Patents Assigned to Chi-Wang LIANG
  • Suction device
    Publication number: 20050156389
    Abstract: A suction device includes a substrate having a plurality of apertures. In each of the apertures, an adjusting member is mounted. The adjusting member has a tube and a rim. The tube has a close inner end and an open outer end and the rim is projected from the tube and attached on a sidewall of the aperture. The tube has a gap between the inner end thereof and the rim so that air only flows through the aperture through the gap.
    Type: Application
    Filed: March 16, 2004
    Publication date: July 21, 2005
    Applicant: Chi-Wang LIANG
    Inventors: Chi-Wang Liang, Chung-Heng Yang