COUPLING TYPE DIES FOR MANUFACTURING ANNULAR SEAMLESS MOLDING, DIE UNIT CONSTITUTING COUPLING TYPE DIES, METHOD AND DEVICE FOR MANUFACTURING ANNULAR SEAMLESS MOLDING

摘要

PROBLEM TO BE SOLVED: To provide coupling type dies to produce an annular seamless molding with excellent productivity, a die unit constituting the coupling type dies, and provide a method and device for manufacturing the annular seamless molding.;SOLUTION: The coupling type dies constitute two or more die units 1 which are able to be coupled together and separated in the axial direction and coupled with each other, wherein the die surfaces are coated with a resin solution to serve for manufacturing the annular seamless molding, and each die unit 1 has a step part 5 bulging on the solution coated surface at one end about the axial direction, and also the end having a step and another end having no step are coupled together between adjoining die units. Besides the dies and die units described, the invention includes a manufacturing method for the annular seamless molding in which the resin solution is applied from one end continuously to the coupling type dies, wherein applying the resin solution takes place in such a manner that the end having step part is positioned downstream in the solution applying direction in each die unit. Further the invention includes a manufacturing device associated with the method described.;COPYRIGHT: (C)2009,JPO&INPIT