Class 493/4 - Cigarette filter making

Subclass of Class 493 - Manufacturing container or tube from paper; or other manufacturing from a sheet or web
Definition: Method or apparatus including forming of an article of commerce
No. of patents: 38
Last issue date: 08/28/2007

Number	Title	Issue Date
7261681	Method and apparatus for applying additive to a moving, spread-out filter material web A method and apparatus for supplying an additive to a moving web of filter material of the tobacco-processing industry are provided. An adjustable window defines an opening, and additive is applied through the window opening onto the web. ...	08/28/2007
7144356	Adjustable, self-correcting web substrate folding system An adjustable, web-folding system for folding a web substrate. The adjustable web folding system has an adjustable folding detour and at least one sensor for measuring a characteristic of a web substrate. A surface of the adjustable folding detour, or the folding de...	12/05/2006
7140164	Method of and apparatus for applying adhesive to running webs of paper and the like A novel and improved method of applying adhesive to one side of a running web of wrapping material for a rod-like filler of filter material for tobacco smoke includes directing toward the one side of the web a stream of adhesive which issues from an open-and-shut or...	11/28/2006
7074170	Method and apparatus for making cigarette filters with a centrally located flavored element A filter making apparatus includes a positioning device having a passageway therethrough, with the passageway guiding a continuous flavor element such as a continuous strand of textile material from an inlet of the passageway to an outlet of the passageway. A liquid...	07/11/2006
7004896	Method and arrangement for producing compound filters A method and arrangement are provided for producing compound filters for products in the tobacco-processing industry. A filter tube, having a filter element in a central region of the filter tube, is supplied to a predetermined position. Predetermined portions of fi...	02/28/2006
6944511	Method of controlling an automatic machine A method and unit for controlling an automatic machine having a number of operating devices located along a production line for producing a succession of articles; at least one operating device having an adjustable work member, which operates in a repetitive work cy...	09/13/2005
6645133	Apparatus for transporting unwound webs of wrapping material for smokers' products A web of air-permeable uniting band material for use in a filter tipping machine is advanced lengthwise by a first pair of driven rollers and a second pair of driven rollers, first through a magazine which is located between the two pairs of rollers, ther...	11/11/2003
6264591	Plug combiner inspection system and method A cigarette filter rod system comprises a plug combiner machine having a knife located downstream from a sensor. The knife generates a trigger signal which prompts an Inspection Unit to locate a previously stored frame of sensor data corresponding the rod...	07/24/2001
5733234	Method and apparatus for producing fiber skeins A method of producing at least one filter skein for cigarettes and other smokable rod-shaped articles, from at least one filter tow strip comprises the steps of: (a) drawing at least one filter tow strip, from at least one supply, (b) feeding the at least...	03/31/1998
5466209	Cigarette filter-rod manufacturing device The object of the present invention is to provide a low-priced automatized weight control device for filter-rods, able to be easily installed in present manufacturing facilities and to be operated easily without any need of special equipment or special op...	11/14/1995
5460590	Method and apparatus for producing fiber skeins A method for producing at least one fiber skein for the production of filters for cigarettes and for other smokable rod-shaped articles, comprises the steps of drawing from a supply at least one filter tow strip, supplying the drawn fiber strip to a subse...	10/24/1995
5429575	Cigarette filter manufacture In a cigarette filter rod manufacturing plant at least one tow bale (6; 108) is located in a position remote from the corresponding tow opening machine (2; 100) and a conveying system (10; 112) is provided for transporting the tow to the machine. In a pre...	07/04/1995
5284164	Method for improving the quality of products produced in the cigarette manufacturing process The present invention comprises a method for improving the quality of products produced in a cigarette manufacturing process. Selected machine operating parameters for at least one machine are monitored, as well as the product being produced. Samples of t...	02/08/1994
5234397	Method of and apparatus for making composite filter rod sections for use in filter tipping machines A continuous tow of filamentary filter material is advanced past a rotary applicator which delivers metered but variable quantities of a second filter material (such as granulated or pulverulent charcoal) into successive increments of the tow. The tow and...	08/10/1993
5226432	Method of and apparatus for draping rod-like fillers into webs of wrapping material A continuous rod-like filler of tobacco or filter material for tobacco smoke and a continuous web of cigarette paper or other wrapping material are advanced at a plurality of different speeds toward and into a wrapping mechanism wherein the web is draped ...	07/13/1993
5116298	Control process and apparatus for the production of cigarette filters To improve quality control a cigarette filter manufacturing line is provided with a testing station which periodically removes a filter to test the diameter and resistance to draw. The mean diameter and RTD of a number of filters is calculated and compare...	05/26/1992
4724429	Diagnostic and control system for cigarette filter rod making machine A system for monitoring each of multiplicity of variables in the operation of a filter rod making machine includes sensors located at various points on the machine. These sensors measure the value of such variable parameters as the width of the tow, the a...	02/09/1988
4699606	Apparatus for detecting and/or controlling tension of a moving web, for example, a filamentary tow utilized in the production of cigarette filters Apparatus for detecting and/or controlling tension of a moving web, for example, a filamentary tow, in a preselected zone of a longitudinal path traversed by the moving web. A sensing roller is journally supported by roller support structure, the latter h...	10/13/1987
4676769	Method and apparatus for regulating the resistance of filter rod sections to the flow of gases therethrough The pressure of compressed air in one or more nozzles which convert successive increments of a running tow of filamentary filter material into a rodlike filler in a filter rod making machine is regulated in response to variations in the speed of the fille...	06/30/1987
4648858	Apparatus for manufacturing a cigarette filter tow An apparatus for manufacturing a filter rod having a hollow tube extending longitudinally through the filter rod. The apparatus includes a supply reel of hollow tubing, a supply of filter material web, and a garniture funnel into which the filter material...	03/10/1987
4618339	Conveying continuous filter material In apparatus for conditioning filter tow for subsequent production of cigarette filter rod a stream of filter tow is conveyed from a source by a first drive unit which delivers the tow into a conditioning station. A second drive unit delivers the conditio...	10/21/1986
4571497	Method for continuously measuring the perimeter of wrapped objects Disclosed is a method of continuously determining the perimeter of an elongated object of generally uniform cross section which comprises wrapping the object with a sheet of flexible material having a pair of detectable parallel lines formed thereon, such...	02/18/1986
4567372	Method for continuously measuring the perimeter of wrapped objects of generally uniform cross-section Disclosed is a method of continuously determining the perimeter of an elongated object of generally uniform cross-section which comprises wrapping the object with a sheet of flexible material having a single band imprinted thereon in such manner that the ...	01/28/1986
4511420	Continuous rod manufacture Production of cigarette filter rod is controlled by monitoring the tow (12) or rod (18) to provide signals indicative of tow consumption rate and varying the composition of the rod in accordance with the signals, e.g. to maintain a constant proportion by ...	04/16/1985
4486186	Method and machine for making filter rod sections for cigarettes or the like The trailing end of a running tow of filamentary filter material in a filter rod making machine is spliced to the leader of a fresh tow, and the splice is held at a preselected location ahead of the first tow treating station in the machine. An optoelectr...	12/04/1984
4283998	Method and machine for making a filter rod The mass of successive increments of a wrapped rod-like filler of filamentary filter material is monitored by a beta ray detector and the signals which are generated by the ionization chamber of the dectector are utilized to adjust the ratio of a variable...	08/18/1981
4248139	Manufacture of filters for cigarettes A machine for making cigarette filters from filter tow includes a tow fluffing unit for blowing air into the tow before it is compressed; a suction wheel which compresses the tow while extracting air therefrom; and a tongue which further compresses and sh...	02/03/1981
4238993	Apparatus for monitoring filter rod sections in filter tipping machines A filter tipping machine wherein pairs of coaxial plain cigarettes are united with filter plugs of double unit length by adhesive-coated bands. When a filter plug is missing, a mechanical or a photosensitive filter plug detector transmits a signal to a va...	12/16/1980
4238994	Method and apparatus for monitoring and controlling the production of composite filter mouthpieces for cigarettes or the like A continuous filter rod wherein dissimilar filter rod sections alternate with each other is monitored by a photosensitive detector which detects changes in the degree to which different sections absorb and/or reflect radiation. A pulse generator transmits...	12/16/1980
4175479	Cigarette-filter-making apparatus A cigarette-filter-making apparatus is comprising a pick-up drum rotatable about its longitudinal axis and provided along its circumference with longitudinally extending retaining grooves for the accommodation of individual filter sections and lateral del...	11/27/1979
4055108	Crimper assembly An improved crimper assembly for use in making crimped filter materials is disclosed. The improved features of the assembly include an insulated central heater block which incorporates a steam entrance housing. An anti-stuffing tube is provided in order t...	10/25/1977
4043454	Method and apparatus for producing and controlling the production of composite filter plugs The operation of apparatus for the production of composite filter plugs is controlled by a circuit which employs one or more capacitive detectors mounted adjacent to the path of filter rod sections and transmitting signals which are indicative of the pass...	08/23/1977
4019942	Maintaining plasticizer temperature in tobacco filter rod formation, and apparatus therefor The temperature of the plasticizer material which is applied to a tow band of filter material in a cigarette rod forming operation is maintained at substantially the ambient temperature of the environment in which the forming operation is being carried ou...	04/26/1977
4010678	Method and apparatus for making composite filter plugs Composite filter plugs or mouthpieces for use in filter cigarette making machines are manufactured by moving rod-like filter components or elements of two or more types sideways or partly sideways and shuffling the filter elements to form a series of grou...	03/08/1977
4007668	Crimper assembly An improved crimper assembly for use in making crimped filter materials is disclosed. The improved features of the assembly include an insulated central heater block which incorporates a steam entrance housing. Also provided are side plate bearing blocks ...	02/15/1977
3974007	Method and apparatus for the production of filter rod sections or the like Filter rod sections are produced by moving a tow of filamentary filter material past a device which showers the filaments with atomized plasticizer and by thereupon converting the thus treated tow into a rod-like filler which is wrapped to form a filter r...	08/10/1976
3971695	Method and apparatus for the production of filter plugs Apparatus for making filter plugs wherein the extent to which the tow is stretched or the rate of transport of a uniformly stretched tow to the wrapping mechanism is controlled by a testing unit which determines the resistance of filter plugs to axial flo...	07/27/1976
3958498	Method and apparatus for forming cigarette filters This invention relates to a method and apparatus for forming cigarette filters, including a means for receiving and holding a plurality of filters and a heated probe which can be moved into contact with the filters to form the filters into a desired confi...	05/25/1976

PatentStorm

Quotables

PatentStorm News

Class 493/4 - Cigarette filter making