Patent ID: 7278851

Claim:
A model and die system, comprising: a tapered pin; said tapered pin having a tapered main body; said tapered main body having a leading end and a trailing end, said leading end having a smaller diameter than said trailing end; said tapered pin having a reduced diameter section, formed integrally with said trailing end of said tapered main body, said reduced diameter section having a taper substantially equal to and in the same direction as the taper of said tapered main body; said tapered pin having an annular ramp, formed integrally with a trailing end of said reduced diameter section, said annular ramp having a taper greater than the taper of said tapered main body and said reduced diameter section and said annular ramp taper being in the same direction as said taper of said tapered main body and said reduced diameter section; and said tapered pin having a rim, formed integrally with a trailing end of said annular ramp, said rim having a taper substantially equal to the taper of said tapered main body and said reduced diameter section and said taper of said rim being in the same direction as the taper of said tapered main body, said reduced diameter section, and said annular ramp.