Abstract: A fastener for a reclosable container is constructed of a biodegradable material. The fastener includes two tracks that interlock to close the container. The fastener may include flanges to prevent damage to other portions of the container. The material may contain a small percentage of starch to permit the fastener to biodegrade within a few years after the container has been discarded. The remainder of the container may also be constructed of a biodegradable material.

Abstract: A reclosable plastic bag includes a pouch and first and second extruded fastener members heat sealed or welded thereto. One of the fastener members is provided with a plurality of standoffs in a flange area providing spaces between it and the opposing flange of the opposing fastening member to permit heat sealing or welding of the fastener members to the respective sidewalls of the pouch without inadvertently heat sealing or welding the flanges of the opposing fastener members together.

Abstract: A polypropylene closure arrangement for flexible packages comprises a blend having a polypropylene random copolymer as a base resin with a flexible modifier, and a slip component. The polypropylene closure arrangement 10, 110 is sufficiently flexible to be extruded and coiled around guide wheels similar to the fusion process of a polyethylene closure arrangement. The polypropylene closure arrangement in accordance with the present invention has the ability to be fusibly attached to a polypropylene film or other fusibly compatible thermoplastic material launch conditions.

Abstract: A polypropylene closure arrangement for flexible packages comprises a blend having a polypropylene random copolymer as a base resin with a flexible modifier, and a slip component. The polypropylene closure arrangement 10, 110 is sufficiently flexible to be extruded and coiled around guide wheels similar to the fusion process of a polyethylene closure arrangement. The polypropylene closure arrangement in accordance with the present invention has the ability to be fusibly attached to a polypropylene film or other fusibly compatible thermoplastic material launch conditions.

Abstract: A reclosable plastic bag includes a pouch and first and second extruded fastener members heat sealed or welded thereto. One of the fastener members is provided with a plurality of standoffs in a flange area providing spaces between it and the opposing flange of the opposing fastening member to permit heat sealing or welding of the fastener members to the respective sidewalls of the pouch without inadvertently heat sealing or welding the flanges of the opposing fastener members together.