Bendable foam-covered rod-like articles and a method and apparatus for their production are described. The method involves feeding an adhesive coated flexible core to an extruder, which in turn extrudes a low density, closed cell foam sheath about the core. The core and sheath composite is then cut into...http://www.google.com.au/patents/US5875792?utm_source=gb-gplus-sharePatent US5875792 - Bendable foam covered rod-like article and method and apparatus for making same
