US2057243A - Cigarette - Google Patents

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Publication number
US2057243A
US2057243A US751950A US75195034A US2057243A US 2057243 A US2057243 A US 2057243A US 751950 A US751950 A US 751950A US 75195034 A US75195034 A US 75195034A US 2057243 A US2057243 A US 2057243A
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US
United States
Prior art keywords
recess
strip
folded
shaft
folding
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US751950A
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English (en)
Inventor
May Rowland Frank
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
FILTER TIPS Ltd
Original Assignee
FILTER TIPS Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by FILTER TIPS Ltd filed Critical FILTER TIPS Ltd
Application granted granted Critical
Publication of US2057243A publication Critical patent/US2057243A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • A24D3/0229—Filter rod forming processes
    • A24D3/0245—Filter rod forming processes by winding, e.g. spirally

Definitions

  • This invention relates to cigarettes and is more particularly concerned with the production of filter tip cigarettes in which the filter tip or equivalent mouthpiece insertion is formed by ⁇ transversely xfolding ⁇ a length of strip 'ma-teriaI.
  • the invention has among its objects to provide an improved method of and means for producing such filter tips or like insertions whereby filter tips of definite cross-sectional formation may be readily produced at Ahigh speed'and, further, to provide a filter tipror like insertion having a folded formation requiring the minimum of subsequent compression for retaining or consolidating Aits circular, or substantially circular, cross-section prior to its incorporation in the cigarette or cigarette paper tube or mouthpiece.
  • a method of producing filter tips or like mouthpieces for cigarettes consists in subjecting a length of strip material to the-action of a series of folding devices arranged successively at right angles, or substantially so, whereby the strip is folded transversely in stages and the Vfolded strip is positionedl inrelation to the folding device next in series or in a final ⁇ receiving chamber.
  • 'I'he 4invention moreover -includes a method of producing filter tips or like mouthpieces for cigarettes consisting in subjecting lengths of strip material to the action ⁇ of a plurality of lfolding devices operating Asuccessively on each strip in such manner that ⁇ each strip Vis folded transversely in stages, and ⁇ feeding 'a length of the material to the rst folding device at each stroke or operation thereof so that more ⁇ than o ⁇ one ilength 'ofimaterial is :simultaneously sub'- jected toufolding operations and so that at each stroke or operation of the folding devices a com- .plete filtertip or1likemouthpiece is produced.
  • apparatus for Athe productionof :filter tips orlike mouthpieces comprises a .series of folding devices arranged successively sat .right yangles to :one another and arranged so that thefolded formation produced by one folding .device is .positioned in relation ftothefoldingdevice next in series or in a final receiving chamber.
  • the :folding devices may comprise reciprocatable or :oscillatable blades 'co-ioperating'with slots ⁇ or 'the"like.
  • the slots or the ⁇ equivalent are "shaped or adapted ⁇ to provide reduced or constrictedinlets thereto to ensure tretention of the ,ffoldedcformation in the slot while the respective folding blade is withdrawn.
  • the blade "of the final folding device may be'mounted .in a smember adapted, fin conjunction with the final receiving chamber,
  • the lmeans for :feeding lengths of strip material to lthe folding unit may operate in such manner that a length of strip material is fed to theffirst foldingdevice at each strokefor operation thereof so that more than one llength of material ⁇ is :subjected to folding operations in the folding unit at the ⁇ same-time.
  • the strip-material may be fedfcontinuous'ly by-means of feed rollers and maybe cut into successive lengths by means of a quick-actioncutter.
  • The-cutter 4advantageously is a rotary cutter llhaving a Acomconstruction of :apparatus v.in accordance with the invention;
  • Figure 2 is an end elevation corresponding to 4 Figure ⁇ 1 ⁇ ;
  • v Figure 3 is a section on .the line III-III, Figure 1;
  • Figure4 isa sectional elevationlof the folding unit nand feed and cut-off mechanism .showing the positions of the ⁇ parts at thecommencement of the folding operation :on a strip;
  • Figurel is a View similarto l Figure 4 illustrating a modification
  • Figure l8 is an end elevation fon an enlarged scale illustrating the approximate foldedforma- ⁇ tion produced in the arrangement shown in V Figure '7.
  • a strip I of material is acted on successively by folding blades 2, 3, 4 whereby the material is folded upon itself substantially at a middle position in the length at each operation.
  • a length I of material fed from a supply spool (not shown) and cut off by a suitable cutting device 5 is located so that the midv point in its length is disposed over a transverse slot 6a in a folding unit member 6, into which slot 6a the strip I is folded by means of the reciprocatable blade 2.
  • the folded strip I is located in the slot 6a so that the mid point of its length is opposite a laterally extending slot 6b of increased width into which the material is folded by the second reciprocatable blade 3 operating in a plane at right angles to the blade 2.
  • the folded material is located so that the mid point of its length is disposed opposite a third slot 6c of increased width into which the material is folded by the reciprocatable blade 4 disposed parallel with the blade 2 and acting in the opposite direction thereto, the blade 3 operating when the first and third blades 2 and 4 are withdrawn.
  • the slot 6c terminates in a tubular receiving chamber 6d from which the completed folded lter tip formation I a is ejected by means of a plunger 'I into a receiving tube 1c from which it may be delivered into chambers in an intermittently rotatable drum 8 o-r other carrier or conveyor or into a receiving spoon for transfer into a cigarette, or such tube Ic itself may be constituted by a spoon whereby the filter tip may be inserted into a cigarette.
  • the blade 4 may be carried by a member 4c which at its upper end is shaped so that when in the position shown in Figure 5 it provides, in conjunction With the chamber 6d, a more or less complete bore in which the folded filter tip formation la is shaped to an approximately circular cross-section prior to ejection by the plunger l.
  • the inlet to each slot is reduced in width or otherwise adapted to form narrow necks 2', 3' and 4', respectively.
  • the material owing to its natural tendency to expand after passing such neck, is held by said narrow necks against return movement during withdrawal of the respective blade.
  • the folding blades and the feeding, cutting-off mechanism and ejecting mechanism may be arranged and constructed in any suitable manner.
  • the blades 2, 3, 4 may be adjustably carried by slides 2a 3a, 4a.
  • the slides 2a and 3a are connected by links 2b, 3b respectively to a bell crank lever 9 mounted on a shaft IIJ which is oscillated by means of a crank IIa through a link I Ib and arm Ia, the crank I Ia being mounted on a shaft II disposed parallel with the shaft Ill and carried in bearings in opposite walls of the frame I2.
  • the slide 4a is connected by means of a link 4b to a bell crank lever I3 oscillatable on a pivot I3a, the upwardly extending arm of the lever I3 being connected to an eccentric strap I4a co-operating with an veccentric I4 on a shaft I5 arranged at right angles to the shaft II and driven therefrom by the co-operating bevel gears IIc, I5a.
  • the ejecting plunger 'I is connected by a transverse pin Ib to twin eccentric straps I 6a co-operating with twin eccentrics I6 mounted on the shaft I5, the plunger I being slidable in a fixed guide Il mounted co-axially with the receiving chamber 6d.
  • the feed of the strip material to the folding unit is effected by rollers I8, I8a geared together by gears I9, I9a and driven through the gear I9b on the spindle of the lower roller I8a and a gear Ild on the shaft II.
  • the rollers I8, I8a are formed with circumferential slots
  • the strip material is guided to the rollers I8, I8a by means of a feed tray 2
  • the cutter 5 which is in the form of a comparatively narrow blade is mounted on a disc 5a carried by a shaft 22 provided with a gear 22a meshing with a gear 23 rotatable on a xed bolt or pin 23a which gear 23 in turn meshes with a gear I 5b Von the end of the shaft I5.
  • a fixed blade 24 is arranged to co-operate with the cutter 5 and is carried by a support 24a.
  • a guide 6e may be arranged to ensure correct positioning of the strip material above the slot 6a.
  • the mechanism described may be driven by means of a gear 25a mounted on a shaft 25 and meshing with a pinion IIe on the shaft II, the gear 25al being in turn driven by a pinion 26a on a shaft 26 which may be connected up to a suitable power drive and/or to other mechanism with which the apparatus described has to operate in timed relation.
  • the mechanism is timed so that the blade 2 engages the length I of strip material practically at the same time as the cutter 5 severs the length from the continuous strip fed forward by the rollers I8, Ia.
  • the final folding blade 4 is arranged to operate in the same direction as the blade 2, thereby producing a folded formation approximately as shown in Figure 8.
  • the folded material may be ejected from the third slot by the action of the third blade into a fixed or moving channel which may be constituted by the suitably guided paper strip of a continuous rod machine provided with means for forming spaces in the tobacco filling for the reception of the filter tips or with means for subsequently depositing lengths of tobacco between the filter tips applied on the paper strip.
  • An apparatus for forming paper wads comprising a block having a downwardly extending recess, a horizontal recess extending from the mid-depth of the downwardly extending recess, a vertical recess extending from the mid-portion ofthe horizontal recess, a substantially cylindrical molding chamber formed as a continuation of said Vertical recess, plungers cooperating with said recesses to fold and insert a sheet of material into the first recess and fold and transferthe same serially to the molding chamber, a bell-crank lever, a link connecting one end of said lever to the plunger cooperating with the downwardly extending recess, a link connecting the other end of said lever with the plunger cooperating with the horizontal recess, a shaft for rocking said lever, and means for transmitting rotary motion from said shaft to reciprocatory motion of the plunger cooperating with said vertical recess.
  • An apparatus for forming paper wads comprising a block having a downwardly extending recess, a horizontal recess extending from the mid-depth of the downwardly extending recess, a vertical recess extending from the mid-portion of the horizontal recess, a substantially cylindrical molding chamber formed as a continuation of said vertical recess, plungers cooperating with said recesses to fold and insert a sheet of material into the rst recess and fold and transfer the same serially to the molding chamber, a bell-crank lever, a link connecting one end of said lever to the plunger cooperating with the downwardly extending recess, a link connecting the other end of said lever with the plunger cooperating with the horizontal recess, a rock shaft carrying said bell-crank lever, a rotary shaft, a crank aixed to said rotary shaft, a crank aflixed to said rock shaft, a link connecting the free ends of said cranks to transfer rotary motion of the rotary shaft into rocking motion of
  • An apparatus for forming paper wads comprising a block having a downwardly extending recess, a horizontal recess extending from the mid-depth of the downwardly extending recess,
  • a Vertical recess extending from the mid-portion of the horizontal recess, a substantially,y cylindrical molding chamber formed as a continuation of said vertical recess, plungers cooperating with said recesses to fold and insert a sheet of material into, the first recess and fold and transfer the same serially to the molding chamber, a bell-crank lever, a link connecting one end of said lever to the plunger cooperating with the downwardly extending recess, a link connecting the other end of said lever with the plunger cooperating with the horizontal recess, a rotary shaft, means for transmitting rotary motion from said shaft to rockingA motion of said bellcrank, and means for transmitting rotary motion from said shaft ⁇ to reciprocatory motion of the plunger associated with the vertical recess in synchronism with the plunger of the downwardly extending recess.
  • An apparatus for forming paper wads comprising a block having a downwardly extending recess, a horizontal recess extending from the mid-depth of the downwardly extending recess, a vertical recess extending from the mid-portion of the horizontal recess, a substantially cylindrical molding chamber formed as a continuation of said vertical recess, plungers cooperating with said recesses to fold and insert a sheet of material into the i'lrst recess and fold and transfer the same serially to the molding chamber,
  • means for ejecting the molded formation axially from the molding chamber means for effecting simultaneous folding movement of the plungers cooperating with said downwardly extending and Vertical recesses, and means for effecting simultaneous folding movement of the plunger cooperating with the horizontal recess and ejecting action of the ejecting means.

Landscapes

  • Cigarettes, Filters, And Manufacturing Of Filters (AREA)
US751950A 1933-11-09 1934-11-07 Cigarette Expired - Lifetime US2057243A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB31292/33A GB427125A (en) 1933-11-09 1933-11-09 Improvements in the manufacture of filter tips for cigarettes

Publications (1)

Publication Number Publication Date
US2057243A true US2057243A (en) 1936-10-13

Family

ID=10320960

Family Applications (1)

Application Number Title Priority Date Filing Date
US751950A Expired - Lifetime US2057243A (en) 1933-11-09 1934-11-07 Cigarette

Country Status (6)

Country Link
US (1) US2057243A (xx)
BE (1) BE406140A (xx)
DE (1) DE629241C (xx)
FR (1) FR783149A (xx)
GB (1) GB427125A (xx)
NL (1) NL38858C (xx)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685827A (en) * 1951-02-05 1954-08-10 Veyne V Mason Sheet material pelletizing apparatus and method
US2685828A (en) * 1951-02-05 1954-08-10 Mason Formation of pellets from sheet material
WO2021234587A1 (en) * 2020-05-19 2021-11-25 International Tobacco Machinery Poland Sp. Z O.O. Apparatus and method for manufacturing a roll of crimped filling material for rod-like articles

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685827A (en) * 1951-02-05 1954-08-10 Veyne V Mason Sheet material pelletizing apparatus and method
US2685828A (en) * 1951-02-05 1954-08-10 Mason Formation of pellets from sheet material
WO2021234587A1 (en) * 2020-05-19 2021-11-25 International Tobacco Machinery Poland Sp. Z O.O. Apparatus and method for manufacturing a roll of crimped filling material for rod-like articles

Also Published As

Publication number Publication date
DE629241C (de) 1936-04-25
GB427125A (en) 1935-04-16
NL38858C (xx) 1936-08-15
BE406140A (xx) 1934-12-31
FR783149A (fr) 1935-07-08

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