| 摘要 |
FIELD: household goods and personal effects; packaging materials. ^ SUBSTANCE: fastener consists of two profiles fabricated of a thermoplastic material and containing mutually complementary elements designed to be capable of sequentially interlocking with each other (when the bag is fastened up) and disjoining (when the bag is being unfastened to provide for convenient access to the contents). The above complementary elements are arranged on corresponding base plates with one of the base plates having shaped corrugations on its inside turned towards the other base plate. The other base plate may also contain shaped corrugations on its outside. ^ EFFECT: improved convenience and security of the bag usage. ^ 16 cl, 8 dwg |
