Patents Assigned to Weiss Scientific Glass Blowing Co.
  • Patent number: 4909185
    Abstract: Apparatus for heating product with the product during heating subjected to a controlled, nonatmospheric gas environment. The apparatus includes a double-walled cold zone assembly adapted to be placed against an oven opening, the assembly having a depository chamber within it for securing product during cooling of the product. A cantilever projecting through the assembly is operated to move product between the depository chamber of the assembly and the oven where heat treatment occurs.
    Type: Grant
    Filed: February 3, 1988
    Date of Patent: March 20, 1990
    Assignee: Weiss Scientific Glass Blowing Co.
    Inventors: Robert E. Aldridge, Bruce E. Beattie