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Class 131/904 - PNEUMATIC MEANS FOR SENSING CONDITION OR CHARACTERISTIC


Subclass of Class 131 - Tobacco
Definition: Process or apparatus relating to the manufacture of a tobacco
No. of patents: 33
Last issue date: 06/04/2002


NumberTitleIssue Date
6397663Sealing device for the end portions of rod-shaped smokers' products having non-circular cross-sectional outlines
A conveyor for testing successive plain or filter cigarettes or other rod-shaped smokers' products having non-circular (such as oval) cross-sectional outlines employs a rotary drum-shaped conveyor for sidewise transport of smokers' products toward, throug...
06/04/2002
5592954Measuring cigarette pressure drop
A cigarette making machine is provided with a pressure drop measuring unit (1) located at or close to the garniture of the making machine. The pressure drop of a gas stream of constant volume is introduced into the compacted tobacco rod beneath the format...
01/14/1997
5503166Dilution monitoring system for filter cigarettes
A dilution monitoring system for filter cigarettes has pairs of pressure sensors provided individually for left- and right-hand manufactured filter cigarettes, a dilution processor card adapted to receive pressure signals from the pressure sensors through...
04/02/1996
5490526Apparatus for applying air pressure to a rod-shaped article through which air can be circulated
An apparatus has an inspection drum, suction grooves arranged on the outer peripheral surface of the inspection drum and adapted to receive and transport filter cigarettes as the inspection drum rotates, and pads arranged on the inspection drum so as to b...
02/13/1996
5369985Sealing element for the ends of rod-shaped articles of the tobacco processing industry
A sealing element for use in the testing of cigarettes or other rod-shaped articles of the tobacco processing industry has an elastic tubular body with an end portion having an axially movable end wall and an annular lip extending beyond the external surf...
12/06/1994
5369986Sealing element for use in cigarette testing apparatus
A sealing element for the end portions of cigarettes or other rod-shaped articles of the tobacco processing industry has an elastic tubular body defining a longitudinally extending passage for the flow of air or another testing fluid from one end of an ar...
12/06/1994
5284165Statistical ventilation control device for ventilated cigarettes
A statistical ventilation control device for ventilated cigarettes, wherein an annular conveyor presents a number of seats, each receiving a respective ventilated cigarette arranged perpendicular to the traveling direction of the conveyor; one of the afor...
02/08/1994
5186183Method and apparatus for detecting micro-holes or examining the state of micro-holes formed on each of rod-like matters
In an apparatus for detecting micro-holes of a cigarette having a filtered section, cigarettes are successively carried to a support section which is rotated and each of the cigarettes is supported between pads 14a and 14b. The supported cigarette is move...
02/16/1993
5179965Apparatus for forming micro-holes on cylindrical objects
In an apparatus for forming micro-holes on a cigarette, a laser beam is divided into first and second laser beams by a two-dividing mirror. Parts of the laser beams are detected by photo detectors, respectively and the other parts of the laser beams are g...
01/19/1993
5022415Machine for simultaneously manufacturing two continuous cigarette rods
A machine for simultaneously manufacturing two continuous cigarette rods, whereby a continuous stream of shredded tobacco particles is fed to the bottom end of conveying means by which it is fed on to a pair of parallel suction conveyors traveling in a gi...
06/11/1991
4955398Relating to the monitoring of rod-like articles
The invention is based on the realization that for a rod-like article, a cigarette for example, having a plurality of ventilation gas flows, the flows can be equated to a single equivalent flow nominally occurring at an "equivalent ventilation point". By ...
09/11/1990
4953573Rod monitoring device
A sensor for detecting open longitudinal seams in the continuous wrapper of cigarette or cigarette filter rod produced by a continuous rod-making machine relies on detection by a microphone (54) of disturbance caused by the defective seam to an air stream...
09/04/1990
4945927Continuous cigarette rod manufacturing machine
On a continuous cigarette rod manufacturing machine the paper strip enveloping the rod is fed by the combined action of a conveyor, for forming the rod, and a layer of tobacco fed by a suction conveyor from a supply duct into a loading position on the pap...
08/07/1990
4865051Apparatus for the continuous determination of two physical properties of the constituents of a smokable article
An apparatus for the continuous determination of two physical properties of the constituents of a smokable article from the mechanical properties of a rod of tobacco or filter fibres during the production of said rod employs a format finger for compacting...
09/12/1989
4860772Method of and apparatus for making a rod of fibrous material
A shower of fibrous material is directed against the underside of the lower reach of a foraminous endless belt conveyor so that the fibrous material gathers into a continuous stream which is attracted to the conveyor by suction and is moved longitudinally...
08/29/1989
4811744Apparatus for measuring the draw resistance of a rod of tobacco fibers
An apparatus for the continuous measurement of the draw resistance of a cigarette, comprising transducer which detects the pressure drop of a gas stream with constant volume, said gas stream being introduced at a format finger of a rod-producing machine i...
03/14/1989
4616662Method and apparatus for producing a rod-shaped filler from several types of smokable material
A continuous rod-like filler is formed in a cigarette rod making machine on an endless foraminous belt conveyor by depositing a row of spaced-apart batches consisting of a first type of tobacco at one side of the conveyor, holding the batches by suction, ...
10/14/1986
4574816Method and apparatus for forming a filler of fibrous material
A continuous rod-like filler which is ready for draping into a web of cigarette paper is obtained by removing the surplus of tobacco from a continuous tobacco stream which is formed at one side of a foraminous belt conveyor the other side of which is adja...
03/11/1986
4567752Cigarette monitoring
A cigarette making machine includes apparatus for determining the internal pressure of an axially moving cigarette rod comprising forming a continuous rod in which a wrapper web surrounds a tobacco filler including an endless impervious flexible tape arra...
02/04/1986
4474190Method and apparatus for regulating the operation of machines for the production of cigarettes or the like
Pileups of tobacco particles at or between the inlet of the draping mechanism and the stream forming station in a cigarette maker are ascertained by a device which monitors the density of successive increments of the cigarette stream prior or subsequent t...
10/02/1984
4463767Continuous twin rod cigarette-making machine
A continuous twin rod cigarette making machine operable to permit the simultaneous formation of two continuous rods of cigarette starting from two layers of tobacco supported by suction beneath respective suction conveyors located above respective ascendi...
08/07/1984
4363332Detection of rod-like articles
Cigarettes, as they are grouped in batches to be packed, have their ends detected for firmness or for missing filter tips, by having an array of individually actuated plungers (9) applied to their ends. Each plunger is actuated by air pressure acting on a...
12/14/1982
4306573Method and apparatus for producing rod-like tobacco fillers
A growing tobacco stream is formed at the underside of a foraminous belt conveyor and is transported past two trimming devices to be converted into a rod-like filler which is thereupon draped into cigarette paper and severed to yield discrete plain cigare...
12/22/1981
4284087Method and apparatus for producing an elongated wrapped rod from fibers, especially tobacco shreds
The making of an elongated tobacco stream which is to be densified, wrapped and severed for conversion into discrete cigarettes is controlled in dependence on the resistance of the stream to the flow of a gaseous fluid thereacross prior to removal of the ...
08/18/1981
4280516Method and apparatus for producing a continuous filler of tobacco or the like
The production of an elongated filler which is to be densified, wrapped and severed to yield discrete cigarettes is controlled in dependence on the mass flow of the filler after densification and is influenced by a parameter, such as the height, density, ...
07/28/1981
4196740Method and apparatus for regulating the filling force of tobacco in cigarettes
The filling force of compacted tobacco in the fillers of filter cigarettes which issue from a filter tripping machine is measured for the purpose of increasing the quantity of tobacco in the filters when the filling force decreases and visce versa. The fi...
04/08/1980
4112954Testing of cigarettes
A cigarette filter attachment machine with a wrapper testing facility includes means for feeding pieces of tipping paper each of which is wrapped around associated tobacco and filter portions to join those portions to one another; means for testing the wr...
09/12/1978
4103535Method and apparatus for examining rod-shaped articles
Diverse values of a characteristic of rod-shaped articles, such as circumference dimensions, are stored in a signal-addressable memory connected in read-out manner to display units. An article to be examined is disposed in a pressurized conduit and back p...
08/01/1978
4069829Manufacture of cigarettes and the like
A continuous carpet of particulate cigarette filler material, of which part along one side comprises core such as a low quality tobacco or non-tobacco material and the remainder comprises normal tobacco, is rolled by means of an air jet, starting from the...
01/24/1978
4059120Manufacture of cigarettes
This invention is concerned with cigarette making systems including a testing device for detecting bad quality cigarettes. Basically, the cigarette testing device is itself tested by deliberately making test cigarettes containing predetermined faults and ...
11/22/1977
4036238Apparatus for controlling amount of tobacco filler in cigarette manufacturing machine
An apparatus for controlling an amount or mass per unit length of a tobacco filler in a cigarette manufacturing machine by utilizing the interrelation between a characteristic of the tobacco filler, for example air-permeation, radiation ray-permeation or ...
07/19/1977
4020851Apparatus for monitoring the operation of cigarette making machines or the like
The absence of continuity of a single file of rod-shaped articles which are formed by the cutoff of a cigarette or filter rod making machine is monitored by an apparatus having two spaced-apart air discharging nozzles one of which is located upstream and ...
05/03/1977
3930508Wrapper absence detecting and control device for cigar machines
A pneumatic-electric, or a pneumatic sensing and control system is used in a cigar making machine to prevent a wrapper or binder paster from operating and a formed tobacco member from being delivered to the roller nest when a tobacco strip is not transfer...
01/06/1976
 
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