Tear-open mailing envelope

Details Tear-open mailing envelope Tear-open mailing envelope

B - Operations, Transporting

65

D

93/12, 220/37, 9

B65D 27/38 (2006.01)

Patent

CA 2037964

Abstract of the Disclosure A mailing envelope of tear-resistant sheetstock can be easily torn open by forming a pair of closely spaced parallel cuts through the sheetstock and bonding over the cuts a length of reinforcing tape that has good resistance to impact, good longitudinal tensile strength, and readily tears longitudinally while being highly resistant to transverse tearing. When the reinforcing tape is bonded to an inner surface of the envelope and is cut at one end coincident with the cuts in the envelope, that end of the tape serves as a pull tab by which a strip of the tape can be pulled through the envelope to open it between said parallel cuts.

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