COUPLING MEMBER OF STEEL PIPE

PROBLEM TO BE SOLVED: To provide a coupling member of a steel pipe in which no shear break generated in the case of a bolt hole opening occurs. SOLUTION: The coupling member, connecting two steel pipes coaxially, is constituted by double tubes in which the inner tube is located inside the outer tube...

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Bibliographic Details
Main Authors NARATA TOMOYUKI, WAKAMEI YOSHIO
Format Patent
LanguageEnglish
Published 01.05.2008
Subjects
BLASTING
DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
THERMAL INSULATION IN GENERAL
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To provide a coupling member of a steel pipe in which no shear break generated in the case of a bolt hole opening occurs. SOLUTION: The coupling member, connecting two steel pipes coaxially, is constituted by double tubes in which the inner tube is located inside the outer tube and provided with screw holes radially in the outer tube and keeps windows opened at locations corresponding to the screw holes in the inner hole. The opening cross section of this window is formed so that it may be enlarged toward the center of the tube, and an edge of outer tube side of the window is formed in acute angle. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20060286557