B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 5/28 (2006.01) D04H 5/06 (2006.01) D04H 13/00 (2006.01) D04H 3/14 (2006.01) D04H 1/54 (2006.01)
Patent
CA 2249627
The invention concerns a method for making composite sheets consisting in: introducing continuously at least one yarn layer, this layer comprising at least two materials having different melting points, in a zone where it is heated at a temperature ranging between said melting points and less than the degradation temperature of the material having the lower melting point; passing over the layer at least a turning bar heated at a temperature ranging between said melting points and less than the degradation temperature of the material with the lower melting point; compressing the layer as it comes out of the bar or bars and cooling it so as to form a composite strip; collecting the strip in the form of one or several composite layers. The invention also concerns a device for implementing the method as well as the resulting products.
The invention concerns a method for making composite sheets consisting in: introducing continuously at least one yarn layer, this layer comprising at least two materials having different melting points, in a zone where it is heated at a temperature ranging between said melting points and less than the degradation temperature of the material having the lower melting point; passing over the layer at least a turning bar heated at a temperature ranging between said melting points and less than the degradation temperature of the material with the lower melting point; compressing the layer as it comes out of the bar or bars and cooling it so as to form a composite strip; collecting the strip in the form of one or several composite layers. The invention also concerns a device for implementing the method as well as the resulting products.
Debalme Jean-Paul
Loubinoux Dominique
Saint-John Charles
Voiron Jacques
Goudreau Gage Dubuc
Vetrotex France
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