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An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 7338421 | Method and a device for making filters for tobacco products Filters for tobacco products are manufactured by a device comprising a conveyor drum rotatable about a horizontal axis and furnished with peripheral grooves, each holding a leaf of paper material preassembled with a first filter element. The single groove is flanked... | 03/04/2008 |
| 7318797 | Continuous rod machine arrangement for producing nonwoven filters The invention relates to a method for producing a nonwoven fiber composite for the manufacture of filters in the tobacco industry, wherein the method feeds separated fiber materials to a fluidized bed and the separated filter material inside the fluidized bed are tr... | 01/15/2008 |
| 7300394 | Method and device for producing a filter rod Method and device for producing a filter rod. The method includes melting at least one first type of filter material, pressing the at least one first type of filter material through at least one nozzle, depositing the at least one first type of filter material on a ... | 11/27/2007 |
| 6932752 | Multiple garniture belt drive system for filter rod machinery A machine for producing an endless filter rod comprises a multi-section garniture and a multiple garniture belt drive system that includes several garniture belts having linear aligned portions for delivering filter paper with filter components thereon through the s... | 08/23/2005 |
| 6918867 | Production of filter elements not suitable for cutting A method and apparatus for producing multi-segment filter elements in the tobacco-processing industry. The multi-segment filter elements each include a first filter segment and at least one second filter segment. A sleeve element is arranged in the first filter segm... | 07/19/2005 |
| 6336896 | Automatic filter tip attaching machine An automatic filter tip attaching machine includes a mechanical structure moved by a computer program to automatically attach three filter tip stages a, b, c to cigarettes, with a chemical powder filled in the filter tip b to absorb nicotine and tar compl... | 01/08/2002 |
| 6062228 | Biodegradable filter material and method for its manufacture There is provided a biodegradable filter tow or filter material from renewable raw materials for the use as a tobacco smoke filter element of cigarettes, cigars or pipes as well as a method for preparing it, wherein fibers, films or foams prepared in an e... | 05/16/2000 |
| 4869274 | Cooling apparatus for use in the manufacture of tobacco filters Apparatus for use in cooling heated filter rods particularly in the manufacture of cigarette filters is in the form a conduit through which the heated filter rod material is passed axially while being subjected to a flow of coolant gas. The conduit is pro... | 09/26/1989 |
| 4770193 | Manufacture of tobacco smoke filters A smoke filter and a method for manufacturing the filter from a continuous multifilament filter tow are described in which a portion of the filter tow is treated with a dye to impart color to a discrete elongated zone of dye-treated filaments that is in s... | 09/13/1988 |
| 4631045 | Apparatus for producing a rod-like smoking article with secondary air channels A rod-like smoking article with a rod-like mouthpiece core at the mouth end of a tobacco rod, the entire periphery of said mouthpiece core being enveloped by an adhered wrapping paper which is suitable for contact with the lips and which overlappingly fol... | 12/23/1986 |
| 4411640 | Apparatus for the production of cigarette filter tips having multi-sectional construction The apparatus is provided with a cutter having pairs or rotary knives for cutting a filter rod into plural filter plugs and a pin wheel for positively ejecting the filter plugs in spaced array onto a conveyor. The apparatus also has a rotary feed means fo... | 10/25/1983 |
| 4411641 | Method for producing a tobacco smoke filter plug A method and apparatus for producing a tobacco smoke filter having a double structure composed of one inner core phase in a special fibrous arrangement and an outer skin layer in a different fibrous arrangement surrounding the core phase. The tobacco smok... | 10/25/1983 |
| 4208956 | Glue transfer apparatus for cigarette filters A filter is formed by placing increments of glue in spaced apart relation on a moving stream of plug wrap paper and thereafter depositing alternating fibrous filter sections on the glue increments. Particulate material is then deposited between the fibrou... | 06/24/1980 |
| 4093496 | Apparatus for assembling rod-like articles Composite filter rods, from which composite filters for attachment to cigarette lengths are obtained, are produced by joining component filter portions with uniting bands which overlap the end portions only of adjacent filter portions. The uniting bands a... | 06/06/1978 |
| 4064791 | Method and apparatus for making tobacco smoke filter Tobacco smoke filters and methods and means for making same wherein the products have an elongated annular intermediate member overwrapped with a conventional plug wrap, with discrete inner plugs of a length shorter than the intermediate member and offeri... | 12/27/1977 |
