Title:
AIRTIGHT LIPSTICK
Document Type and Number:
WIPO Patent Application WO/2021/103107
Kind Code:
A1
Abstract:
Disclosed is an airtight lipstick, comprising: an outer cover, an inner cover, a central core and a base, the inner cover being fixedly arranged within the outer cover, the base being internally provided with a cavity, the central core being arranged within the cavity, the central core being used for accommodating a lipstick body, a lower end of the outer cover movably snapping onto the base, a lower edge of the inner cover being in an interference fit with an upper edge of an inner wall of the cavity to form a seal. The lipstick container achieves airtightness by means of an outer wall of the inner cover being in an interference connection with an inner wall of the base, has a stable structure, only requires that the inner cover is caused to produce a small elastic deformation for the lipstick container to have airtightness, is not prone to lipstick container air leakage due to eccentricity, and is more durable.
Inventors:
LI WEIXIONG (CN)
Application Number:
PCT/CN2019/123511
Publication Date:
June 03, 2021
Filing Date:
December 06, 2019
Export Citation:
Assignee:
SHANTOU KINHWA PLASTIC IND CO LTD (CN)
International Classes:
A45D40/00
Foreign References:
| CN208030584U | 2018-11-02 | |||
| JPS644323U | 1989-01-11 | |||
| CN208941161U | 2019-06-07 | |||
| CN206949813U | 2018-02-02 |
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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