Patents by Inventor Chun-Man Kim

Chun-Man Kim 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).

  • Publication number: 20050120660
    Abstract: Disclosed are a plastic micro packer for repairing cracks of structure and a method for repairing middle or low pressure cracks using the plastic micro packer: The micro packer is connected to a hole formed in a crack to inject, repairing solution into the crack of a concrete structure, and includes: a hollow rubber sleeve having a screw portion formed on the inner surface thereof; a hollow packer body having a screw coupling portion screwed with the screw portion and a nozzle portion connected to a repairing solution injector; and a cove; member connected to the nozzle portion to prevent leakage of repairing solution. The screw portion of the rubber sleeve has a wide top and a narrow bottom, and thereby, is closely contacted to the hole while the lower portion of the screw portion is expanded in a radial direction when the screw: coupling portion is screwed with the screw portion.
    Type: Application
    Filed: March 14, 2003
    Publication date: June 9, 2005
    Inventors: Chun-Man Kim, Samyong Chung, Sung-Woo Park