Seismic and dynamic axial damper applicable to elements...

Brakes – Internal-resistance motion retarder – Using yieldable or fluent solid or semisolid

Reexamination Certificate

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C188S033000, C188S036000, C188S067000, C188S267000, C188S378000, C188S379000, C188S380000, C248S563000, C248S583000, C248S584000, C248S589000, C248S636000

Reexamination Certificate

active

08033367

ABSTRACT:
An axial damper for elements having a cylindrical, rectangular or squared section, includes two identical fixing clamps, each fixing clamp including an upper part and a lower part connected to each other by a clamping device to be wound around the elements. At least two rafter-tie-rods are each connected at two ends thereof to the clamps. The rafter-tie-rods are placed equidistant from each other in the case of more than two rafter-tie-rods. The damper also includes two damping systems, each including two or more blocks of elastomeric material, with a pre-compressed elastic element interposed therebetween.

REFERENCES:
patent: 2376277 (1945-05-01), Rouy
patent: 2914844 (1959-12-01), Marshall et al.
patent: 4832305 (1989-05-01), Asmundsson
patent: 5816559 (1998-10-01), Fujimoto
patent: 6829807 (2004-12-01), Kim
patent: 41 11 557 (1992-10-01), None
patent: 0 045 391 (1982-02-01), None
patent: 06117373 (1994-04-01), None
patent: WO 2005/114035 (2005-12-01), None

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