Cleaning apparatus for pipes

专利名称：Cleaning apparatus for pipes发明人：Shinichi Matsuda申请号：US06/715961申请日：19850326公开号：US04622709A公开日：19861118

摘要：The present invention relates to a cleaning apparatus for a pipe which

comprises at least one scraping device having a plurality of scraping segments which aremade of elastic metal plates and are radially elongated around an axis of the scrapingdevice, and a grinding device which is connected behind the scraping device and has anejection pipe which is rotatably supported by a tubular member and has at least oneradially elongated portion having a nozzle at radially outer end thereof. The grindingdevice also has an electric motor for rotating the ejection pipe. The cleaning apparatusalso has a hose which is connected behind the tubular member for supplying mixed flowof abrasive material and compressed air into the ejection pipe, and driving means foradvancing the scraping device, the grinding device and the hose.

申请人：MATSUDA; SHINICHI

代理机构：Oblon, Fisher, Spivak, McClelland & Maier

更多信息请下载全文后查看