Screw connection for pipes

• Main Authors: NOEL, THIERRY, NARITA, AKIRA
• Format: Patent
• Language: English; French; German
• Published: 17.05.2000
• Edition: 7
• Subjects: BLASTING; EARTH DRILLING; EARTH DRILLING, e.g. DEEP DRILLING; ENGINEERING ELEMENTS AND UNITS; FIXED CONSTRUCTIONS; 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; MINING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The assembly consists of a sleeve (2) with two female cavities (3,4) which have inner conical threaded surfaces (5,6). These threaded surfaces receive the male ends (9,10) of tubes which have outer conical threaded surfaces (7,8). The male ends have non-threaded end zones (11,12) which engage with a...