Title:
RUBBER SPONGE FOR CLEANING PIPE OF CONCRETE PUMP
Document Type and Number:
WIPO Patent Application WO/2022/255783
Kind Code:
A1
Abstract:
The present invention relates to a rubber sponge for cleaning a pipe of a concrete pump. The present invention provides a rubber sponge for cleaning a pipe of a concrete pump, the rubber sponge including: a main body part having a pipe shape; a head part which is formed on one side of the pipe shape and has an outer surface manufactured in a hemispherical or a conical shape; and a rear part which is formed on the other side of the pipe shape and has an opening formed to communicate with the inside of the pipe shape.
Inventors:
LEE SUNG YULL (KR)
Application Number:
PCT/KR2022/007765
Publication Date:
December 08, 2022
Filing Date:
May 31, 2022
Export Citation:
Assignee:
LEE SUNG YULL (KR)
International Classes:
B08B9/027; B08B1/00; C08J9/00
Foreign References:
| JPS6214355B2 | 1987-04-01 | |||
| KR101466388B1 | 2014-11-28 | |||
| JPS60115590U | 1985-08-05 | |||
| KR20030030237A | 2003-04-18 | |||
| KR101030055B1 | 2011-04-21 |
Attorney, Agent or Firm:
KWAK, Hyun Kyu (KR)
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