公开(公告)号：WO1998023395A1

公开(公告)日：1998-06-04

申请号：PCT/US1997020077

申请日：1997-11-04

Applicant: MCDONNELL DOUGLAS CORPORATION

Inventor： MCDONNELL DOUGLAS CORPORATION ,  ORLANDO, Michael, A.

IPC: B08B09/04

CPC classification number: B08B9/0553 ,  B08B9/0436

Abstract: A cleaning plug for cleaning and preventing contamination from entering the interior of a piece of tubing. The cleaning plug is compressible such that it may be compressed to a size smaller than the interior of the tubing and inserted into the tubing without abrading or otherwise leaving contamination on the interior walls of the tubing. The cleaning plug is then allowed to expand such that it contacts and forms a seal with the interior wall of the tubing. The cleaning plug is made from a material which is nonabrasive, non-contaminating and nonreactive with liquids to be passed through the tubing. When used for preventing contamination from entering the tubing, the cleaning plug is inserted adjacent to the opening of the tubing. When used for cleaning, the cleaning plug is inserted into the tubing and moved longitudinally along the inside of the tubing to mechanically remove any contamination.

Abstract translation: 用于清洁和防止污染物进入管道内部的清洁塞。 清洁塞子是可压缩的，使得其可以被压缩到小于管道内部的尺寸并插入管道中，而不会磨损或以其他方式在管道的内壁上留下污染物。 然后允许清洁塞膨胀，使得其与管道的内壁接触并形成密封。 清洁塞是由无腐蚀性的材料制成的，不会污染和不反应通过管道的液体。 当用于防止污染进入管道时，清洁塞插入管道开口附近。 当用于清洁时，清洁塞被插入管道中，并沿管道内部纵向移动，以机械地去除任何污染物。