ROTARY JOINT FOR STRONGLY CORROSIVE LIQUID

• Main Authors: OKUNISHI YASUYUKI, OKUMACHI EIJI
• Format: Patent
• Language: English
• Published: 26.11.2009
• Subjects: BASIC ELECTRIC ELEMENTS; BLASTING; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; 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; SEMICONDUCTOR DEVICES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

PROBLEM TO BE SOLVED: To provide a rotary joint capable of surely preventing contamination and leakage when streaming a strongly corrosive liquid such as hydrofluoric acid. SOLUTION: One first sealed space 7 and each pair of second and third sealed spaces 8 and 9 are formed between a case body 2 and...