Substrate for core and tubewinding
OwnerPeter D. Pierceinventor
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Abstract
An apparatus and method for manufacturing a core or tube. The apparatus comprises a means for reactivating an adhesive present on at least one surface of at least one ply.
Claims24
A method for preparing a core or tube comprising reactivating an adhesive present on at least one surface of at least one ply, bringing the reactivated adhesive present on said at least one surface of said one ply together with at least one surface of a second ply whereby said surface of said at least one ply is bonded to said surface of said second ply, wherein the reactivatable adhesive comprises, as an energy absorbing ingredient, a polymer.
A method for preparing a core or tube comprising bringing a reactivatable adhesive present on at least one surface of one ply together with at least one surface of a second ply and reactivating the adhesive present between said first and second ply, whereby said surface of said at least one ply is bonded to said surface of said second ply, wherein the reactivatable adhesive comprises, as an energy absorbing ingredient, a polymer.
An apparatus for manufacturing a core or tube comprising a means for reactivating an adhesive, said means comprising a source of ultrasonic energy.
Dependencies are inferred from the claim text.