Tobacco – Cigar or cigarette making – Including cooperating surfaces to induce rolling
Patent
1979-03-05
1980-08-26
Pellegrino, Stephen C.
Tobacco
Cigar or cigarette making
Including cooperating surfaces to induce rolling
131 20R, 131 9, A24D 104, A24D 300
Patent
active
042190312
ABSTRACT:
A smoking product comprising a porous self-supporting central core of carbonized matter circumscribed by tobacco shreds is disclosed. The preferred method for making the core of the smoking product involves the forming of a precursor rod of loosely twisted or substantially non-woven cellulosic material containing additives for ash control, and pyrolyzing said rod by heating in an inert atmosphere to produce a carbonized integral rod consisting of at least about 80 percent carbon. Tobacco shreds and a wrap are applied to the pyrolyzed core to complete the preparation of the smoking product.
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Full Donald A.
Rainer Norman B.
Pellegrino Stephen C.
Philip Morris Incorporated
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