Patents by Inventor Jean-Louis Meyer

Jean-Louis Meyer 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).

  • Method and machine for manufacturing paperboard tubes by helical winding and tubes obtained by the said method
    Patent number: 4473368
    Abstract: The invention relates to a method and a machine for manufacturing tubes particularly of paperboard or cardboard by helical winding of a strip or of several strips of paper. This machine comprises a stationary frame supporting a stationary winding mandrel, a system for driving in rotation the tube in formation and a movable frame supporting in particular a device for positioning and guiding the paper strips to form a web, this movable frame being connected to the stationary frame by a coupling device in rotation around a swivel pin. This machine comprises operating means for angular displacement of the said movable frame monitored by a preset value of the angle of winding of the web on the stationary mandrel.
    Type: Grant
    Filed: October 29, 1981
    Date of Patent: September 25, 1984
    Assignee: Abzac S.A. Cartonnages
    Inventor: Jean-Louis Meyer