Tobacco sheet and method and apparatus for the production of a tobacco sheet
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United States of America Patent
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Mar 24, 1992
Grant Date -
N/A
app pub date -
Feb 19, 1991
filing date -
Feb 22, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
With the present invention a tobacco sheet or foil is proposed which has an elevated filling force and consists of tobacco particles, water, binders and moisturizers, and relatively gas-impermeable, in particular surface-sealed cover layers being connected together by a spongy structure which is formed by gas-filled bubbles, and in which cavities are formed having a shaggy, furrowed and/or torn surface.
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