F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
307/32
F27B 5/14 (2006.01) B21J 17/02 (2006.01) F27B 17/00 (2006.01) F27D 11/02 (2006.01) F27D 19/00 (2006.01)
Patent
CA 1087236
ABSTRACT A slot furnace for heating steel to forging tempera- tures includes a housing lined with refractory material and a refractory hearth all defining a chamber in the housing for receiving and heating forging stock. A slot is located at the front of the housing adjacent the hearth in communication with the chamber through which forging stock is inserted and withdrawn. Electrical heating elements are provided at either side of the chamber inwardly of the side walls of the chamber. The ceiling that defines the top of the chamber protrudes inwardly between the elements and above the slot. Means are provided for connecting the heating elements to an electrical power source. A temperature sensor is provided in the chamber adjacent the hearth and means connected to the sensor are provided for controlling the electrical power applied to the elements in response to the sensor.
294261
Klein Tools Inc.
Macrae & Co.
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