Patents by Inventor Jouni SIRKKA

Jouni SIRKKA 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 and system for recycling concrete mass in a slipform casting process, and casting machine
    Patent number: 11077582
    Abstract: A method for recycling concrete mass in a slipform casting process, where the concrete mass is first cast and compacted with a slipform casting machine comprising a restricted cross-section to form a concrete product to be cast and at least one concrete mass tank for feeding concrete mass to the restricted cross-section, and the cast concrete mass is removed from areas of the fresh cast portion of the concrete product, wherein the removed fresh concrete mass is conveyed and dosed back to the at least one concrete mass tank of the slipform casting machine. The invention also relates to a system and a casting machine for implementing the method.
    Type: Grant
    Filed: January 9, 2019
    Date of Patent: August 3, 2021
    Assignee: Elematic Oyj
    Inventors: Heikki Lehtonen, Jouni Sirkka, Jani Eilola
  • METHOD AND SYSTEM FOR RECYCLING CONCRETE MASS IN A SLIPFORM CASTING PROCESS, AND CASTING MACHINE
    Publication number: 20190232523
    Abstract: A method for recycling concrete mass in a slipform casting process, where the concrete mass is first cast and compacted with a slipform casting machine comprising a restricted cross-section to form a concrete product to be cast and at least one concrete mass tank for feeding concrete mass to the restricted cross-section, and the cast concrete mass is removed from areas of the fresh cast portion of the concrete product, wherein the removed fresh concrete mass is conveyed and dosed back to the at least one concrete mass tank of the slipform casting machine. The invention also relates to a system and a casting machine for implementing the method.
    Type: Application
    Filed: January 9, 2019
    Publication date: August 1, 2019
    Applicant: Elematic Oyj
    Inventors: Heikki LEHTONEN, Jouni SIRKKA, Jani EILOLA