B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
154/39, 154/84
B32B 37/00 (2006.01) C09J 5/06 (2006.01)
Patent
CA 1341059
Two sheets of material (42 and 43) are laminated together using a heat-activatable or moisture-curing adhesive by: a) forming a layered composite of the material with a layer of the adhesive in between; b) passing steam (lines 21, holes 17) (preferably superheated) through one sheet of material (43) into the adhesive layer; c) compressing the heated composite (between rollers 13 and 39) before the adhesive sets; d) releasing the pressure on the composite; and e) allowing the adhesive to fully cure. A laminating machine is disclosed that pulls the composite between two open weave belts (10 and 11) past narrow jets of the steam.
546407
Elliott George M.
Howell George W.
Watford Ervin Lee Jr.
Astechnologies Inc.
Osler Hoskin & Harcourt Llp
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