Pipe connecting structure to be used for a milk delivery pipe

Details Pipe connecting structure to be used for a milk delivery pipe Pipe connecting structure to be used for a milk delivery pipe

A - Human Necessities

01

J

A01J 7/00 (2006.01) A01J 5/04 (2006.01)

Patent

CA 2120475

A pipe connecting structure is constituted by a milk tap having an aperture to be aligned with a corresponding opening arranged at the top of a milk delivery pipe and a slide valve for opening and closing said aperture and a plug-in metal fitting removably fitted to said milk tap and including an elbow pipe. The slide valve has an aperture to be aligned with an upper opening of a milk delivery pipe and comprises a slide valve carriage having a substantially circular valve sliding hole disposed at the lower center and transversal collar insertion holes bored from a side toward the other side thereof and disposed along the lateral sides of the valve sliding hole, a pair of guide pins projecting outwardly from the bottoms of the respective collar insertion holes, a pair of guides projecting outwardly from said other side in a direction opposite to that of said guide pins, a pair of holders disposed oppositely and adjacent to the aperture of the milk tap for slidably holding said guides and guide pins and collars fitted to the respective guide pins of the valve carriage, coil springs being respectively arranged between the collars and the bottoms of the collar insertion holes, the leading ends of said collars disposed close to the car- riage being tapered, a cylindrical bottomed valve being inserted into said valve sliding hole, said valve being 23 provided with lugs at opposite sides thereof, the highest points of said collars fitted to said guide pins being locat- ed above the lowest points of the respective lugs, said lugs disposed at opposite sides of said cylindrical valve abutting the respective collars fitted to said guide pins when moved horizontally with the carriage. 24

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