Shaping electrostatically spun fibres

Details Shaping electrostatically spun fibres Shaping electrostatically spun fibres

B - Operations, Transporting

29

D

18/500

B29D 23/00 (2006.01) D04H 1/56 (2006.01)

Patent

CA 1133211

ABSTRACT OF THE DISCLOSURE SHAPING PROCESS A process for setting in a desired shape a product at least a portion of which comprises electrostatically spun fibres is disclosed. The process comprises maintaining the product in the desired shape at a temperature below the melding temperature of the electrostatically spun fibres. The desired shape may be the as-spun shape of the product or a shape obtained by deformation of the product, i.e. the product is reshaped. The fibres preferably comprise a polyurethane and reshaping is preferably effected on a former. The reshaped product may be employed as a vascular prosthesis.

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