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:
Oct. 24, 2023
Filed:
Mar. 15, 2018
British American Tobacco (Investments) Limited, London, GB;
Gary Fallon, London, GB;
Arnold Herholdt, Stellenbosch, ZA;
Gerhard Le Roux, Stellenbosch, ZA;
John Richardson, London, GB;
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITED, London, GB;
Abstract
A die or die assembly for forming a bundle of fibres into a rod or tube comprises a body () defining a passage) for conducting the bundle fibres through the die from an inlet to an outlet, a constriction () in the passage having an entrance shaped to form the fibres of the bundle into a desired configuration as the bundle passes through the die, and one or more conduits () through which a treatment fluid e.g. steam, for curing the bundle of fibres may be introduced into the passage, and wherein at last one conduit is arranged to discharge fluid in the immediate vicinity of the entrance to the constriction to facilitate passage of the fibres through the die and reduce the risk of blockage.