Patents by Inventor Miroslav Vaclavik

Miroslav Vaclavik 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).

  • Method of winding conical or tapered bobbin and device to perform said method
    Patent number: 4781332
    Abstract: Method of and apparatus for winding conical or tapered bobbins with the use of a rotating transfer element rolling under the surface of the bobbin on a rotating support element which compensate for the differences in the winding and supply speeds of the thread. The part of the thread leading from the distributor of the thread to the supply point of the thread onto the bobbin is lead onto the surface of a rotating transfer element which is in engagement with the surface of the winding on the bobbin and is angularly positioned on the support element in accordance with the direction of said part of the thread.
    Type: Grant
    Filed: December 19, 1985
    Date of Patent: November 1, 1988
    Assignee: Elitex, Koncern Textilniho Strojirenstvi
    Inventors: Petr Jirasco, Zdenek Koloc, Vaclay Moc, Miroslav Vaclavik
  • 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
  • Grooved rotary yarn distributor for winding conical bobbins
    Patent number: 4643372
    Abstract: Grooved rotary yarn distributor for the winding of bobbins of conical or varioconical shape, the distributor having a reversible, crossing helical groove, and a variable radius of the groove bottom, the conical and varioconical bobbins having a variable crossing angle of the wound yarn.
    Type: Grant
    Filed: March 17, 1986
    Date of Patent: February 17, 1987
    Assignee: Elitex, koncern textilniho strojirenstvi
    Inventors: Jilji Havelka, Petr Jirasko, Zdenek Koloc, Miroslav Vaclavik