| 摘要 |
DISCLOSED IS A VIBRATION DAMPER FOR ELONGATE OBJECTS, THE DAMPER COMPRISING A STRIP OF METAL FORMED INTO A FIRST HELIX TO FORM A GRIPPING SECTION HAVING A DIAMETER SELECTED TO GRIP THE ELONGATE OBJECT, AND A SECOND HELIX OF A WIDER DIAMETER SELECTED TO INTERFERE AND DAMP VIBRATIONS OF THE ELONGATE OBJECT. ALSO DISCLOSED IS A METHOD OF MAKING SUCH A VIBRATION DAMPER, COMPRISING THE USE OF APPARATUS CAPABLE OF MAKING HELIXES AND OF SELECTIVELY VARYING THE DIAMETER OF THE HELIX DURING PRODUCTION OF A SINGLE ARTICLE.(FIG 1)
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