Patents Assigned to Precision Flow, Inc.
  • Mounting of orifice plates
    Patent number: 5396931
    Abstract: Thin metal adaptor rings fit over the elastomeric seal rings holding an orifice plate within a fitting. The thin metal rings have an inside diameter equal to the inside diameter of the pipe line and fitting. Therefore, the inside diameter is maintained without variations as previously resulted from protrusion or recess tolerances of the elastomeric seal rings. The seal ring is modified with notches to hold the thin metal adaptor rings in the desired position.
    Type: Grant
    Filed: March 29, 1993
    Date of Patent: March 14, 1995
    Assignee: Precision Flow, Inc.
    Inventor: Daniel Gawlik