Process for the manufacture of thin-walled elastoporous parts in the form of bushings in metal-rubber (MR)
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United States of America Patent
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Apr 4, 2017
Grant Date -
Dec 3, 2015
app pub date -
Dec 15, 2014
filing date -
May 28, 2014
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Abstract
A process for the manufacture of thin-walled elasto-porous elements in the form of bushings in metal-rubber material (MR), comprises the steps of: obtaining wire fragments in the form of spirals having a lead equal to the spiral diameter, forming a flat blank from said spiral segments; pressing the blank into a roll; placing the roll into a mold; placing some elastic medium inside said roll; and pressing the roll in several passes by axial compression together with the elastic medium elements transforming the axial compression into radial pressure on the roll to be compressed.
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