US997667A - Machine for wrapping sweetmeats or other articles. - Google Patents

Machine for wrapping sweetmeats or other articles. Download PDF

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Publication number
US997667A
US997667A US61703411A US1911617034A US997667A US 997667 A US997667 A US 997667A US 61703411 A US61703411 A US 61703411A US 1911617034 A US1911617034 A US 1911617034A US 997667 A US997667 A US 997667A
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wrapper
carrier
jaws
sweetmeat
gripping
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US61703411A
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Frederick Grover
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Forgrove Machinery Co Ltd
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Forgrove Machinery Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C53/00Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/14Twisting

Definitions

  • the present invention refers to a machine for wrapping sweetmeats and other articles, of that kind in which the leading end of the .wrapper is formed into tubular formation,
  • wrapper tube which 'passes through the open jaws of. the carrier, and upon the jaws belng closed they will grip the wrapper and the sweetmeat ⁇ within same,l whatever may ⁇ be the precise shape or size, within reasonable limits, of the said sweetmeat.
  • the jaws Since, however, the jaws must be opened by mechanism which doesnot rotate with the carrier, it will be obvious that the tails of the gripping jaws must at each stoppage of the rotative motionl of the carrier be in one and the sameparticular angular position so as to be opposite the opening device, and moreover, since in the wrapping operation it is desired 'that the rotative carrier shall revol-ve in one ⁇ direction fort-he twisting of the tails of one package, and shall revolve in the opposite direction for the twisting ofk the tails of the next package, and so on, mechanism must be provided which will accomplish this result, and accordingly in carrying out the present invention the rotative carrier is made in two parts, fixed together and clamping between them a sprocket toot-hed ring to receive an endless chain for communicating the rotary motion,
  • the chain (which 4is endless) .passes over an idle sprocket wheel ,and is connected to the end of a cam-operated lever arm by which first the chain is moved a measured distance in one direction, and at the next operation the same measured distancelin the return direction, consequently operating the rotative carrier through the same angular distance at rone operation in one direction as it does in the other direction.
  • thetail ends of the gripping jaws are always brought to rest in the saine angular position and opposite to the operative mechanism by which those jaws are-opened at the proper times.
  • the leading end of the wrapper strip is brought into tubular form by. passing the strip through a space between the surfaces of adjacent stationary plates, which are gradually curved so that at the exit end the Strip is brought into tubular form, and then to introduce the sweetmeat it is dropped on to one of the 'curved plates, and then pushed by a plunger -along such a plate until it is brought into the wrapper tube in the proper position.
  • the disadvantage which is incident to the known machines referred to, is thatthe sweetmeats dealt with are frequently of an adhesive nature, and consequently are liable to stick to the end of the plunger by which they yare forced into the wrapper tube, and
  • the present invention provides that the sweetmeat shall be dropped, in the first place, directly uponthe surface of the wrapper and not pass one after the other over t-he same plate, and when thus carried 4out as hereafter explained by this invent-ion, each sweetmeat is only moved along a' poralong another portion of the wrapper, and
  • the wrapper Astrip first passes through a slot of J shape in a stationary.
  • FIG. l is a sectional front elevation and Fig. 2 an end elevation, looking from the left of Fig. l
  • Fig. 3 is a plan view showing a suitable feed mechanism for delivering sweetmeats to the machine.
  • Fig. 4 is a sectional front elevation, and Figs. 5 and 6 sectional end elevations of the wrapping mechanism, the latter two figures being ,taken on the lines A, A and B, B of Fig. 4 looking from the right hand side of the latter figure.
  • Figs. v7 and 8 are views showing two guide plates.
  • Fig. 9 is a view of the end of the wrapper tube with a sweetmeat in position
  • Fig. l0 shows the wrapped article.
  • the framework l of the machine carries a motion shaft 2 driven by belt pulleys 3, and on the framework there are two brackets 4, which carry between them the rotative carrier 5 composed of two parts fixed together, (Fig. 4), and gripping between thema sprocket wheel 6 engaging an endless chain 7 (Fig. 6) passing over an idle sprocket wheel 8 (Fig. l); links 9 (Fig. 1),on the end of a lever 10, pivoted on a spindle. 11, are fixed to one length of the chain 7 (Fig. l), and the lever 10 carries a bowl 12 contacting with a cam 13 loose on the main shaft '2 and driven by spur gearing 14.at half the speed of the main shaft 2.
  • VThe gripping jaws 44 (Fig.
  • crossed ends of the jaws 44 always stand -vertically inthe position shown at Fig. 6, and as will be observed the tail ends stand up beyond the rotative carrier, 5.
  • a lever 48 Fig. 6
  • a reel x Carried from the framework 1v of the machine is a reel x from which astrip of paper passes beneath a spring clip 16, and then eX- tends forward to within the rotative carrier 5, although not so shown in the drawings, since the illustration of the paperl passing through same would confuse the drawings.
  • the'paper passes first through a J- ⁇ - ⁇ s ⁇ hapedaperture 17 (Fig. 7) in a plate 17X (Fig. 1) by which the paper isformed into Va channel shape, and then the'paper passes overa stationary curved trough 27 (Fig. 1) by which it is supported, andthen through a circular aperture 18 (Fig. 8) in a station- Aary vertical plate 18"'A (Fig.
  • a sweetmeat is dropped on to the wrapper strip 15 upon the. trough 27 (Fig. 1), it is pushed forward by. a plunger 39 which is free to pass through a hole 17y in the plate'lX (Fig. 7), and the plunger is shown at Figs. 1 and 4, and it forces the sweetmeat between the jaws 44 (Fig. 4) within the paper tube.
  • the plunger 39 is carried in bearings 40, connected by klink 41 to bell 'crank lever 42 pivoted at '11"'fto the framework, said lever having a bowl operated by a cam'43 on the main shaft 2, :whereby the plunger-39 receives its reciprocative motions atproper times.
  • a pair of gripping levers 53 is provided on each side of the ysaid rotative carrier
  • Each pair of gripping levers is held in its closed position upon the wrapper tube 15 by springs 54, and the said levers'53 are Xed upon rockshafts 52 (Figs. 5 and 6).
  • rlhese rockshafts are carried by extensions of the brackets 4 which also form the bearings for the rotative carrier 5, and the shafts 52 (Fig. G) are connected together by segmental gearing so that by partially rotating one of the shafts 52, both sets of gripping levers 53 are opened against the action of the springs This is effected by an arm 55 (Fig. (i)
  • Fig.'9 shows the end of the wrapper tube 15 which has just been cut oi on the left hand side by the scissor blades 58, and Fig. 10 shows the completely wrapped article.
  • aiid means for operating same to vintermittently chine means for forming the-.Wrapper strip firstly into gutter section and nally into tubular form, a rotative annular carrier through and into which said tubular-formed wrapper is drawn, and means for inserting saidsweetineat to be wrapped into said tubular'wrapper within said annular carrier; of a pair of pivotedl gripping jaws carried by said carrier with the ripping ends of said jaws located concentrically of said annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein, means for intermittently rotating said carrier carrying said gripping jaws, springs ⁇ to maintain said pivoted jaws of said carrier normally closed, crossed tailends to said gripping jaws extending beyond.
  • gripping jaws carried by said carrier, a pivot on one ring member of said carrier to carry one jaw and a pivot on the opposite ring member of said carrier to carry the opposite jaw, the gripping ends of said jaws being located concentrically of said annular carrier, crossed tail ends to said jaws extending beyond the periphery of said rotative carrier and upon each side of said sprocket toothed ring of said carrier, an endless chain passing over and engaging said sprocket ring of said carrier, an idle pulley on the framework of machine over which said endless chain passes, and means for traversing said lchain first in one direction and then in the other through a regulated distance to rotate said rotative carrier first in one directioiik and than in the other, springs to maintain said pivoted jaws of said carrier normally closed, means fory opening said jaws of said carrier during the interval between each rotation of same, means for gripping said tubular wrapper and holding same stationary atboth ends of said rotative carrier during ⁇ rotation of the latter, and means for dividing
  • affinachine of the type specified. for inclosing sweetmeats or other articles in wrappers: the combination with withdrawal iingers atI the delivery end of the machine, and means for operating sametointermittently pull the wrapperistrip through said machine, means for formingthe wrapper strip into gutter-shaped section near its leading end, a ,stationary l,curved trough for supporting the length of such gutter section wrapper strip, means for dropping a sweetmeat at proper intervals into the gutter channel of suoli wrapper strip, means for forming said wrapper strip into tubular form, a/ rotative annular c ai'rier through and into which said tubular-formed wrapper is drawn, and means for inserting said sweetmeat to be wrapped into said tubular wrapper within said annular carrier; of a pair of pivoted gripping jaws carried by said carrier Vwith the gripping ends of Said jaws located concentrically of said-annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein, means for
  • a rst stationary vertical plate fixed on the framework of the machine and having an aperture of J shape through which aperture the wrapper rst passes to bring the latter into trough shape
  • a stationary curved 7trough carried by the framework and located beneath the trough-shaped wrapper' to lsupport thesame
  • means for dropping a sweetmeat to be wrapped at proper intervals linto the-gutter channel of such wrapper strip above said stationary curved trough a second stationary-vertical plate carried by the 'framework and having 4a circular aperture through which the trough-shaped wrapper passes to thereby convert it into tubular form
  • arotative annular carrier through andy into which said tubular-formed wrapper 1 is drawn, and means ⁇ for inserting said sweetineat to be

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Basic Packing Technique (AREA)

Description

-RGROVBR. MAGHINE'I'OR WRAPPING SWEBTMEATS OB. OTHER ARTICLES.
APPLICATION FILED MAR. 27, 1911.
Patented July 11 4 SHEETS-"SHEET l.
' F. GRQVER; MACHINE IOR WRAPPING SWBETMEATS OR OTHER ARTICLES.
APPLICATION FILED MAR. 27, 1911.l
997:66?. Patented Ju1y 11,'1911.
4 SHEETS-SHEET 2.
F. GROVBR. MACHINE FOR WRAPPING SWBETMBATS 0B. OTHER ARTICLES.
APPLIOATIQN FILED MAB. 2.7, 1911.
Patented July 11 4 SHEETS-SHEET s.
E'. GRVER.
MACHINE POE WRAPPING SWEETMEATS OR OTHER ARTICLES. APPLICATION LED MR 27, 1911.
99?,67 Patented July 11,1911.
4 SHEETS-SHEET 4A FREDERICK GROVER, OF LEEDS, ENGLAND, ASSIGNOE TO THE FORGROVE MACHINERY COMPANY LIMITEE, OF LEEDS, ENGLAND.
MACHINE FOR-WRAPPING- SWEETMEATS 01's"- OTI-IER ARTICLES.
Specification of Letters Patent.
Patented July 11, 1911.
Application filed March 27, 1911. Serial No. 617,034.
. ful-Improved Machine for Wrapping Sweetrol meats or other Articles, and of which the following is a specification.
The present invention refers to a machine for wrapping sweetmeats and other articles, of that kind in which the leading end of the .wrapper is formed into tubular formation,
the sweetmeat inserted therein, the portion of the wrapper surrounding thesweetmeat and the sweetmeat itself held by a rotative carrier through-which the tubular wrapper passes, while the paper tubular wrapper at a distance from each end of the sweetmeat is gripped by stationary grippers, whereby upon the carrier being-rotated the `wrapper becomes twisted at each end of the said sweetmeat, and the wrapper then cut 'at the twisted part. In such known machines, in order to enable the rotative carrier when revolving to hold the port-ion of the tubular wrapper surrounding the sweetmeat, and the `sweet-meat also, the tubular part of the wrapper has been passed through a flattened tube carried inthe ring-shaped rotative carrier, the opposite walls .of which tube are at a distance apart to exactly it the sweetmeat and intended thereby to hold the latter and the surrounding part of the wrapper tube during the rotative action, while at the same timefthe wrapper tube at a distance from either endof the sweetmeatwas to be gripped by lstationary grippers, so that the wrapper tube became twisted at either end of the sweetmeat and the latter so incloscd. Such a known device presents disadvantages in operation, in that the sweetmeat to be wrapped must first of all be of an exact size to tit between the walls .of the Aiattened tube, and even then the sweetmeat must also be ofsuch a shape that it will not turn within the flattened tube. Now according to the present invention this disadvantage is entirely obviated, by providing the ringshaped carrier with jaws pivoted thereto, the gripping' mouth of the jaws being concentric with the carrier and being made with scissors-like or cross tails extending beyond the periphery of the ring-shaped carrier, such jaws being held lclosed by spring action to grip the tube and its contained sweetmeat and being opened by mechanical means. With such an apparatus it will be clear that when the jaws are opened by mechanical means, the sweetmeat can be slid into the.
wrapper tube which 'passes through the open jaws of. the carrier, and upon the jaws belng closed they will grip the wrapper and the sweetmeat `within same,l whatever may `be the precise shape or size, within reasonable limits, of the said sweetmeat. Since, however, the jaws must be opened by mechanism which doesnot rotate with the carrier, it will be obvious that the tails of the gripping jaws must at each stoppage of the rotative motionl of the carrier be in one and the sameparticular angular position so as to be opposite the opening device, and moreover, since in the wrapping operation it is desired 'that the rotative carrier shall revol-ve in one` direction fort-he twisting of the tails of one package, and shall revolve in the opposite direction for the twisting ofk the tails of the next package, and so on, mechanism must be provided which will accomplish this result, and accordingly in carrying out the present invention the rotative carrier is made in two parts, fixed together and clamping between them a sprocket toot-hed ring to receive an endless chain for communicating the rotary motion,
while at the same time one gripping jaw ispivoted to one member of the rotative carrier and the other gripping jaw to the opposite member, so that the chainand sprocketringmay-pass between them. The chain (which 4is endless) .passes over an idle sprocket wheel ,and is connected to the end of a cam-operated lever arm by which first the chain is moved a measured distance in one direction, and at the next operation the same measured distancelin the return direction, consequently operating the rotative carrier through the same angular distance at rone operation in one direction as it does in the other direction. Thus thetail ends of the gripping jaws are always brought to rest in the saine angular position and opposite to the operative mechanism by which those jaws are-opened at the proper times.
In knownmachines of thekind to which this inventio-n relates, the leading end of the wrapper strip is brought into tubular form by. passing the strip through a space between the surfaces of adjacent stationary plates, which are gradually curved so that at the exit end the Strip is brought into tubular form, and then to introduce the sweetmeat it is dropped on to one of the 'curved plates, and then pushed by a plunger -along such a plate until it is brought into the wrapper tube in the proper position. Now the disadvantage which is incident to the known machines referred to, is thatthe sweetmeats dealt with are frequently of an adhesive nature, and consequently are liable to stick to the end of the plunger by which they yare forced into the wrapper tube, and
plunger.
therefore are liable to be drawn out again upon the retrograde movement of the this inventioirwitlr positively act-ing 'grippers in the rotative carrier, 1s greatly lessened, because the grippers exert a positive pressure upon the sweetmeat which is genorally greater than the tenacity of the adhesive sweetmeat to the plunger, but in the known machines wherein the sweetmeats are .dropped as aforesaid one after the other on to one and the same plate beneath which the lpaper strip is passing, it will be understood that the surface of that plate is liable to become thickly coated with adhesive matter which collects thereon from the succession of sweetmeats which have been passed over it; a sweetmeat passingcver such a coated surface collects adhesive matter as well as itself being adhesive to some extent, and
therefore is liable to adhere to the end of the plunger with some considerable force and so might possibly be drawn back upon tion of the wrapper and the next sweetmeat the retreat of the plunger instead of being left between the gripping jaws. To o-bviate entirely any such difficulties and disadvan-l tages, the present invention provides that the sweetmeat shall be dropped, in the first place, directly uponthe surface of the wrapper and not pass one after the other over t-he same plate, and when thus carried 4out as hereafter explained by this invent-ion, each sweetmeat is only moved along a' poralong another portion of the wrapper, and
so on, so that no collection of adhesive matter takes place to add to the adhesiveness of any kind of sweetmeat. To attain this technical effect, the wrapper Astrip first passes through a slot of J shape in a stationary.
plate and so brought into a channel section, and when so formed has an under-support consisting of av lstationary channel-shaped bed. It is when ysosupported and of such Of course any chance of such -withdrawal with a machine accordlng to and along the tubular part of the wrapper to position within the field of action of the gripping jaws carried by the rotative carrier. rl`he saidjaws then close on the sweetmeat, hold it firmly, and the plunger retires leaving the sweetmeatwith certainty in the grip of the said jaws. The wrapper is drawn through the machine by means of gripping delivery fingers at the delivery end hereafter described.
An'exam )le of construction 0f the machine according to the present invention is shown on the accompanying drawings whereon Figure l is a sectional front elevation and Fig. 2 an end elevation, looking from the left of Fig. l, and Fig. 3 is a plan view showing a suitable feed mechanism for delivering sweetmeats to the machine. Fig. 4 is a sectional front elevation, and Figs. 5 and 6 sectional end elevations of the wrapping mechanism, the latter two figures being ,taken on the lines A, A and B, B of Fig. 4 looking from the right hand side of the latter figure. Figs. v7 and 8 are views showing two guide plates. Fig. 9 is a view of the end of the wrapper tube with a sweetmeat in position, and Fig. l0 shows the wrapped article.
The framework l of the machine carries a motion shaft 2 driven by belt pulleys 3, and on the framework there are two brackets 4, which carry between them the rotative carrier 5 composed of two parts fixed together, (Fig. 4), and gripping between thema sprocket wheel 6 engaging an endless chain 7 (Fig. 6) passing over an idle sprocket wheel 8 (Fig. l); links 9 (Fig. 1),on the end of a lever 10, pivoted on a spindle. 11, are fixed to one length of the chain 7 (Fig. l), and the lever 10 carries a bowl 12 contacting with a cam 13 loose on the main shaft '2 and driven by spur gearing 14.at half the speed of the main shaft 2. VThe gripping jaws 44 (Fig. 6) which are carried by the rotative carrier5,`are pivoted respectively to opposite side parts of the said carrier at 44", and each jaw 44 is acted upon by a spring 45 tending to keep the mouth of the jaws closed, 'which' mouth is concentric with the said carrier 5. The -jaws 44 thus pass upon opposite sides of. the chain 7 'and its sprocket wheel, and the tail-ends of the jaws are crossed, and the 'extent of rotative mot-ion in either direction given to the rotative carrier 5 by means of the chain 7 before described, is such-that at the termil,
nation of a motion in either direction, the
crossed ends of the jaws 44 always stand -vertically inthe position shown at Fig. 6, and as will be observed the tail ends stand up beyond the rotative carrier, 5. In order to open the jaws 44 against the action of the being carried by a lever 48 (Fig. 6) fulcrumed at 49, a cam 51 on a rotative shaft 25 hereafter mentioned acting on a bowl 50 -at the end of the lever 48, so as to rock the lever and cause the rollerl 47 to open the jaws 44 when required and permit the said ja'wsfto close at proper times.
Carried from the framework 1v of the machine is a reel x from which astrip of paper passes beneath a spring clip 16, and then eX- tends forward to within the rotative carrier 5, although not so shown in the drawings, since the illustration of the paperl passing through same would confuse the drawings. During its passage fram the CHP 16 Fig. 1, the'paper passes first through a J- `-\s\hapedaperture 17 (Fig. 7) in a plate 17X (Fig. 1) by which the paper isformed into Va channel shape, and then the'paper passes overa stationary curved trough 27 (Fig. 1) by which it is supported, andthen through a circular aperture 18 (Fig. 8) in a station- Aary vertical plate 18"'A (Fig. 1),bywhich the paper is formed into a tube and so the paper passes in tubular form through the jaws 44 of the rotative carrier to be gripped 'at the proper times by gripping lingers 28 atthe delivery end of the machine (Fig. 1). During the passage of the strip 15 over the trough 27, thatis when the strip is of J-Shaped section, the sweetmeat to be wrapped is dropped on to the said strip 15 of wrapping material by means of an automatic feed device. An example of a suitable feed d-evice is shown at Figs. 1 and 3; it
consists of a stationary table '19 over which turns the wheel 20 mounted on a vertical shaft 21, which is driven from the main shaft 2 (Fig. 1) by bevel gearing 22 (Fig. 2), vertical shaft 23, bevel gearing 24, cross shaft 25, and worm gearing 26 (Fig. 3), so
that sweetmeats placed inthe trough-shaped projectionsmof the lfeed wheel 20 are carried around on the 'stationary table 19,),and are dropped one by one on t0 the wrapper strip 15 inthe stationary trough 27 -as they are forced by the wheel 20 over the edge formed by the cutaway part of the table 19. The shaft above referred to carries also the cam 51 previously mentioned, lfor optaating the opening device of the grippers kof the carrier 5. rl`he -wrapper strip 15 after being passed through the rotative carrier, is drawnforward the requisite distance by a pair of intermittently operated gripping fingers 28, (Figs. 1 and 4). The upper finger 28 is pivoted at 28X to ,an arm 29, which' latter is itself pivoted at? 29X to the framework, said pivot 28X being fixed in addition, to the end of an arm 30, while the lower finger 28 is pivoted at 28Y (Fig. 4) to the arm 29 and meshed with the upper finger 28 by segmental ge'aring731. The two arms 29, 30 are respectively connected, by `con- .)necting rods32, 33, to bell crank levers 34,
pivoted at 11 to the framework, said levers 34, having bowls 36, 36x in contact with cams 37 38 situated on the main shaft 2, by the operation of which the fingers 28 'areA caused to take hold of the paper tube 15 and draw forward a suitable length. y
)Vhen a sweetmeat is dropped on to the wrapper strip 15 upon the. trough 27 (Fig. 1), it is pushed forward by. a plunger 39 which is free to pass through a hole 17y in the plate'lX (Fig. 7), and the plunger is shown at Figs. 1 and 4, and it forces the sweetmeat between the jaws 44 (Fig. 4) within the paper tube. The plunger 39 is carried in bearings 40, connected by klink 41 to bell 'crank lever 42 pivoted at '11"'fto the framework, said lever having a bowl operated by a cam'43 on the main shaft 2, :whereby the plunger-39 receives its reciprocative motions atproper times.
In order to grip the paper tube 15 at eachk end of the rotative carrier 5 during the twisting action upon the wrapper effected by the Vrotary motion of the said carrier 5, a pair of gripping levers 53 is provided on each side of the ysaid rotative carrier Each pair of gripping levers is held in its closed position upon the wrapper tube 15 by springs 54, and the said levers'53 are Xed upon rockshafts 52 (Figs. 5 and 6). rlhese rockshafts are carried by extensions of the brackets 4 which also form the bearings for the rotative carrier 5, and the shafts 52 (Fig. G) are connected together by segmental gearing so that by partially rotating one of the shafts 52, both sets of gripping levers 53 are opened against the action of the springs This is effected by an arm 55 (Fig. (i)
having a'bowl 5G contact-ing with a cam 57 on shaft 25. On the outer ends of the rockshafts 52 there is fixed the two members of scissor blades 58 (Figs. 4 and 5). which conj 15 between the now open jaws 44 (Fig. (i).
of the rotative carrier 5 into the position in fact which is shown at 46 (Fig. (i). 'The gripper jaws 44 (Fig. G) of the rotative carrier 5 are immediately released by the roller 47 and closed upon ,the 4wrapper tube 15 around the sweetmcat andV hold both lfirmly. even though the size and shape of the sweetmeat are'not precisely the same as the size and shape'of the nent sweetineat to be treated.
Sinultaneouelg the gripping levers 53 upon both sides of the rotative carrier are caused to close uponitlie wrapper tube 15, while also simultaneously the scissor blades are opverated and sever the precedingwrapped positive manner by the action of the chain in the position shown at Fig. 6. The gripping jaws L1 are then opened by the roller 47, and the fingers 28 .advance and seize the end of the wrapper and draw out one step through the machine, bringing out the 'wrapped sweetmeat inclosed in its twisted4 wrapper. The operations are then repeated, excepting that on the next occasion the rotative carrier 5 is revolved from vthe position, Fig. 6, ,in the reverse direction to that in which it was previously revolved, and s0 on. Fig.'9 shows the end of the wrapper tube 15 which has just been cut oi on the left hand side by the scissor blades 58, and Fig. 10 shows the completely wrapped article. i
lVhat I claim as my invention and desire to secure by Patent is l. In a machine of the type specified for inclosing sweetmeats or lother articles in `wrappers; the combination with withdrawal lingers at the delivery end of machine, and means foi` operating same to intermittently pull the wrapper strip through said machine, means for forming the wrapper strip firstly into gutter section and finally into tubular form, a rotative annular carrier through and into which said tubular-formed wrapper is drawn, and means for inserting said sweetmeat to be wrapped into said tubular wrapper withinsaid annular carrier;` ofa pair of pivoted gripping jaws carriedby said carrier with the gripping ends 'of said jaws located concentrically of said annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein, means for intermittently rotating said cari'ier carrying said gripping jaws,
vsprings to lmaintain said pivoted jaws normally closed, means for opening said jaws ot said carrier during the interval between each rotation of saine, means for gripping said tubular wrapper and holding same stationary at both ends of said rotative carrier dur-j ing the rotation of the latter to eliiect the ing the wrapper of the forwardwrapped sweetmeat from the wrapper of the next sweetmeat simultaneouslywith the gripping of said tubular wrapper at opposite ends of said rotativecarrier. Y
2. In a machine of the type specified lfor inclosing sweetni'eatsfv orm'therw"articles in wrappers the combinationwith' withdrawal -fingers at the delivery endof machine, aiid means for operating same to vintermittently chine, means for forming the-.Wrapper strip firstly into gutter section and nally into tubular form, a rotative annular carrier through and into which said tubular-formed wrapper is drawn, and means for inserting saidsweetineat to be wrapped into said tubular'wrapper within said annular carrier; of a pair of pivotedl gripping jaws carried by said carrier with the ripping ends of said jaws located concentrically of said annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein, means for intermittently rotating said carrier carrying said gripping jaws, springs `to maintain said pivoted jaws of said carrier normally closed, crossed tailends to said gripping jaws extending beyond. the periphery of said rotative carrier, a pivoted two-armed "lever carried from the framework of the machine, a roller on one arm of said lever located above said crossed tails of said pivoted jaws carried by' said rotative carrier when the latter is stationary, a driven shaft, a cam on said shaft to act on the other arm of said lever to cause crossed tails of said pivoted jaws to open meat,n means for grippin' said f tubular o, wrapper at both ends of sai rotative carrier during the rotation of the/ latter, and means for dividing the wrapper of the forward wrappedsweetmeat from the wrapper of the next sweetmeat simultaneously with the site ends of said rotative carrier.
3. In a machine of the type specied for inclosing sweetmeats or other articles in wrappers; the combination with withdrawal lingers at the delivery end of machine, and means for operating saine to in- -terinittently pulltlie wrapper strip through said machine, means for forming the wrapper strip firstly into gutter section and finally into tubular form, a rotative annular lar-,formed ivrapper is drawn by lsaid withsweetmeat to be wrapped into said tubular wrapper within said annular carrier; ofy a pair of pivoted gripping-jaws carriedV by said carrier with the gripping ends of said jaws located concentricallyv of said annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein,
one time in one direction fortwisting the wrapper at the ends'o'f one sweetmeat held pull the wrapper strip through said ma-v said roller on said lever to contact with said same to release said'wrapper tube and sweetf gripping of said tubular wrapper at oppocarrier through and into which saidjtubu-v drawal fingers, and means 'for inserting said ,by said gripping jawsof said rotative car rier and att the next time rotating said earl 'means for rotating said'rotative carrier at iso rier` in the opposite direction to twist 'the wrapper at the ends of the lnext succeeding sweetmeat, springs to maintain said pivoted nekt-H sweetnieat simultaneously' with the "gripping of said tubular wrapper at opposite'ends of said rotative carrier. c
' 4'. 'In a .machine of the type specified for inclosing sweetmeats or other articles in Wrappers; the combination with withdrawal fingers at the delivery -end of machine, means for operating same to intermittentlyy .pull the wrapper strip through said niachine, ineans for forming the wrapper sti'ip firstly into gutter section and finally iiito `tubular form, an annular carrier throughl which the tubular-formed wrapper passes, comprisingtu-*o ring members, a sprocket toothed `ring located between said two ring members of said carrier, and means for yholding the ring members and the sprocket toothed ring composing said carrier together, bearing brackets for supporting said carrierand permitting of its rotation, and meansfor inserting the sweetmeat to be wrapped into such: tubular wrapper within said annular carrieryfa pair of. gripping jaws carried by said carrier, a pivot on one ring member of said carrier to carry one jaw and a pivot on the opposite ring member of said carrier to carry the opposite jaw, the gripping ends of said jaws being located concentrically of said annular carrier, crossed tail ends to said jaws extending beyond the periphery of said rotative carrier and upon each side of said sprocket toothed ring of said carrier, an endless chain passing over and engaging said sprocket ring of said carrier, an idle pulley on the framework of machine over which said endless chain passes, and means for traversing said lchain first in one direction and then in the other through a regulated distance to rotate said rotative carrier first in one directioiik and than in the other, springs to maintain said pivoted jaws of said carrier normally closed, means fory opening said jaws of said carrier during the interval between each rotation of same, means for gripping said tubular wrapper and holding same stationary atboth ends of said rotative carrier during` rotation of the latter, and means for dividing `the wrapper of the forward wrapped sweetmeat from the wrap-v per `of the'nextsucceeding sweetmeat.
5. In affinachine ,of the type specified. for inclosing sweetmeats or other articles in wrappers: the combination with withdrawal iingers atI the delivery end of the machine, and means for operating sametointermittently pull the wrapperistrip through said machine, means for formingthe wrapper strip into gutter-shaped section near its leading end, a ,stationary l,curved trough for supporting the length of such gutter section wrapper strip, means for dropping a sweetmeat at proper intervals into the gutter channel of suoli wrapper strip, means for forming said wrapper strip into tubular form, a/ rotative annular c ai'rier through and into which said tubular-formed wrapper is drawn, and means for inserting said sweetmeat to be wrapped into said tubular wrapper within said annular carrier; of a pair of pivoted gripping jaws carried by said carrier Vwith the gripping ends of Said jaws located concentrically of said-annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein, means for intermit-tently rotating said carrier carrying said gripping jaws, springs to maintain said pivoted jaws normally closed, means for opening said jaws of saidcarrier during the in-. terval between each rotation of same, means for gripping said tubular Wrapper and holding same stationary at both ends of said rotative carrier during the rotation of the latter to eii'ect the twisting' of the parts of said wrapper at each end of said sweetmeat, and means for dividing the wrapper of the forward wrapped sweetmeat from the wrapperl of the neit sweetineat simultaneously with the gripping of said tubular wrapper at opposite ends of said rotative carrier.
.6. In a machine ofthe type specified f or4 inclosing sweetmeats or other articles in wrappers; the combination with withdrawal fingers at the delivery end of machine, and means for operating same to intermittently pull'vthe wrapper strip through said machine, a rst stationary vertical plate fixed on the framework of the machine and having an aperture of J shape through which aperture the wrapper rst passes to bring the latter into trough shape, a stationary curved 7trough carried by the framework and located beneath the trough-shaped wrapper' to lsupport thesame, means for dropping a sweetmeat to be wrapped at proper intervals linto the-gutter channel of such wrapper strip above said stationary curved trough, a second stationary-vertical plate carried by the 'framework and having 4a circular aperture through which the trough-shaped wrapper passes to thereby convert it into tubular form, arotative annular carrier through andy into which said tubular-formed wrapper 1 is drawn, and means `for inserting said sweetineat to be Wrapped into said tubular wrapper Awithin said-annular carrier; of a pair of pivoted gripping jaws carried by said carrier with the grippingv ends of said jaws located concentrically of said annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein, means for intermittentlyi'otating said carrier carrying said gripping jaws, springs to maintain said pivoted jaws normally closed, means 'for opening said ja'ws of said carrier during the in-.
7. In a machine of the type specified for inclosing sweetnieats or other articles in wrappers; the combination of a rocking arm at the delivery end of the machine, means for rocking said arm, an upper and i a lower finger pivoted at the upper end of said arm, toothed gear connecting the pivot ot' one finger to the pivot of the other finger to cause the fingers to move in opposite directions when one of said pivots is rocked, a. second arm fixed to the pivot of the upper linger to rock said pivot to open and close said fingers, and means for operating the second arm to cause the fingers to close on the end of the wrapper to draw saine from the machine when the rst arm is rocked and to release said wrapper at the proper time, means for forming the wrapper strip into gutter section and finally into tubular forni, a rotative annular carrier through which said tubular-formed wrapper is drawn by said fingers, and means for inserting said sweetnieat to be wrapped into said tubular wrapper within Said annular carrier; of a pair of pivoted gripping jaws ca rrled by said carrier wit-li the gripping ndsthereof located concentrically of said c rrier, means for intermittently rotating said carrier, springs to maintain said-.pivoted jaws normally closed, means for opening said jawswhen said carrier is stationary, means forl gripping said tubular wrapper and holding same stationary at both ends of said rotative carrier, and means for dividing the wrapper ,of the forward wrapped sweetineat from the wrapper of the nextisweetmeat simultaneously with the gripping of said tubular wrappe atI oppotubular form, a rotative annular carrier tliijqugh and into which said tubular-formed wrapper is drawn, and means for inserting said sweetmeat to be wrapped intol said vtubular wrapper within said annular carnier; of a pair ot pivoted gripping jaws carried by said carrier with the gripping ends ot' said jaws located concentrically of said annular carrier and adapted to grip said tubular wrapper and sweetmeat located therein,nieaiis for intermittently rotating said carrier carryingsaid gripping jaws, springs to maintain said pivoted jaws normally closed, means for opening said jaws of said carrier during the interval between each rotation of same, a pair of pivoted gripping: levers located at the receiving end o1 said rotative carrier and carried fromA the -tramework of the machine, and asimilar pair" ot' gripping levers located at t-h'e delifveryeiidof said rotative carrier, springs to hold\the gripping ends of said levers normally closed togrip the tubular wrapper during the rotation of the rotative carrier, and a lpivoted pair of scissor blades carried by the framework of the machine and located between said pivoted grippinglevers at the delivery end ot' the machine and said drawing-out lingers, means for closing said scissor blades to divide the wrapped article from the article being wrapped simultaneously with the closure of the two pairs of said gripping levers, and means for simul-'
US61703411A 1911-03-27 1911-03-27 Machine for wrapping sweetmeats or other articles. Expired - Lifetime US997667A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934873A (en) * 1957-11-12 1960-05-03 Herbert A Thatcher Apparatus for packing and wrapping food products

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2934873A (en) * 1957-11-12 1960-05-03 Herbert A Thatcher Apparatus for packing and wrapping food products

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