Invention Grant
US08474395B2 Device for lining or repairing offset chimneys including a reticulated centering device with an upper and lower centering guide 有权
用于衬垫或修理偏置烟囱的装置,包括具有上下定心导向器的网状定中心装置

Device for lining or repairing offset chimneys including a reticulated centering device with an upper and lower centering guide
Abstract:
A device for repairing or relining an offset chimney includes a spreader assembly for spreading a repair material on the interior walls of a chimney as the device is pulled up the chimney, a pull assembly for pulling the device through the chimney, and an optionally reticulated centering device for keeping the portion of the pull assembly directly above the spreader assembly away from the chimney walls when the spreader blade assembly is moved through a chimney offset.
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