Patents by Inventor Frank A. Casella

Frank A. Casella has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5399221
    Abstract: A continuous process for producing honeycomb support structures by bonding a plurality of thermoplastic sheets together. The process comprises feeding, aligning, supporting and bonding thermoplastic corrugated sheets in sequence to build a honeycomb-structure of the desired dimensions. Bonding is accomplished by impulse heating through retractable support bars in cooperation with a movable heating/cooling platen, pairs of sheets to be bonded being indexed therebetween, in sequence, to bond one sheet at a time to form the multi-sheet structure.
    Type: Grant
    Filed: May 4, 1990
    Date of Patent: March 21, 1995
    Assignee: Northrop Grumman Corporation
    Inventor: Frank A. Casella