Plastic and nonmetallic article shaping or treating: processes – Carbonizing to form article – In specific atmosphere
Patent
1991-04-18
1992-06-23
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
Carbonizing to form article
In specific atmosphere
53427, 53432, 53440, 264101, 2642975, 4234477, 423449, B29C 7102, C01B 3102
Patent
active
051240920
ABSTRACT:
The baking or heat treating of products, which must take place at an extremely high temperature and under a strict non-oxidizing inert furnace atmosphere, is advantageously made by conveying the products into the furnace atmosphere only after having the products vacuum-packed in resinous films or bags, thereby to prevent oxygen, vapor, and the like, which might be trapped on or in the products, from entering into and contaminating the furnace atmosphere, and also in order to eliminate various apparatus which otherwise is required by conventional baking methods, such as vacuum chambers, bulky and thermal energy-wasting conveyor trays, and the like.
REFERENCES:
patent: 2376760 (1945-05-01), Elsey
patent: 3308943 (1967-03-01), Davila
patent: 5055243 (1991-10-01), Takahashi
Kanto Yakin Kogyo Kakushiki Kaisha
Tentoni Leo B.
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