US715360A

US715360A - Paper-bag machine.

Info

Publication number: US715360A
Application number: US8129401A
Authority: US
Inventors: Charles E Dulin
Original assignee: UNION PAPER BAG MACHINE CO
Current assignee: UNION PAPER BAG MACHINE CO
Priority date: 1901-11-06
Filing date: 1901-11-06
Publication date: 1902-12-09
Anticipated expiration: 1919-12-09

Description

No. 745,360. Patented Dec. 9. i902.

C. E. DULIN.

PAPER BAG MACHINE.

' :Application filed Nov. 1901.;

(No Mmiel.) 5 Sheets-Sheet l.

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No. 7|5,360. Patented Dc. 9. 1902.

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PAPER BAG MACHINE.

(Avppeation Med Nov. 6, 1901.)

5 Sheets-Sheet 2.

(No Muriel.)-

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Patented Dec. 9, |902. C. E. DULIN.

PAPER BAG MACHlNE.

E'Application lefi Nov. G, i901.:

As sheets-sheet 3.

(No Model.)

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No. 715,360. lPatented Dec. 9. i902.

C. E. DUUN. PAPER BAG MACHINE.

All t nldNo 6 1901 5 Sheets-Sheet 4.

(No Model.)

` Patented De'c. 9.' |902.v Y c. E. nuLm. Y PAPER BAG MACHINE.

lApplication led Nov. 8, 1901.)

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CHARLES E. DULIN, OF, SANDYHILL, NEWr YORK, ASSIGNOR TO UNION PAPER BAG MACHINE COMPANY, OF PHILADELPHIA, PENNSYLVA- NIA, A CORPORATION OF PENNSYLVANIA.

PAPER-BAG MACHINE.

SPECIFICATION forming part of Letters Patent No. 715,360, dated December 9, 1902.

` Application filed November 6, 1901. Serial No. 81,294. No model.)

To allA whom t may concern:

Be it known that I,CHARLEsE.DULIN,a citizen of the United Statesof America, residing in Sandyhill, in Washington county, State of pose of facilitating the opening of such paper bags into square form.

The nature of my improvements will be best understood as described in connection with the drawings in which they are illustrated, and in which- Y Figure 1 is a plan view of my machine; Fig. 2, a side elevation with the driving gear-wheel removed; Fig. 3, a central sectional elevation taken on the line 3 3 of Fig. 1; Fig. 4., a cross-section through the formers and suction-boxes, taken as on the line 4. 4 of Fig. 1; Fig. 5, a cross-section through the formers and blast-pipes, taken as on the line 5 5 of Fig. 1; Fig. 6, a cross-section through the formers and coacting mechanism, taken on the line 6 6 of Fig. 1; Fig. '7, a cross-section through the formers and folding-plates, taken on the line 7 7 of Fig. 1; Fig. S, a cross-section through the rear end of the formers, taken on the line 8 8 of Fig. 1. Fig. 9 is a side View of the formel-s and reciprocating tuckingblades, illustrating particularly the action of the tucking-blade upon the bag. Fig. 10 is a similar view showing the blade in a more advanced position. Fig. 11 is a side View of the end of the bag at the time when the tuckerblade has completed its operation upon it; Fig. 12, a side elevation of the rear of the foi-mers, showing how they act to re-form the bellows fold. Fig. 18 is a side elevation of the tucker and tucker-lever and actuatingcam with the pivot of the lever shown in section. Fig. 14 is a bottom view of the upper former; Fig. 15, a side elevation thereof, Fig. 1b' showing also a side elevation of the presser-plate and plan view ofthe same. Fig. 17 is a cross-sectional View of the feed-rolls by means of which the bags are fed to my machine; Fig. 18, a cross-sectional view of the rolls at the end of the machine, showing particularly the way in which the bags are creased transversely in the inal operation. Fig. 19 is a plan View of the bag prior to its passage through the machine. edge view or side elevation of the bag; Fig. 21, a cross-sectional view on the line 21 21 of Fig. 19, Fig. 22 being a similar View with the omission of the lap. and corresponding with the sections of the bag shown inthe lig- Fig. 2O is an ures illustrating the machine, and Fig. 23 is a plan view of the completed bag.

. A indicates the frame of the machine; B, the driving gear-Wheel, through which power is communicated to the main shaft, (indicated at B'.) The shaft B has secured to it the beltdrum (indicated at B3) and a gear-wheel B2, by which motion is communicated to the gear-wheel C on the lower shaft C', which shaft has secured to it the belt-drum C3 and also a gear-wheel C2, which through an intermediate wheel c2 drives a gear-wheel D, secured to the shaft D', on which in turn is secured the lower feed-roll D2. The gearwheel D' engages and drives the gear E of the upper shaft E', to which is secured the upper feed-roll E2, said feed-roll being preferably grooved, as indicated, and having a projecting cross-bar, (indicated at E3.) To the end of the shaft C' is secured a bevel-gear C4, which engages and drives a bevel-gear F on a longitudinal shaft F', having another gearwheel F2 at its rear end by which it communicates motion to the gear G, secured to the shaft G'. The shaft F' has also secured to it a cam, (indicated at F3.) The shaft G' has secured to it the lower belt-drum G5 and on the end opposite to that to which is secured the gear G a second bevel-gear G2, communieating motion through a bevel-gear K toa shaft K', having secured to it in turn a cam K3, corresponding to the cam F3. Through a gear-wheel G3, also secured to the shaft G', motion is communicated to the gear-wheel H, secured on the shaft H' and to which is secured the upper rear belt-drum H5. Another gearwheel G4, secured on the shaft G', drives, through the intermediate wheel g4, the gear- TOO wheel I, secured to the shaft I', which shaft has secured to it the creasing-roller I2 and the second gear-wheel, (indicated at 13,) by which motion is communicated to the gear-wheel J on the upper shaft J, to which shaft in turn is secured the creasing-blade J2. secured around but not to the shaft I.

L and L are carrier-belts, the upper one eX- tending over the rolls B3 and H5 and the lower one extending over the rolls C3 and G3.

M M are guides situated between the feedrolls E2 D2 and the belt-drums B3 C3.

N and n are the formers, having substantially similar oppositely turned faces and formed with central grooves (indicated at N n') of the breadth of the belts L L, which breadth is the same as that of the central portion of the bags to be treated-that is, the portion lying between the bellows-folded sides. At their front ends the formers are preferably formed with slightly opened lips, as best shown in Fig. 2, and with their sides Haring gradually backward, as indicated at N2 n.2, until they merge into parallel vertical portions, (indicated at N3 '1L3,) these vertical portions of the sides again merging into curved portions N4 n4, which at or about the points indicated at N3 n3 the extreme rear end of the formers extend horizontally, lyingin parallel planes.

N6 n are perforations formed through the portions N n of the formers for purposes to be hereinafter described. The faces of the front curved portions of the formers are connected by means of perforations N7 with suction-boxes, (indicated at N3'n3,) P and p indicating the air suction-pipes leading to a suction-fan. (Not shown.)

O and 0 are thin metallic presser-plates fitted in the central grooves N n of the formers and having, as shown, vertically-extending posts O 0', which extend through one or more of the perforations N3. The plates are pressed together by the action of springs (indicated at O2 o2) Working through the openings N6 n and suitably held in the formers, as is well shown, for instance, in Fig. b. g

P and P are blast-pipes connected with a blast-fan (not shown) and. having their nozzles P2 P2 directed into the opening between the diverging front sides of the formers, as is indicated in Fig. 5.

It will be observed that the belts L L work through the grooves N n between the plates O o, which act to press the faces of the belts together.

Q Q are presser-plates situated parallel to and in close proximity to the vertical side walls N3 n.3 of the formers. These presserplates are secured, as shown, to adjustable standards, (indicated at Q.)

R R are tucker-blades secured on the long ends R of pivoted levers R R2, R3 indicating the pivot and r2 cam-rolls secured on the arm R2 and resting against the cams K3 and F3, R4 RAL indicating springs which hold the camrolls in contact with the cams. The position I4 is a cam of the levers and the construction of the cam are such that the tucker-blades R are given oscillatory movement, which carries their triangular points into the partially-opened bellows folds of the bags near the bottom of the bags, the tuckers moving forward and acting to distend the corners until they pass between the presser-plates Q and the vertical sides N3 of the for-mers, after which the tuckers are withdrawn in position to act upon the succeeding bag.

S S are folding-plates extending from the plane sides N3 'n3 of the formers between the converging sides N4 n4, as is well shown in Fig. l.

Returning to the creasing device at the end of the machine lthe creasing-roll I2 is formed with a longitudinal cavity, in which is set the creasing-block T, having formed in it a cavity T2 and a bearing at the base of the cavity, (indicated at T.) In this bearing is situated the longitudinal shaft U, having secured to it the lever-arm U', which by means of a cam-roller rests in contact with the cam I4, a spring U2 holding the roller in contact with the cam.

` U3 is a creasing-blade secured to the shaft U and extending up into the creasing-cavity T2.

V, Figs. 19 and 20, indicates the completed bag as it is fed to the machine, V V' indicating the bellows folds, V2 the cross-folded bottom, V3 V3 the outer corners of the folded bag, and V4 V4 the points or cor-ners where the bellows fold V intersects the bottom of the bag.

In Fig. 23 the bag is represented in the condition in whichv it leaves the machine, the corners V3 being folded inward into contact with the bellows fold V and the new folds (indicated atV5) formed. Also by preference a cross-fold V3 is formed across the bag.

In operation the blanks are fed to the machine through the feed-rolls E2 D2, the crossbar E3enabling the feeding operative to bring the abutted end of each bag against this cross-bar, so that it will be fed to the machine in exact relationship with the movement of the different mechanical parts, or of course any other feeding device having the same function may be employed. Passing across the guides M the bag is passed between the drums B3 O3 into the bite of the belts L L', which carry it between the formers N n. As the bags pass between the front diverging sides of the formers their bellows folds are sucked out, as indicated in Fig. 4, this action being facilitated and increased by the action of the blast-nozzles P2, acting also to press the bellows folds of the bags out against the gradually-diverging sides of the formers, so that when lthe bag approaches the vertical walls U3 of the formers its sides will be sufciently distended to enable the triangular tuckers R when they sweep forward to pass between the distended folds, gradually increasing their distention, as indicated in Figs.

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Y tracted after they have pressed the corners of the blank beneath the presser-plates and the bag moving forward passes between the folder-plates S S and between the converging sides N4 n4 of the folders, which press the bellows folds back to the original position over the folder-plates S, as is indicated in Fig. 7, the bags passing from the rear ends of the formers with their corners tucked in, as indicated in Fig. 23, but otherwise in the same condition in which they are fed to the formers. The refolded bags are passed from between the drums H5 G5 over the top of the creaser-roll l2, and, as is shown in Fig. 18, the creasing-blade J2 presses the paper of the bag down into the cavity T2, formed in the block T, set across the face of the roll l2 and between the wall of said cavity and the pinching-plate U2, which, by means of its shaft U and lever-arm U', is actuated at the proper time by the cam Ii. This forms the transverse crease V6, (shown in Fig. 23,) said crease facilitating the opening of the bag on proper lines.

Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. In a machine for tucking in the corners of a bellows-folded bag, formers N, n having their sides curved from substantially horizontal to substantially vertical positions and again to substantially horizontal positions and their front curved sides perforated and connected to suction-boxes, in combination I with blast-pipes P2 P2 directed between the front curved ends of said formers, means for feeding bellows-folded blanks betweenthe formers, means for pressing down the corners of the bag on the Avertical sides of the formers and tuckers over which the sides of the bag are folded by the rear curved portions of the formers.

2. In a machine for tucking in the corners of a bellows-folded bag, formers N, n, having their sides curved from substantially horizontal to substantially vertical positions and again to substantially horizontal and their front curved sides perforated and connected to suction-boxes, in combination with blastpipes P2 P2 directed between the front curved ends of said formers, means for feeding bellows folded blanks between the formers, means for pressing `down the corners of the bag on the vertical sides of the formel-s, tuckers over which the sides of the bag are folded by the rear curved portions of the formers, and a creaser acting to crease the bag transversely after it has passed from between the for-mers.

3. In a machine for tucking in the corners of a bellows-folded bag, formers N n, having their sides curved from substantially hori- Zontal to substantially vertical positions and again to substantially horizontal, means for feeding bellows folded bags between said formers, means acting on the sides of the bags to open their tucks as they pass between the front curved sides of the formers, reciprocating tucker-blades R R acting to engage the partially-opened tucks at their bottom corners and move forward with the bag over the vertical sides of the formers, tucker-plates Q Q, secured close to the vertical sides of the formers and between which and the formers the ends of the lsucker-blades R R pass at the end of the forward sweep, and Atucker-plates extending from near the plates Q between the rear curved sides of the formers over which the bellows folds are refolded.

4. In. a machine for tucking in the corners of a bellows-folded bag, formers N, n having their sides curved from substantially horizontal to substantially vertical positions and again to substantially horizontal and their front curved sides perforated and connected to suction-boxes, in combination with blastpipes P2 P2 directed between the front curved ends of said formers, means foi1 feeding bellows-folded blanks between the formers, reciprocating tncker-blades R R acting to engage the partially-opened tucks at their bottom corners and move forward with the bag over the vertical sides of the forniers, tuckerplates Q Q secured close to the vertical sides of the formers and between which and the formers the ends of the tucker-blades R R pass at the end of their forward sweep, and tucker-plates extending from near the plates Q between the rear curved sides of the formers over which the bellows folds are refolded.

5. ln a machine fr tucking in the corners of a bellows-folded bag, the combination of the curved formers N, n, having central grooves N, n', of presser-plates O, o, situated in said grooves and pressed Atogether by springs and belts L L' moving in the grooves N n and pressed together by said plates 0 o.

GHAS. E. DULIN.

Witnesses:

` A. C. GETTEN,

FRED E. EARLE.

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