US3367245A - Apparatus for producing composite filter plugs - Google Patents
Apparatus for producing composite filter plugs Download PDFInfo
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- US3367245A US3367245A US447640A US44764065A US3367245A US 3367245 A US3367245 A US 3367245A US 447640 A US447640 A US 447640A US 44764065 A US44764065 A US 44764065A US 3367245 A US3367245 A US 3367245A
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- Prior art keywords
- plugs
- band
- pockets
- filter
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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
- A24D3/0204—Preliminary operations before the filter rod forming process, e.g. crimping, blooming
- A24D3/0212—Applying additives to filter materials
- A24D3/0225—Applying additives to filter materials with solid additives, e.g. incorporation of a granular product
Definitions
- Apparatus for producing composite filter rod including powdered material is arranged to produce a succession of filter plugs on a moving continuous wrapper and deposit powdered material in regularly-spaced gaps between successive plugs, thereafter folding and securing the wrapper around the plugs and powdered material.
- the means for depositing the powdered material comprises a pocketed belt, each pocket being filled as it traverses an upper run and emptied as it passes along a lower run; positive ejection from the pockets is provided by reciprocable plungers.
- This invention relates generally to apparatus for producing composite filter plugs for cigarettes and more particularly to apparatus for producing a complete filter rod having portions of powdered filter material interposed between conventional plugs at regular intervals.
- the rod being then made and applied to cigarette lengths in such manner that the latter filter material appears at the end of the finished cigarette while the former filter material is interposed between the latter filter material and the tobacco.
- the filter materials employed have been relatively coherent materials, e.g. paper or cotton wool, but demand for more efiicient filtration has now led to the employment of powdered material, e.g. granules of activated carbon. With such material, it will be appreciated that there are practical difficulties in following the conventional practice of first forming short plugs of each filter material and then marshalling such plugs to form a filter rod, even though some conventional plugs are still required, as powdered material is not suitable for the exposed end of a cigarette.
- powdered material e.g. granules of activated carbon
- the present invention stems from, and comprises an improvement in or modification of, the invention disclosed in copending application Serial No. 400,862 filed October 1, 1964, now US. Patent No. 3,312,152, issued April 4, 1967.
- the invention disclosed is broadly defined as apparatus for producing composite filter rod including portions of powdered material, comprising means for feeding filter plugs in succession on to a continuous Wrapper with gaps between successive plugs at regular intervals, means for filling said gaps with powdered material, and means for folding said wrapper Patented Feb. 6, 1958 "ice around said plugs and said material to form a continuous rod.
- the plug feeding means is arranged to move the plugs and the wrapper substantially horizontally through a loading zone
- the filling means comprises an endless flexible conveyor band having regularly spaced carrier pockets therein, said band being so arranged that a lower run of the band travels through the loading zone immediately above said plugs with the pockets facing downward above the gaps between successive plugs, further means being provided for filling each of said pockets with the powdered material between successive passages of the pocket through the loading Zone.
- the filling and emptying of the pockets in the band may be done by gravity only, if the speed of operation and the lengths of the runs of the band allow sufficient time but in the said copending application it is recognized that provision may be made to accelerate emptying and filling of said pockets, if for example it is desired to shorten the runs of the band to make the whole apparatus more compact.
- apparatus for producing composite filter rod including portions of pOW- dered filter material, comprising means for feeding filter plugs in succession onto a continuous wrapper with gaps between successive plugs at regular intervals and moving the plugs and the wrapper substantially horizontally through a loading zone, means for filling said gaps with powdered material comprising an endless flexible conveyor band having regularly spaced pockets therein and so arranged that a lower run of said band travels through the loading zone immediately above said plug with the pockets facing downwardly above said gaps, and further means for filling each of said pockets with the powdered material between successive passages of the pocket through the loading zone, including ejection means associated with each of said pockets and arranged to effect positive ejection of powdered material from the pocket during passage of the pocket through the loading zone.
- the ejection means for each pocket comprises a plunger reciprocable in the pocket and arranged to move progressively from a retracted position to an advanced position as the pocket passes through the loading zone; in the advanced position the plunger may effectively fill the pocket while in the retracted position it merely constitutes an end wall of the pocket.
- Such plungers may be caused to reciprocate in their associated pockets by various means; where as is most usual the conveyor band is so supported as to have upper and lower horizontal runs connected by semi-cylindrical sections, we may provide vertical plates extending across the edges of the band, with channels on the inner faces of said plates receiving lugs on the sides of the plungers.
- the said channels serve as cams and are so formed relative to the configuration of the band as to produce desired reciprocation of the plungers as they move with the band.
- FIGURE 1 is a side elevation of the relevant parts of an apparatus embodying the present invention, in section on the plane indicated by line II of FIGURE 2;
- FIGURE 2 is an end view of the same apparatus, in section on the plane indicated by line IIII of FIG- URE 1.
- the apparatus shown comprises a horizontal bed 1 on which an endless conveyor belt 2 travels, said belt having a return run (not shown) below the bed 1 from which return run the belt regains the upper surface of the bed 1 via a guide pulley 3.
- a continuous paper strip 4 is fed on to the bed 1 via a further guide pulley 5, the relative positions of said guide pulleys being such that the belt 2 is fed between the paper strip 4 and the bed 1 so that the belt supports and propels the strip.
- plug-feeding mechanism diagrammatically shown at FF is arranged to supply a succession of conventional filter plugs P to the bed 1; said plugs P are fed in the same direction as the paper strip 4 and belt 2 so as to be carried with said strip and belt, maintaining regularly-spaced gaps between successive plugs.
- the gaps may occur at longer intervals, e.g. there may be two or three abutted plugs between each gap and the next.
- the top surface of the bed 1 is flat in the region (to the right in FIGURE 1) where the plugs P, strip 4 and belt 2 are fed on to it.
- the top surface of the bed assumes a flattened-V configuration (see FIGURE 2) so as to lift the edges of belt 2 and strip 4 to approximately the height of the top of plugs P; the transition from flat to flattened- V configuration occurs over a length approximately equal to the length of two plugs, P, as indicated by lines 6, 7 (representing the edges of the strip and of the belt respectively).
- an endless flexible band having a horizontal lower run 8, in which the band lies immediately above the plugs P, and a horizontal upper run 9; said band moves clockwise (as viewed in FIG- URE 1) and traverses semicircular paths in passing be tween its upper and lower runs so as to form a horizontally-elongated loop.
- the said band is of articulated construction, comprising rubber blocks 10 alternating with metal pockets 11; each pocket 11 comprises a tube of rectangular cross-section having on opposed faces and at its outer end (outer" in relation to the loop formed by said band) a pair of lugs 12, each lug 12 being embedded in and bonded to a different one of the two adjacent rubber blocks 10.
- the lugs 12 are, therefore, disposed fore and aft of each tube, in relation to the direction of travel of the band, and in between said lugs, i.e. on its sides relative to said direction of travel, but further inward (in relation to the loop) each tube is secured to two endless roller chains 13 forming loops somewhat smaller than that formed by the band.
- Side plates 14 are mounted vertically on either side of the band and chains to enclose said band and chains substantially completely, except for the underside of the lower run 8 of the band and the upper surface of the upper run thereof.
- Said plates 14 have inwardly directed flanges 15, which meet one another, around the curved portions of the band; said flanges are very close to, preferably lightly touching, the band so as to prevent escape of powder from the pockets 11 as the latter traverse said curved portions.
- the flanges 15 are narrower than elsewhere, as indicated at 15a (FIGURE 2), and between them is accommodated the lower end of a powder reservoir 16; said reservoir is tapered downwardly so as to have a bottom discharge opening 17 of width equal to the interior diameter of the pockets 11 of the band.
- the chains 13 carry a series of balls 18 resting in recesses 19 in the outer sides of the chains (i.e. the sides adjacent to side plates 14), and each of the plates 14 has a groove 20 into which the balls 18 project; the form of grooves 20, as viewed from the side, determines the form of loop maintained by said chains (and hence the form of loop in which the band is held).
- a reciprocable plunger 21 is contained, the plungers being rather longer than the associated pockets.
- plates 14 each have an inwardly extending rib 22, these ribs being of such depth as to leave between their opposed faces 23 a sufiicient clearance for the plungers 21.
- Said faces 23 are grooved as indicated at 24 and recesses in the sides of plungers 21 contain balls 25 which are also received in the grooves 24.
- a drive shaft 26 extends through both side plates 14, normal to said plates, and carries two sprockets 27 engaging the two chains 13; in operation of the apparatus, the shaft 26 is driven clockwise (as seen in FIGURE 1) to produce rotation of the chains 13, and hence of the band, in the same sense.
- each of the pockets 11 moves along a path defined by grooves 18.
- the plunger 21 associated with each pocket moves along a path defined by grooves 24.
- FIGURE 1 will show that, while the grooves 18 define a symmetrical path, comprising mutually equal upper and lower horizontal lengths connected by equal semicircles, the grooves 24 define an asymmetric path, comprising an upper horizontal length, a lower straight length which is inclined so as to be higher at the right-hand end than at the left-hand end, and dissimilar circular arcs connecting the upper and lower lengths, the right-hand one being of less than the left-hand one of correspondingly more than 180, and the former are being of smaller radius than the latter.
- any given plunger 21 will, as it and its associated pocket 11 are in any selected position during rotation of the band and chains, be in a position relative to said associated pocket which is determined by the spacing between the grooves 18 and 24 at said selected position. As the different forms of grooves 18 and 24 cause said spacing to vary, the plungers 21 will reciprocate in their pockets 11. With the disposition of the grooves as shown as each pocket 11 traverses the upper run 9 its plunger 21 will be largely withdrawn from the pocket and powdered filter material from the reservoir 16 will fill the pocket.
- the relative positions of the plunger and pocket will not change, and the pocket remains full of the powdered material (flanges 15 preventing spillage).
- the plunger 21 is constrained to enter the pocket progressively until, at the left-hand end of the lower run, the plunger nearly fills the pocket; the powdered filter material is thus positively ejected from the pocket and enters one of the gaps between successive plugs P, which will be travelling below the pocket.
- the plunger 21 is withdrawn to restore the original relationship to these parts to permit another filling of the pocket with powdered filter material.
- the apparatus shown and described makes possible the continuous production of filter rod containing portions of powdered material in an efficient manner, even where the operating speed required is high.
- the positive ejection of the powdered material from the pockets assists materially in avoiding uneven filling of the gaps. between plugs P, which with non-positive emptying of the pockets could occur whenever the powdered material tended to stick to the walls of said pockets.
- the paper strip 4 carrying the plugs P and intervening portions of powdered material, is carried by the belt 2 to the left (as seen in FIGURE 1) and brought to a conventional garniture indicated diagrammaticaly at G, i.e. a folding device which completes the folding of the strip 2, applying adhesive to an overlapped edge portion thereof, to form a cylinder of paper around the plugs P and powdered material; thereafter the rod so formed is cut into such lengths as are convenient.
- a conventional garniture indicated diagrammaticaly at G i.e. a folding device which completes the folding of the strip 2, applying adhesive to an overlapped edge portion thereof, to form a cylinder of paper around the plugs P and powdered material; thereafter the rod so formed is cut into such lengths as are convenient.
- a conventional garniture indicated diagrammaticaly at G i.e. a folding device which completes the folding of the strip 2, applying adhesive to an overlapped edge portion thereof, to form a cylinder of paper around the plugs P and powdere
- Apparatus for producing composite filter rod including portions of powdered filter materal comprising means for feeding filter plugs in succession on to a continuous wrapper with gaps between successive plugs at regular intervals and moving the plugs and the wrapper substantially horizontally through a loading zone, means for filling said gaps with powdered material comprising an endless flexible conveyor band having regularly-spaced pockets therein and so arranged that a lower run of said band travels through the loading zone immediately above said plugs with the pockets facing downwardly above said gaps, further means for filling each of said pockets with the powdered material between successive passages of the pocket through the loading zone, ejection means associated with each of said pockets and arranged to effect positive ejection of powdered material from the pocket during passage of the pocket through the loading zone, and garniture means for continuously folding and securing said wrapper around the plugs and powdered material to form a continuous filter rod.
- the ejection means for each pocket comprises a plunger reciprocable in the pocket and arranged to move progressively from a retracted position in which it constitutes an end wall of the pocket to an advanced position in which it effectively fills the pocket as the pocket passes through the loading zone.
- Apparatus as claimed in claim 2 including lugs on the sides of said plungers and vertical plates extending across the edges of the conveyor band, said plates having channels on their inner faces to receive said lugs, said channels being arranged to serve as cams so formed relative to the configuration of the band as to produce desired reciprocation of the plungers as they move with said band.
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- Cigarettes, Filters, And Manufacturing Of Filters (AREA)
- Basic Packing Technique (AREA)
- Manufacturing Of Cigar And Cigarette Tobacco (AREA)
Description
Feb. 6, 1968 P. E. WISDOM 3,367,245
APPARATUS FOR PRODUCING COMPOSITE FILTER PLUGS Filed April 15, 1965 INVENTOR [Mfibu N\ N \N 0 3R? I 7 //M/ a who, 4-4
was M'f/M ATTORNEYS Uite tates atent O 3,367,245 APPARATUS BEER MKUBUCING COMPOSITE lFllLEER PLUGd Peter Edward Wisdom, London, England, assignor to The Molina Organisation Limited, London, England, a corporation of Great Britain Filed Apr. 13, 1965, Ser. No, 447,640 Claims priority, application Great Britain, Apr. 16, 1964, 15,8tl/ 64 5 (Ilaims. (Cl. 93-1) ABSTRACT 0F THE DISCLOSURE Apparatus for producing composite filter rod including powdered material is arranged to produce a succession of filter plugs on a moving continuous wrapper and deposit powdered material in regularly-spaced gaps between successive plugs, thereafter folding and securing the wrapper around the plugs and powdered material. The means for depositing the powdered material comprises a pocketed belt, each pocket being filled as it traverses an upper run and emptied as it passes along a lower run; positive ejection from the pockets is provided by reciprocable plungers.
This invention relates generally to apparatus for producing composite filter plugs for cigarettes and more particularly to apparatus for producing a complete filter rod having portions of powdered filter material interposed between conventional plugs at regular intervals.
In the manufacture of filter-tipped cigarettes, it is a common practice to produce a rod of filter material wrapped in paper and thereafter to cut such rod into lengths sutficient for individual cigarettes; not infrequently the rod is first cut into lengths suflicient to furnish tips for two cigarettes, each such double length then being placed between two cigarette lengths (i.e. lengths of tobacco wrapped in paper) and united therewith by a suitable band, whereafter the double-length portion of rod is cut in half to yield two tipped cigarettes. Such rods of filter material have been made as composite rods, i.e. containing two or more kinds of filter material, as for example one kind of filter material selected solely for its filtering efiiciency, and another kind of filtering material selected for its attractive appearance, the rod being then made and applied to cigarette lengths in such manner that the latter filter material appears at the end of the finished cigarette while the former filter material is interposed between the latter filter material and the tobacco.
Until recently, however, the filter materials employed have been relatively coherent materials, e.g. paper or cotton wool, but demand for more efiicient filtration has now led to the employment of powdered material, e.g. granules of activated carbon. With such material, it will be appreciated that there are practical difficulties in following the conventional practice of first forming short plugs of each filter material and then marshalling such plugs to form a filter rod, even though some conventional plugs are still required, as powdered material is not suitable for the exposed end of a cigarette.
The present invention stems from, and comprises an improvement in or modification of, the invention disclosed in copending application Serial No. 400,862 filed October 1, 1964, now US. Patent No. 3,312,152, issued April 4, 1967. In that application, the invention disclosed is broadly defined as apparatus for producing composite filter rod including portions of powdered material, comprising means for feeding filter plugs in succession on to a continuous Wrapper with gaps between successive plugs at regular intervals, means for filling said gaps with powdered material, and means for folding said wrapper Patented Feb. 6, 1958 "ice around said plugs and said material to form a continuous rod.
A preferred form of the aforesaid invention of said copending application is also disclosed therein; in said preferred form, the plug feeding means is arranged to move the plugs and the wrapper substantially horizontally through a loading zone, and the filling means comprises an endless flexible conveyor band having regularly spaced carrier pockets therein, said band being so arranged that a lower run of the band travels through the loading zone immediately above said plugs with the pockets facing downward above the gaps between successive plugs, further means being provided for filling each of said pockets with the powdered material between successive passages of the pocket through the loading Zone.
The filling and emptying of the pockets in the band may be done by gravity only, if the speed of operation and the lengths of the runs of the band allow sufficient time but in the said copending application it is recognized that provision may be made to accelerate emptying and filling of said pockets, if for example it is desired to shorten the runs of the band to make the whole apparatus more compact.
It is an object of the present invention to provide apparatus with which filter rod containing powdered material may be made, which apparatus while largely similar to that of the said copending application provides for accelerated emptying of pockets.
According to the invention, apparatus is provided for producing composite filter rod including portions of pOW- dered filter material, comprising means for feeding filter plugs in succession onto a continuous wrapper with gaps between successive plugs at regular intervals and moving the plugs and the wrapper substantially horizontally through a loading zone, means for filling said gaps with powdered material comprising an endless flexible conveyor band having regularly spaced pockets therein and so arranged that a lower run of said band travels through the loading zone immediately above said plug with the pockets facing downwardly above said gaps, and further means for filling each of said pockets with the powdered material between successive passages of the pocket through the loading zone, including ejection means associated with each of said pockets and arranged to effect positive ejection of powdered material from the pocket during passage of the pocket through the loading zone.
Preferably the ejection means for each pocket comprises a plunger reciprocable in the pocket and arranged to move progressively from a retracted position to an advanced position as the pocket passes through the loading zone; in the advanced position the plunger may effectively fill the pocket while in the retracted position it merely constitutes an end wall of the pocket.
Such plungers may be caused to reciprocate in their associated pockets by various means; where as is most usual the conveyor band is so supported as to have upper and lower horizontal runs connected by semi-cylindrical sections, we may provide vertical plates extending across the edges of the band, with channels on the inner faces of said plates receiving lugs on the sides of the plungers. The said channels them serve as cams and are so formed relative to the configuration of the band as to produce desired reciprocation of the plungers as they move with the band.
In order that the invention may be well understood a preferred embodiment thereof will now be described, reference being made to the accompanying drawings, in which:
FIGURE 1 is a side elevation of the relevant parts of an apparatus embodying the present invention, in section on the plane indicated by line II of FIGURE 2; and
FIGURE 2 is an end view of the same apparatus, in section on the plane indicated by line IIII of FIG- URE 1.
The apparatus shown comprises a horizontal bed 1 on which an endless conveyor belt 2 travels, said belt having a return run (not shown) below the bed 1 from which return run the belt regains the upper surface of the bed 1 via a guide pulley 3. A continuous paper strip 4 is fed on to the bed 1 via a further guide pulley 5, the relative positions of said guide pulleys being such that the belt 2 is fed between the paper strip 4 and the bed 1 so that the belt supports and propels the strip.
Any conventional form of plug-feeding mechanism diagrammatically shown at FF is arranged to supply a succession of conventional filter plugs P to the bed 1; said plugs P are fed in the same direction as the paper strip 4 and belt 2 so as to be carried with said strip and belt, maintaining regularly-spaced gaps between successive plugs. (Although as shown in FIGURE 1 there is a gap between each plug and its successor, if desired the gaps may occur at longer intervals, e.g. there may be two or three abutted plugs between each gap and the next.)
The top surface of the bed 1 is flat in the region (to the right in FIGURE 1) where the plugs P, strip 4 and belt 2 are fed on to it. To the left (as seen in FIGURE 1) of the pulley 3, the top surface of the bed assumes a flattened-V configuration (see FIGURE 2) so as to lift the edges of belt 2 and strip 4 to approximately the height of the top of plugs P; the transition from flat to flattened- V configuration occurs over a length approximately equal to the length of two plugs, P, as indicated by lines 6, 7 (representing the edges of the strip and of the belt respectively).
Above the bed 1 is carried an endless flexible band having a horizontal lower run 8, in which the band lies immediately above the plugs P, and a horizontal upper run 9; said band moves clockwise (as viewed in FIG- URE 1) and traverses semicircular paths in passing be tween its upper and lower runs so as to form a horizontally-elongated loop. The said band is of articulated construction, comprising rubber blocks 10 alternating with metal pockets 11; each pocket 11 comprises a tube of rectangular cross-section having on opposed faces and at its outer end (outer" in relation to the loop formed by said band) a pair of lugs 12, each lug 12 being embedded in and bonded to a different one of the two adjacent rubber blocks 10. The lugs 12 are, therefore, disposed fore and aft of each tube, in relation to the direction of travel of the band, and in between said lugs, i.e. on its sides relative to said direction of travel, but further inward (in relation to the loop) each tube is secured to two endless roller chains 13 forming loops somewhat smaller than that formed by the band.
The chains 13 carry a series of balls 18 resting in recesses 19 in the outer sides of the chains (i.e. the sides adjacent to side plates 14), and each of the plates 14 has a groove 20 into which the balls 18 project; the form of grooves 20, as viewed from the side, determines the form of loop maintained by said chains (and hence the form of loop in which the band is held).
In each pocket 11 a reciprocable plunger 21 is contained, the plungers being rather longer than the associated pockets. Within the loop defined by chains 13 and grooves 20, plates 14 each have an inwardly extending rib 22, these ribs being of such depth as to leave between their opposed faces 23 a sufiicient clearance for the plungers 21. Said faces 23 are grooved as indicated at 24 and recesses in the sides of plungers 21 contain balls 25 which are also received in the grooves 24.
A drive shaft 26 extends through both side plates 14, normal to said plates, and carries two sprockets 27 engaging the two chains 13; in operation of the apparatus, the shaft 26 is driven clockwise (as seen in FIGURE 1) to produce rotation of the chains 13, and hence of the band, in the same sense.
When the band is thus moved, it will be appreciated that each of the pockets 11 moves along a path defined by grooves 18. The plunger 21 associated with each pocket moves along a path defined by grooves 24. Inspection of FIGURE 1 will show that, while the grooves 18 define a symmetrical path, comprising mutually equal upper and lower horizontal lengths connected by equal semicircles, the grooves 24 define an asymmetric path, comprising an upper horizontal length, a lower straight length which is inclined so as to be higher at the right-hand end than at the left-hand end, and dissimilar circular arcs connecting the upper and lower lengths, the right-hand one being of less than the left-hand one of correspondingly more than 180, and the former are being of smaller radius than the latter.
It will be appreciated that any given plunger 21 will, as it and its associated pocket 11 are in any selected position during rotation of the band and chains, be in a position relative to said associated pocket which is determined by the spacing between the grooves 18 and 24 at said selected position. As the different forms of grooves 18 and 24 cause said spacing to vary, the plungers 21 will reciprocate in their pockets 11. With the disposition of the grooves as shown as each pocket 11 traverses the upper run 9 its plunger 21 will be largely withdrawn from the pocket and powdered filter material from the reservoir 16 will fill the pocket. As the filled pocket is then moved round the semi-circle at the right-hand end of the assembly, the relative positions of the plunger and pocket will not change, and the pocket remains full of the powdered material (flanges 15 preventing spillage). As the full pocket traverses the lower run 8, however, the plunger 21 is constrained to enter the pocket progressively until, at the left-hand end of the lower run, the plunger nearly fills the pocket; the powdered filter material is thus positively ejected from the pocket and enters one of the gaps between successive plugs P, which will be travelling below the pocket.
As the pocket 11, new empty, moves in an arcuate path at the left-hand end of the assembly, to return to the upper run 9, the plunger 21 is withdrawn to restore the original relationship to these parts to permit another filling of the pocket with powdered filter material.
It will be seen that the apparatus shown and described makes possible the continuous production of filter rod containing portions of powdered material in an efficient manner, even where the operating speed required is high. The positive ejection of the powdered material from the pockets assists materially in avoiding uneven filling of the gaps. between plugs P, which with non-positive emptying of the pockets could occur whenever the powdered material tended to stick to the walls of said pockets.
For completeness, it should be added that the paper strip 4, carrying the plugs P and intervening portions of powdered material, is carried by the belt 2 to the left (as seen in FIGURE 1) and brought to a conventional garniture indicated diagrammaticaly at G, i.e. a folding device which completes the folding of the strip 2, applying adhesive to an overlapped edge portion thereof, to form a cylinder of paper around the plugs P and powdered material; thereafter the rod so formed is cut into such lengths as are convenient. Such garnitures and cutting mechanism are well known in the art and therefore need not be described in detail here.
The apparatus described in detail is, of course, only one preferred embodiment of the invention, various changes in its details being possible without departure from the scope of the invention.
I claim:
1. Apparatus for producing composite filter rod including portions of powdered filter materal, comprising means for feeding filter plugs in succession on to a continuous wrapper with gaps between successive plugs at regular intervals and moving the plugs and the wrapper substantially horizontally through a loading zone, means for filling said gaps with powdered material comprising an endless flexible conveyor band having regularly-spaced pockets therein and so arranged that a lower run of said band travels through the loading zone immediately above said plugs with the pockets facing downwardly above said gaps, further means for filling each of said pockets with the powdered material between successive passages of the pocket through the loading zone, ejection means associated with each of said pockets and arranged to effect positive ejection of powdered material from the pocket during passage of the pocket through the loading zone, and garniture means for continuously folding and securing said wrapper around the plugs and powdered material to form a continuous filter rod.
2. Apparatus as claimed in claim 1, in which the ejection means for each pocket comprises a plunger reciprocable in the pocket and arranged to move progressively from a retracted position in which it constitutes an end wall of the pocket to an advanced position in which it effectively fills the pocket as the pocket passes through the loading zone.
3. Apparatus as claimed in claim 2, including lugs on the sides of said plungers and vertical plates extending across the edges of the conveyor band, said plates having channels on their inner faces to receive said lugs, said channels being arranged to serve as cams so formed relative to the configuration of the band as to produce desired reciprocation of the plungers as they move with said band.
4. Apparatus as claimed in claim 3 in which the conveyor band is of articulated construction and comprises alternate resilient blocks and rigid pockets of tube-like form, said pockets also being secured to a pair of endless roller chains.
5. Apparatus as claimed in 4 in which said blocks are of rubber and said pockets comprise metal tubes of rectangular section, each tube having one of its ends secured between a pair of the blocks and its other end secured to said chains.
References Cited UNITED STATES PATENTS 2,248,311 7/1941 Skoog 2222l7X 3,259,029 7/1966 Hall et al. 93-1 BERNARD STICKNEY, Primary Examiner.
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB39207/63A GB1106931A (en) | 1963-10-04 | 1963-10-04 | Improvements in apparatus for producing composite filter plugs |
GB3965763 | 1963-10-08 | ||
GB3965863 | 1963-10-08 | ||
GB3965563 | 1963-10-08 | ||
GB1580064 | 1964-04-16 | ||
GB2895864 | 1964-07-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3367245A true US3367245A (en) | 1968-02-06 |
Family
ID=27546674
Family Applications (5)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US400862A Expired - Lifetime US3312152A (en) | 1963-10-04 | 1964-10-01 | Apparatus for the manufacture of filter plugs |
US400861A Expired - Lifetime US3340775A (en) | 1963-10-04 | 1964-10-01 | Apparatus for making composite filter plugs for cigarettes |
US400753A Expired - Lifetime US3312151A (en) | 1963-10-04 | 1964-10-01 | Apparatus for manufacturing composite filter plugs |
US400699A Expired - Lifetime US3348455A (en) | 1963-10-04 | 1964-10-01 | Apparatus for producing composite filter plugs |
US447640A Expired - Lifetime US3367245A (en) | 1963-10-04 | 1965-04-13 | Apparatus for producing composite filter plugs |
Family Applications Before (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US400862A Expired - Lifetime US3312152A (en) | 1963-10-04 | 1964-10-01 | Apparatus for the manufacture of filter plugs |
US400861A Expired - Lifetime US3340775A (en) | 1963-10-04 | 1964-10-01 | Apparatus for making composite filter plugs for cigarettes |
US400753A Expired - Lifetime US3312151A (en) | 1963-10-04 | 1964-10-01 | Apparatus for manufacturing composite filter plugs |
US400699A Expired - Lifetime US3348455A (en) | 1963-10-04 | 1964-10-01 | Apparatus for producing composite filter plugs |
Country Status (4)
Country | Link |
---|---|
US (5) | US3312152A (en) |
CH (1) | CH433084A (en) |
DE (1) | DE1432720B2 (en) |
GB (1) | GB1106931A (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3464324A (en) * | 1967-09-11 | 1969-09-02 | Reynolds Tobacco Co R | Loose granular filter making machine |
US3603058A (en) * | 1967-09-05 | 1971-09-07 | Hauni Werke Koerber & Co Kg | Method and apparatus for the production of composite filter tips |
US3625118A (en) * | 1968-02-16 | 1971-12-07 | Molins Machine Co Ltd | Manufacture of filters for cigarettes or like smoking articles |
US4036118A (en) * | 1975-03-15 | 1977-07-19 | Molins Limited | Rod-like articles |
US4870808A (en) * | 1987-03-09 | 1989-10-03 | CSENTIND - Centro Studi Industriali - S.r.l. | Volumetric dosing unit with adjustable-volume doser cells for continuously operating machines producing dual-use filter sachets |
US5176606A (en) * | 1992-01-31 | 1993-01-05 | Philip Morris Incorporated | Laminated belt for filter rod making apparatus |
WO2014147057A3 (en) * | 2013-03-19 | 2014-11-13 | Philip Morris Products S.A. | Apparatus and method for filling cavities with particulate material |
US20180035707A1 (en) * | 2015-03-04 | 2018-02-08 | International Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia | A cleaning unit |
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GB1034306A (en) * | 1964-05-29 | 1966-06-29 | British American Tobacco Co | Improvements relating to the manufacture of cigarette filters |
US3468095A (en) * | 1966-10-18 | 1969-09-23 | Clarence W Vogt | Method of and apparatus for filling preformed cartons with predetermined portions of materials |
US3656518A (en) * | 1967-03-27 | 1972-04-18 | Perry Ind Inc | Method and apparatus for measuring and dispensing predetermined equal amounts of powdered material |
GB1136068A (en) * | 1967-09-22 | 1968-12-11 | Brown & Williamson Tobacco | Multiple filter making machine |
US3578778A (en) * | 1969-03-07 | 1971-05-18 | Matthew Machine Co Inc | Packaging apparatus for filling individual containers |
CH517448A (en) * | 1970-10-12 | 1972-01-15 | Burrus & Cie | Method for producing a cigarette filter unit and device for carrying out the method |
US3807286A (en) * | 1972-10-04 | 1974-04-30 | Brown & Williamson Tobacco | Multiple filter having a loose granule section with perforated inner wrapper |
US3837264A (en) * | 1973-05-07 | 1974-09-24 | Brown & Williamson Tobacco | Intermittent process for manufacture of a multiple filter rod having spaced pockets containing particulate material |
US3844200A (en) * | 1973-05-07 | 1974-10-29 | Brown & Williamson Tobacco | Continuous manufacture of a multiple filter rod having spaced pockets containing particulate material |
US4005668A (en) * | 1975-06-09 | 1977-02-01 | Philip Morris Incorporated | Material transfer method and apparatus |
US4016830A (en) * | 1975-07-16 | 1977-04-12 | Brown & Williamson Tobacco Corporation | Apparatus for dispensing spaced deposits of particulate material |
US4023509A (en) * | 1975-11-12 | 1977-05-17 | Hanson Morris R | Apparatus for planting a plurality of individual seeds in a planting furrow |
US4015514A (en) * | 1976-01-29 | 1977-04-05 | Philip Morris Incorporated | Apparatus for making cigarette filters |
US4285678A (en) * | 1978-03-23 | 1981-08-25 | Molins Limited | Method and apparatus for making composite filter rod |
EP0028115B1 (en) * | 1979-10-26 | 1983-10-05 | J. STODDARD & SONS LIMITED | Feed device and method for supplying free-flowing material to a container |
US4709837A (en) * | 1984-05-01 | 1987-12-01 | Merck & Co., Inc. | Filter assembly for dry powder filling machine |
FR2575825B1 (en) * | 1985-01-04 | 1987-04-17 | Saint Gobain Vitrage | METHOD AND DEVICE FOR DOSING POWDERY MATERIALS |
US4671430A (en) * | 1985-05-20 | 1987-06-09 | Eli Lilly And Company | Powdered material apportioning apparatus |
US5199447A (en) * | 1992-01-31 | 1993-04-06 | Philip Morris Incorporated | Apparatus for high speed delivery of free flowing material |
EP0554100B1 (en) * | 1992-01-31 | 1997-04-02 | Philip Morris Products Inc. | Continuous belt |
US5221247A (en) * | 1992-04-27 | 1993-06-22 | Philip Morris Incorporation | High speed vacuum assisted free flowing material inserter in filter rod manfacture |
US5542901A (en) * | 1992-04-27 | 1996-08-06 | Philip Morris Incorporated | Vacuum arrangement on combiner |
US5339871A (en) * | 1993-05-04 | 1994-08-23 | Philip Morris Incorporated | Apparatus and methods for transferring and metering granular material |
US5875824A (en) * | 1996-08-06 | 1999-03-02 | Atwell; Charles G. | Method and apparatus for high speed delivery of particulate material |
IT1304471B1 (en) * | 1998-08-03 | 2001-03-19 | Ima Spa | STATION FOR THE FEEDING OF ITEMS TO AN UNDERNEATHING TAPE. |
US6723033B1 (en) | 1999-03-02 | 2004-04-20 | Philip Morris Incorporated | Method and apparatus for producing particle bearing filter rod |
US6537186B1 (en) | 2000-07-05 | 2003-03-25 | Baumgartner Papiers S.A. | Process and apparatus for high-speed filling of composite cigarette filters |
US6805174B2 (en) * | 2002-07-31 | 2004-10-19 | Philip Morris Usa Inc. | Dual station applicator wheels for filling cavities with metered amounts of particulate material |
ES2282499T3 (en) | 2002-12-19 | 2007-10-16 | Filtrona International Limited | PROCESS AND APPLIANCE FOR HIGH-SPEED FILLING OF COMPOSITE FILTERS FOR CIGARETTES. |
GB0426615D0 (en) * | 2004-12-03 | 2005-01-05 | Filtrona Suisse Sa | Tobacco smoke filter |
US7849889B2 (en) * | 2006-05-31 | 2010-12-14 | Philip Morris Usa Inc. | Applicator wheel for filling cavities with metered amounts of particulate material |
US8262550B2 (en) | 2009-03-19 | 2012-09-11 | R. J. Reynolds Tobacco Company | Apparatus for inserting objects into a filter component of a smoking article |
ZA200905994B (en) * | 2009-08-28 | 2014-05-28 | Tobacco Res And Dev Inst (Pty) Ltd | Filter rod maker |
US9049887B2 (en) * | 2010-03-26 | 2015-06-09 | Philip Morris Usa Inc. | Apparatus and method for loading cavities of plug space plug filter rod |
PL220876B1 (en) | 2011-08-08 | 2016-01-29 | Int Tobacco Machinery Poland | Device for collecting the powdery substance in the tobacco industry equipment, a scraper for such equipment and a method for dosing of powdery substances |
AT513412B1 (en) | 2012-09-17 | 2014-07-15 | Tannpapier Gmbh | Tipping paper |
EP3348153A1 (en) | 2014-12-02 | 2018-07-18 | MONTRADE S.p.A. | A machine and method in which material is discharged on a moving substrate |
PL410571A1 (en) | 2014-12-16 | 2016-06-20 | International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością | Segment of tobacco industry multi-component product, device for manufacturing segments of multi-component products, as well as method and the device for putting together elements of a multi-component shaft |
PL411548A1 (en) | 2015-03-12 | 2016-09-26 | International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością | A unit feeding the loose material and method for feeding the loose material |
CN106360804B (en) * | 2015-07-21 | 2018-01-30 | 中烟机械技术中心有限责任公司 | Realize cigarette section and the device and method of filter stick section assembling of cigarette with filter tip |
PL234036B1 (en) | 2016-09-06 | 2020-01-31 | Int Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia | Cleaning unit of the tobacco industry machine designed for manufacturing the multiple-segment filter bars and method for cleaning the bar-like elements train |
PL420200A1 (en) | 2017-01-16 | 2018-07-30 | International Tobacco Machinery Poland Spółka Z Ograniczoną Odpowiedzialnością | Feeding unit intended for feeding two kinds of loose material, machine for manufacturing segmented filter inserts and method for feeding two kinds of loose material in tobacco industry |
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US2248311A (en) * | 1939-06-27 | 1941-07-08 | Per F Skoog | Can filling machine |
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US1761065A (en) * | 1928-06-25 | 1930-06-03 | Bausman Alonzo Linton | Confection-making machine |
US2141044A (en) * | 1935-08-07 | 1938-12-20 | Hugo C Rassmann | Hill dropping seeder |
US2381454A (en) * | 1943-03-25 | 1945-08-07 | American Can Co | Machine for filling products into containers |
US2413293A (en) * | 1945-03-30 | 1946-12-31 | Richard R Colburn | Aggregate measurer and feeder |
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- 1964-10-01 US US400862A patent/US3312152A/en not_active Expired - Lifetime
- 1964-10-01 US US400861A patent/US3340775A/en not_active Expired - Lifetime
- 1964-10-01 US US400753A patent/US3312151A/en not_active Expired - Lifetime
- 1964-10-01 US US400699A patent/US3348455A/en not_active Expired - Lifetime
- 1964-10-02 CH CH1281164A patent/CH433084A/en unknown
- 1964-10-05 DE DE1432720A patent/DE1432720B2/en not_active Withdrawn
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1965
- 1965-04-13 US US447640A patent/US3367245A/en not_active Expired - Lifetime
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US2248311A (en) * | 1939-06-27 | 1941-07-08 | Per F Skoog | Can filling machine |
US3259029A (en) * | 1963-07-11 | 1966-07-05 | Liggett & Myers Tobacco Co | Apparatus and process for making filter tips for cigarettes |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3603058A (en) * | 1967-09-05 | 1971-09-07 | Hauni Werke Koerber & Co Kg | Method and apparatus for the production of composite filter tips |
US3464324A (en) * | 1967-09-11 | 1969-09-02 | Reynolds Tobacco Co R | Loose granular filter making machine |
US3625118A (en) * | 1968-02-16 | 1971-12-07 | Molins Machine Co Ltd | Manufacture of filters for cigarettes or like smoking articles |
US4036118A (en) * | 1975-03-15 | 1977-07-19 | Molins Limited | Rod-like articles |
US4870808A (en) * | 1987-03-09 | 1989-10-03 | CSENTIND - Centro Studi Industriali - S.r.l. | Volumetric dosing unit with adjustable-volume doser cells for continuously operating machines producing dual-use filter sachets |
US5176606A (en) * | 1992-01-31 | 1993-01-05 | Philip Morris Incorporated | Laminated belt for filter rod making apparatus |
WO2014147057A3 (en) * | 2013-03-19 | 2014-11-13 | Philip Morris Products S.A. | Apparatus and method for filling cavities with particulate material |
JP2016509856A (en) * | 2013-03-19 | 2016-04-04 | フィリップ・モーリス・プロダクツ・ソシエテ・アノニム | Apparatus and method for filling indentations with particulate material |
RU2640459C2 (en) * | 2013-03-19 | 2018-01-09 | Филип Моррис Продактс С.А. | Device and method for filling cavities with particulate material |
US20180035707A1 (en) * | 2015-03-04 | 2018-02-08 | International Tobacco Machinery Poland Spolka Z Ograniczona Odpowiedzialnoscia | A cleaning unit |
Also Published As
Publication number | Publication date |
---|---|
GB1106931A (en) | 1968-03-20 |
CH433084A (en) | 1967-03-31 |
US3312152A (en) | 1967-04-04 |
DE1432720B2 (en) | 1975-08-07 |
DE1432720A1 (en) | 1969-03-20 |
US3348455A (en) | 1967-10-24 |
US3340775A (en) | 1967-09-12 |
US3312151A (en) | 1967-04-04 |
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