Methods and equipment for forming tubes of fibrous material

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11945178
SERIAL NO

16496612

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Abstract

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Equipment for forming a tubular rod of fibrous material comprises: a gathering station constructed to receive a continuous supply of fibres and to gather the fibres into a bundle as the fibres advance through the equipment; a divider arranged in the path of the fibres through the equipment and constructed to from a cleft along the length of the bundle as it advances through the equipment; a mandrel positioned in the path of the bundle of fibres in alignment with the divider and constructed to form the cleft into a passage through the bundle of fibres as the bundle of fibres advances over the mandrel; and a die constructed and arranged to cooperate with the mandrel to form the fibres in a tubular configuration around the mandrel.

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Patent Owner(s)

Patent OwnerAddress
BRITISH AMERICAN TOBACCO (INVESTMENTS) LIMITEDGLOBE HOUSE 1 WATER STREET LONDON WC2R 3LA

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Fallon, Gary London, GB 70 226
Herholdt, Arnold Stellenbosch, ZA 6 1
Le, Roux Gerhard Stellenbosch, ZA 21 19
Richardson, John London, GB 181 5575

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