Jet tip for airless spray gun

By incorporating a removable inserter and O-ring within the handle of the spray tip, the problems of easy loss and difficult positioning of piston seals during replacement are solved, enabling convenient positioning and safe retention of piston seals, thus improving the ease of operation and safety of the spray tip.

CN122138871APending Publication Date: 2026-06-02EXETER FLEX PLC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
EXETER FLEX PLC
Filing Date
2024-11-08
Publication Date
2026-06-02

AI Technical Summary

Technical Problem

The piston seal is prone to loss, contamination, and positioning difficulties during the replacement of the spray tip, especially when operating in unclean environments. Furthermore, the piston seal inserter is difficult to separate from the nozzle carrier retainer in the existing design.

Method used

A jet tip is designed, comprising a handle and a nozzle carrier. The handle has a hollow compartment containing a removable inserter. One end of the inserter is used to receive and retain the piston seal, and the other end has a grip. The inserter is separate from the nozzle carrier and is equipped with an O-ring and a support to maintain the position of the piston seal.

Benefits of technology

It simplifies the positioning and retention of the piston seal, avoids contamination, ensures that the piston seal is not lost when replacing the spray tip, and improves the convenience and safety of operation.

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Abstract

This invention generally relates to fluid jetting systems. More specifically, the invention relates to a jetting tip for defining a jet pattern at the nozzle of a spray gun. Therefore, a jetting tip comprising a handle and a nozzle carrier is proposed, the handle including a hollow compartment, the jetting tip further including a removable insert partially inserted into the compartment, one end of the insert being shaped to receive and retain a piston seal, and the other end including a gripping portion.
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