发明名称 EASY INSERT COMPOSITE TUBE CLEANER
摘要 A composite tube cleaner has a shaft, nose portion and tail portion, and a plurality of metallic scraper devices spaced along the shaft. The scraper devices are U-shaped and have at least two leg portions which terminate as scraping sections. A plastic sheath is secured to and encloses the scraping sections and at least a portion of the leg portions, the sheath preferably having at least one inclined surface along the leg portion which extends outwardly to the scraping section.
申请公布号 CA2246178(C) 申请公布日期 2003.11.04
申请号 CA19982246178 申请日期 1998.09.01
申请人 CONCO SYSTEMS, INC. 发明人 SAXON, GREGORY J.;KRYSICKI, JERZY
分类号 B08B9/04;B08B9/057;(IPC1-7):B08B9/02 主分类号 B08B9/04
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