Pile-driving apparatus and method for driving a pile element into the ground
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United States of America Patent
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Oct 11, 2016
Grant Date -
Mar 31, 2016
app pub date -
Sep 24, 2015
filing date -
Sep 25, 2014
priority date (Note) -
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Abstract
A pile-driving apparatus and a method for driving a pile element into the ground, wherein a head region of the pile element is arranged in a driving helmet on an underside of a driven hammer unit, which is moved by a main winch and a main rope along a mast and drives the pile element in a vertical driving position into the ground. The pile element is hoisted by an auxiliary winch with auxiliary rope from a lying position into the approximately vertical driving position, in which the head region of the pile element is received in the driving helmet of the hammer unit.
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