| 摘要 |
A unitary-formed insulation jacket molded to be slidingly engaged around an exterior surface of a conventional baking oven muffle and a method of manufacturing the same. The insulation jacket is vacuum-formed from a slurry that includes high temperature refractory fibers, organic and inorganic binders and filler materials. The insulation jacket has a top wall, a bottom wall, opposing side walls and a rear wall that are substantially continuous and free of joints with each other. The top, bottom, sides and rear walls surround and define an interior cavity which is complementary shaped and sized to tightly fit around the exterior surface of the oven muffle. The walls of the insulation jacket are formed so as to be between ¼ inch and 2 inches thick and preferably are all 1 inch thick. The jacket may be provided with openings in any one of the walls which are complementary positioned to receive components, such as wiring that extends outwardly away from the exterior surface of the muffle, therethrough.
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