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公开(公告)号：US3616658A
公开(公告)日：1971-11-02
申请号：US3616658D
申请日：1969-09-18
Applicant: ELITEX ZAVODY TEXTILNIHO
Inventor： JINDRA FRANTISEK , BORUTA RICHARD , BARTON BOHUMIL
CPC classification number: D04B23/08
Abstract: A BASE FABRIC, SUCH AS FIBROUS FLEECE SHEET, IS PERFORATED FROM OPPOSITE SIDES BY NEEDLES KNITTING WALES AND COURSES. THE LOOPS OF SUCCESSIVE COURSES ARE ALTERNATINGLY PLACED IN ADJACENT WALES SO THAT BACK LOOP PORTIONS EXTEND BETWEEN ADJACENT WALES, AND CAN BE DRAWN OUT TO FORM PILE LOOPS.
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