US1275788A - Window-envelop machine. - Google Patents

Window-envelop machine. Download PDF

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Publication number
US1275788A
US1275788A US18096117A US18096117A US1275788A US 1275788 A US1275788 A US 1275788A US 18096117 A US18096117 A US 18096117A US 18096117 A US18096117 A US 18096117A US 1275788 A US1275788 A US 1275788A
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Prior art keywords
envelop
window
patch
web
machine
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US18096117A
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George W Swift Jr
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George W Swift Jr
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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
    • B31B70/74Auxiliary operations
    • B31B70/81Forming or attaching accessories, e.g. opening devices, closures or tear strings
    • B31B70/82Forming or attaching windows
    • B31B70/826Forming or attaching windows involving applying window patches
    • 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
    • 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
    • B31B2150/00Flexible containers made from sheets or blanks, e.g. from flattened tubes
    • 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
    • B31B2160/00Shape of flexible containers
    • B31B2160/10Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • 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
    • B31B2160/00Shape of flexible containers
    • B31B2160/10Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents
    • B31B2160/106Shape of flexible containers rectangular and flat, i.e. without structural provision for thickness of contents obtained from sheets cut from larger sheets or webs before finishing the bag forming operations
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/12Surface bonding means and/or assembly means with cutting, punching, piercing, severing or tearing
    • Y10T156/1304Means making hole or aperture in part to be laminated
    • Y10T156/1309Means making hole or aperture in part to be laminated and securing separate part over hole or aperture

Description

G. W. SWIFT, 1n.
WINDOW ENVELOP MACHINE. APPLICATION FILED JULY 11. 19w.
rsnszfs-suan a.
lmwmor I Patented Aug. 13, 1918.
G. W. SWIFT, JR.
WINDOW ENVELOP MACHINE.
APPLICATION FILED JULY 17. I9I7.
Patented Aug. 13, 1918.
ISHEETSSHEET 2.
Iwwmor I r Geozye W 51/1/6355, J14, qfyg z w W w W G. W. SWIFT, JR. wmnow ENVELOP MACHINE. APPLICATION FILED JULY 17. l9l7.
. 1,27 5,788. Patented Aug. 13, 1918.
7 SHEETS-SHEET 3. 1 161112 FIG? J2:
G. W. SWIFT, JR.
WINDOW ENVELOP MACHINE.
APPLICATION FILED JULY 17. I917.
1,275,788. Patented .13,191s.
7 SH SHEET 4.
hmowfo'r (freoiye MW J11,
mvm ss,
G. W. SWIFT, JR.
WINDOW ENVELOP MACHINE.
APPLICATION FILED JULY I7. 1917.
Patented Aug. 13, 1918.
7 SHEETS-SHEET 5.
Imam tor MWM . SWIFT, JR.
NVELOP MACHINE.
AP L FILED .IULYII. 1917.
v 4H J 5w FIG M HG M lwoewtom Gemye Mf'wyda;
G. W. SWIFT, JR.
WINDOW ENVELOP MACHINE.
APPLICATION FILED JULY I7. 1917.
1,275,788. Patented Aug. 13, 1918.
7SHEETS-SHEET 2.
Imawtm George MK 6 1 1 J11,
WINDOW-ENVELOP MACHHVIE.
Specification of Letters Patent. "Patrgntrgdl Aug. I3, llwll Application filed July 17, 1917. serial No. 1%,961.
To all whom it may concern:
Be it known that I, GEORGE W. SWIFT, J r., of Bordentown, in the county of Burlington and State of New Jersey, have invented certain new and useful Improvements in Window-Envelop Machines, whereof the followiug is a specification, reference being had to the accompanying drawings.
My invention relates to a window envelop machine in which the envelop patch is initially applied to the envelop web at a point other than the region of the window opening. It is thus possible to defer the cutting of the window openings from the envelop web until after the window patches have been brought into accurately spaced relationship with said web. In this way the motion ofthe envelop web and of the patch web may be 'more accurately synchronized and the relation of the patches of the envelop more exactly determined, owing to the fact that an unperforatedv envelop web travels more truly than a perforated web which is apt to be unsteady because of the capacity for stretching which is imparted to a web by perforating it with large window apertures.
By the operation of my machine after the the window aperture and secured thereto.
A further improvement afl'orded by mymachine is the employment of a temporary adhesive for holding the patch in properre lation to the envelop web. A permanent adhesive is subsequently applied either to the patch or to the web in the region of the window. The folding of the envelo material brings the patch into proper re ationship to the window aperture to which it issecured by the permanent adhesive at which time the temporary adhesive having served its purpose, ceasesto be efl'ective.
The plan is, however, not essential to my machine since in the operation of the apparatus, as I have disclosed it in the drawurge, the window patch may be permanently secured to the unperforated envelop material in the position shown in the drawings, and
be subsequently folded back and permanently secured to the region of the window.
for-ms.
Fig. II, is a side elevation on an enlarged scale of the patch applying and gumming mechanism.
Fig. III, illustrates the initial patch gumming rollers.
F1 IV, is a longitudinal'section of the patc gumming and applying mechanism.
Fig, V represents the window aperture cutting dies.
Fig. VI, is a longitudinal section showing the severing means and the envelop forming means.
Figs. VII, VIII, IX, and X, show respectively the second gumming rollers, the feed rollers follow the second gumming rollers, the severing knives, and the tail trimming knives.
Figs. XI, XII, XIV, and XV, are detail views to aid in understanding the operation of the envelop forming mechanism.
XIII, is a perspective view showing the operation of the creaser roll.
Fig. XVI, is a plan view of the envelop web showing successive stages of envelop formation.
. Fig. XVII, illustrates an unfolded but otherwise completed envelop.
Fig. XVIII, is a sectional view of' the folded envelop illustrating the points of adhesion of the .Window patch.
Referring to Fig. I, the roll of envelop material 1, is continuously fed between the feed rollers 2, 2, which, with the other rollers hereinafter referred to, are driven by the countershaft 3.
After-passing between the feed rollers, 2, Q, theenvelop web is advanced between the walls of a creasing device 4, by which its sides receive the longitudinal creases 5, (see Fig. XVI), which facilitate the ultimate turning down of the side flaps. 'Ihe crease 5, having been applied longitudinally near the edge of the web, but the entire web still running flat, it is passed between the edge cutting rollers 6, 6, by which portions of the edges are cut away, leaving the edge flaps 7, 7, as shown in Fig. XVI.
v 55 is imparted by the lever 3 the free end of r The envelop web is next advanced through the patch gumming and applying .mechanism, which is shown on an enlarged scale in Figs. II, and IV. By this mechanism,
'rollers 11, and 12, the latter of which is provided at intervals around its periphery with applying or printing strips 13, the e d g e s of which are kept properly supplied with gum, by contact with the gumming roller 14, partially submerged 1n the gum receptacle 15. The intermittent mot on of the patch web is occasioned by the m- .termittent rotation of the rollers 11, and 12, which is accomplished as follows :The
rollers are geared together and the roller 11,
carries the ratchet 16, which is driven by a pawl 17, pivoted to a wrist plate 18, swung by a pawling lever 19, the end of which-1s pivoted to the lever arm 20, rotating on the shaft 21, which is driven by appropriate gearing from the main shaft. Y After passing between. the rollers 11, and 12, and receiving transverse impressions of gum, from the roller 12, (which is more fully illustrated in Fig. III), the patch web is drawn beneath the tension gulde roller 22, which rotates between arms 23, pivoted at 24,. and held under the tension by the coiled springs 25. This guide'roll 22, presses upon the patch web, only at the surface of projecting collars .which coincide with the breaks in the gum impressions corresponding to the breaks of the in Fig. III.
The patch web properly gummed and intermittently advanced as has been described, is severed to form" individual patches, by the shearin knives 30, and 31, of which the former is xed, while the. latter is attached to a vertically reciprocating carrier 32. This carrier runsin suitable vertical slideways, and is reciprocated by means of alink"33, which connects it with the arm 34, set upon a rock shaft 35, to which a rocking motion which carries a roller 37, ac uated by a cam 38,'mounted on a shaft 39. By the vertical reciprocation of the carrier 32, each successive patch is severed from the'patch roller, and carried upward by the knife blade 31', and applied to the lower side of the advancing envelop web. To assist in this application, a roller 40, hearing a pressure face 41, rotates above the envelop web. in opposition printing strips shown I to the movable knife blade 31, supporting the envelop web a ainst the pressure of said movable blade, which thus causes each patch, after it has been cut from the patch web, to adhere to the envelop web, by means of the gum strip which has been applied to it. The roller 40, is driven by pinions from the shaft 39, as shown in Fig.'II.
Thereafter, the envelop web carrying u on its under surface a succession of patc es, passes between feed rollers 42, and 43, (Fig. I) and then between rotatin window cutting dies 44, and 45, more f illy shown in Fig. V, whereby the-envelop web is perforated for the formation of the window apertures.
the rollers 47, and 48, whereby gum is impressed upon the side of the patch which is ultimately to be folded against the region of the window apertures, and also upon the edge flaps. The positions of these gum applications are indicated toward the right hand of Fig. XVI, and the contour of the gumming roller 48, is indicated in Fig. VII.
From this 'point the envelo unsevered, is passed vertically etween the feed rollers 50, 51, which are shown in detail in Fig. VIII, and which are so shaped as to avoid contact with gummcd parts of the web; and thence between theshearing dies 52, and 53, shown in an enlarged scale Fig. IX, whereby the web is subdivided into separate envelop blanks, and thence to the tail trimmers 54, and 55, shown on an enlarged scale in Fig. X, whereby thetails or lower corners of the envelop blank are cut away, leaving a completed blank as shown in Fig. XVII, in Whichfigure the dotted lines indicate the removed tails.
From this point the envelop blanks pass in succession into the control of the creaser and carrier roll 60. This contains transverse notches 61, 61, for forming the bottom fold of the envelop, and transverse notches 62, 62, for forming the flap fold of the envelop. Each of thete notches contains a yielding pressure edge 63. A rotary folder 64, carries a yielding straight edge 65. As the envelop blank passes between this and the creaser roll, it is ,folded and driven into the notch 61, along the line which is to form the bottom of the envelop, which is there held by the pressure edge 63. Thus held the rotation of the creaser roll carries the envelop blank through the folder 66, and thence in proximity to the roll 70, which carries a straight edge 71, which acts in conjunction with the flap creasing notch 62, to effect formation of the crease for the flap. The roll 70, also carries a gumming surface 72, rotating in contact with thet gum web, still newt/ea at roll 73 by which the'flapgum is imprinted upon the margin of the flap of the envelop.
By the co-action of the parts thus de scribed, the envelop blank is completely a folded to form the front and back-of the It in its proper ultimate relationship to the window aperture. As the envelop passes between the creaser roll '60, and the roll 70, suflicient pressure is exerted to cause the window patch to adhere firmly around the region of the window by means of the gum imprint which has already been applied.
As a result the window patch will adhere .to the interior of the envelop in a way clearly represented in Fig. XVIII, where an 76, represents the line of adhesion, due to the original strip of gum imprinted upon the patch by the gumming roll 12, Fig. III, while 77, 77, represent lines of adhesion due to the gum imprinted by the gum roll 48.
The latter being in immediate proximity to the edges of the window, is necessarily a permanent adhesive, but the adhesion along the line 76, is sufficiently accomplished by the use of a temporary adhesive, such as a an very dilute rice paste.
It is obvious that by different adjustments, the original line of adhesion 76, between the window patch and the envelop web may be located elsewhere, and may require for $5 the proper use of the envelop that this originaladhesion cease when the envelop is put into use. In this case, a temporary adhesive must be used. 1
During the creasing operation which has 4W been described as taking place as a result of the action of the creaser roll 60, there has simultaneously proceeded a folding over of the side flaps of the envelop. This is accomplished by the ears 80, and 81, on
at said roll 60. Accordingly, the completed envelop, needing only the drying of the flap gum, is carried by therotatign of the creaser roll into position to be dropped upon the fingers 82. Ihe cam surface 83, actuates an the straight edge within the notch 62, to
take part in the formation of the flap crease, while the cam surface 84, actuates the straight edge in the notch 62, to edect the release of the envelop when it is to be alta lowed to fall upon the fingers 82.
From this point the envelop passes between rolls 85, 86, and is from thence de,
livered to clips 87, of an endless carrier 88, by which the envelops are carried to permit to the drying of the gum upon the flap before they are discharged for packaging. The
latter operations have been meagerly described, ecause they are already well-known in this art.
t It will be understood that it is characteristic of my device that the window patch is initially applied tothe running envelop material at a'point-other than the region of v .brought into proper relation to the window to accomplish its permanent adherence thereabout.
Having-thus described my invention, I
claim:
I. In a window envelop machine, the com bination of means for applying window patches to running envelop material at successive intervals; means for subsequently cutting apertures in the envelop material; means for supplying adhesive for permanent attachment of the window patch in the region of the apertures; and means for folding the envelop material, whereby during the formation of the envelop the patch is brought into proper registration with the aperture.
2. In a window envelop machine, the combination of means for applying window patches to runningenvelop material at successive intervals; means for subsequently cutting apertures in the envelop material; means for severing the patched-and apertured envelop material into envelop blanks; and means for folding said envelop blanks whereby during the process of envelop formation, the patch is brought into proper registration with the window aperture.
3. In a window envelop machine, the combination of means for applying patches at successive intervals to running envelop material; means for cutting apertures in the envelop material in a region removed from that upon which the patch was applied; means for supplying adhesive for permanent attachment of each patch; and means for changing the position of the patch, whereby it is brought into proper registration with the aperture, and adherence around the edges thereof. 4:. In a window envelop machine, the combination ofmeans for continuously advancing envelop materlal; means for applymg means for applying adhesive to the envelop material in the regionof each window opening; means for thereafter severing the patched apertured and gummed materlal into envelop blanks; and means for folding ltd said envelop blanks, whereby during the for- ,mation of the envelop the patch is brought into proper registration with the window aperture.
5. A device for supplying patches to and cutting apertures in an advancing envelop web, comprising means forapplying a strip of adhesive near the rear edge of-each patch;
means for causing said patches to adhere by that edge to the envelop web; a d means for cutting apertures'in said patch d web, each one somewhat to the rear of the adhesive edge of each patch.
' 6. In awindoW envelop machine, the com bination of a device for supplying patches to and cutting apertures in an advancing en- 7. In a window envelop machine, the
combination of means for applying patches to running'envelop material at successive intervals by means of a temporary adhesive; means for cutting apertures in the envelop material; means for supplying permanent adhesive for attachment of the patch in the region of the aperture; and means whereby the patch is transferred intoproper regis- I tration with the aperture, and permanent adhesion thereabout.
8. In a window envelop machine, the combination of means for applying patches to a running envelop web and cutting apertures therein, so that each aperture has a patch adhering to the web a short distance from each aperture by the ed e nearest said aper ture, the remainder of t 1e patch being free; means forsupplying adhesive in the region surrounding the aperture; and means for folding the patch back along a line parallel to its original adherent edge, so as to cause the body of the patch to overlie the aperture and adhere to the surrounding region.
9. In a window envelop machine, the combination of means for applying a temporary adhesive to a patch web, subdividing the same into patches, and applying the atches to a running envelop we means or-cutting apertures in said envelop web andfor applying permanent adhesive around the region of said apertures; and meansfor subdividing the envelop web. into envelop blanks and folding the same into envelops, whereby during the process of envelop formation, the patch is transferred into position to permanently adhere to the region of the aperture.
In testimony whereof, I have hereunto signed my name at Philadelphia, Pennsylvania, this thirteenth day July, 1917.
GEORGE W. SWIFT, JR. Witnesses:
JAMES H. Bail, E. L. Fumlaii'rou.
US18096117A 1917-07-17 1917-07-17 Window-envelop machine. Expired - Lifetime US1275788A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2761360A (en) * 1953-06-19 1956-09-04 Pearce Dev Company Method of and apparatus for making window envelopes
US2790593A (en) * 1953-04-29 1957-04-30 Uarco Inc Series-connected envelopes
US3894905A (en) * 1970-04-18 1975-07-15 Winkler Duennebier Kg Masch Machine for making addressed and filled envelopes in a single operation
US20180362235A1 (en) * 2017-06-20 2018-12-20 Shanghai ZhouTai Light Industry Machinery Manufacturing Co., Ltd Packaging bag, apparatus and method for manufacturing film material of the packaging bag, and method of manufacturing the packaging bag

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2790593A (en) * 1953-04-29 1957-04-30 Uarco Inc Series-connected envelopes
US2761360A (en) * 1953-06-19 1956-09-04 Pearce Dev Company Method of and apparatus for making window envelopes
US3894905A (en) * 1970-04-18 1975-07-15 Winkler Duennebier Kg Masch Machine for making addressed and filled envelopes in a single operation
US20180362235A1 (en) * 2017-06-20 2018-12-20 Shanghai ZhouTai Light Industry Machinery Manufacturing Co., Ltd Packaging bag, apparatus and method for manufacturing film material of the packaging bag, and method of manufacturing the packaging bag
US10640272B2 (en) * 2017-06-20 2020-05-05 Shanghai Zhoutai Light Industry Machinery Manufacturing., Ltd Packaging bag, apparatus and method for manufacturing film material of the packaging bag, and method of manufacturing the packaging bag

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