US159582A - Improvement in paper-bag machines - Google Patents

Improvement in paper-bag machines Download PDF

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US159582A
US159582A US159582DA US159582A US 159582 A US159582 A US 159582A US 159582D A US159582D A US 159582DA US 159582 A US159582 A US 159582A
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paper
bag
folders
cam
rock
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B70/00Making flexible containers, e.g. envelopes or bags
    • B31B70/26Folding sheets, blanks or webs
    • B31B70/52Folding sheets, blanks or webs by reciprocating or oscillating members other than plungers and dies, e.g. by fingers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B31MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31BMAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/26Folding sheets, blanks or webs

Description

G. H. KELLOGG. Paper-Bag Machine.
Pate n ted Feb. 9; 1875.
INVERTER:
BY ATTORNEYS.
wnuzssss: if
THE GRAPHIC CQ- PHQTO-LITHJQEHH PARK PLACERLY.
.i NI'IED STATES PATENT IMPROVEMENT IN PAPER-BAG MACHINES.
Specification forming part of Letters Patent No. 1 59,582. dated February 9, 1875; application filed May 9, 1874.
To all whom it may concern:
Be it known that I, CHARLES H. KELLOGG, of East Leverett, in the county of Franklin and State of Massachusetts, have invented a new and Improved Paper-Bag Machine, of which the following is a specification:
j The invention consists of combinations and arrangements of feeding, pasting, folding, and
discharging apparatus and mechanism for operating the said apparatus, all being arranged and designed with a view to the greatest simplicity and economy of construction, and to make bags automatically from rolls of paper in the most efficient manner, and more expeditiously than they are produced with other machines now in use.
In the accompanying drawing, Figure 1 is a plan view of the improved machine. Fig. 2 is a horizontal section of a portion of the machine. Fig. 3 is a detail section on line as m of Fig. 1. Fig. 4 is another detail section on a line parallel to w x, the parts being shown on an enlarged scale. Fig. 5 is a side elevation of the machine. Fig. 6 is a cross-section through a portion of the feeding apparatus. Fig. 7 is a detail of the cam for working the folders which make the longitudinal folds of the bag. Fig. 8 is a detail of the cutters in side elevation. Fig. 9 is a longitudinal sectional elevation of the machine. Fig. 10 is a Q. transverse section of a portion of the machine, showing the folders for making the bottom of f the bag in side elevation.
Fig. 11 is a detail of the cams for working the horizontal bottom-folders. Fig. 12 is a diagram of the piece of paper of which the bag is to be made as it appears after being fed into the place to be folded, pasted for the longitudinal joint and cut off from the roll. Fig. 13 is a diagram of the body or tube formed by folding the sheet longitudinally and joining the edges. Fig. 14 is a diagram of the same after the bottom has been folded by the two horizontal folders. Fig. 15 is a end elevation of Fig. 14. Fig. 16
is an end elevation of the bottom completely folded, and Fig. 17 is a plan of the finished bag as it appears when discharged from the machine.
Similar letters of reference indicate corresponding parts.
The roll of paper A is mounted on a board,
B, at one end of the machine with its journals in bearings O, which allow it to rest on the board; and tension-springs D are employed in connection with the roller to prevent the roll from overrunning by being quickly started and stopped. The-paper passes over guiderolls E along table F, and between feed-rolls Gr, which draw it from the paper-roll and present itto the folding table H'over thelongitudinal body-folders I, the margin J being at the same time drawn under pasting-roll K, to apply the-paste for sticking the edges together for forming the tube or body, Fig. 13. The paste roll gets its supply from the feed-roll L in pastetrough M, on which it is pressed by spring N with sufficient force to turn the feedroll. The paper rests on a carrier, 0 P, which reciprocates between the feed-rolls and the head H, and conveys the paper forward to the cutters, its complete reciprocations corresponding in number with the strokes of the cutters. The carrier is moved forward by the arms S of rock-shaft T, which is turned by cam U on cam-shaft V acting against arm W. The carrier turns the feed-rolls by the belts X, which pass around loose pulleys Z on the lower feed-roll and onto the pulleys Y below.
A coiled spring, A, is applied to the shaft of pulleys Y, to pull the carrier 0 P back after carrying the paper forward, and when the cam U has escaped from arm W. The pulleys Z turning loosely on the axle of the lower feedroll allow these belts to go back without turning the feed-rolls back, and they engage the roll by ratchets B and pawls O, to turn them forward when the belts are pulled forward by the carrier.
The paper passes between the stationary cutterR and the movable one Q when thus moved onto the folding-table, and is cut off by the latter immediately after the carrier goes back, the cutter being forced down by the cam K acting on the arm D of rock-shaft E. The rock-shaft E is connected by arms F and links G with the crosshead H, on which the cutter is mounted and which works in vertical guides 1 The cutter is raised again after the bag is completed and discharged by springs J. The cross-head H also carries a forming-plate, L,
over which the tubular or body portion of the bag is to be folded, which is moved down upon the sheet of paper at the same time that the cutter goes down, and it is held while the folders are performing their work by the cam M, and it is also held, after being allowed to rise a little to free the bag, by the cam N, to allow the bag to be discharged. After this forming-plate comes down on the paper the longitudinal folders I are thrown over on the top of it, as shown in Fig. 10, folding the paper and sticking the edges together by the pasted margin J. The left-hand folder I is a little narrower than the other one, and it acts a little in advance of it, so that the paper turned over by it may be overlapped by that turned by the other, which has the paste J, by which the two edges are stuck together. These folders are turned by the cams O acting on arms P of independent rock-shafts Q, which 7 are connected to the folders by arms R, connectingrods T, and straps U. One of the cams 0 is set a little in advance of the other, to turn one folder a little ahead of the other. After these folders are turned over they are held while the bottom is folded and till the bag is ready to be discharged by the cams S. They are then thrown back by springs V. When the cams pass from the rollers in the ends of the arms P they pass inside of the flanges W at the notches X, to be ready to be caught by cams 0 when they come round again 5 but before the folders I go back the bottom of the bag is folded and pasted, the first operation being by the horizontal spreaders a, which slide forward and swing on their hinges from the positions represented in Fig. 1, and fold in the side parts or edges 1), (Fig. 17,) against the ends of the folders I and the table H. These spreaders are hinged vertically to the sliding pieces 01, and have each a rigid arm, 6, which projects rearwardly at nearly a right angle to the spreaders a. As the slides are pushed forward-i. 6., toward each other-these arms 0 strike against stops f, which are fixed in the table H, and thus cause the spreaders a to turn on their hinges simultaneously. The slides are connected to rock-shafts g by rods h and arms t, and these rock-shafts are connected by arms j, links 70, and levers Z, with a rock-shaft, m, which is turned by cam 10 acting upon its arm n. As soon as the sides I) b of the ends of the tubes (as seen in Fig. 17) are folded in by the action of the spreaders a, the paster q' rises and pastes the upper and lower corners r of the folded bottom, above and below the spreader a, which still remain pressed against the folded parts I). The object of this pasting operation is to unite one of the said corners to the middle 8 of the bottom or end portion of the bag, and the other corner to the first corner, which will result when the corners have been folded, as represented in Fig. 16. This pastor is pivoted at t to a vertical slide, 42, and it is thrown up by the rock-arm w of rock-shaft X,which is worked by lever Z and cam a The spring b throws the paster back instantly, while the horizontal end folders remain until the vertical end folders 0 turn over the upper and lower corners 1", when they go back, being drawn by the spring d. The lower vertical folder has a pressure-roll, 0, connected with it to press the ends 0" together after they are folded, and stick the paste. The folders O are pivoted to their supports, and the upper one has an arm,f, and a spring, 9 to hold it against the paper while the pivot allows it to swingfrom the paper and case its action in case of any undue resistance of the paper in folding. There is also a little projecting stud, h, on the upper corner of eachfolder I, to throw it off a. little when it comes in contact with the paper, so as not to tear or cut it.
The bent parts i of the folder pass over these projections and throw the folder out when rising, to prevent it from being obstructed by them. The lower folder inclines toward and rests against the end of the table, at its upper edge, and has a little coiled spring, 3' to regulate its pressure on the paper. This folder and the pressure-roller i are mounted on the bent rod k, which is mounted on the arms Z of the rock-shaft m which is operated bythe lever 10 and the cam 19 The spring pulls this folder and the roller back. The upper vertical folder is mounted on a cross-head, g, on vertical slides 1", connected by rods t with the arms to of a rock-shaft, w, which is worked by the cam y acting on arm M. The spring Z pulls up the folder after it has done its work. The bottom of the bag being thus formed, the bag is ready to be discharged as soon as the folders move away from it; but, first, the folding-plate L is allowed to rise slightly-by the cam N, to lessen the pressure between it and the discharger 11 on which the under part of the bag lies, and which consists of a thin plate of the length and width of the bag, with its upper surface prepared with rubber or other substance adapted to adhere to the bag sufficiently to push it off by friction. It slides forward toward the discharging-rolls 0 being moved by the rod 61 rock-arm e arm f and cam U. This cam and rock-arm e are also employed to apply the paste to the paster g by means of the pasting-roll 9 which is mounted in the crotched arms h connected to the rock-arm 6 which is connected to the rockarm 6 by the rod j, so that it is forced forward from the feed-roll 70 in the paste-trough 1*, upon the face of the paster. At the same time the discharger is moved forward they are drawn back by the spring m The discharger, being under the lower part of the bag and pushing against the folded bottom below the center to draw it off from the folder L, thrusts the lower edge of the bottom forward and presents it to the rolls 0 so that, in drawing it between them they fold the bottom down on the upper side, as shown in Fig. 17, ready for folding up for packing in bales or boxes.
It will be seen that all the parts except the discharge-rolls c and the paste-roll k? are operated positively by the cam-shaft V and negatively by springs, so that the construction is simple and the machine works faster than it would if cams were used for making the reverse movements. The stationary cutter R is a strong bar of spring steel secured at one end only, as shown in Fig. 8, and it is set so as to cross the line of the edge of the movable cutter, and be sprung back by the latter at each operation, to insure the pressure of the cuttingedges together laterally, so as to work to best advantage and to cause them to wear so as to 3. The combination of the body-folders I, bottom spreaders a, and bottom folders G with the folding table, substantially as specified.
4. The bottom spreaders at, having a springhinge, the slides 01, and their rigid projecting arms 6, in combination with the fixed studs f, as shown and described.
5. The upper folder 0", jointed to the cross head and provided with a spring, 9 and the projections 1L in combination with studs 71. on
the folders I, to swing it outward in the manncr described, to prevent cutting the paper.
6. The paster q pivoted on a vertical slide, and operating in the manner described, in combination with the foldingtable and bottom folders, substantially as specified.
CHARLES H. KELLOGG.
Witnesses:
I. F. GO KEY, E. A. THOMAS.
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040103689A1 (en) * 1998-12-31 2004-06-03 Chia Meang K. Decorative jewelry article

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040103689A1 (en) * 1998-12-31 2004-06-03 Chia Meang K. Decorative jewelry article

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