A bend restrictor for an optical fibre cable comprises an elongate sleeve-like member (5) having an axial through bore for accommodating the cable (1a, 1b), and a coupling ring (6) for fixing the sleeve-like member to a rigid housing (4) from which the cable extends. The sleeve-like member (5) is provided...http://www.google.com/patents/US5081695?utm_source=gb-gplus-sharePatent US5081695 - Bend restrictor for optical fibre cable
