Plastic safety envelope for e.g. document, has cutting line forming reusage opening that provides access to inner volume of envelope, and safety adhesive positioned in manner to cover reusage opening after removal of protecting cover

摘要

The envelope (1) has superposed sheets (2, 3) made up of flexible plastic material assembled together on their longitudinal edges and transverse edges (6, 7) by welding in a manner to form an inner volume (10) accessible by an origin opening (9). A safety adhesive (13) includes an adhesive film covered by a protecting cover. A cutting line (21) forms a reusage opening providing access to the inner volume of the envelope. Another safety adhesive (24) is positioned in a manner to cover the reusage opening after removal of the protecting cover.