Process for producing vibration isolator

Details Process for producing vibration isolator Process for producing vibration isolator

1999-02-01

2000-08-01

Echols, P. W.

Metal working

Method of mechanical manufacture

Spring making

294695, 72361, 72402, 264262, 264266, 2642975, 2671412, B21F 3500, B21D 3500

Patent

active

060948183

ABSTRACT:
A process for producing a vibration isolator includes the steps of preparing an axial member, an outside member, the outside member including a cylinder-shaped portion and a bracket having a hollow, and a cylinder-shaped rubber elastic member, and drawing the cylinder-shaped portion by inserting a stationary mold, with which a drawing apparatus is provided, into the hollow of the outside member so that an outer peripheral surface of the cylinder-shaped portion contacts with the stationary mold, by disposing the rubber elastic member and the axial member inside the cylinder-shaped portion, and by pressing the cylinder-shaped portion onto the stationary mold and simultaneously diametrically reducing the cylinder-shaped portion to plastically deform the same. The production process can obviate the conventional pressed-in construction in which metallic members contact with each other, can make the manufacture of the vibration isolator easy, and can reduce the manufacturing cost.

REFERENCES:
patent: 2864130 (1958-12-01), Beare
patent: 3764100 (1973-10-01), Young et al.
patent: 5009448 (1991-04-01), Kijima et al.

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