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:
Dec. 22, 2020
Filed:
Jul. 12, 2018
Maintech Co., Ltd., Tokyo, JP;
MAINTECH CO., LTD., Tokyo, JP;
Abstract
[Problem] To provide a nozzle cap that hardly causes clogging in the nozzle hole even when used for a long time, a nozzle device having such a nozzle cap and a spraying method of a chemical solution. [Solution] The present invention relates to a nozzle capto be used for a nozzle device for spraying a chemical solution to wet paper, wire, felt, press rollers, dryer rollers, canvas or guide rollers in a paper machine, which is provided with: an air cap partthat is provided with a first base parthaving a cylinder shape with a lid, with a nozzle holeformed on the first base part; and a liquid cap partthat is provided with a second base parthaving a disc-shape and a protruding partthat is formed on the second base part, and in this structure, a plurality of chemical solution spraying air holesare formed on the second base part, and into a space part S formed between the first base partand the second base part, with the first base partand the second base partbeing fitted to each other, a chemical solution is flowed from the protruding part, and air is also flowed in from the chemical solution spraying air holesso that the chemical solution from the nozzle holesis sprayed by the air, and the lid parthas a lower surface having a plane shape so that the air flowed in from the chemical solution spraying air holesare made to collide with the lower surface of the lid partthrough the space part S.