Patent attributes
The invention relates to a piping structure in a tire vulcanizing machine which has a simple structure, has an improved operability of a valve, can easily execute a maintenance work such as a valve replacement or the like, and can form a compact valve unit. A plurality of panel valves 5 are attached to a block main body side by side in a vertical direction in a state of flush connecting a block side connection surface 34 formed approximately perpendicularly in a block main body 30 which is long in a vertical direction, and a valve side connection surface 56 formed approximately perpendicularly in one side of an outer surface of a valve main body 50, and main flow paths 31, 32 formed in an inner portion of the block main body and flow paths 51, 52 formed in an inner portion of each of the panel valves are connected.
