F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
38/12, 25/88
F27B 9/16 (2006.01) F27B 9/02 (2006.01)
Patent
CA 1294125
ABSTRACT OF THE DISCLOSURE Apparatus is provided for heating metal, ceramic and similar material charges to high temperatures at a fast rate, and for moving the charges through heating and process operations, and for controlling the temperatures of preheated charges and protecting the charges against contamination as they are moved through process operations. Such apparatus includes: a charge enclosing heated enclosure body having two or more separate sections; an internal wall in the enclosure body sections that has an internal cavity having a configuration shaped to hold a desired charge configuration; heating means for the internal cavity wall to heat it to desired temperature; the body being openable to receive a charge or allow transfer to a next step; the body being closable to enclose the charge; the body sections being movable horizontally and vertically as required to move the charge and carry out process operations; an internal protective atmosphere around the charge; the body having associated interior insulation to reduce heat loss to the outside surfaces and allow close temperature control; and mechanisms to open and close and move the heated body sections to allow receiving, holding and transferring of the charge. Such apparatus also includes new and useful structure and improvements producing substantial advantages for heating and processing an increased range of material and product forms. The new and useful structure and improvements include: improved structure for entering charges into a heating system with minimum loss from the system of protective gas atmosphere, and with minimum atmosphere contamination; novel structure for discharging heated charges under controlled condition, from a heating system with minimum loss of protective gas atmosphere; mechanisms for handling multiple products to increase the production capacity of a system; and apparatus for conveniently changing heating and handling components in a system to allow efficient production operations with a variety of product forms.
568255
Gowling Lafleur Henderson Llp
Hailey Robert W.
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