TEAR TAPE ADAPTED FOR COMPLETE SEALING OF PACKAGE OF OVERWRAP

摘要

A packaged product includes an overwrap material wrapped around the product and overlapped to form a seam bonded to prevent ingress of moisture and a tear tape to tear the overwrap material. The tear tape has a first pressure sensitive layer for bonding to the overwrap and a second laye r opposite the first having characteristics such that it acts as a release coa t toinhibit bonding of the tear tape to itself and such that it acts to bond the substrate to the overwrap material. The second layer converts by heat from the release coat condition to the bonding condition by being absorbed into t he first sub-layer or by including a hard rough surface arranged to inhibit bon dingto the first layer which is melted.