US3644078A - Apparatus for producing nonwoven fabrics - Google Patents
Apparatus for producing nonwoven fabrics Download PDFInfo
- Publication number
- US3644078A US3644078A US871044A US3644078DA US3644078A US 3644078 A US3644078 A US 3644078A US 871044 A US871044 A US 871044A US 3644078D A US3644078D A US 3644078DA US 3644078 A US3644078 A US 3644078A
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- Prior art keywords
- netting
- duct
- screen
- wire
- endless wire
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- A—HUMAN NECESSITIES
- A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
- A24D—CIGARS; CIGARETTES; TOBACCO SMOKE FILTERS; MOUTHPIECES FOR CIGARS OR CIGARETTES; MANUFACTURE OF TOBACCO SMOKE FILTERS OR MOUTHPIECES
- A24D3/00—Tobacco smoke filters, e.g. filter-tips, filtering inserts; Filters specially adapted for simulated smoking devices; Mouthpieces for cigars or cigarettes
- A24D3/02—Manufacture of tobacco smoke filters
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H1/00—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres
- D04H1/70—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres
- D04H1/72—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged
- D04H1/732—Non-woven fabrics formed wholly or mainly of staple fibres or like relatively short fibres characterised by the method of forming fleeces or layers, e.g. reorientation of fibres the fibres being randomly arranged by fluid current, e.g. air-lay
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
Definitions
- ABSTRACT An apparatus for producing nonwoven fabric comprising a duct for blowing fibers, a screen at the open end of said duct, a first endless wire-netting for receiving the fibers passed through said screen to form a band-shaped fiber mass on said first endless wire netting, a second endless wire-netting receiving said fiber mass from said first endless wire-netting, an adhesive sprayer provided at said second wire-netting, a suction section opposite to said sprayer, a dryer provided at said second wire-netting, a third endless wire-netting receiving said fiber mass from said second wire-netting, a second adhesive sprayer provided at said third wire-netting, a second suction section opposite to said second sprayer, a fourth endless wirenetting receiving said fiber mass from said third wire-netting, and a second dryer provided at said fourth wire-netting.
- the present invention relates generally to the manufacture of nonwoven fabrics by using synthetic fibers, natural fibers or mixtures thereof, and particularly to an apparatus for producing voluminous and uniform nonwoven fabrics for cigarette filter tips especially from pulp fibers.
- the garnett method for example, is chiefly designed for treatment of such synthetic fibers as having rather long fiber length, and is not suitable for treatment of natural fibers.
- the garnett method the very short fibers such as natural fibers or some of synthetic fibers are liable to get stuffed in the spaces of the garnett machine, or otherwise a part of these fibers are often sucked up in the suction section, thus making it quite impossible to attain the intended object.
- this method proves totally inefficient for the treatment of bonded fibers. This is the same case with the aforementioned carding method and air lay method.
- the nonwoven fabric producing apparatus employing this method had its unavoidable limitation in its treating rate.
- impossibility of treatment of bonded fibers produces nonuniformity in the resulting texture.
- an undesirable orientation comes out in the fiber arrangement of the finished nonwoven fabrics and also a difference in strength between the lengthwise and transverse directions is produced in the resultant nonwoven fabrics.
- the aforementioned air lay method in which the unraveled fibers blown with the air are jetted out of the nozzle through conduits, is also accompanied with difficulties in uniformly guiding the airstream onto the endless wire-netting and therefore often results in producing such nonwoven fabrics as having nonuniform texture.
- the present invention is to provide an apparatus for producing nonwoven fabrics in which the above-mentioned defects seen in the conventional methods are eliminated. lt is characteristic of producing voluminous nonwoven fabrics having uniform texture from comparatively short fibers at an extremely high rate, the resulting nonwoven fabrics being used particularly for cigarette filter tips.
- the pipe powder comprising the adhesive and fine fibers is inhaled along with the tobacco smoke into the mouth and into the lungs of the smoker, causing not only unpleasant feeling to the smoker but also harmful effects to the human system. Further, the sucking resistance and nicotin absorption at the time of smoking is not uniformly effected in this filter tip.
- thermoplastic fibers or the mixture of natural fibers and thermoplastic fibers are spread over the endless wire-netting and then embossed by,.for example, heat gauzelike rolls, there are often produced unheated portions where the intended binding is not effected.
- the material when molded into a filter tip, gives rise to such inconveniences as mentioned above.
- the gauzelike heat pressure rolls are pressed to the synthetic fiber mass, there is produced nonuniformity in basis weight in grams per sq. meter and in thickness of the fiber mass, since the fibers are very likely to be attached to the heat rolls.
- difference of weight as well as suction resistance, hardness and nicotine absorbing rate is observed among individual products.
- the fiber mass is formed with grooves having alternative ridges and valleys, which produces difference of density in the mass and may invite nonuniformity, when the mass is shaped into filter tips, and may consequently spoil the external appearance of the filter tip section.
- the cigarette filter tips are molded with the ridges being laid onto other ridges and the valleys onto other valleys, the sucking resistance is strengthened, thereby making it difficult to conduct comfortable smoking and to effect generally uniform filtering operation.
- the difference of strength between the portions of ridges and valleys and the portions therebetween results in reduction of strength of the fiber mass as a whole and makes it difficult to put it to a highspeed molding machine.
- the obtained cigarette filter tips come expensive.
- FIG. 1 is a diagrammatic side view showing an apparatus according to this invention
- FIG. 2 is a fragmentary side view, partly in section, showing a modification of a portion of the apparatus shown in FIG. 1;
- FIG. 3 is a fragmentary side view, partly in section, showing another modification of the portion of the apparatus shown in FIG. 1;
- FIG. 4 is a fragmentary side view, partly in section, showing still another modification of the portion of the apparatus shown in FIG. 1;
- FIG. Si is a plan view of FIG. 4;
- FIG. 6 is a fragmentary side view, partly in section, showing still another modification of the portion of the apparatus shown in FIG. I;
- FIG. 7 is a fragmentary side view, partly in section, showing still another modification of the portion of the apparatus shown in FIG. I.
- the fiber material for example, bleached sulfite pulp of needle-leaf tree is delivered from the winder 1, then mollified by step rolls 2, then continuously conveyed portion by portion of a fixed amount by feeders 3 and further guided to the hammer mill 4 for crushing the material.
- this hammer mill 4 above-said mollified fibers are unraveled still more finely and then further led to the perfecting hammer mill 5 of the next step.
- the fibers are completely unraveled without any bonded fiber cluster remaining therein and then fed to the unraveling apparatus 7 and then to the band-shaped fiber mass forming section 8.
- the unraveling apparatus 7 mainly consists of an air duct 9 extending upwardly from the fan 6, with a Venturi tube 11 having a narrow section 10 being provided in about the middle of said duct.
- the air duct 9 is comparatively broad in section at its connecting portion with the fan 6 and tapers off toward the tip where the narrow section 10 is formed. Passing the narrow section I0, the passage again opens wide and, while maintaining its fan-shaped section, is steadily spread out until it reaches the fiber-spraying section 12.
- the fiber-perfecting operation by the hammer mill 5 does not necessarily provide complete separation of fibers into individual filaments; some fibers often remain unseparated in the form of flocks. It is also often observed that the individual filaments, while being carried by the air through the air duct 9, are entangled with one another due to their weight and shapes to produce flocks.
- the unraveling apparatus 7 is designed to inhibit as much as possible the creation of flocks and, when the flocks are irresistibly produced, to rapidly break them into individual filaments.
- a Venturi tube 11 in halfway of the air duct 9, said Venturi tube being arranged adjacent to the band-shaped fiber mass forming section 8, so that the fibers conveyed with air through said duct are permitted to move riding on the airstream while making almost no rotation and, on arriving at the Venturi tube, their flowing velocity is sharply increased.
- the change of flowing velocity, particularly rapid increase of velocity causes unbalance in speed ofindividual filamerits and thereby breaks down the flocks.
- separated fibers drift along with the airstream until they reach the bandshaped fiber mass forming section 8.
- the filaments which were carried in this manner then collide, at the fiber-spraying section 12, with an endless coarse screen I3 which is of about l0 mesh which moves around the open face of said section.
- This screen 13 moves at such low speed as keeps undisturbed the airstream in the air duct 9 and permits most of said fibers or the fibers of proper length to pass therethrough to reach the endless wire-netting 18 arranged at the back side of the screen 13.
- the flocks of fibers which are unable to pass the screen 13 are suspended on the screen surface and forced to move downward with movement of the screen.
- This endless wire-netting is provided, at its back side, with a suction box 19 having powerful sucking strength, and the shape of the opening section of this suction box 19 is kept same as that of the fiber-spraying section 12. Consequently, the fibers arranged in the longitudinal direction pass through the screen 13 while maintaining the same direction, and also at the endless wire-netting, they are sucked while being orientated in the same direction. It follows, therefore, that the stronger is the suction strength, the closer to the endless wire-netting 18, that is, the suction strength is strong at the head of the fibers and weak at the tail. Since the head of the fibers is thus raised up more quickly, it is more likely that the fibers lie lengthwise.
- the fibers sucked to the endless wire-netting 18 move downward in accordance with travel of the endless wirenetting 18 while forming the band-shaped fiber mass and reaches the upper surface of the suction box 20 having comparatively weak suction action. There, the formed bandshaped fiber mass, while maintaining said arrangement of fibers therein, is conveyed and then transferred to another endless wire-netting 21 for conveyance purpose.
- a suction box 22 adjacent to the acting zone of said suction box 20, and by the sucking action thereof, the bandshaped fiber mass is brought onto the endless wire-netting for conveyance 21 without causing deformation of texture or change of density.
- the back face of the bandshaped fiber mass on the endless wire-netting 18 comes out as the front face on the endless wire-netting 21, it is possible to render the back face of the band-shaped fiber mass on the endless wire-netting 21 into an even, flat face by making smaller the meshes of the endless wire-netting 18.
- Reference numeral 24 denotes the air outlet which facilitates transfer of the band-shaped fiber mass formed on the endless wire-netting 18 to the endless wire-netting for conveyance 21 and reference numeral 25 denotes the guide roll for the endless wire-netting fixing screen 18.
- the endless wire-netting 21 is relatively large and long and provided, on its way, with an adhesive sprayer 23, a suction box 26 therefor and a dryer 28 having a hot air conduit 27. It is so arranged that while the band-shaped fiber mass is passed over the suction box 26 by the action of the endless wirenetting for conveyance 21, the adhesive is sprayed by the adhesive sprayer 23 and the adhesive sprayed and impregnated band-shaped fiber mass is successively passed through the dryer 28 to be thereby dried.
- the adhesives to be used for nonwoven fabrics include styrene copolymers, polyvinyl acetate, polyvinyl chloride and polyacrylic ester.
- styrene copolymers polyvinyl acetate, polyvinyl chloride and polyacrylic ester.
- nonwoven fabrics used for cigarette filter tips are completely free from any hygienic problem. It is also required that such fabrics have sufficient hardness and elasticity to permit easy rollup to the form of cigarette filter tip and have sufficient resistance against heat mollification to stand the heat at the time of smoking and antihygroscopic property.
- the adhesives which meet these requirements, preferably used are the solution polymers or emulsion of self-cross-linking synthetic resins of vinyl acetate system obtained by copolymerizing vinyl acetate, copolymers of vinyl acetate and acrylic ester or copolymers of vinyl acetate, acrylic ester and metaacrylic acid with amino group, amido group, methylol group or carboxyl group as the cross-linking radical or reaction radical.
- nonwoven fabrics may be obtained by drying the band-shaped fiber mass sprayed and impregnated with an adhesive.
- the time permitted for the fiber mass to pass over the suction box 26 when the adhesive is sprayed is very short and also there are certain limitations in the amount of adhesive sprayed and the suction strength of the suction box 26, hence it is difficult to permeate the adhesive substantially deep into the band-shaped fiber mass.
- This band-shaped fiber mass is successively transferred to still another transporting endless wire-netting 33 by the suction action of the suction box 34, then guided into the drier 36 having a hot air conduit to be dried therein and then wound up at 37 as the finished products.
- FIG. 2 The arrangement shown in FIG. 2 is provided with a duct 38 through which the bleached kraft pulp fibers of needle-leaf tree, which were unraveled in the same manner as in FIG. 1, are brought in through an airblast fan.
- This duct 38 is arranged to face upward and at the top thereof, there is provided a hollow wire roll 39 comprising comparatively coarsely coiled wires. Said roll is always kept in a driven condition rotating in the direction of the reference arrow.
- two brush rolls 40, 40 of smaller diameter are arranged and disposed so as to be in contact with said roll 39.
- the brush rolls are arranged to rotate in the opposite directions to each other, and at the back of said brush rolls 40, 40 is provided an air inlet 41 which is communicated to the cyclone (not shown) through piping 42.
- a hollow, basket-formed larger brush roll 43 which is positioned above the wire roll 39 and is rotated counterclockwise, as shown in said figure.
- Said brush roll 43 is arranged so as to form a basketlike cylinder as a whole in which a plurality of brush bands 44 disposed perpendicular to the fiber blowing direction are arranged, each being spaced a certain interval from the discs on both sides.
- the brush bands 44 in the brush roll 43 are so arranged that the foremost ends thereof constantly brush the surface of the above-mentioned wire roll 39.
- the fibers carried by the air through the duct 38 are mixed separated filaments and nonseparated clustered fibers (flocks).
- This fiber group is first blown to the surface of the wire roll 39 rotating at the rate of 50 to 60 rpm.
- This roll 39 has the mesh openings of, for example, about 7 mesh, therefore, relatively large flocks in this fiber group blown to the roll are caught at the meshes of the wire roll 39 and while being kept stuck at the surface thereof, move with the rotation of the roll to reach the brush rolls 40, 40 of smaller diameter which rotate in contact with the side of said wire roll 39.
- Two brush rolls 40 and 40 rotate to the opposite directions to each other, and scrapes the conveyed flocks off here.
- unraveled fiber is adsorbed to an endless wire-netting 51, by the rotary motion of a brush roll of the basket type 43, air-blow by a fan and a suction box 52.
- residual fiber in the brush roll 43 is scraped off by two small brush rolls 45 and 45 to keep the brush 43 clean. Then the scraped fiber is returned into the cyclone through a suction hole 47 and a pipeline 48.
- Adsorped fiber by the endless wire-netting 51 is conveyed in the form of a band-shaped mass, to be sprayed by adhesives and dried on the another conveyor belt 53 located under the endless wire-netting 51 with a small gap as is shown in FIG. 1 as an endless conveyor belt 21.
- bleached kraft-pulp of needleleaf trees is guided into a duct 54 by a fan.
- Outlet of the duct is inclined downwardly, and is equipped with ascatterer of unraveled fiber.
- the scatterer consists of a screen 58 and a brush roll of basket type 57.
- the former is installed around the lower half part of the latter, which consists of a brush-belt 55 of brush-array arranged circularly and discs 56 to fasten it.
- Fiber material guided in the duct 54 by air-blow is introduced into the unraveling scatterer, and unraveled into filament by the brush-belt 55 and the screen 58 to be scattered through meshes of the screen 58. Nevertheless, some amount of material remains not unraveled, and meshes of a screen 58 would be choked without any step. To avoid it, remainder of flock is scraped out by a brush roll 71 and guided into the sub unraveling scatterer, where larger brush roll 62 and a screen 63 unravel it into filament, to scatter through meshes of a screen 63. Furthermore, remainder of flock is again scraped out by a brush roll 72 and collected in a flock reservoir 64.
- Scattered filament is sucked by the suction surface of an endless wire-netting 67, and as the wire-netting travels, bandshaped fiber mass is formed in turn. Then it is taken on the endless conveyor wire-netting 68 to be sprayed by adhesives and then to be dried as is shown in FIG. 1.
- this apparatus avoids choking of the screen, and processing efficiency is accordingly promoted.
- FIG. 4 and FIG. 5 unraveled pulp fiber of needle-leaf tree is guided in a duct 74 as is in FIG. 1 by a fan.
- the outlet of the duct 74 is flared in order that the carried filament by windblow is spread over full width of band-shaped fiber mass as shown in FIG. 1.
- On the open end of the duct 74 is a screen 75, which travels and back along a guide rail 78 driven by a wheel 77 on the holder 76.
- hard haired brushes of wire, horsehair or nylon 79, 80, 81 and 82 are equipped on the both sides of duct outlet, and they rotate in the direction shown by an arrow or to the opposite direction according to the motions of the screen. That is to say, in FIG.
- Windblown dispensed fiber in the duct 74 hits the screen 75 and is scattered through the meshes of it. Flocked mass of fiber remains in front of the screen, and is unraveled by periodic motions of the screen and the brushes 79, 80, 81 and 82 to be scattered also through meshes of the screen 75.
- Scattered filament is sucked by the suction surface of an endless wire-netting 85, and as the endless wire-netting rotates, band-shaped fiber mass is formed in turn. Then it is taken on another endless conveyor wire-netting 86 to be sprayed by adhesives and then to be dried as is the case with FIG. 1. 1
- this apparatus avoids choking of the screen, and manufactured nonwoven fabrics has no directivity.
- a flock reservoir 99 On one side of the screen 91 is a flock reservoir 99, which collects residual fiber not unraveled, and again feeds it back to a hammer-mill by means of a suction tube 100.
- an endless wire-netting 103 Arranged under the screen 91 is an endless wire-netting 103 that travels over a suction box 102 driven by a suction tube 101.
- Another endless conveyor wire-netting 104 is also installed partially in plane contact with a section of the wire net conveyor 103, corresponding to an endless conveyor wire-netting 21 of FIG. 1.
- Reference numeral 105 is a suction box driven by a suction tube 106, and 107 is band-shaped fiber mass.
- Windblown dispensed fiber in the duct 90 hits the upper part ofthe inclined and vibrating screen 91, and a part of fiber mass passes the mesh at once. Any remaining part will traverse the screen 91 along the slope of it, being vibrated and unraveled by brush rolls 93, 94, 95, 96 and 97, and scattered downward.
- a flock reservoir collects fiber not unraveled, and again feeds same back to the hammer-mill by means ofa suction tube 100.
- Scattered filament is sucked by the suction surface of an endless wire-netting 103, and as the endless wire-netting travels, band-shaped fiber mass 107 is formed. Then it is taken on another endless conveyor wire-netting 104 to be sprayed by adhesives and then to be dried as is the case with FIG. 1.
- meshes of the screen are kept clean usually in spite of the nature and sorts of fiber being processed, and uniform band-shaped fiber mass is formed continuously, because meshes of a screen are not choked over a long period of operation. Furthermore, the scattering rate is controlled by adjusting the slope or angle of the screen 91.
- bleached kraft-pulp of needle-leaf trees is guided into a duct 108 by a fan.
- the outlet of the duct 108 is flared as is in FIG. 5 in order that the carried filament is spread over full width of band-shaped fiber mass.
- the screen 109 is arranged to be endless in the case, and travels to the counterclockwise direction in the Figure.
- the open end of the duct 108 is positioned at the starting point of the effective surface of the screen 109. Near the open end of the duct 108 is installed a brush roll 110 over the screen 109, so as that it rotates making contact with the screen.
- a flock reservoir 112 At the end of the effective surface of the screen 109 is a flock reservoir 112 with a suction pipe 111.
- an endless wirenetting Under the screen 109 is an endless wirenetting that travels over a suction box 114 driven by a suction tube 113.
- Another endless conveyor wire-netting 116 is also installed in the face of the wire-netting 115 under it, cor responding to an endless conveyor wire-netting 21 of FIG. 1.
- Reference numeral 117 is band-shaped fiber mass.
- Windblown dispensed fiber in the duct 108 hits the screen 109, and as the screen travels, fiber is scattered through the mesh. As the effective surface of the screen 109 extends to the right from the outlet of the duct 108, the fiber is widely spread over the effective surface of the screen 109 as it travels.
- a brush roll 1110 installed near the duct 108 promotes unraveling, so as to make the fiber scatter through the meshes. Any remaining fiber not unraveled travels with the screen 109, and is collected in the flock reservoir 112 to be fed back into a hammer-mill by means of a suction tube 111.
- Scattered fiber is sucked by the suction surface of an endless wire-netting 115, and as the wire-netting travels, bandshaped fiber mass 117 is formed. Then it is taken on another endless conveyor wire-netting 116 to be sprayed by adhesives and then to be dried as is the case with FIG. 1.
- a duct (9, 38, 54, 74, 90 or 108) for blowing out unraveled fibers with air therethrough,
- first endless wire-netting means (18, 51, 67, 85, 103 or 115) disposed on the back side of said screen means opposite said duct for receiving fibers passed through said screen means to form a band-shaped fiber mass on a front side of the working surface of said first endless wirenetting means
- a first suction means (19, 52, 66, 84, 102 or 114) provided at the back side of the working surface in said first endless wire-netting means
- a second endless wire-netting means (21, 53, 68, 86, 104 or 116) arranged at the underside of said first endless wirenetting means and to which said band-shaped fiber mass is transferred,
- a first adhesive sprayer (23) provided at the front side of said second endless wire-netting means for spraying adhesive on said band-shaped fiber mass
- a second adhesive sprayer (32) provided at the front side of said third endless wire-netting means for spraying adhesive on said band-shaped fiber mass
- a third suction section means (31) provided at the back side of said third endless wire-netting means and opposite to said second adhesive sprayer,
- a second dryer (36) provided at said fourth endless wirenetting means for drying said band-shaped fiber mass.
- said duct (54) has a downwardly facing outlet opening (59), a basket-formed brush roll (57) at the end of said duct, said screen means (58) being arranged at said outlet opening of said duct and extending around the lower half part of said basket-formed brush roll, a plurality of bars (60, 61) disposed at the side of said outlet opening of said duct, a second screen means (63) mounted on said bars, a second rotatable brush roll (62) mounted on said second screen means between said bars, third brush rolls (71, 72) for scraping out the flocks on said second screen means mounted above said second screen means, a flock reservoir (64) disposed at the side of said second screen means, and said first endless wire-netting means (67) 67) being arranged on the lower side of the first said screen means and said second screen means;
- Apparatus for producing nonwoven fabric in which said duct has an outlet opening downwardly, said screen means (91) being arranged in an inclined disposition under said outlet opening of said duct, fulcrum means (92) to adjust the angle of inclination of said screen means, means to vibrate said screen means in a direction perpendicular to the flow of fibers, said outlet opening of said duct being positioned at the upper end of said screen means, a plurality of brushes (93, 94, 95, 96, 97) mounted on said screen means so as to rotate in contact therewith, and said first endless wire-netting means (103) being arranged on the lower side of said screen means.
- Apparatus for producing nonwoven fabric in which said duct (108) has an outlet opening downwardly, said screen means (109) being arranged in an endless configuration, said outlet opening of said duct being positioned on the starting point of the effective surface of said screen means, a brush roll (110) mounted on the effective surface and adjacent to said outlet opening of said duct so as to rotate in contact with said screen means, a flock reservoir (112) having a suction pipe (111) disposed on the end of said effective surface of said screen means, and said first endless wire-netting means (115) being arranged on the lower side of said screen means.
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nonwoven Fabrics (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3434465 | 1965-06-11 | ||
JP40039990A JPS49116B1 (de) | 1965-06-11 | 1965-07-05 | |
JP4048465 | 1965-07-06 | ||
JP457366 | 1966-01-28 | ||
JP1789266 | 1966-03-25 | ||
JP3711266 | 1966-05-12 | ||
JP2773166 | 1966-05-12 |
Publications (1)
Publication Number | Publication Date |
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US3644078A true US3644078A (en) | 1972-02-22 |
Family
ID=27563280
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US871044A Expired - Lifetime US3644078A (en) | 1965-06-11 | 1969-10-02 | Apparatus for producing nonwoven fabrics |
Country Status (6)
Country | Link |
---|---|
US (1) | US3644078A (de) |
JP (1) | JPS49116B1 (de) |
BE (1) | BE680360A (de) |
CH (1) | CH460617A (de) |
DE (1) | DE1560835A1 (de) |
GB (1) | GB1131919A (de) |
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854850A (en) * | 1971-04-14 | 1974-12-17 | Osaka Gas Co Ltd | Rotary means for forming solid granules from liquid supply means |
US3874831A (en) * | 1973-08-09 | 1975-04-01 | Fibre Formations Inc | Machine for producing pulp bats |
DE2548449A1 (de) * | 1974-10-31 | 1976-05-13 | Kroyer K K K | Vorrichtung zum ablagern einer gleichmaessigen schicht aus trockenen fasern auf eine von loechern durchbrochene flaeche |
US3961397A (en) * | 1974-11-21 | 1976-06-08 | Scott Paper Company | Clump removal devices |
US4060360A (en) * | 1975-05-29 | 1977-11-29 | Karl Kroyer St. Anne's Limited | Apparatus for dry forming a layer of fiber |
US4097209A (en) * | 1977-03-23 | 1978-06-27 | Armstrong Cork Company | Apparatus for forming a mineral wool fiberboard product |
DE2848459A1 (de) * | 1977-11-08 | 1979-06-07 | Kroyer K K K | Vorrichtung zur herstellung einer faserbahn |
US4167378A (en) * | 1976-02-06 | 1979-09-11 | Mo Och Domsjo Ab | Apparatus for shredding and dry-defibrating compressed cellulose pulp and forming a batt of the resulting cellulosic fibrous material |
EP0006696A1 (de) * | 1978-06-23 | 1980-01-09 | American Can Company | Vorrichtung und Verfahren zum gleichmässigen Ausbreiten eines Fasermaterials auf eine Formgebungsfläche |
US4268235A (en) * | 1979-12-21 | 1981-05-19 | American Can Company | Apparatus for the manufacture of fibrous webs |
DE3243326A1 (de) * | 1982-11-23 | 1984-05-24 | Oskar Dilo Maschinenfabrik Kg, 6930 Eberbach | Vorrichtung zur herstellung von genadelten formvlieskoerpern |
US4466862A (en) * | 1981-03-23 | 1984-08-21 | International Paper Company | Method for screening, separating, and removing fiber bundles, lumps, knots and foreign matter from aqueous dispersions used in forming non-woven fabrics by wet-laying |
EP0159618A1 (de) * | 1984-04-27 | 1985-10-30 | MIRA LANZA S.p.a. | Vorrichtung zur gleichmässigen Verteilung eines zerteilten Fasermaterials auf eine Bildungsfläche für Faserschichten in Anlagen für die Trockenformung von Papier |
EP0168957A1 (de) * | 1984-06-12 | 1986-01-22 | Scan Web Of North America, Inc. | Anlage zur Herstellung einer luftgelegten Bahn |
USRE32182E (en) * | 1981-03-23 | 1986-06-17 | International Paper Co. | Method for screening, separating, and removing fiber bundles, lumps, knots and foreign matter from aqueous dispersions used in forming non-woven fabrics by wet-laying |
US4627806A (en) * | 1985-08-30 | 1986-12-09 | James River-Norwalk, Inc. | Apparatus for the manufacture of fibrous webs with helical rotor |
US5014396A (en) * | 1988-02-17 | 1991-05-14 | Oy Scanwoven Ab | Non-woven article made of a heat-resisting material, method for manufacturing the article and apparatus for implementing the method |
US5637326A (en) * | 1995-12-04 | 1997-06-10 | Fuisz Technologies Ltd. | Apparatus for making chopped amorphous fibers with an air transport system |
US6419777B1 (en) | 1996-08-12 | 2002-07-16 | Kimberly-Clark Worldwide, Inc. | Method of forming a tampon having a resilient member |
US6676594B1 (en) | 2002-09-18 | 2004-01-13 | Kimberly-Clark Worldwide, Inc. | C-shaped vaginal incontinence insert |
US6770025B2 (en) | 2002-09-18 | 2004-08-03 | Kimberly-Clark Worldwide, Inc. | Molar shaped vaginal incontinence insert |
EP1464241A1 (de) * | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren zur Herstellung eines Vlieses für die Herstellung von Filtern der tabakverarbeitenden Industrie sowie Filterstrangherstelleinrichtung |
EP1464240A1 (de) | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren und Vorrichtung zur Herstellung eines Vlieses für die Herstellung von Filterstäben |
EP1464239A1 (de) | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren und Einrichtung zur Herstellung eines Filterstranges |
EP1464238A1 (de) | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren zur Aufbereitung endlicher Fasern und Aufbereitungseinrichtung für endliche Fasern zur Verwedung bei der Herstellung von Filtern |
US6808485B2 (en) | 2002-12-23 | 2004-10-26 | Kimberly-Clark Worldwide, Inc. | Compressible resilient incontinence insert |
US20050098910A1 (en) * | 2003-11-07 | 2005-05-12 | Carsten Andersen | Fiber distribution device for dry forming a fibrous product and method |
CN111642790A (zh) * | 2020-04-17 | 2020-09-11 | 云南中烟工业有限责任公司 | 一种基于植绒技术制造非燃烧型烟支的方法 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102010039099A1 (de) | 2010-08-09 | 2012-02-09 | Hauni Maschinenbau Ag | Vorrichtung und Verfahren zum Fördern eines Stranges der tabakverarbeitenden Industrie |
CN107253335A (zh) * | 2017-04-28 | 2017-10-17 | 昆山胜昱无纺布有限公司 | 一种高回弹性保暖无纺布 |
-
1965
- 1965-07-05 JP JP40039990A patent/JPS49116B1/ja active Pending
-
1966
- 1966-04-28 GB GB18783/66A patent/GB1131919A/en not_active Expired
- 1966-04-29 BE BE680360D patent/BE680360A/xx unknown
- 1966-04-30 DE DE19661560835 patent/DE1560835A1/de active Pending
- 1966-05-02 CH CH631566A patent/CH460617A/fr unknown
-
1969
- 1969-10-02 US US871044A patent/US3644078A/en not_active Expired - Lifetime
Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3854850A (en) * | 1971-04-14 | 1974-12-17 | Osaka Gas Co Ltd | Rotary means for forming solid granules from liquid supply means |
US3874831A (en) * | 1973-08-09 | 1975-04-01 | Fibre Formations Inc | Machine for producing pulp bats |
DE2548449A1 (de) * | 1974-10-31 | 1976-05-13 | Kroyer K K K | Vorrichtung zum ablagern einer gleichmaessigen schicht aus trockenen fasern auf eine von loechern durchbrochene flaeche |
US3961397A (en) * | 1974-11-21 | 1976-06-08 | Scott Paper Company | Clump removal devices |
US4060360A (en) * | 1975-05-29 | 1977-11-29 | Karl Kroyer St. Anne's Limited | Apparatus for dry forming a layer of fiber |
US4167378A (en) * | 1976-02-06 | 1979-09-11 | Mo Och Domsjo Ab | Apparatus for shredding and dry-defibrating compressed cellulose pulp and forming a batt of the resulting cellulosic fibrous material |
US4097209A (en) * | 1977-03-23 | 1978-06-27 | Armstrong Cork Company | Apparatus for forming a mineral wool fiberboard product |
DE2848459A1 (de) * | 1977-11-08 | 1979-06-07 | Kroyer K K K | Vorrichtung zur herstellung einer faserbahn |
EP0006696A1 (de) * | 1978-06-23 | 1980-01-09 | American Can Company | Vorrichtung und Verfahren zum gleichmässigen Ausbreiten eines Fasermaterials auf eine Formgebungsfläche |
US4212607A (en) * | 1978-06-23 | 1980-07-15 | American Can Company | Fiber distributor |
US4268235A (en) * | 1979-12-21 | 1981-05-19 | American Can Company | Apparatus for the manufacture of fibrous webs |
US4466862A (en) * | 1981-03-23 | 1984-08-21 | International Paper Company | Method for screening, separating, and removing fiber bundles, lumps, knots and foreign matter from aqueous dispersions used in forming non-woven fabrics by wet-laying |
USRE32182E (en) * | 1981-03-23 | 1986-06-17 | International Paper Co. | Method for screening, separating, and removing fiber bundles, lumps, knots and foreign matter from aqueous dispersions used in forming non-woven fabrics by wet-laying |
DE3243326A1 (de) * | 1982-11-23 | 1984-05-24 | Oskar Dilo Maschinenfabrik Kg, 6930 Eberbach | Vorrichtung zur herstellung von genadelten formvlieskoerpern |
EP0159618A1 (de) * | 1984-04-27 | 1985-10-30 | MIRA LANZA S.p.a. | Vorrichtung zur gleichmässigen Verteilung eines zerteilten Fasermaterials auf eine Bildungsfläche für Faserschichten in Anlagen für die Trockenformung von Papier |
EP0168957A1 (de) * | 1984-06-12 | 1986-01-22 | Scan Web Of North America, Inc. | Anlage zur Herstellung einer luftgelegten Bahn |
US4627806A (en) * | 1985-08-30 | 1986-12-09 | James River-Norwalk, Inc. | Apparatus for the manufacture of fibrous webs with helical rotor |
US5014396A (en) * | 1988-02-17 | 1991-05-14 | Oy Scanwoven Ab | Non-woven article made of a heat-resisting material, method for manufacturing the article and apparatus for implementing the method |
US5637326A (en) * | 1995-12-04 | 1997-06-10 | Fuisz Technologies Ltd. | Apparatus for making chopped amorphous fibers with an air transport system |
US5862998A (en) * | 1995-12-04 | 1999-01-26 | Fuisz Technologies Ltd. | Method for making chopped amorphous fibers with an air transport system |
US6419777B1 (en) | 1996-08-12 | 2002-07-16 | Kimberly-Clark Worldwide, Inc. | Method of forming a tampon having a resilient member |
US6770025B2 (en) | 2002-09-18 | 2004-08-03 | Kimberly-Clark Worldwide, Inc. | Molar shaped vaginal incontinence insert |
US6676594B1 (en) | 2002-09-18 | 2004-01-13 | Kimberly-Clark Worldwide, Inc. | C-shaped vaginal incontinence insert |
US6808485B2 (en) | 2002-12-23 | 2004-10-26 | Kimberly-Clark Worldwide, Inc. | Compressible resilient incontinence insert |
US20050011529A1 (en) * | 2003-04-03 | 2005-01-20 | Hauni Maschinenbau | Method and arrangement for processing finite fibers for use in the manufacture of filters |
EP1698241A1 (de) * | 2003-04-03 | 2006-09-06 | Hauni Maschinenbau Aktiengesellschaft | Verfahren zur Herstellung eines Vlieses für die Herstellung von Filtern der tabakverarbeitenden Industrie sowie Filterstrangherstelleinrichtung |
EP1464238A1 (de) | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren zur Aufbereitung endlicher Fasern und Aufbereitungseinrichtung für endliche Fasern zur Verwedung bei der Herstellung von Filtern |
EP1464240A1 (de) | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren und Vorrichtung zur Herstellung eines Vlieses für die Herstellung von Filterstäben |
US20040235631A1 (en) * | 2003-04-03 | 2004-11-25 | Hauni Maschinenbau Ag | Method and a continuous rod machine arrangement for producing nonwoven filters |
US20040237269A1 (en) * | 2003-04-03 | 2004-12-02 | Hauni Maschinenbau Ag | Method and machine for producing a nonwoven for the filter rod production |
US20040250823A1 (en) * | 2003-04-03 | 2004-12-16 | Hauni Maschinenbau Ag | Method and machine for producing a continuous filter rod |
EP1464241A1 (de) * | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren zur Herstellung eines Vlieses für die Herstellung von Filtern der tabakverarbeitenden Industrie sowie Filterstrangherstelleinrichtung |
US7318797B2 (en) | 2003-04-03 | 2008-01-15 | Hauni Maschinenbau Ag | Continuous rod machine arrangement for producing nonwoven filters |
EP1464239A1 (de) | 2003-04-03 | 2004-10-06 | Hauni Maschinenbau AG | Verfahren und Einrichtung zur Herstellung eines Filterstranges |
US20060010654A1 (en) * | 2003-04-03 | 2006-01-19 | Hauni Maschinenbau Ag | Continuous rod machine arrangement for producing nonwoven filters |
WO2005044529A1 (en) * | 2003-11-07 | 2005-05-19 | Formfiber Denmark Aps | A fibre distribution device for dry forming a fibrous product |
US20050098910A1 (en) * | 2003-11-07 | 2005-05-12 | Carsten Andersen | Fiber distribution device for dry forming a fibrous product and method |
CN100398283C (zh) * | 2003-11-07 | 2008-07-02 | 福尔姆菲贝尔丹麦有限责任公司 | 用于纤维产品干成型的纤维分布装置和方法 |
US7491354B2 (en) | 2003-11-07 | 2009-02-17 | Formfiber Denmark Aps | Fiber distribution device for dry forming a fibrous product and method |
CN111642790A (zh) * | 2020-04-17 | 2020-09-11 | 云南中烟工业有限责任公司 | 一种基于植绒技术制造非燃烧型烟支的方法 |
CN111642790B (zh) * | 2020-04-17 | 2021-11-09 | 云南中烟工业有限责任公司 | 一种基于植绒技术制造非燃烧型烟支的方法 |
Also Published As
Publication number | Publication date |
---|---|
BE680360A (de) | 1966-10-03 |
DE1560835A1 (de) | 1972-03-23 |
GB1131919A (en) | 1968-10-30 |
JPS49116B1 (de) | 1974-01-05 |
CH460617A (fr) | 1968-07-31 |
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