Patents Assigned to Hy-Tech Worldwide, Inc.
  • Method for blow down hydroforming sheet material
    Patent number: 6210623
    Abstract: A method for blow down hydroforming sheet material includes hydraulically inflating a seal intermediate a pair of wall members and disposed between a platen and a table in circumscribing relationship with a cavity formed in the platen to seal the cavity and injecting gas into the cavity to urge conformance of the sheet material with a mold placed upon the table.
    Type: Grant
    Filed: August 2, 1999
    Date of Patent: April 3, 2001
    Assignee: Hy-Tech Worldwide, Inc.
    Inventors: Michael L. Fritz, Alton L. Fritz
  • Method for blow down hydroforming sheet material
    Patent number: 5932167
    Abstract: A method for blow down hydroforming sheet material includes hydraulically inflating a seal intermediate a pair of wall members and disposed between a platen and a table in circumscribing relationship with a cavity formed in the platen to seal the cavity and injecting gas into the cavity to urge conformance of the sheet material with a mold placed upon the table.
    Type: Grant
    Filed: April 9, 1997
    Date of Patent: August 3, 1999
    Assignee: Hy Tech Worldwide, Inc.
    Inventors: Michael L. Fritz, Alton L. Fritz