An over-moulded ferrule capillary with an octagonal collar for connecting optical fibres is the subject of US Patent 6 203 209, assigned to Whittaker Corp of Wilmington, Delaware, USA.
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According to the Patent, the geometry of the invention's connecting mechanism is independent of the ferrule. This may comprise a precision female capillary and a fibre retention and alignment mechanism held by a ferrule base.
The new arrangement has a polygonal over-moulded base that resists rotational displacement when subjected to a force of at