B - Operations – Transporting – 65 – D
Patent
B - Operations, Transporting
65
D
B65D 41/00 (2006.01) B29C 65/00 (2006.01) B29C 65/06 (2006.01) B29C 65/14 (2006.01) B32B 27/06 (2006.01) B65D 51/20 (2006.01)
Patent
CA 2042822
43532 CAN 7A ABSTRACT OF THE DISCLOSURE Innerseal comprising a heat-sealable layer, wherein heating by microwave energy is employed to soften the heat-sealable layer, thereby allowing it to be bonded to the lip of a container. Innerseals of this invention require a layer of polymeric material capable of being heat-sealed to the lip of a container and a layer formed of material capable of absorbing microwave energy, converting that energy to heat, and transferring that energy, either directly or indirectly, to the layer of heat-sealable polymeric material.
Christensen Leif
Han Hak-Rhim
Lepere Pierre H.
Minnesota Mining And Manufacturing Company
Smart & Biggar
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