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Patent Searching and Data


Title:
COSMETIC BOTTLENECK INNER PLUG
Document Type and Number:
WIPO Patent Application WO/2023/151673
Kind Code:
A1
Abstract:
A cosmetic bottleneck inner plug. The cosmetic bottleneck inner plug comprises: a plug body (1) and a scraping part (2), the plug body (1) being of a hollow barrel-shaped structure, the scraping part (2) being made of an elastic material and being funnel-shaped, a first end of the scraping part (2) being arranged in a surrounding mode on the inner wall of the plug body (1) in the circumferential direction of the plug body (1), and a second end of the scraping part (2) gradually narrowing and forming a scraping hole (5). A brush head (7) is arranged at the top of a rod body (3), the rod body (3) and the brush head (7) can pass through the scraping hole (5) after passing through the first end, and the inner diameter of the scraping hole (5) is smaller than the diameter of the rod body (3) and/or smaller than the diameter of the axial projection surface of the brush head (7) in a natural state. The scraping part (2) comprises a protruding surface (6), the protruding surface (6) being in contact with the rod body (3) and also being in contact with the brush head (7), and the middle part of the protruding surface (6) being provided with an outward protrusion towards the axis of the scraping part (2). The inner plug has good scraping performance, can keep the rod body clean and has good airtightness.

Inventors:
YU FUHAI (CN)
Application Number:
PCT/CN2023/075562
Publication Date:
August 17, 2023
Filing Date:
February 12, 2023
Export Citation:
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Assignee:
SHYA HSIN PACKAGING IND CHINA CO LTD (CN)
International Classes:
A45D34/00; B65D39/00
Foreign References:
CN217146953U2022-08-09
CN114435744A2022-05-06
EP1847197B12012-08-22
US20040168701A12004-09-02
CN212938545U2021-04-13
CN106307975A2017-01-11
Attorney, Agent or Firm:
KUNSHAN ZHONGJI GUOCHUANG INTELLECTUAL PROPERTY AGENCY CO., LTD. (CN)
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