US432742A - Paper-bag machinery - Google Patents
Paper-bag machinery Download PDFInfo
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- US432742A US432742A US432742DA US432742A US 432742 A US432742 A US 432742A US 432742D A US432742D A US 432742DA US 432742 A US432742 A US 432742A
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- Prior art keywords
- plate
- bag
- paper
- roll
- folding
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- 238000005520 cutting process Methods 0.000 description 8
- 229940119258 Tucks Drugs 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 210000000088 Lip Anatomy 0.000 description 2
- 210000001138 Tears Anatomy 0.000 description 2
- 230000000875 corresponding Effects 0.000 description 2
- 238000009963 fulling Methods 0.000 description 2
- 230000036633 rest Effects 0.000 description 2
- 230000000717 retained Effects 0.000 description 2
- 230000000630 rising Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000037303 wrinkles Effects 0.000 description 2
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
- B31B70/26—Folding sheets, blanks or webs
- B31B70/262—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement
- B31B70/266—Folding sheets, blanks or webs involving longitudinally folding, i.e. along a line parallel to the direction of movement involving gusset-forming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B70/00—Making flexible containers, e.g. envelopes or bags
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2150/00—Flexible containers made from sheets or blanks, e.g. from flattened tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING 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
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B2160/00—Shape of flexible containers
- B31B2160/10—Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
Definitions
- the object of my invention is to provide a machine for manufacturing what are known as square bags, or bags with bellows-fold sides; and the invention comprises certain improvements by which I am enabled to produce such bags much more rapidly than has heretofore been possible with the machines now employed.
- My invention includes improvements in the various parts of the apparatus. First, in folding devices for forming the bellows folds; second, in cutting devices for severing a partially-folded bag-blank from a continuous web of paper, and, third, in the pasting and folding devices for pasting and folding the bottom lap of the bag.
- the details of these improvements are fully set forth in the follow ing specification, and they all coact to produce, with rapidity and simplicity of operation, finished bags ready for packing and shipment.
- Figurel is a plan view of the mechanism for forming blank, the bottom-pasting devices being removed; Fig. 5, a vertical longitudinal section through the same, including the bottom-pasting devices; Fig. 6, a plan view showing the bottom-pasting devices and a bag-blank in different stages of completion; Fig. 7, a View of the bottom-pasting devices from the rear or delivery end of the machine; Fig. 8,a side elevation of the same; Fig. 9, a vertical longitudinal section of the same on a larger scale, and Fig. 10 a side elevation showing the cutting devices for severing the bag-blanks.
- A is the frame of this part of the machine; B, the roll of paper; B, a roll over which the paper passes as it is delivered to the folding devices, and x the web of paper.
- the central foldingplate 0 is mounted upon the bed-plate A by means of a central ridge 0 on the bed-plate, which lugs c on the under face of the folding-plate embrace, so as to permit the sliding of the plate end'wise, its movement toward the cutting devices being limited by a stop 0 at the end of the bed-plate.
- the end of the plate 0 toward the feed end of the machine is preferably narrower, it being tapered, as
- the side folders D D are pivoted at (Z on each side of the bed-plate, near the feed end of the machine, upon bolts which hold them slightly above the bed-plate, and their rear ends pass under the edges of the central plate C, the relative arrangement of the plates being clearly shown by the full and dotted lines in Fig. 1.
- They are adjustable upon their pivots in the following manner: Each has a curved slot d, of which the pivot d is the center, and the bed-plate A has coincident slots a.
- a bolt a passes through both slots, and between the bed-plate and the side folder it has a collar a which serves to hold the folder above the bed-plate.
- a nut 01 By means of a nut 01, on its lower end, beneath the bed-plate, it may be clamped in the bedplate slot in any desired position.
- a like nut d on its upper end serves to clamp the sidefolder D in any position to which it may be adj listed;
- the purpose of this arrangement is to permit the adjustment of the bolt a in such position in the bed-plate that the outerend or wall of the slot in the side-folder will be against the bolt a when the folder is in proper working position, where it may be clamped by its nut 61
- no careful readjustment is necessary, as each folder is merely moved back into position until it is checked by the bolt a, and is then clamped byits nut.
- central foldingplate 0 endwise movement of the central foldingplate 0 is also provided to give facility in threading the machine and permit the ready removal and substitution of different-sized plates when desired. It may be moved toward the feed end of the machine, and when the paper has been properly adjusted to the folder can be pushed back into the normal position, where it is retained by the draft of the paper.
- the inner corners of the folders toward the feed end of the machine are curled up, as at CF, to assist in forming the side plaits in the paper and avoid any undue strain upon it.
- the paper web passes up over the roller B, which is formed with a central enlargement B the width of the central foldingplate, that assists the behavior of the paper web as it passes over the central folder 0, and is tucked or plaited under each side thereof by the side folders I).
- rollers E preferably rubber faced, are mounted upon spring-arms E on the under side of the bed-plate and press upwardly through apertures in the bed-plate against the side flaps of the paper, pressing it against the under faces of the side folders. These rollers are set at an angle and tend to draw the web of paper outwardly, holding it taut and preventing wrinkles. In threading the machine it is desirable to throw them down out of operation, and this is accomplished by a rod E projecting. laterally from under the bed-plate and sliding endwise in bearings on the under face thereof.
- Figs. 4 and 5 and the side plaits are pressed fiat by two laterally-adjustable rubber-faced rolls F F, revolving by friction mounted upon a shaft and acting in conjunction with a driven bottom roll F.
- the rollers F F may be adjusted on their shaft, being secured by set-screws f, to suit different widths of bags, and for the same purposethe central folder 0 may be removed and replaced by a wider or narrower one, as before mentioned.
- From the rolls F F F the flat paper web formed with the parallel plaits .2 passes to the blank-severing devices seen in Figs. 1, 2, and 10. They consist of upper and lower rollers G G.
- the serrated knife g which is of a shapesimilar to that employed in the ordinary flat bag machine and cuts the edge of' the blank in such form as to leave a projecting lip w to form the bottom of the bag, is carried in' one of the rollers and projects therefrom at an angle of about forty-five degrees, the teeth of the knife pointing in the direction of rotation of the roll which carries it.
- the opposite roll G has a slot or recess g in its periphery corresponding in shape to the contour of the-edge of the knife and of a depth and width sufficient to permit edge of the slot 9, the surface of the roll G,
- I I represent the side frame-bars of this part of the machine, and I I horizontal side plates upon which sliding mechanism for folding the bottom of the bag and detaching it from the paste-roll travels.
- a standard K is mounted on each side bar I and supports the journals ,k of the rocking cradle K, in which the oscillating paste-box L is hung.
- -Arms K depend from the ends of the cradle and are planed out 011 their faces or socketed, as indicated by the dotted lines, to receive Vertical sliding arms M, whose lower ends are pivotally connected at m with vertical ears m on thehorizontal slides J J, Whose outer edges are recessed and embrace theinner edges of the horizontal plates 1, upon which they slide.
- the vertical transverse folding-plate N is fastened by its opposite ends to the lugs or ears m on the slides J J.
- a detaching-plate O for releasing the end of the bag from the pasteroller Z, and under which the bag passes, is pivoted to the slides J J at 0 o, and has two fingers 0 projecting in the direction of the travel of the bag.
- Springs 0 on the slides J J tend to throw this plate downwardly, so as to draw the bag-blank away from the paste roll, the downward movement of the plate being limited by stops 0 on the slides J J.
- the roll P is a driven roll mounted in suitable bearings beneath the paste-box.
- this roll in rotating imparts a swinging or oscillating motion to the paste-box cradle, which in turn gives motion to the sliding or telescopic connections K M, causing the reciprocation of the slides J J.
- the roll P is provided with a raised portion 19, that in each revolution of the roll and oscillation of the paste-box lifts a bagblank as against the paste-roll Z, and a transverse line of paste is printed upon the bag, as shown at Z, Fig. 6, to secure the lap or bottom flap 5c of the bag when it is folded down.
- the roll P in advance of the raised part 19, carries at its ends radially-projecting arms R, in which is mounted a rubber-faced roll r, coacting with the reciprocating folding-plate N to fold the bottom of the bag in the following manner:
- roll r is just rising to the level of the bed-plate, and the machine being so timed that enough of the tubular blank to form the bottom lap rests on the roll 0"
- the roll lifts the blank against the edge and rolls up the side, Fig. 9, of the folding-plate N, which is coming forward with the same speed, thus turning up the bottom end at of the bag at nearly right angles,Fig. 9.
- the raised part 1:) of the roller P lifts the bag and the detaching- ⁇ date O, and the paste roll Z prints a line of paste Z upon the bag, as heretofore described.
- the detaching-plate O throws the bag down out of contact with the paste-roll, and the bag advances between the rollers S S, into whose bite the edge of the bottom fold passes, and the bottom lap is pressed down and the bag completed.
- the slides J J and the paste-box have moved back to the left into position for operation upon the next bag.
- This arrangement enables me to produce bags very rapidly.
- the folding-plate N being held in the same upright position and reciprocating in a horizontal line, does not tear or injure the paper, as it is liable to do when it is attached to an oscillating pastebox which gives a rolling motion to its edge.
- paste-box cradle pivoted in the standards, the arms K depending from the cradle, the slides J J, and the vertical arms M, pivoted on the slides and working in sockets in the arms K 12.
- the combination substantially as set forth, with the blank-feeding devices and the reciprocating frame carrying the transverse bottom folding-plate and the oscillating pastebox, of the devices for pressing the blank against the pasting-roll and folding the bottom flap against the folding-plate.
Description
(Na Model.) 3 Sheets-Sheet 1. E. STANLEY.
PAPER BAG MACHINERY.
O 2 Q m 2 m J m. 1 d e m M H e "a 0 lu & P
M No. 432,742
me Nonms PEYERS cm, Pam-01mm, msumcrou, u, c
(h Io Model.) 3 Sheets-Sheet 2. E. STANLEY.
I PAPER BAG MACHINERY. N L 32,742. Patent-ed July 22,1890.
THE )mnms warms co., mum-mm) WABNINGYON, D Q
(No Model.) s Sheets-Sheet 3. E. STANLEY. PAPER BAG MACHINERY.
No. 432,742. Patented July 22, 1890'.
UNITED STATES PATENT OFFICE.
EDWARD STANLEY, OF BRIDGEPORT, PENNSYLVANIA.
PAPER-BAG MACH l N ERY.
SPECIFICATION forming part of Letters Patent No. 432,742, dated July 22, 1890.
' Application filed June 2'7, 1889. Serial No. 315,716. (No model.)
To all whom it may concern:
Be it known that I, EDWARD STANLEY, of Bridgeport, in the county of Montgomery, State of Pennsylvania, have invented certain new and useful Improvements in Paper-Bag Machinery, of which the following is a specification.
The object of my invention is to provide a machine for manufacturing what are known as square bags, or bags with bellows-fold sides; and the invention comprises certain improvements by which I am enabled to produce such bags much more rapidly than has heretofore been possible with the machines now employed.
My invention includes improvements in the various parts of the apparatus. First, in folding devices for forming the bellows folds; second, in cutting devices for severing a partially-folded bag-blank from a continuous web of paper, and, third, in the pasting and folding devices for pasting and folding the bottom lap of the bag. The details of these improvements are fully set forth in the follow ing specification, and they all coact to produce, with rapidity and simplicity of operation, finished bags ready for packing and shipment.
In my improved machine parallel plaits or folds, turned inward and then outward, are formed in each side of a continuous web of paper, which, when thus folded and while in a flat condition, is severed into baglengths, and is then further folded to complete the tubular formation of the bag in the same manner as in the manufacture of the ordinary flat bag. The bottom lap is then pasted and folded down in a manner analogous to that practiced in making the common flat bag, but by an improved mechanism, and the completed bag is then delivered from the machine. The general operation of making the parallel folds in a continuous web of paper, then cutting it on the flat, and then foldingthe fiat though partially-folded blank into tubular form, is believed to be new and to distinguish my machine from any heretofore made; and in carrying out this operation I prefer to conduct the web of paper over a central folding-plate, and,by means of side folders, to plait or tuck the paper under the edges of the central plate, then cut the bag-blank and fold over the central flat portion of the blank on lines parallel with the side p laits or tucks, to form the bellows folds and complete the tubular formation of the bag.
In the accompanying drawings, Figurel is a plan view of the mechanism for forming blank, the bottom-pasting devices being removed; Fig. 5, a vertical longitudinal section through the same, including the bottom-pasting devices; Fig. 6, a plan view showing the bottom-pasting devices and a bag-blank in different stages of completion; Fig. 7, a View of the bottom-pasting devices from the rear or delivery end of the machine; Fig. 8,a side elevation of the same; Fig. 9, a vertical longitudinal section of the same on a larger scale, and Fig. 10 a side elevation showing the cutting devices for severing the bag-blanks.
First as to the folding devices. A is the frame of this part of the machine; B, the roll of paper; B, a roll over which the paper passes as it is delivered to the folding devices, and x the web of paper. The central foldingplate 0 is mounted upon the bed-plate A by means of a central ridge 0 on the bed-plate, which lugs c on the under face of the folding-plate embrace, so as to permit the sliding of the plate end'wise, its movement toward the cutting devices being limited by a stop 0 at the end of the bed-plate. The end of the plate 0 toward the feed end of the machine is preferably narrower, it being tapered, as
shown by the lines 0 The side folders D D are pivoted at (Z on each side of the bed-plate, near the feed end of the machine, upon bolts which hold them slightly above the bed-plate, and their rear ends pass under the edges of the central plate C, the relative arrangement of the plates being clearly shown by the full and dotted lines in Fig. 1. They are adjustable upon their pivots in the following manner: Each has a curved slot d, of which the pivot d is the center, and the bed-plate A has coincident slots a. A bolt a passes through both slots, and between the bed-plate and the side folder it has a collar a which serves to hold the folder above the bed-plate. By means of a nut 01, on its lower end, beneath the bed-plate, it may be clamped in the bedplate slot in any desired position. A like nut d on its upper end serves to clamp the sidefolder D in any position to which it may be adj listed; The purpose of this arrangement is to permit the adjustment of the bolt a in such position in the bed-plate that the outerend or wall of the slot in the side-folder will be against the bolt a when the folder is in proper working position, where it may be clamped by its nut 61 When it is desired to move the folders outwardly, as in the threading of the machine, no careful readjustment is necessary, as each folder is merely moved back into position until it is checked by the bolt a, and is then clamped byits nut. The
endwise movement of the central foldingplate 0 is also provided to give facility in threading the machine and permit the ready removal and substitution of different-sized plates when desired. It may be moved toward the feed end of the machine, and when the paper has been properly adjusted to the folder can be pushed back into the normal position, where it is retained by the draft of the paper. The inner corners of the folders toward the feed end of the machine are curled up, as at CF, to assist in forming the side plaits in the paper and avoid any undue strain upon it. The paper web passes up over the roller B, which is formed with a central enlargement B the width of the central foldingplate, that assists the behavior of the paper web as it passes over the central folder 0, and is tucked or plaited under each side thereof by the side folders I). The side folds in the paper and the relation of the paper to the central and side folders are clearly shown in Fig. 3. Rolls E, preferably rubber faced, are mounted upon spring-arms E on the under side of the bed-plate and press upwardly through apertures in the bed-plate against the side flaps of the paper, pressing it against the under faces of the side folders. These rollers are set at an angle and tend to draw the web of paper outwardly, holding it taut and preventing wrinkles. In threading the machine it is desirable to throw them down out of operation, and this is accomplished by a rod E projecting. laterally from under the bed-plate and sliding endwise in bearings on the under face thereof. It carries two inclined projections or wedges e e, which, when the rod is thrust inwardly, throw the spring plates or arms E, by which the rollers are carried, downwardly. By this mechanism two parallel side plaits or tucks are formed in the continuous paper web-that is, the paper is plaited or folded inwardly and outwardly, as clearly seen in Fig.3, and by the broken edge of the paper web at the right-hand end of Fig. 1. In this condition it leaves the folders, one edge passing under a pasting-r0110,
Figs. 4 and 5, and the side plaits are pressed fiat by two laterally-adjustable rubber-faced rolls F F, revolving by friction mounted upon a shaft and acting in conjunction with a driven bottom roll F. The rollers F F may be adjusted on their shaft, being secured by set-screws f, to suit different widths of bags, and for the same purposethe central folder 0 may be removed and replaced by a wider or narrower one, as before mentioned. From the rolls F F the flat paper web formed with the parallel plaits .2 passes to the blank-severing devices seen in Figs. 1, 2, and 10. They consist of upper and lower rollers G G. The serrated knife g, which is of a shapesimilar to that employed in the ordinary flat bag machine and cuts the edge of' the blank in such form as to leave a projecting lip w to form the bottom of the bag, is carried in' one of the rollers and projects therefrom at an angle of about forty-five degrees, the teeth of the knife pointing in the direction of rotation of the roll which carries it. The opposite roll G has a slot or recess g in its periphery corresponding in shape to the contour of the-edge of the knife and of a depth and width sufficient to permit edge of the slot 9, the surface of the roll G,
carrying the knife being flattened at g, where the knife is mounted to accommodate the plate g as the rollers revolve. The surfaces of the rolls turn nearly in contact with each other,
formation of the bag, the paper being folded upon the lines y y, Fig. 6that is, the two folds are made in the fiat central web of the blank in line with the inner edges of the side plaits, the side plaits being turned entirely over, as seen clearly in Fig. 6, thus forming a tubular bag-blank with bellows-fold sides. From the scrolls the blank passes under a. roll H to the bottom pasting and folding devices, shown in detail in Figs. 6, 7, 8, and 9 and constructed as follows:
I I represent the side frame-bars of this part of the machine, and I I horizontal side plates upon which sliding mechanism for folding the bottom of the bag and detaching it from the paste-roll travels. A standard K is mounted on each side bar I and supports the journals ,k of the rocking cradle K, in which the oscillating paste-box L is hung. -Arms K depend from the ends of the cradle and are planed out 011 their faces or socketed, as indicated by the dotted lines, to receive Vertical sliding arms M, whose lower ends are pivotally connected at m with vertical ears m on thehorizontal slides J J, Whose outer edges are recessed and embrace theinner edges of the horizontal plates 1, upon which they slide. The vertical transverse folding-plate N is fastened by its opposite ends to the lugs or ears m on the slides J J. A detaching-plate O for releasing the end of the bag from the pasteroller Z, and under which the bag passes, is pivoted to the slides J J at 0 o, and has two fingers 0 projecting in the direction of the travel of the bag. Springs 0 on the slides J J tend to throw this plate downwardly, so as to draw the bag-blank away from the paste roll, the downward movement of the plate being limited by stops 0 on the slides J J.
P is a driven roll mounted in suitable bearings beneath the paste-box. By means of crank and pitman connections q g g this roll in rotating imparts a swinging or oscillating motion to the paste-box cradle, which in turn gives motion to the sliding or telescopic connections K M, causing the reciprocation of the slides J J. The roll P is provided with a raised portion 19, that in each revolution of the roll and oscillation of the paste-box lifts a bagblank as against the paste-roll Z, and a transverse line of paste is printed upon the bag, as shown at Z, Fig. 6, to secure the lap or bottom flap 5c of the bag when it is folded down.
The roll P, in advance of the raised part 19, carries at its ends radially-projecting arms R, in which is mounted a rubber-faced roll r, coacting with the reciprocating folding-plate N to fold the bottom of the bag in the following manner: As the bag-blank so is by the belt H and roll H advanced under the detaching-plate 0, roll r is just rising to the level of the bed-plate, and the machine being so timed that enough of the tubular blank to form the bottom lap rests on the roll 0", the roll lifts the blank against the edge and rolls up the side, Fig. 9, of the folding-plate N, which is coming forward with the same speed, thus turning up the bottom end at of the bag at nearly right angles,Fig. 9. At this time the raised part 1:) of the roller P lifts the bag and the detaching-{date O, and the paste roll Z prints a line of paste Z upon the bag, as heretofore described. As the roll P continues its movement in the direction of the arrow, the raised part 19 and the folding-roller r descend, the detaching-plate O throws the bag down out of contact with the paste-roll, and the bag advances between the rollers S S, into whose bite the edge of the bottom fold passes, and the bottom lap is pressed down and the bag completed. In the meantime the slides J J and the paste-box have moved back to the left into position for operation upon the next bag. This arrangement enables me to produce bags very rapidly. The folding-plate N being held in the same upright position and reciprocating in a horizontal line, does not tear or injure the paper, as it is liable to do when it is attached to an oscillating pastebox which gives a rolling motion to its edge.
No claim is made herein to the method of folding and forming the bag, as such subjectmatter is claimed in another application filed by me June 27, 1889, and serially numbered 315,715.
I claim as my invention 1. The combination of the folding bedplate, the endwise-sliding central foldingplate movable backward from and forward to the normal working position, and the laterally-adj ustable side folder, substantially as set forth.
2. The combination, with the central folding-plate having an unobstructed upper surface over which the paper web passes, of the side folding plates under which the web passes, arranged one on each side of the cen tral plate and having their surfaces below the level of, but parallel with, the surface of the central folding-plate,- said side folding-plates acting upon the flat paper web between its center and edges on each side to tuck it under the edges of the central plate, thereby forming fiat parallel tucks in the flat web, a
roll for supplying the paper web, and mechanism for drawing the flat tucked web continuously forward over and from the central folding-plate, all substantially as and for the purpose set forth.
3. The combination, with a central foldingplate mounted by its under surface on the bed-plate, of paper rolls adapted to feed or deliver the paper over the upper surface of said plate, and laterally-adjustable side folders for folding or tucking the paper under the edges of said plate.
4:. The combination, substantially as set forth, of the bed-plate, the central endwise sliding removable folding plate mounted thereon, the laterally-adjustable side folders pivoted on the bed-plate, and clamping devices for holding the side folders in the positions to which they are adjusted.
5. The combination, substantially as set forth, of the bed-plate, the central and side ers work, and mechanism for throwing the rollers down out of action.
7. The combination, substantially as set forth, with the coincidently-slotted bed-plate and side folder, of the clamp-bolt passing through both slots, the collar or flange on the bolt between the bed-plate and folder, a olampnut on the underend of the bolt for clamping it in the bed-plate, and a clamp-nut on its upper end for clamping the side folder.
8. The combination, substantially as set forth, with the roll P, having the raised portion 1), and carrying the bottom folding-roll r, of the oscillating paste-box and reciprocating bottom folding-plate.
9. The combination, substantially as set forth, of the roll P, having the raised portion 10, the oscillating paste-box, the reciprocating sliding frame, and the detaching lever or plate 0, pivoted in the sliding frame.
10. The combination, substantially as set forth, with the oscillating paste-box, its roll and the reciprocating frame, of the pivoted detaching plate for throwing the paper down from the paste-roll, and the transverse upright folding-plate, both mounted on the reciprocating frame, a paper-elevating clevice for lifting the bag against the paste-roll, and a moving surface or roll, as 0", betweenwhich and the transverse plate the bottom lap of the bag is folded.
11. The combination, substantially as set forth, of the frame, the standards K K, the
paste-box cradle pivoted in the standards, the arms K depending from the cradle, the slides J J, and the vertical arms M, pivoted on the slides and working in sockets in the arms K 12. The combination, substantially as set forth, with the blank-feeding devices and the reciprocating frame carrying the transverse bottom folding-plate and the oscillating pastebox, of the devices for pressing the blank against the pasting-roll and folding the bottom flap against the folding-plate.
13. The combination, substantially as set forth, with the upright bottom folding-plate reciprocating in the direction of travel of the paper and transversely to its own length, of a folding-roller, as r, carried in bearings rotating about asupport below the reciprocating plate, the bearings of the roll being so related to said plate that during the operation of folding the bottom flaps the surface of the roll comes opposite the rear face of the plate.
14. The combination, substantially as set forth, with the oscillating paste-box, sliding frame, as J J, and transversely-arranged bottom folding-plate, of a roll or surface, as 7, moving in the direction of the folding-plate and coacting with it to fold the bottom of the bag.
15. The combination, substantially as set forth, with the transversely-arranged reciproeating folding-plate, of a roller, as 9", having an upward motion toward and behind and a forward motion with the folding-plate, and mechanism for feeding the bag-blank between the two, whereby the bottom lap of the bag is turned up by the roll against the side of the plate.
In testimony whereof I have hereunto subscribed my name.
EDVVARD STANLEY.
Witnesses:
EDW. HAUGH, GEO. W. BRYANT.
Publications (1)
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US432742A true US432742A (en) | 1890-07-22 |
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US432742D Expired - Lifetime US432742A (en) | Paper-bag machinery |
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US20060277439A1 (en) * | 2005-06-01 | 2006-12-07 | Microsoft Corporation | Code coverage test selection |
US7303708B2 (en) | 2004-04-19 | 2007-12-04 | Curt G. Joa, Inc. | Super absorbent distribution system design for homogeneous distribution throughout an absorbent core |
US7374627B2 (en) | 2004-04-19 | 2008-05-20 | Curt G. Joa, Inc. | Method of producing an ultrasonically bonded lap seam |
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