Thin walled tubing formed of a melt spinnable synthetic polymer having a flow-through cross-section amounting to 30 to 95% of the total tubular cross-section and a breaking elongation of less than 100% prepared by melt spinning a synthetic polymer so as to form a tube and then drawing off the tube thus...http://www.google.es/patents/US4305983?utm_source=gb-gplus-sharePatente US4305983 - Thin walled tubing formed of a melt spinnable synthetic polymer and process for the manufacturing thereof
Thin walled tubing formed of a melt spinnable synthetic polymer and process ...
