeric material;
• a first seam attaching an inner portion of the first overlap area to the second wall;
• and,
• a second seam spaced from the first seam and attaching an outer portion of the first overlap area to the second wall.

A method for sealing polymeric planar members together comprising the steps of:

• providing a first planar member having a first layer on a first substrate wherein peripheral edges of the first layer are located inwardly of peripheral edges of the first substrate, the peripheral edges of the first substrate defining a first peripheral flange;
• providing a second planar member having a second layer on a second substrate wherein peripheral edges of the second layer are located inwardly of peripheral edges of the second substrate, the peripheral edges of the second substrate defining a second peripheral flange;
• positioning the planar members in opposed relation wherein the first layer confronts the second layer to define a first interface area and the first peripheral flange confronts the second peripheral flange to define a second interface area and;
• providing a welding apparatus having a die;
• placing the first and second interface areas in the welding apparatus;
• activating the die to compress the planar members in the interface areas;
• and,
• applying sealing energy through the die forming a welded seam in the first interface area and a welded seam in the second interface area.

A method of making a medical container having opposed walls, the method comprising the steps of:

• providing a first wall comprising a first planar member having a first layer on a first substrate wherein peripheral edges of the first layer are located inwardly of peripheral edges of the first substrate, the peripheral edges of the first substrate defining a first peripheral flange;
• providing a second wall comprising a second planar member having a second layer on a second substrate wherein peripheral edges of the second layer are located inwardly of peripheral edges of the second substrate, the peripheral edges of the second substrate defining a second peripheral flange;
• positioning the walls in opposed relation wherein the first layer confronts the second layer to define a first interface area and the first peripheral flange confronts the second peripheral flange to define a second interface area;
• providing a welding apparatus having a die;
• placing the first and second interface areas in the welding apparatus;
• activating the die to compress the walls in the interface areas;
• and,
• applying sealing energy through the die forming a welded seam in the first interface area and a welded seam in the second interface area.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area;
• a second wall of a second multi-layered polymeric material, the second multi-layered material having a second substrate and a second layer disposed on at least a portion of the second substrate to define separately a second overlap area and second peripheral flange adjacent the second overlap area;
• a first seam attaching a portion of the first overlap area to a portion of the second overlap area, wherein the first seam comprises a linking section and a bonding section;
• and,
• a second seam separate from the first seam and attaching a portion of the first peripheral flange to a portion of the second peripheral flange.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first outer substrate and a first inner layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area;
• a second wall of a first polymeric material;
• a first seam attaching a portion of the first inner layer to the second wall;
• and,
• a second seam spaced from the first seam and attaching a portion of the first wall peripheral flange to the second wall.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area;
• a second wall of a second multi-layered polymeric material, the second multi-layered material having a second substrate and a second layer disposed on at least a portion of the second substrate to define separately a second overlap area and second peripheral flange adjacent the second overlap area;
• a first seam attaching a portion of the first overlap area to a portion of the second overlap area, wherein the first layer confronts the second layer defining an interior of the container;
• and,
• a second seam separate from the first seam and attaching a portion of the first peripheral flange to a portion of the second peripheral flange.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first outer substrate and a first inner layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area;
• a second wall of a first polymeric material;
• a first seam attaching a portion of the first overlap area to the second wall wherein the first outer substrate defines an outermost peripheral edge of the container;
• and,
• a second seam spaced from the first seam and attaching a portion of the first wall peripheral flange to the second wall.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area, the first layer defining a noncontinuous inner surface and the first substrate defining a continuous outer surface;
• a second wall of a first polymeric material;
• a first seam attaching a portion of the first overlap area to the second wall;
• and,
• a second seam spaced from the first seam and attaching a portion of the first wall peripheral flange to the second wall.

A container suitable for medical uses comprising:

• a first wall of a first multi-layered polymeric material, the first multi-layered material having a first substrate and a first layer disposed on a portion of the first substrate to define separately a first overlap area and a first peripheral flange adjacent the first overlap area;
• a second wall of a first polymeric material;
• a first seam attaching a portion of the first overlap area to the second wall, the first seam extending around substantially an entire periphery of the container;
• and,
• a second seam spaced from the first seam and attaching a portion of the first wall peripheral flange to the second wall, the second seam extending around substantially an entire periphery of the container.