Patents by Inventor Kenneth Bak

Kenneth Bak 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).

  • Mold for a closure cap
    Patent number: 5906841
    Abstract: The present inventions relates to a mold for forming a one piece flip-top cap and process for making such a cap. A mold for forming and closing the one piece flip-top cap prior to ejection from the mold includes a first mold part, an inner core mold part and a second mold part movable into relationship with the first mold part and the inner core mold so as to form a mold cavity therebetween. The mold produces a one piece flip-top cap with a living hinge between the body and lid of the cap and which is maintained in a closed position upon ejection from the mold. Pull straps are used to ensure full closure of the cap lid to the body prior to ejection.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: May 25, 1999
    Assignee: Marland Mold, Inc.
    Inventor: Kenneth Bak
  • Process for molding a closure cap using a pivotable mold part
    Patent number: 5744082
    Abstract: The present inventions relates to a mold for forming a one piece flip-top cap and process for making such a cap. A mold for forming and closing the one piece flip-top cap prior to ejection from the mold includes a first mold part, an inner core mold part and a second mold part movable into relationship with the first mold part and the inner core mold so as to form a mold cavity therebetween. The mold produces a one piece flip-top cap with a living hinge between the body and lid of the cap and which is maintained in a closed position upon ejection from the mold. Pull straps are used to ensure full closure of the cap lid to the body prior to ejection.
    Type: Grant
    Filed: November 19, 1996
    Date of Patent: April 28, 1998
    Assignee: Marland Mold, Inc.
    Inventor: Kenneth Bak