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:
Apr. 13, 1993
Filed:
Mar. 08, 1991
Applicant:
Inventors:
Otto Blaffert, Schenefeld, DE;
Meinhard Meyer, Appen-Unterglinde, DE;
Herbert Struck, Wedel, DE;
Arno Weiss, Norderstedt, DE;
Assignee:
B.A.T. Cigarettenfabriken GmbH, Hamburg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A24C / ;
U.S. Cl.
CPC ...
131 841 ; 131 94 ;
Abstract
The invention relates to a method and an apparatus for the production of a coaxial tobacco or filter rod, a first production machine processing a strip-like first covering material and a stream of filling material to give a preformed rod which is deposited in a special magazine in order to be removed again therefrom in due course and supplied to a second production machine which brings the preformed rod together with a stream of filter or smoking material and a strip-like second covering material and processes it to form the coaxial tobacco or filter rod.