Methods and apparatus for automatically registering and combining fabric workpieces
    2.
    发明授权
    Methods and apparatus for automatically registering and combining fabric workpieces 失效
    用于自动注册和组合织物工作的方法和装置

    公开(公告)号:US3588087A

    公开(公告)日:1971-06-28

    申请号:US3588087D

    申请日:1969-04-14

    Abstract: A METHOD AND APPARATUS FOR AUTOMATICALLY REGISTERING FABRIC WORKPIECES FOR USE IN A PRODUCTION LINE TO BRING AN EDGE OR EDGES OF THE WORKPIECES INTO ACCURATELY KNOW LOCATIONS AND THEN FOR COMBINING THE REGISTERED WORKPIECES TOGETHER IN READINESS FOR JOINING THEM. FORCE IMPULSES ARE APPLIED TO THE WORKPIECE BY PULSATING AIR JETS FLOWING BENEATH THE WORKPIECE, THE PULSES OF AIR BEING GENERATED BY VALVING OR FLUTTERING VIBRATING REED ELEMENTS OR BOTH FOR AGITATING THE WORKPIECE TO REDUCE FRICTION EFFECTS AS THE WORKPIECE IS IMPELLED BY THE IMPULSES EDGEWISE TOWARD STOP SURFACES TO REGISTER IT. IN CERTAIN EMBODIMENTS PULSATING AIR JET UNITS ARE MOUNTED ON A MOVABLE OR INVERTIBLE HEAD WHICH ACCOMPLISHES THE DUAL FUNCTIONS OF REGISTERING A WORKPIECE AND THEN OF MOVING OR INVERTING THE WORKPIECE TO COMBINE IT WITH ANOTHER WORKPIECE. THE HEAD HOLDS THE REGISTERED WORKPIECE IN POSITION THEREON BY SUCTION DURING MOTION. IN MODIFIED EMBODIMENTS A REVOLVING SUCTION MEMBER IS MOUNTED UPON THE MOVABLE HEAD TO PROVIDE THE DUAL FUNTIONS OF REGISTERING AND COMBINING.

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