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US 4,340,074 AGranted
Cigarette material having non-lipsticking properties
AssigneeBrown & Williamson Tobacco Corporation
InventorThomas T. Tudor
Life of this patent
Estimating the term…
Abstract
A cigarette tipping material having non-lipsticking properties includes preselected areas of the tipping material provided with non-lipsticking coatings with other preselected uncoated areas having perforations therein.
Claims3
A method of making a cigarette tipping material comprising the steps of:
- (a) passing a sheet of tipping material through a means for adding a coating having non-lipsticking properties thereto in a preselected pattern, said means to add a coating including a pair of cooperating rollers, one of said rollers being a pressure roller, the other of said rollers being a rotogravure roller having an unengraved surface therein in preselected areas, said rollers being mounted in contacting relationship to receive said tipping material therebetween;
- (b) drying the coating;
- and,
- (c) passing the coated material through means to add perforations thereto.
1 more element
Dependencies are inferred from the claim text.