B65H54/38 - CPC Classification Index

ClassID:

79378 ⎘

B65H54/38 - CPC Classification

Classification description:

Winding, coiling, or depositing filamentary material; Winding and traversing material on to reels, bobbins, tubes, or like package cores or formers Arrangements for preventing ribbon winding ; Arrangements for preventing irregular edge forming, e.g. edge raising or yarn falling from the edge

Sub-classes:

B65H54/381 » {Preventing ribbon winding in a precision winding apparatus, i.e. with a constant ratio between the rotational speed of the bobbin spindle and the rotational speed of the traversing device driving shaft} 2
B65H54/385 » {Preventing edge raising, e.g. creeping arrangements} 3
B65H54/388 » {Preventing the yarn from falling off the edge of the package} 3

Recent Application in this class:

20240092608

Wound yarn package and manufacturing method thereof

20220041400

Fiber bundle winding device

20180162681

EXTENDED LENGTH AND HIGHER DENSITY PACKAGES OF BULKY YARNS AND METHODS OF MAKING THE SAME

20170320698

Extended Length and Higher Density Packages of Bulky Yarns and Methods of Making the Same

20120261504

Process for Preventing Ribbon Windings

20120261503

Extended length and higher density packages of bulky yarns and methods of making the same

20090134263

Method for Avoiding Ribbon Windings