Bubble-forming nozzle plate for bubble blower toy

Abstract

A bubble-forming nozzle plate fastened to one end of a blower tube of a bubble blower toy is disclosed, having a front wall adapted for adhering a bubble fluid, a back wall facing the air passage defined in the blower tube and a plurality of jet nozzles cut through the front wall and the back wall in communication with the air passage defined in the blower tube. The jet nozzles have a minimum cross sectional area within the range of 0.07 mm 2 ˜7.07 mm 2 .

1 . A bubble-forming nozzle plate fastened to a blower tube of a bubble blower toy at one end of an air passage defined in said blower tube, comprising opposing front wall and back wall and a plurality of jet nozzles cut through said front wall and said back wall in air communication with the air passage defined in said blower tube, said front wall being adapted for adhering a bubble fluid, said back wall facing said air passage, said jet nozzles having a minimum cross sectional area within the range of 0.07 mm 2 ˜7.07 mm 2 . 
     
     
         2 . The bubble-forming nozzle plate as claimed in  claim 1 , wherein each said jet nozzle comprises a passage and a guide wall extending from the border of said passage to said front wall. 
     
     
         3 . The bubble-forming nozzle plate as claimed in  claim 1 , wherein each said jet nozzle comprises a passage, a first guide wall extending from one end of said passage to said front wall and a second guide wall extending from an opposite end of said passage to said back wall. 
     
     
         4 . The bubble-forming nozzle plate as claimed in  claim 1 , wherein each said jet nozzle comprises two tapered guide walls respectively extending from said front wall and said back wall toward and connected to each other and reducing in diameter from said front wall and said back wall toward each other. 
     
     
         5 . The bubble-forming nozzle plate as claimed in  claim 1 , wherein said jet nozzles are tapered, having a diameter gradually reducing in direction from said front wall toward said back wall.