Japan Intellectual Property Rights: DRAINAGE PIPING

Japan, Sept. 16 -- MARUICHI CORP has got intellectual property rights for 'DRAINAGE PIPING.' Other related details are as follows:

Application Number: JP,2022-197282

Category (FI): E03C1/122@A,E03C1/284,E03C1/12@D

Stage: PROBLEM TO BE SOLVED: To provide drainage piping that can solve the following problems that: in order to eliminate malfunctions caused by pressure changes in the drainage piping, pressure adjustment mechanisms such as intake valves, exhaust valves, and positive and negative pressure relief devices are sometimes connected to the drainage piping, in such cases, however, these pressure adjustment mechanisms often include moving parts, and if drainage water flowing through the drainage piping comes into contact with the pres...