The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 1979
Filed:
May. 19, 1972
Hauni-Werke Korber & Co. KG., , DE;
Abstract
A filter rod making machine wherein a continuous tow of fibrous filter material is flattened to form a foraminous layer prior to passage through an impregnating station where an atomizing nozzle or a revolving brush sprays particles of atomized plasticizer against one side of the layer. An intercepting plate is placed in contact with the layer opposite the nozzle or brush so that the particles which penetrate across the layer and reach the plate are entrained by successive increments of the layer to thus insure that each unit length of the layer contains the same quantity of plasticizer. The rate of delivery of plasticizer to the brush or nozzle is changed in automatic response to changes in forward speed of the layer.