Patent ID: 7476279

Claim:
A method of cleaning a connecting end face for an optical connecting part comprising the steps of: providing a cleaning tool comprising a tape shaped cleaning fabric made of a woven fabric having warp threads comprised of a plurality of fibers and woof threads comprised of a plurality of fibers that are finer than the fibers of said warp threads, the woof threads protruding on a surface of the cleaning fabric to a greater extent than the warp threads, and the warp threads extending in a lengthwise direction of the cleaning fabric, wherein each of the fibers of said warp threads has a diameter of 15 μm or greater and each of fibers of said woof threads has a diameter of 2 μm or less; urging the connecting end face of the optical connecting part against the surface of the cleaning fabric; and moving the connecting end face and the cleaning fabric relative to each other in a direction transverse to the woof threads so that material attached to the connecting end face is removed.