Patents by Inventor Werner Helfgen

Werner Helfgen 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).

  • Process for the production of flexible explosive formed charges
    Patent number: 4113811
    Abstract: A process for producing flexible formed explosive charges includes the steps of admixing at least one elastomer which exhibits an elongation of at least 800% and a tear strength of between 50 and 350 kp./cm.sup.2, at least one high-brisance explosive component and at least one plasticizer that has a melting point of less than -20.degree. C. and that does not substantially evaporate up to a temperature of 90.degree. C. and thereafter forming the resulting admixture into a shaped or formed explosive charge. The high-brisance explosive component has a detonating velocity of at least 6000 m/sec.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: September 12, 1978
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Werner Helfgen, Gerhard Lindner, Paul Lingens, Helmut Kaufmann