Brush head for facial skin cleaning

Abstract

Provided is a brush head for cleaning a surface of skin of a face. Tip-end-curved bristle bundles and tapered bristle bundles are implanted in a plurality of implantation holes of an implantation base portion so that the tip-end-curved bristle bundles and the plurality of tapered bristle bundles have the same height. The tip-end-curved bristle bundles are implanted in implantation holes at an outermost peripheral part of the implantation base portion, and form an outer-peripheral tip-end-curved-bristle bundle group. The tapered bristle bundles are implanted in implantation holes in an inner region relative to the outer-peripheral tip-end-curved-bristle bundle group, and form an inner tapered-bristle bundle group. The inner tapered-bristle bundle group includes a center tapered-bristle bundle row formed of ones of the tapered bristle bundles, the ones being implanted in implantation holes on a center cross line that crosses a center of the inner region, and other ones of the tapered bristle bundles than the ones forming the center tapered-bristle bundle row and the tip-end-curved bristle bundles are implanted in a symmetrical arrangement on both sides relative to the central cross line.

1 . A brush head for facial skin cleaning for cleaning a surface of skin of a face,
 the brush head comprising:
 an implantation base portion including a front portion and a rear portion; and 
 a plurality of bristle bundles formed by bundling a plurality of bristles and implanted in a plurality of implantation holes formed in the front portion of the implantation base portion, wherein 
   the plurality of bristle bundles include:
 a plurality of tip-end-curved bristle bundles formed by bundling a plurality of tip-end-curved bristles each including a tip end portion having a protruding curved surface; and 
 a plurality of tapered bristle bundles formed by bundling a plurality of tapered bristles each including a tapered part reduced in cross-sectional area toward a tip end portion, 
   the plurality of tip-end-curved bristle bundles and the plurality of tapered bristle bundles are implanted in the plurality of implantation holes in the front portion in such a manner that the plurality of tip-end-curved bristle bundles and the plurality of tapered bristle bundles have a same height,   the plurality of tip-end-curved bristle bundles
 are implanted in a plurality of outer-peripheral implantation holes provided along a peripheral part of the front portion of the implantation base portion, and 
 form an outer-peripheral tip-end-curved-bristle bundle group, 
   the plurality of tapered bristle bundles
 are implanted in a plurality of inner implantation holes provided in an inner region relative to the plurality of outer-peripheral implantation holes around the inner region in the front portion of the implantation base portion, and 
 form an inner tapered-bristle bundle group, 
   the plurality of tapered bristle bundles comprises
 a plurality of first tapered bristle bundles being implanted in a plurality of center-row implantation holes provided on a center cross line that crosses a center of the inner region, and 
 a plurality of second tapered bristle bundles, 
   the inner tapered-bristle bundle group includes a center tapered-bristle bundle row formed of the plurality of first tapered bristle bundles, and   the plurality of second tapered bristle bundles and the plurality of tip-end-curved bristle bundles are implanted in a symmetrical arrangement on both sides relative to the central cross line.   
     
     
         2 . The brush head for facial skin cleaning according to  claim 1 , wherein
 in the inner region at a central part of the front portion of the implantation base portion, four to ten central implantation holes are provided in the symmetrical arrangement at two to five locations each on both the sides relative to the central cross line, and   the plurality of tip-end-curved bristle bundles
 are implanted in the four to ten central implantation holes, and 
 form center tip-end-curved-bristle bundle groups in such a manner that the center tapered-bristle bundle row is sandwiched between the center tip-end-curved-bristle bundle groups. 
   
     
     
         3 . The brush head for facial skin cleaning according to  claim 1 , wherein the plurality of tip-end-curved bristle bundles and the plurality of tapered bristle bundles are implanted in a symmetrical arrangement on both sides relative to a perpendicular center-cross line that crosses the center of the inner region and that is perpendicular to the center cross line. 
     
     
         4 . The brush head for facial skin cleaning according to  claim 2 , wherein the plurality of tip-end-curved bristle bundles and the plurality of tapered bristle bundles are implanted in a symmetrical arrangement on both sides relative to a perpendicular center-cross line that crosses the center of the inner region and that is perpendicular to the center cross line. 
     
     
         5 . The brush head for facial skin cleaning according to  claim 1 , wherein the plurality of tip-end-curved bristle bundles and the plurality of tapered bristle bundles are each implanted to have a height of 12.5 to 16 mm. 
     
     
         6 . The brush head for facial skin cleaning according to  claim 2 , wherein the plurality of tip-end-curved bristle bundles and the plurality of tapered bristle bundles are each implanted to have a height of 12.5 to 16 mm. 
     
     
         7 . The brush head for facial skin cleaning according to  claim 1 , wherein the implantation base portion includes the front portion and the rear portion each having one of a circular shape and an elliptical shape. 
     
     
         8 . The brush head for facial skin cleaning according to  claim 2 , wherein the implantation base portion includes the front portion and the rear portion each having one of a circular shape and an elliptical shape. 
     
     
         9 . The brush head for facial skin cleaning according to  claim 1 , wherein the plurality of tip-end-curved bristles each have a protruding curved surface formed of a spherical portion at a tip end portion of a corresponding one of the plurality of tip-end-curved bristles. 
     
     
         10 . The brush head for facial skin cleaning according to  claim 2 , wherein the plurality of tip-end-curved bristles each have a protruding curved surface formed of a spherical portion at a tip end portion of a corresponding one of the plurality of tip-end-curved bristles. 
     
     
         11 . The brush head for facial skin cleaning according to  claim 1 , the brush head being joined integrally to one end portion of a handle portion, and used as a part of a tool for facial skin washing. 
     
     
         12 . The brush head for facial skin cleaning according to  claim 2 , the brush head being joined integrally to one end portion of a handle portion, and used as a part of a tool for facial skin washing.