With Tobacco Rod Preshaper Patents (Class 131/64.1)
  • Patent number: 11800889
    Abstract: An example embodiment includes a tongue includes a forming surface of a forming channel, the forming channel configured to enable the shaping of shredded material into a desired form as a shredded material is drawn through the forming channel and an arrangement to introduce at least a portion of a web component adjacent a portion of the forming surface such that the introduced web component portion may be operative upon the drawn shredded material as a source of additional drawing action. The tongue may include an arrangement to draw a moving web into the tongue through a channel that converges with the working surface of the tongue, whereby the moving web is interposable between a moving column of shredded material and the first surface portion of the working surface to reduce friction. The tongue may further comprise an arrangement comprising a scalloped surface portion along the working surface of the tongue.
    Type: Grant
    Filed: February 26, 2018
    Date of Patent: October 31, 2023
    Assignee: Altria Client Services LLC
    Inventors: Patrick S. McElhinney, Dwight D. Williams
  • Patent number: 8397779
    Abstract: This invention relates to a material application system for applying material to a wrapper. The material application system comprises a material applicator means and an electronic application control means. Also provided is a rod making machine comprising a rod making section and the material application system. The invention also provides a method of applying material to a wrapper used in the tobacco industry comprising supplying a wrapper and applying a material to the wrapper using a material applicator and an electronic applicator control means therefore, which electronic applicator control means ensures accurate location of material application in an electronically adjustable variable manner.
    Type: Grant
    Filed: April 29, 2004
    Date of Patent: March 19, 2013
    Assignee: British American Tobacco (Investments) Limited
    Inventors: Andrew Jonathan Bray, William David Lewis, Steven Holford
  • Patent number: 6321756
    Abstract: The invention relates to a suction strand conveyor of a cigarette strand machine, which is guided around a contact wheel in an inlet area of a shaping arrangement. A plurality of suction air channels connect an inner bearing space of the contact wheel and an outer surface of the contact wheel with a suction chamber of the suction strand conveyor belt and provide a permanent removal of tobacco dust.
    Type: Grant
    Filed: March 3, 2000
    Date of Patent: November 27, 2001
    Assignee: Hauni Maschinenbau AG
    Inventor: Henning Thiele