| 摘要 |
PROBLEM TO BE SOLVED: To simply inspect and check fiber materials put inside of a housing, from outside of the housing without detaching the housing. SOLUTION: In the spinning preparatory machine having the machine housing, especially, carding, cleaner or the like, the machine and/or yarn feeding device and yarn ejecting device are installed in the machine housing. At least one electronic camera (a video camera) 18 related to the fiber materials and/or mechanical elements, is installed in the machine housing to display surface pictures of the fiber materials and/or mechanical elements. COPYRIGHT: (C)2004,JPO&NCIPI
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