Method and apparatus for steam lamination

Details Method and apparatus for steam lamination Method and apparatus for steam lamination

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

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