Patent ID: 6814803
Filing Date: 2004-11-09
Classification: B05C,B29C

Abstract:
A micro-extruder, comprising:(a) a funnel shaped tip piece defining a front aperture, through which wire is drawn, and a front rim, around which extrudate flows, said front rim having an outer diameter of about 3.8 mm (150 mils) or less; (b) a structurally unitary cross-head body having a front aperture and a protruding rim about said front aperture of said structurally unitary cross-head body, said funnel shaped tip piece protruding through said front aperture of said structurally unitary cross-head body; and (c) a die having a surface defining an aperture that is adapted and positioned to abut said protruding rim and to form a seal against said protruding rim, so that substantially no extrudate may leak out between said surface defining an aperture and said protruding rim.