Method for replacing a tunnel boring machine roller cutter, handling device and roller cutter suited to such a method
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United States of America Patent
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Aug 30, 2016
Grant Date -
Feb 21, 2013
app pub date -
Dec 14, 2010
filing date -
Dec 22, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a method for replacing a disk cutter (1) mounted with preload in a casing (2) attached to the cutting head of a tunnel boring machine, operated using a disk cutter (1) bearing, firmly attached thereto, an element (4) for locking into the housing (2) and preloading means (5), the method involving the steps of: a) removing a worn disk cutter (1) from said housing (2): • clamping a disk cutter (1) handling device (3) onto the housing (2); • taking hold of the disk cutter, • releasing the preload, • unlocking, • extracting the disk cutter (1), • unclamping the device (3), b) fitting a replacement disk cutter (1) in reverse order.
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