According to the present invention a coding plate is interspersed between first and second respective inlet and outlet cross over nozzle parts. The cooling plate engages ends of the cross over nozzles during mould filling and provides a melt transfer passage therebetween. Once the mould is filled, the...http://www.google.es/patents/US6910877?utm_source=gb-gplus-sharePatente US6910877 - Anti-drool sprue gated cross over nozzle
