Method and apparatus for increasing the filling capacity of shredded tobacco tissue
CA 1047352 A · Owner: American Brands · Inventors: Glock, Eugene; Merwin, Owen T.; Ashworth, James G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus and method for increasing the filling capacity of a total blend of cut tobacco comprising first means for elevating the temperature and moisture content of the tobacco to at least about 130°F. and above about 15% respectively, means for forming a thin laminar dispersion of the tobacco about, 1 inch thick, in a hot gas, and means operatively connected to said first means for rapidly lowering the moisture content of the thin dispersion of tobacco to about its making moisture within about five seconds such that the tobacco has achieved an expanded and opened condition with improved filling capacity.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted January 30, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.