Patents Assigned to Whal-Sun Lee
  • Patent number: 5797316
    Abstract: A transfer roll device for producing a banner including a housing, a paper roll mounted on the housing, a cloth roll mounted on the housing, first and second tension controllers connected to the housing and positioned above the paper and cloth rolls for controlling a tension of paper and of cloth respectively passing thereover, an endless belt passing over a heating drum, and a transfer sheet wound around a torsionless pipe. The torsionless pipe is fitted over a rotatable longitudinal bar. The transfer sheet is wound around the torsionless pipe such that stencil characters are directly inwardly. The transfer sheet, the cloth, and the paper extend in overlapping relationship so as to be interposed between the endless belt and the heating drum.
    Type: Grant
    Filed: June 20, 1997
    Date of Patent: August 25, 1998
    Assignee: Whal-Sun Lee
    Inventor: Kyoung Ho Park
  • Patent number: 5749300
    Abstract: A transfer rolling process and device for producing banners is disclosed. In the above process, stencil letters or figures made of a transfer sheet are attached to a longitudinal transfer sheet. A banner with a white background is produced by attaching the stencil letters or figures to a white transfer sheet, while a banner with a color background is produced by attaching the stencil letters or figures to a transfer sheet of the same color as the background of the banner. The longitudinal transfer sheet is wound onto a torsionless pipe. Thereafter, paper and cloth from respective rolls pass over a heating drum at a speed of 1-3 m/min while overlapping the transfer sheet from the torsionless pipe. The heating drum in the above state is heated to a temperature of 220.degree.-240.degree. C., thus heating and melting the coloring agent of the stencil letters or figures and transferring the letters or figures onto the cloth.
    Type: Grant
    Filed: October 29, 1996
    Date of Patent: May 12, 1998
    Assignee: Whal-Sun Lee
    Inventor: Kyoung Ho Park