A method of welding at least two layers of a thin thermoplastic polyurethane elastomer (10A, B) to form a weld seam (12) to produce polyurethane barrier products such as, but not limited to, gloves (20), condoms (30), inflatable catheter balloon cuffs (48A, B), ostomy pouches (50), organ bags (60), and...http://www.google.de/patents/US5644798?utm_source=gb-gplus-sharePatent US5644798 - Polyurethane glove of welded polyurethane film
