Trigger sprayer

WO2025251456A1PCT designated stage Publication Date: 2025-12-11BAGHERNEJAD HAMED
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Patent Information

Application Number
PCT/CN2024/119016
Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Priority Date
2024-06-07
Filing Date
2024-09-14
Publication Date
2025-12-11

AI Technical Summary

Technical Problem

Most existing hand-operated sprayers use stainless steel springs and metal beads, which makes them difficult to recycle and may produce harmful substances, affecting environmental protection and user health.

Method used

The device features an all-plastic construction, including plastic springs and plastic balls, ensuring easy recyclability and chemical resistance. All components are made of plastic.

Benefits of technology

This technology enables low-cost production of the equipment, facilitates recycling, and avoids the generation of harmful substances, thereby improving its environmental friendliness and safety.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN2024119016_11122025_PF_FP_ABST
    Figure CN2024119016_11122025_PF_FP_ABST
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Abstract

A trigger sprayer, comprising a gun body (5), a piston (9), and a connecting cap (10). The gun body (5) is fixedly mounted at the top of an inner cavity of the connecting cap (10), and the piston (9) is slidably mounted at the bottom of the inner cavity of the connecting cap (10). A plastic spring (7) is fixedly mounted at the top of an inner cavity of the gun body (5), a plastic ball (8) is snap-fitted into the bottom of an inner cavity of the piston (9), and a plastic straw (13) is fixedly mounted at the bottom of the piston (9). A plastic spring is provided in a trigger sprayer and works in conjunction with other structures in the trigger sprayer, so that the advantages of production cost reduction, ease of recycling, and producing no harmful substances are achieved.
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Citation Information

Patent Citations

  • Improved structure of hand-buckling minitype atomizer and using method thereof

    CN101875034A

  • Suction-pipe structure of manual sprayer

    CN1895791A

  • All-plastic emulsion pump with main column and piston integrally formed

    CN212333431U

  • Dispensing pump

    US20030047571A1

  • Full-Plastic Liquid Pump and Containing Container Having Same

    US20240042471A1