Vibration-damping material, its manufacturing method, and struct

Details Vibration-damping material, its manufacturing method, and struct Vibration-damping material, its manufacturing method, and struct

1996-11-05

1997-11-25

Morano, S. Joseph

Railway rolling stock

Sound deadeners

105401, 105409, 105422, 296393, 296183, 244 1N, 244119, 244121, 181285, 181288, B61D 1710

Patent

active

056900350

ABSTRACT:
A truss type extruded aluminum section (1) is formed of a pair of planar plates (2)(3) and ribs (4)(5)(6), wherein hollow portions (7)(8)(9) are formed within the section (1) by the ribs (4)(5)(6) and the planar plates (2)(3). Vibration-damping resin is provided on the inner surfaces of hollow portions (7)(8)(9), and particularly on the inner surface of the planar plate (3) and on a single surface of the inclined rib (4). With this arrangement, the vibration energy bending the planar plate (3) and the rib (4) is converted into a heat energy. In the case of manufacturing such truss type extruded aluminum vibration-damping section (1), for making easy the insertion of the vibration-damping resin in the hollow portion, the vibration-damping resin is stuck on a plastic film (11) to form a long planar body. The plastic film (11) serves as a cover or an adhesive. Moreover, in the case of directly inserting the vibration-damping resin sheet (14), the vibration-damping resin sheet (14) is subjected to embossing on the adhesive-bonding side for allowing air to escape. Additionally, in the case using an age-hardening type aluminum alloy, the adhesive-bonding for the vibration-damping resin by heating is performed along with the heat treatment for age-hardening.

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patent: 2819032 (1958-01-01), Detrie et al.
patent: 3058704 (1962-10-01), Bergstedt
patent: 3205972 (1965-09-01), Stricker et al.
patent: 4874650 (1989-10-01), Kitoh et al.
patent: 4951992 (1990-08-01), Hockney
patent: 5094318 (1992-03-01), Maeda et al.
Patent Abstracts of Japan, vol. 15, No. 458 (M-1182), 21 Nov. 1991 & JP 03 197024 A (Yokohama Rubber), 28 Aug. 1991.

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