Title:
LEAK-PROOF DEVICE FOR CONCRETE MIXING TRUCK
Document Type and Number:
WIPO Patent Application WO/2021/016883
Kind Code:
A1
Abstract:
The present invention discloses a leak-proof device for concrete mixing truck, the leak-proof device includes a leak-proof tank, a base and a chain, the bottom portion of the leak-proof tank and the base are connected by a pin shaft, the leak-proof tank can rotate around the base, the middle portion of the leak-proof tank is connected to the base by a lock, the upper portion of the leak-proof tank is connected to the concrete mixing truck by the chain, the base is installed on the concrete mixing truck. The leak-proof device for concrete mixing truck of the present invention is installed at the lower end of the discharge port of the mixing drum of the concrete mixing truck, when the concrete mixing truck is in transportation, while driving on uneven roads or up and downhill, the concrete leaking from the discharge port of the mixing drum is received by the leak-proof device, which can reduce environmental pollution and waste of resources.
Inventors:
LU YUEZHI (CN)
Application Number:
PCT/CN2019/098433
Publication Date:
February 04, 2021
Filing Date:
July 30, 2019
Export Citation:
Assignee:
HENR TECH GUANGXI CO LTD (CN)
International Classes:
B28C5/42; B28C7/16
Foreign References:
| CN207954309U | 2018-10-12 | |||
| CN205870878U | 2017-01-11 | |||
| CN206733332U | 2017-12-12 | |||
| CN103963166A | 2014-08-06 | |||
| US7506672B2 | 2009-03-24 | |||
| CN201342731Y | 2009-11-11 | |||
| JP2000263542A | 2000-09-26 | |||
| CN208529423U | 2019-02-22 | |||
| CN206718169U | 2017-12-08 |
Attorney, Agent or Firm:
GUANGXI NANNING GONGPING INTELLECTUAL PROPERTY AGENT CO., LTD (CN)
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