Patents by Inventor Bernard I. Bartner

Bernard I. Bartner 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).

  • Patent number: 4050873
    Abstract: Three-dimensional articles are molded from materials capable of flow utilizingA. a molding zone having a plurality of advancing contiguous molds with adjacent molds forming mold cavities at contiguous interfaces transverse to the direction of motion.B. a discharge zone following the molding zone wherein said molds travel in an arcuate path, become separated from each other and the mold cavities are opened;C. feeding a material capable of flow to the molding zone, forcing same into said mold cavities and solidifying same therein; andWithdrawing said molded articles from the discharge zone.
    Type: Grant
    Filed: December 23, 1976
    Date of Patent: September 27, 1977
    Inventors: George C. Brumlik, Bernard I. Bartner