Patents by Inventor Jilji Halelka

Jilji Halelka has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Grooved rotary yarn distributor for winding cylindrical bobbins
    Patent number: 4674696
    Abstract: The present invention relates to a grooved rotary yarn distributor for winding bobbins of cylindrical shape, the distributor having a reversible, crossing helical groove and a variable radius of the groove bottom. The distributor is intended for winding of cylindrical bobbins with a constant crossing angle of the wound yarn, the bobbin being employed in textile machines.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: June 23, 1987
    Assignee: Elitex koncern textilniho strojirenstvi
    Inventors: Jilji Halelka, Petr Jirasko, Zdenek Koloc, Miroslav Vaclavik