The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 26, 2025
Filed:
Nov. 23, 2022
Pro-iroda Industries, Inc., Taichung, TW;
Wei-Long Chen, Taichung, TW;
PRO-IRODA INDUSTRIES, INC., Taichung, TW;
Abstract
A torch head includes a head body portion and a nozzle system inserted into the head body portion. The nozzle system includes a suction seat, an inner tube, and an outer tube. The suction seat includes a first outer channel extending longitudinally and at least one side channel extending radially. The first outer channel and the at least one side channel are not connected with each other. The inner and the outer tubes are connected to the second end of the suction seat. The outer tube circumferentially surrounds the inner tube. The first outer channel is opened to and communicated with the outer tube. The at least one side channel is opened to and communicated with the inner tube. The inner tube has an end opened to and communicated with the outer tube.