Expansion anchor bolt

• Main Author: LIU TIANXING
• Format: Patent
• Language: Chinese; English
• Published: 06.08.2008
• Subjects: BLASTING; BUILDING; CEILINGS; 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; FIXED CONSTRUCTIONS; FLOORS; GENERAL BUILDING CONSTRUCTIONS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; INSULATION OR OTHER PROTECTION OF BUILDINGS; LIGHTING; MECHANICAL ENGINEERING; ROOFS; THERMAL INSULATION IN GENERAL; WALLS, e.g. PARTITIONS; WEAPONS

An expansion anchor comprises an anchor bolt rod, and further comprises at least one expansion sleeve whose two ends are provided with expansion portions, and are arranged on the anchor bolt rod, and at least one fixed sleeve. The expansion portions are formed by cutting several joint-cuttings in th...