Resin applicator

Abstract

A resin applicator including a pair of transfer rings that are arranged so that transfer surfaces face each other via a clearance; at least one resin supply that supplies an ultraviolet cure resin to the transfer surfaces of the transfer rings; and at least one ultraviolet light source that supplies an ultraviolet ray to at least the clearance.

What is claimed is: 
     
         1 . A resin applicator comprising:
 a pair of transfer rings that are arranged so that transfer surfaces face each other via a clearance;   at least one resin supply that supplies an ultraviolet cure resin to the transfer surfaces of the transfer rings; and   at least one ultraviolet light source that supplies an ultraviolet ray to at least the clearance,   the resin applicator being configured so that:   an end part of a body to be transferred is arranged in the clearance;   the ultraviolet cure resin that is supplied from the resin supply to the transfer surfaces of the transfer rings is transferred from the transfer surfaces across a surface of the end part of the body to be transferred on one side, a side face of the end part thereof, and a surface of the end part thereof on another side at the same time as the transfer rings rotate; and   the ultraviolet cure resin, which is transferred, is cured by the ultraviolet ray from the ultraviolet light source, to continuously provide an insulating resin layer across the surface of the end part of the body to be transferred on the one side, the side face of the end part thereof, and the surface of the end part thereof on the other side.   
     
     
         2 . The resin applicator according to  claim 1 , wherein
 the transfer rings are transparent to an ultraviolet ray,   the resin applicator being configured so that ultraviolet ray emitted from the ultraviolet light source is transmitted through the transfer rings to reach the clearance.   
     
     
         3 . The resin applicator according to  claim 2 , further comprising:
 reflectors inside the transfer surfaces respectively, the reflectors reflecting the ultraviolet ray from the ultraviolet light source,   the resin applicator being configured so that the ultraviolet ray emitted from the ultraviolet light source is reflected by the reflectors, and is transmitted through the transfer rings to reach the clearance.   
     
     
         4 . The resin applicator according to  claim 3 , wherein
 the reflectors are continuously provided on concentric circles of the transfer rings inside the transfer surfaces respectively.   
     
     
         5 . The resin applicator according to  claim 1 , further comprising: a plurality of the ultraviolet light sources,
 the resin applicator being configured so that:   an ultraviolet ray emitted from a part of the ultraviolet light sources is transmitted through the transfer rings, to reach portions of the transfer surfaces, the portions not facing the clearance, and   the ultraviolet cure resin that is supplied from the resin supply to the transfer surfaces is precured by the ultraviolet ray from the part of the ultraviolet light sources on the transfer surfaces before the ultraviolet ray reaches the clearance.   
     
     
         6 . The resin applicator according to  claim 5 , wherein
 a wavelength of the ultraviolet ray emitted from the part of the ultraviolet light sources is different from a wavelength of an ultraviolet ray emitted from the rest of the ultraviolet light sources.   
     
     
         7 . The resin applicator according to  claim 5 , wherein
 the ultraviolet cure resin is material that is cured by being irradiated with ultraviolet light having at least  2  wavelengths.   
     
     
         8 . The resin applicator according to  claim 1 , wherein the transfer surfaces are made from polytetrafluoroethylene or silicon. 
     
     
         9 . The resin applicator according to  claim 1 , wherein the ultraviolet cure resin contains filler. 
     
     
         10 . The resin applicator according to  claim 1 , further comprising:
 at least one roller on a downstream side of the transfer rings, the roller assisting the body to be transferred in release from the transfer surfaces.   
     
     
         11 . The resin applicator according to  claim 1 , further comprising: a spacing mechanism for increasing and reducing the clearance. 
     
     
         12 . The resin applicator according to  claim 1 , wherein a notch is provided for at least one of the transfer rings. 
     
     
         13 . The resin applicator according to  claim 1 , wherein
 the transfer rings have conveyor belts respectively on surfaces thereof,   surfaces of the conveyor belts are the transfer surfaces, and   material of the surfaces of the conveyor belts is superior in releasability from the ultraviolet cure resin to material of a surface of the end part.