Patents Assigned to Agrodyn Hochspannungstechnik GmbH
  • Method and apparatus for producing wettable plastic films
    Publication number: 20010052383
    Abstract: A method for producing wettable plastic film (58, 60; 64), for which the plastic material is extruded from a die (42; 66) and stretched and the surface of the plastic material is subjected to a pretreatment, wherein the pretreatment is carried out by means of a beam (36) of an atmospheric plasma in one working cycle with the extrusion.
    Type: Application
    Filed: May 14, 2001
    Publication date: December 20, 2001
    Applicant: AGRODYN Hochspannungstechnik GmbH
    Inventors: Christian Buske, Peter Frnsel
  • Plasma nozzle with angled mouth and internal swirl system
    Patent number: 6262386
    Abstract: Plasma nozzle, in particular for pretreating surface, including a casing defining a nozzle channel which has an axis and a mouth and through which a working gas is passed, an electrode disposed coaxially in the nozzle channel, and a counter electrode surrounding the nozzle channel, wherein the mouth of the nozzle channel is angled relative to the axis thereof.
    Type: Grant
    Filed: July 7, 2000
    Date of Patent: July 17, 2001
    Assignee: Agrodyn Hochspannungstechnik GmbH
    Inventor: Peter Förnsel
  • Methods and apparatus for treating the surface of a workpiece by plasma discharge
    Patent number: 5837958
    Abstract: A surface of a workpiece is treated by electric discharge. In particular, a concentrated plasma jet is generated through an arc discharge by a non-transferred electric arc while feeding--in a working gas. The surface of the workpiece to be treated is brushed over by the plasma jet.
    Type: Grant
    Filed: September 3, 1996
    Date of Patent: November 17, 1998
    Assignee: Agrodyn Hochspannungstechnik GmbH
    Inventor: Peter Fornsel