Patent ID: 9527092
Filing Date: 2016-12-27
CPC Classification: B05B,B65D

Claim Text:
1. A nozzle hole mechanism used in a spray product which sprays a concentrate by pressurizing, comprising: a nozzle hole discharging the concentrate into an atmosphere, a front swirl chamber supplying the concentrate to the nozzle hole, and a path supplying the concentrate to the front swirl chamber, wherein the front swirl chamber and the spray nozzle are located on the same axis, wherein the front swirl chamber is equipped with a front chamber having a columnar shape which communicates with the nozzle hole and a back chamber having a tubular shape, where each of a diameter of the front chamber and a diameter of the back chamber is larger than a diameter of the nozzle hole, where the front chamber and the back chamber are lined up coaxially, and wherein the path is equipped with a groove path which is formed so as to contact an outer circumference of the back chamber of the front swirl chamber and which communicates with the front swirl chamber so that the concentrate supplied to the front swirl chamber swirls in one direction in the back chamber of the front swirl chamber, an annular space where a diameter is lager than the diameter of the back chamber of the front swirl chamber, a back groove path supplying the concentrate to the annular space, a back swirl chamber supplying the concentrate to the back groove path, and a communicating hole supplying the concentrate to the back swirl chamber, wherein the back groove path is provided so as to contact an outer circumference of the back swirl chamber, wherein a depth of the groove path is the same as or smaller than a depth of the back chamber, and wherein the back swirl chamber is equipped with a back chamber having a columnar shape and a front chamber having a tubular shape, where the front chamber and the back chamber are lined up coaxially, and where a front side of the front chamber is opened to be communicated with the annular space.