Patents by Inventor Raymond E. Trunk

Raymond E. Trunk 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).

  • Apparatus for cleaning braebender-type mixing apparatus
    Patent number: 5139408
    Abstract: A cleaning insert for insertion into a disassembled braebender-type mixing apparatus, wherein the inserted cleaning insert separates the two cavities of the apparatus allowing each to be cleaned of reside from a polymeric composition without permitting the passage of loosened residue therebetween. Also provided is an improved method of cleaning a braebender-type mixing apparatus utilizing the cleaning insert.
    Type: Grant
    Filed: February 7, 1991
    Date of Patent: August 18, 1992
    Assignee: Allied-Signal Inc.
    Inventors: Michael F. Cummings, Bruce V. Buskirk, Raymond E. Trunk
  • Low particulate liquid filling machine and method
    Patent number: 4431037
    Abstract: An improved automatic bottle filling apparatus is provided. The apparatus includes a spring loaded back pressure plate which avoids jamming of bottles that are carried by conveyor. A bottle detection system comprising a photoelectric device or microswitch assures positioning and detection of an individual bottle. Vibration is essentially dampened by guide plates. Overheating of the drive motors to operate the vertical movement is obviated by use of a pair of continuously operated motors and running in opposite directions connected to mechanical actuators and by means of clutch brake mechanisms.
    Type: Grant
    Filed: December 28, 1981
    Date of Patent: February 14, 1984
    Assignee: Allied Corporation
    Inventors: William R. Schevey, Frank Calderoni, Raymond E. Trunk, Harold M. Lehman, John J. Jandura, Jr.