Patent ID: 6557620
Filing Date: 2003-05-06
Classification: B22D,F24H

Abstract:
An attachment apparatus for a heater for attaching said heater, which is configured in an almost annular shape, to an external peripheral portion of a heated member of a cylindrical or column shape, comprising:an outer cover configured in the same annular shape as said heater in its side view and cut at a circumferential portion thereof to form opposite circumferential end portions, said outer cover is capable of being disposed adjacent the heater; a pair of stop metal members fixed near said circumferential end portions of said outer cover and a spring, both end portions of said spring engaged with said stop metal members in a state being pulled by said stop metal members with a predetermined tension, respectively, said opposite circumferential end portions of said outer cover are attracted to each other and so said heater is elastically adhered to the external peripheral portion of said heated member, wherein said spring is separated from said outer cover by a predetermined length outward in a radial direction.