Patents by Inventor Peter Sandkamp

Peter Sandkamp 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 heating adhesive-containing seams of tubular wrappers for materials of the tobacco processing industry
    Patent number: 5735293
    Abstract: An apparatus for heating the seam consisting of an adhesive layer between the longitudinally extending overlapping marginal portions of a running tubular wrapper for tobacco or tobacco filter material has an adjustable elongated infrared heater disposed at a level above and extending in parallel with the path for the wrapper, and a heatable heat transfer member which contacts the seam of the running wrapper. A mirror surrounds the infrared heater and reflects radiant energy toward the heat transfer member. The heater is adjustable in dependency upon the temperature of the seam and/or in dependency upon the speed of the wrapper.
    Type: Grant
    Filed: October 23, 1995
    Date of Patent: April 7, 1998
    Assignees: Decoufle s.a.r.l., RICA
    Inventors: Antoine Coniglio, Peter Sandkamp, Robert Calvairac