Joint construction of pipe portion

• Main Authors: EGUCHI TOSHIKAZU, HOSHINO SHINICHI, NISHIMURA TERUMI, KISHIDA TAKAYUKI, IWANAGA SHIGEHIRO
• Format: Patent
• Language: Chinese; English
• Published: 22.02.2019
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model provides an also the connection each other of tub portion can be well maintain even intraductal interior pressure uprises, and the connection working load's of tub portion joint construction of pipe portion can be sought to alleviate. This joint construction of pipe portion includes: the 1st tub of portion, it contains hole enlargement portion, the 2nd tub of portion, hole enlargement portion is inserted to the one end of the 2nd tub of portion, the 1st cyclic annular slot part, it is formed at the inner peripheral surface of hole enlargement portion, the 2nd cyclic annular slot part, its formed at the 2nd tub of portion by under the state in inserting hole enlargement portion with the relative part of the 1st cyclic annular slot part, and the coupling member, its by insert by the 1st cyclic annular slot part and the 2nd cyclic annular slot part the footpath upwards arrange and form insert in the route and link up the 1st tub of portion and the 2nd tub of portion. Thecoupling member contains