Claims
- 1. An elongate continuous atmosphere furnace for heat treatment including aluminum brazing which comprises an elongated heating space extending in a longitudinal direction of the furnace and formed by walls made of carbonaceous refractory materials, and metallic outer shells surrounding the walls with insulation positioned between the walls and outer shells and hermetically sealing the heating space from air.
- 2. The furnace as defined in claim 1, which further comprises heating elements in the furnace, parts of which are hermetically fitted to the outer shells, and wherein the elongated heating space is made of carbonaceous refractory plates, those of which laid at the bottom of the space forming a hearth cut transversely to the longitudinal direction of the furnace and divided into a desired number of pieces.
Parent Case Info
This application is a division of my co-pending application Ser. No. 09/135,450, which was filed Aug. 17, 1998.
US Referenced Citations (5)
Divisions (1)
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Number |
Date |
Country |
Parent |
135450 |
Aug 1998 |
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