Patent ID: 7914277

Claim:
An injection machine nozzle heater housing for an injection machine having a barrel assembly that terminates at a forward end in an elongate cylindrical injection nozzle, comprising: a cylindrical heater body having a forward end and a rearward end; an axial bore extending through said heater body, said axial bore of a diameter that allows passage of an injection nozzle through said heater body; at least one heater bore extending longitudinally into said heater body from a rear face thereof, said at least one heater bore for receiving a removable cartridge heater; a thermocouple bore extending into said heater body, said thermocouple bore for receiving a removable thermocouple; and a cover plate adapted for attachment to said rear face of said heater body, said cover plate having an axial thru-bore for allowing passage of an injection machine nozzle into said heater body and adapted to cover said at least one heater bore and said thermocouple bore.