Patents by Inventor Hung D. An

Hung D. An 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: 4671044
    Abstract: Apparatus for and a method of filling a chain of successively connected bag containers, each closed at its bottom end with successive ones seamed at adjacent side edges, the chain defining sleeve means along the upper edge thereof, above said side seams. The invention comprises moving the chain of containers along a process line, from a source thereof to a discharge point, with said sleeve means uppermost, past a filling station having a filling head operable to charge flowable material received from a source thereof, from a filling nozzle of the filling head, into successive containers presented to the filling station and past a sealing station which is intermediate the sealing station and discharge point, the sealing station having sealing means for sealing the top of each filled container.
    Type: Grant
    Filed: May 5, 1986
    Date of Patent: June 9, 1987
    Assignee: ACI Australia Limited
    Inventor: Hung D. An
  • Patent number: 4549387
    Abstract: Apparatus and method is provided for packaging a flowable material in bag containers. The apparatus comprises a support stand and, mounted thereon, a filling station, a sealing station, and support means, the stations being in spaced, side by side relation. The support means has a support surface on which successive containers are receivable, and which is movable relative to the stations from a position in which a container received thereon is presented in turn to the filling station and the sealing station. The filling station has a filler head connectable to a source of supply of the flowable material and engageable with an opening of the container for discharge of a quantity of the material into the container. The sealing station has sealing means for receiving the container opening, the sealing means being connected to an electric power source and being operable to grip the opening and form a heat seal thereacross.
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: October 29, 1985
    Assignee: ACI Australia Limited
    Inventors: Stephen Marshall, Hung D. An