Patent ID: 8795020

Claim:
A bubble blower tube, comprising: a blower tube ( 1 ) comprising a mouthpiece at one end thereof, an outlet at an opposite end thereof; a check valve mounted in said outlet for allowing air to pass from said mouthpiece toward said outlet and prohibiting air from flowing through said outlet toward said mouthpiece; a bubble-forming tube comprising a connection end integrally connected to the periphery of said blower tube in a flush manner, a bubble-forming end shaped like a trumpet and suspending outside said outlet of said blower tube, a fluid storage chamber defined between said outer perimeter of the outlet of said blower tube and an inner perimeter of said bubble-forming tube, and an annular stop flange extending around an outer perimeter of said bubble-forming tube between said connection end and said bubble-forming end; and a bubble fluid retaining ring comprising an outer bubble fluid retaining part and an inner bubble fluid retaining part, said outer bubble fluid retaining part comprising a plurality of main bubble fluid retaining ribs and main bubble fluid grooves alternatively and radially arranged on an end edge of said bubble-forming end of said bubble-forming tube, said inner bubble fluid retaining part comprising a plurality of supplementary bubble fluid retaining ribs and supplementary bubble fluid grooves alternatively and axially arranged around an inner perimeter of said bubble-forming end of said bubble-forming tube, said supplementary bubble fluid grooves being respectively connected to said main bubble fluid grooves.