F - Mech Eng,Light,Heat,Weapons – 27 – B
Patent
F - Mech Eng,Light,Heat,Weapons
27
B
F27B 14/06 (2006.01) F27B 17/02 (2006.01) F27D 1/18 (2006.01) H05B 41/24 (2006.01) F27D 99/00 (2010.01)
Patent
CA 2193863
An electric furnace for heating a metallic material contained in a crucible (120) which is positioned on a base (114). The electric furnace includes a sleeve (100), an electric heating element (106) disposed on the inner surface of the sleeve, a removable lid (112) for covering a top opening of the sleeve (100) and at least one handle (118) disposed on the outer surface of the sleeve (100) to permit the sleeve (100) to be lifted and removed from or placed on the base (114). When the sleeve (100) is placed on the base (114) enclosing the crucible (120), the removable lid (112) is placed on the top opening of the sleeve (100) and an electric current is applied to the electric heating element (106), heat generated by the electric heating element (106) and retained in the furnace melts the material contained in the crucible (120).
Four électrique destiné à chauffer un matériau métallique se trouvant dans un creuset (120) placé sur une base (114). Ledit four comprend un manchon (100), un élément de chauffe électrique (106) placé sur la surface interne du manchon, un couvercle amovible (112) destiné à couvrir une ouverture supérieure du manchon (100) et au moins une poignée (118) placée sur la surface externe du manchon (100) pour permettre de soulever ledit manchon (100) et de l'enlever ou de le placer sur la base (114). Lorsque le manchon (100) est placé sur la base (114) et enferme le creuset (120), le couvercle amovible (112) est placé sur l'ouverture supérieure du manchon (100) et un courant électrique est appliqué à l'élément de chauffe électrique (106). La chaleur générée par l'élément de chauffe électrique (106) et retenue dans le four fait fondre le matériau contenu dans le creuset (120).
Beckley John P.
Smart & Biggar
LandOfFree
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