Methods for reinforcing thin-walled, flexible tubing using pressurized fluids which have excellent mechanical integrity, including burst-strength. The methods comprise pressurizing a tubular conduit with pressurized fluid followed by applying reinforcing means to the conduit....http://www.google.ca/patents/US5371934?utm_source=gb-gplus-sharePatent US5371934 - Process for making reinforced, thin-walled tubing
