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Title:
SPRAYING ASSEMBLY
Document Type and Number:
WIPO Patent Application WO/2021/104519
Kind Code:
A1
Abstract:
A spraying assembly comprising an atomizer (100), a sprayer (300) and a rubber plug (200), wherein an atomizer inner cavity (110) and an atomizer channel (120) located below the atomizer inner cavity (110) are arranged inside the atomizer (100), the lower portion of the atomizer (100) comprises an atomizer end (130), at least one opening (131) is provided in the side wall of the atomizer end (130), the rubber plug (200) is located at the bottom end of the atomizer inner cavity (110), an umbrella-shaped boss (230) is arranged at the upper end of the rubber plug (200), an annular cavity (210) is provided between the lower end of the rubber plug (200) and the inner wall of the atomizer (100), at least one longitudinal notch (240) is provided in the rubber plug (200) in the circumferential direction, at least one notch (140) is provided in the bottom end of the atomizer inner cavity (110), the sprayer (300) comprises a nozzle (310), the atomizer end (130) of the atomizer (100) extends into a nozzle inner cavity of the nozzle (310), the at least one opening (131) in the atomizer end (130) enables the atomizer channel (120) of the atomizer (100) to be in communication with the nozzle inner cavity, an umbrella-shaped inner cavity (320) is provided in the bottom of the nozzle (310), and an outlet hole (321) is provided in the head center of the umbrella-shaped inner cavity (320).

More Like This:
WO/2007/011866IMPROVED DISPENSING DEVICE AND METHOD
JPH11128789PORTABLE SPRAYING DEVICE AND ATOMIZER
Inventors:
YANG WEIDONG (CN)
CHEN FENG (CN)
ZHU XIAOJIAN (CN)
Application Number:
PCT/CN2020/132758
Publication Date:
June 03, 2021
Filing Date:
November 30, 2020
Export Citation:
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Assignee:
WUXI NEST BIOTECHNOLOGY CO LTD (CN)
International Classes:
A61M11/00; A61M31/00
Domestic Patent References:
WO2017021878A12017-02-09
Foreign References:
CN110721373A2020-01-24
CN211798072U2020-10-30
CN106345044A2017-01-25
CN107497036A2017-12-22
CN104815365A2015-08-05
CN109562237A2019-04-02
CN106178238A2016-12-07
US20020174865A12002-11-28
Attorney, Agent or Firm:
SHANGHAI PATENT & TRADEMARK LAW OFFICE, LLC (CN)
Download PDF:
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