Title:
SPONGE BLOCK HAVING OUTER COVER REPLACEMENT FUNCTION
Document Type and Number:
WIPO Patent Application WO/2024/025043
Kind Code:
A1
Abstract:
According to the present invention disclosed, a sponge block having an outer cover replacement function comprises: a sponge layer; and an outer cover that is coupled to cover all surfaces of the sponge layer except for the front and rear surfaces thereof and is replaceable depending on a use purpose, the outer cover having a waterproof layer on the inner surface thereof. According to the present invention, the outer cover covering all surfaces of the sponge layer except for the front and rear surfaces thereof is replaceable depending on a use purpose, and thus can be used for a long time through dedicated use, the outer cover is easy to manufacture, resulting in a low production cost, a waterproof layer is provided on the inner surface of the outer cover to prevent expensive polish or a coating solution from penetrating into the sponge layer, thereby preventing waste of the polish or the coating solution, and the outer cover can be easily fitted onto the sponge layer by the guide.
Inventors:
PARK CHEON HOO (KR)
Application Number:
PCT/KR2022/018325
Publication Date:
February 01, 2024
Filing Date:
November 18, 2022
Export Citation:
Assignee:
MSFORYOU CO LTD (KR)
International Classes:
B08B1/00
Foreign References:
| JP2018033499A | 2018-03-08 | |||
| JP3062934U | 1999-10-15 | |||
| JP2022040780A | 2022-03-11 | |||
| JP2006297354A | 2006-11-02 | |||
| KR200393886Y1 | 2005-08-25 |
Attorney, Agent or Firm:
CHEON JEE INTERNATIONAL PATENT & LAW FIRM (KR)
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