Spray button

摘要

A spray button which is capable of spraying a content widely and decreasing the diameter of a sprayed particle. In the spray button comprising a spray button body and a nozzle body and having a rotation chamber, a spray orifice, and a plurality of spray grooves, assuming a diameter of the rotation chamber to be (D), a diameter of the spray orifice to be (Da), a width of a connection portion with the spray grooves and the rotation chamber to be (Dd), and a length from a stem-side sidewall of the nozzle body to a tip of the spray orifice to be (L), the relationships of D/Da>1, D/Dd≧5, D/L≧3 are satisfied.

主权项

1. A spray button made from plastic and suitable for an aerosol container using compressed gas as a spraying agent, the spray button comprising:
a rotation chamber; a spray orifice; and a plurality of spray grooves, wherein when a diameter of the rotation chamber is denoted by D, a diameter of the spray orifice is denoted by Da, a width of a connection portion of each of the spray grooves and the rotation chamber is denoted by Dd, and a length from a stem-side sidewall of a nozzle body to a tip of the spray orifice is denoted by L, the following relationships are satisfied; (i) D/Da>1; (ii) D/Dd≧5; and (iii) D/L≧3, (iv) wherein the length L from the stem-side sidewall of the rotation chamber to the tip of the spray orifice is equal to or less than 0.6 mm, (v) wherein a land length La of the spray orifice is equal to or greater than 0.1 mm and less than 0.3 mm, (vi) wherein the diameter D of the rotation chamber is 1.5 mm to 3.0 mm.