초록 ▼

A thermoplastic bag characterized by having handles formed on opposite ends of the bag mouth which is characterized by having structural features immediately adjacent the mouth of the bag to provide stress relief at those positions on the bag mouth where maximum stress is concentrated when such bags

A thermoplastic bag characterized by having handles formed on opposite ends of the bag mouth which is characterized by having structural features immediately adjacent the mouth of the bag to provide stress relief at those positions on the bag mouth where maximum stress is concentrated when such bags are being filled with product and eventually carried by the user. The stress redistribution feature is characterized by an area or areas, immediately adjacent the mouth portion of the bag and the base of the handle members, which are characterized by having a plurality of narrow pleats which are impressed into the bag structure by die members during formation of the individual bag.

대표청구항 ▼

A thermoplastic bag structure having front and rear walls, a pair of spaced upwardly extending handle members formed integrally with said front and rear walls, an open mouth portion between said handles, and a plurality of upwardly extending pleats formed in said front and rear walls, said pleats be

A thermoplastic bag structure having front and rear walls, a pair of spaced upwardly extending handle members formed integrally with said front and rear walls, an open mouth portion between said handles, and a plurality of upwardly extending pleats formed in said front and rear walls, said pleats being located at least transverse the lower inner portion of each of said handle members and said mouth portions immediately adjacent said lower inner portions of said handle members.