A water stopping configuration of linear members, includes a liquid water stopping material which is cured after the liquid water stopping material is penetrated into interstices between the linear members bundled together. The water stopping material is a magnetic fluid. The water stopping material...http://www.google.fr/patents/US8076572?utm_source=gb-gplus-shareBrevet US8076572 - Water stopping configuration of linear members and method of water stopping the linear members
Water stopping configuration of linear members and method of water stopping ...