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8142339 Method and apparatus for incorporating objects into cigarette filters  
Cigarette filter rods having individual objects positioned at predetermined intervals therein are prepared by transferring the individual objects from a rotating horizontal pan to a rotating...
8118721 Method and apparatus for compiling groups of filter segments when producing multi-segment filter asemblies  
A method of making segmented filters including moving substantially identical segments of one type at uniform rate to a transferring element, which places each segment separately on an exit path....
7972254 Apparatus for inserting objects into a filter component of a smoking article, and associated method  
An apparatus for manufacturing a rod member for a cigarette filter element, is provided. Each rod member defines a longitudinal axis and includes a generally longitudinally-extending filter...
7793665 Filtered cigarette incorporating a breakable capsule  
A filtered cigarette possesses at least one breakable capsule in its filter element. The filter element can possess a central cavity extending from the cigarette tobacco rod towards the middle of...
7674218 Filter component cutting system  
A filter component cutting system comprises a supply hopper of elongate filter rods and a cutting drum with spaced apart flutes on an exterior surface of the drum for receiving the elongate filler...
7578777 Equipment for manufacturing composite filters  
Filter elements made up of least two axially aligned plugs are advanced in succession by a feed unit along a first path and in a first direction, with the plugs oriented along a second direction...
7547271 Filter rod making machine  
A filter rod making machine comprises a tow treatment section (10) for forming a filter web (WF) from fibrous tow (T), a scatter device (42) for scattering activated carbon grains (PC) evenly over...
7435208 Degradable slitted cigarette filter  
A cigarette filter comprises an elongate filter component having a longitudinal axis. A plurality of spaced apart slits generally perpendicular to the longitudinal axis of the filter component...
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...
6783617 Method of densifying streams of filter material for tobacco smoke  
A filter rod making machine wherein successive increments of a stream constituting a converted tow of filamentary filter material for tobacco smoke are contacted by a compressing tool which is...
6701934 Apparatus for making cigarettes with composite filters  
Double-filter cigarettes are produced by inserting different filter components between two rods of tobacco. This is attained by inserting filter components of different final lengths, obtained from...
6537186 Process and apparatus for high-speed filling of composite cigarette filters  
A process of manufacturing composite filter stock is provided that includes several steps. In a first step, a paper carrier strip feeds along a conveyor. Along one edge of the carrier strip, the...
6427699 Method and apparatus for making cigarettes with composite filters  
Double-filter cigarettes are produced by inserting different filter components between two rods of tobacco. This is attained by inserting filter components of different final lengths, obtained from...
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...
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...
5203757 Method and apparatus for producing tobacco smoke filter rods  
Filter tow comprising crimped spun fibers and/or filaments is prepared in a preparation zone and fed to a processing zone where it is gathered, in an intake zone, then wrapped and cut into tobacco...
5195543 Balanced flow tobacco smoke filter  
A cigarette filter having a core of synthetic fibrous filter material and an outer plug wrap is provided with a group of longitudinal bores and a group of peripheral channels in the core to improve...
4997415 Continuous rod-making machine  
A ledger assembly for a continuous rod cut-off includes a rigid beam (12) carrying ledger tubes (10) and pivotally supported by fibreglass springs (16,22). Vertical springs (22) resist the cutting...
4943272 Apparatus for manufacturing cigarette filter  
A filter-manufacturing apparatus comprises a cutting drum, which has transporting grooves and adapted to receive filter rods having a prescribed length. An annular slit is formed in the...
4928713 Cigarette making machines  
A rod cut-off in a cigarette making machine includes a cutting device 32 having a first drive 34, a ledger 10 for supporting the rod during cutting and having a second drive 22, separate from the...
4926887 Apparatus for manipulating rod-shaped articles  
Apparatus for manipulating plain cigarettes between the cutoff of a cigarette making machine and the next-following machine, such as a filter tipping machine, has an elongated guide with a...
4917660 Apparatus for producing cylindrical filters  
Tows of fibers are wrapped around a mandrel or a central fiber core to form a cylindrical filter. At least one belt is located in position to make essentially linear contact with the cylindrical...
4841993 Method of and machine for making filter cigarettes  
A mass-producing filter tipping machine wherein two coaxial plain cigarettes of unit length are simultaneously severed to yield pairs of coaxial plain cigarettes of unit length which are moved...
4791943 Cigarette filter unit and method for the production thereof  
In order, when a cigarette is being smoked, to reduce, or even reverse, the tendency of the condensate-content to increase, a cigarette filter unit is proposed in which at least one partition...
4525161 Method for producing tobacco smoke filters  
A method is disclosed for producing tobacco smoke filters wherein a continuous tube of smoke filtration material is ensheathed in a smoke-pervious layer of fibrous material. The ensheathed tube is...
4508525 Method and apparatus for producing tobacco smoke filter having improved tar/carbon monoxide ratio  
A method and apparatus for producing tobacco smoke filter having an improved tar/carbon monoxide ratio is disclosed. The filter is obtained by sealing off the center portion of the filter with an...
4507107 Filter manufacturing technique  
Method and apparatus for producing axially elongated, self-sustaining, dimensionally stable smoke rods or the like from filamentary tow by feeding the tow into a confined zone having a non-porous...
4501579 Cigarette filter units  
The invention concerns a method for producing a cigarette filter unit, in which filter elements are disposed on a porous or perforated covering strip and at least partially wrapped thereby and...
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...
4436517 Apparatus for making transverse flow cigarette filters  
In apparatus for making transverse-flow cigarette filters, a rod of cellulose acetate impregnated with a plasticizing agent and having a porous covering is cut into sections each having a length of...
4425106 Production of cigarette filter units  
The invention concerns a method for producing a cigarette filter unit, in which filter elements are disposed on a porous or perforated covering strip and at least partially wrapped thereby and...
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...
4385536 Apparatus for forming an aeration groove in a filter  
An apparatus for forming an aeration groove in a filter which is composed of a body of entrainment-type fiberous filter material and a layer of plug wrap paper circumferentially about the body. The...
4321050 Apparatus for severing and shifting plugs for cigarettes or the like  
Filter plugs of double unit length are fed sideways into successive flutes of a rotating drum which moves successive plugs past a rotary knife so that each plug yields two coaxial sections of unit...
4259130 Production of rod-shape elements  
A continuous strand consisting of loose filamentary and/or fibrous material is brought into engagement with a conveying and forming belt in at least approximately tension-free condition by means of...
4252527 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....
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...
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...
4223597 Method of the production of cigarette filters  
In a method of producing a cigarette filter, the filter material being visible through a filter chamber, the steps include spacing a plurality of filter elements successively apart at uniform...
4216706 Manufacture of smoking articles  
A process and apparatus for producing filter cigarette tubes is disclosed. A string of filter plugs is advanced continuously in longitudinal abutting relationship to a separating and accelerating...
4184412 Pocket-type charcoal filter and cigarette made therewith  
The apparatus for making the filter forms a stream of tow into a U-shaped trough so that charges of charcoal can be injected into the trough by a charcoal wheel. The shape of the tow is ensured by...
4179323 Method for making a hollow filter rod  
The apparatus is constructed to produce a hollow filter rod. The apparatus includes a mandrel through which a supplied length of tubing is passed, a nozzle surrounding the mandrel for shaping a...
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...
4164438 Method of making transverse flow of cigarette filters  
A method of making a filtering member of cellulose acetate for cigarette filters of the transverse flow type in which a rod formed by a bunch of cellulose acetate fibres coated with plasticizing...
4100845 Method and machine for producing filter elements for tobacco smoke  
A filter element for use as a mouthpiece for filter cigarettes, cigarillos or cigars has an inner tubular wall with lugs which are bent inwardly from the material of the inner wall, and an outer...
4090424 Apparatus for cutting filter plugs from a moving filter rod stream  
The apparatus employs two pairs of cutting discs which are diametrically spaced apart on a rotating drum to sever two filter plugs at a time from a travelling rod of filter material. The plugs are...
4075936 Method and apparatus for making tobacco smoke filter  
Tobacco smoke filters and methods and means for making same wherein the products have both internal and external cavities, with the external cavities being of a limited nature so as to provide a...
4063494 Apparatus for making filter rods for cigarettes  
The apparatus employs two cutting discs which are spaced apart from each other laterally to sever plugs of different lengths from a travelling rod of filter material. The plugs alternate in size,...
4046064 Filter rod making machine  
A filter rod making machine wherein the two is withdrawn from a bale by a first pair of driven rolls which form part of a tow stretching device. The rolls are preceded by a braking device having a...
4036119 Method and machine for the production of composite filter mouthpieces  
Filter mouthpieces with one or more thin filter disks consisting of a first filter material and one or more filter plugs consisting of a second filter material are produced by inserting filter...
Matches 1 - 50 out of 86 1 2 >