US1029893A - Paper bag. - Google Patents

Paper bag. Download PDF

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Publication number
US1029893A
US1029893A US58101010A US1910581010A US1029893A US 1029893 A US1029893 A US 1029893A US 58101010 A US58101010 A US 58101010A US 1910581010 A US1910581010 A US 1910581010A US 1029893 A US1029893 A US 1029893A
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United States
Prior art keywords
bag
bags
paper
plies
lining
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Expired - Lifetime
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US58101010A
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Charles B Sanders
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UNION PAPER BAG MACHINE CO
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UNION PAPER BAG MACHINE CO
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Priority to US58101010A priority Critical patent/US1029893A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D33/00Details of, or accessories for, sacks or bags
    • B65D33/005Anti-slip or anti-skid bags, e.g. bags provided with anti-slip coating, ribs, strips

Definitions

  • some of these bags are made with an-inner wall or lining of paper which has been-paraned'or otherwise made more or less waterproof von alr-proof, either to exclude the air,.or to coninethe flavor or' 'aroma of the goods to be packed in the bags,
  • the outer wall or cover is made either of paper, which is ornamental 1n deslgn or color, or which is Y ladapted to take ink or other' printing c olor.
  • bags of this p general type in a form which may-be more conveniently printed, folded,
  • the presentl invention is intended to make bundled, and4 subsequently ⁇ filled than has heretofore been possible, on account of the' ⁇ i arrangement and relation of the folds, seams and plies heretofore employed in this type of bag'.
  • Patentdl Jun@ i8, 19h2- I particularly those having bellows sldes and square bottoms, known as the S. 0. S, or
  • the inner body seam being 1preferably outer body seam being at or near theedge of and the i the blank. It is, however, desirable, to unite and interfold the plies which constitute the bottom of the bag, so as to make that bottom as strong as possible. It is also desir-- opened for filling, the lining will go with the paste 16, which unites the edges 14 and 15Y adjacent outer portion, thus fully opening the mouth end of the lining with certainty and rapidity.
  • the object of the present invention is to produce such a bag.
  • Figure 1 of the drawings is a side view of the bag of the present invention in its flattened form, some of the plies being drawn away and bent over to show more clearly their form and relation.
  • Fig. 2 is an edge view
  • Fig. 3 a sectional end view, showing bags like that of Fig. 1 in the reverse relation in which the are stacked, so as to bring the thickened side fold alternately on opposite sides of the pile or bundle, so that the latter will build up uniformly on its two sides and ends.
  • Fig. 4 is a side view of a portion of the bottom of a bag blank in its partly folded condition, illustrating the yrelation of the plies.
  • the outer bag 5 and the inner bag or lining 6 are folded one Within the other in fairly close conformity, although the plies, especially in Fig. 3, are shown to be somewhat separated as well as magnified in thickness, Vthis being for. the purpose of showing the two plies or thicknesses and their relation more clearly.
  • the opposite sides of both plies" of each bag are bent forwardly to form the side bellows folds 7, characteristic of this type of bag.
  • the body seam 8 of the outer bag or blank 5 is located as near as may be found practicable to one edge 9 of the folded body.
  • a por- .tion of the edge 10 of the upper and outer ply is shown to be turned back to show the edge 11 of the inner ply and the line or zone of paste 12.
  • the outer bag 5 and the inner bag or lining 6 are provided with separate independent tube or body seams, by means ofthe paste lines 12 and 16, respectively, thus leaving these body portions below the mouth of the bag free to slip relative to each other, as both are expanded by the filling operation.
  • the bottom forming plies of both bags are interfolded and pastedtogether, as shown in Fig.
  • a double paper bag with bellows sides and-a fiat bottom having separate body 'portions Idisposed one -within the other, and having separate single body seams, one of Vwhich is disposed at the approximate center ofthe width ⁇ of the bag, Vand the other ⁇ - of which is disposed adjacent to an edge of the bag, the ⁇ iaps which form the fiat bottom, of the bag consisting Aof the interfolded material oflthe inner and outer bags.
  • the flaps forming the flat bottomfof the bag being formed of the interfolded plies of the bag and its lining.

Description

C; BL SANDERS.
PAPER BAG. APPLIOATION FILED SEPT. a, 1910.
Patented June 18, 1912.
ffz'zfzzesses; u ffy CHARLES B. SANDERS, OIE' MONTGLIR, NEW JERSEY, ASSIGNUR. .TO UNION PAPER BAG MACHINE COMPANY, OF BHILADEIPHQIIA, PENNSYLVANIA, A CORPORATION or rENNsYLvANm A lnarnia Bae.
- To all whom t may lconcern Be it known that I, CHARLES B. SANDERS, a citizen of the United States, and resident of 'Montclair, in the county of 'Essexand Stateof New Jersey, -have invented certain new and useful Improvements in Paper Bags, of which the following is a full', clear,
' more important of which are to enable the inner and outer walls to be` of different strength, thickness, color or penetrability.
For example, some of these bags are made with an-inner wall or lining of paper which has been-paraned'or otherwise made more or less waterproof von alr-proof, either to exclude the air,.or to coninethe flavor or' 'aroma of the goods to be packed in the bags,
as for example in the case of tea or coffee, or'to prevent the' escape of ollyor more, or
less liquid constituents of goods contained y within the bag. lIn such cases, lespecially'v vwhere it' is desirable to print or ornament, -the outer 'sides of the bags', the outer wall or cover is made either of paper, which is ornamental 1n deslgn or color, or which is Y ladapted to take ink or other' printing c olor.
bags of this p general type in a form which may-be more conveniently printed, folded,
'The presentl invention is intended to make bundled, and4 subsequently` filled than has heretofore been possible, on account of the'` i arrangement and relation of the folds, seams and plies heretofore employed in this type of bag'.
The seams of the inner and outer body portions have generall been interfolded,
making v a single,` thic composite seam, which not only makes the'subse'quentprinti. ing of the bag more diliicult, but also makes which the ybags' are filled, it being `foundv the bags build up more unevenly injthickness when stacked in the bundles in .which they are commonly stored and transported. The composite seam lalso makes` the body portion of thebag stiier to handle when filling the bag, and also prevents free adjustment of the `walls o f the bag to the weight and displacement lof the material wlth preferable for ymany purposes to leave the inner wall or lining of 'thebody portion of at or near the'center of the-blau Application led September 8, 1910. Serial No. 581,010.
the bag entirely free from the outer portion,
so that either portion can slip, relative to the other at all portions of the body, thus combining their strength to best advantage, without weakening or hampering each other.
It is generally desirable to have the outer body seam as nearly invisible as possible, so as not to` detract from their external appearance., especially when finely colored or ornamented paper is employed, in casethe bags are to be printed. Moreover, in the latter case, it is desirable to have the outer visible seam as nearly ,as possible at oneedge of the. side or face of the bag, so as to` enable the 4bags to be printed on both faces. In cases where the paper is printed in the sheet or web, before being folded into bags, it is desirable thus to have the visible o'iter seam as nearly as possible in coincidence with the edge-of the bags in their folded form, lso as to avoid exposing `or 'making prominent any lack of register that may result from the folding operation. On the other hand; it is important also to adaptthese bags to be manufactured by modern rapid automatic paper bag making machines, with which itis found sufficiently diflicultto manufacture the ordinary single ply bags,
` Specification of Letters Patent. Patentdl Jun@ i8, 19h2- I particularly those having bellows sldes and square bottoms, known as the S. 0. S, or
improved square types. These machines .must operate very rapidly, in order to be commercially successful', and withsuch rapidity of operation it becomes importantto. have the paper tubes or blanks `sultably yfolded and-uniformly balanced in their re-1 sistance to the bottom folding operation.
side of the center of the width of the blank, this greater thickness offers greater resistance at that/side of the blank, tending to lack of uniformityor symmetry in the fold- Where the tube or body ,seams are all at one ing. Moreover, the tube or body seam, be`
ing freshly pasted,'is` more liable to be separated by the folding action when. thus placed at one side. Therefore, for theforegoing principal reasons, it is desirable in the case of a double or lined paper bag, es-
pecially those having the complex bellowssides and bottom folds alluded to, to make thev inner ando-liter body seams separate, and
at- Idifferentlongitudinal positions of the v blank,the inner body seam being 1preferably outer body seam being at or near theedge of and the i the blank. It is, however, desirable, to unite and interfold the plies which constitute the bottom of the bag, so as to make that bottom as strong as possible. It is also desir-- opened for filling, the lining will go with the paste 16, which unites the edges 14 and 15Y adjacent outer portion, thus fully opening the mouth end of the lining with certainty and rapidity.
The object of the present invention is to produce such a bag.
Figure 1 of the drawings is a side view of the bag of the present invention in its flattened form, some of the plies being drawn away and bent over to show more clearly their form and relation. Fig. 2 is an edge view, and Fig. 3 a sectional end view, showing bags like that of Fig. 1 in the reverse relation in which the are stacked, so as to bring the thickened side fold alternately on opposite sides of the pile or bundle, so that the latter will build up uniformly on its two sides and ends. Fig. 4 is a side view of a portion of the bottom of a bag blank in its partly folded condition, illustrating the yrelation of the plies.
In the embodiment shown in the drawings, the outer bag 5 and the inner bag or lining 6 are folded one Within the other in fairly close conformity, although the plies, especially in Fig. 3, are shown to be somewhat separated as well as magnified in thickness, Vthis being for. the purpose of showing the two plies or thicknesses and their relation more clearly. The opposite sides of both plies" of each bag are bent forwardly to form the side bellows folds 7, characteristic of this type of bag. The body seam 8 of the outer bag or blank 5 is located as near as may be found practicable to one edge 9 of the folded body. In Fig. 1, a por- .tion of the edge 10 of the upper and outer ply is shown to be turned back to show the edge 11 of the inner ply and the line or zone of paste 12. Similarly, a' portion of the upper edge 14 ofthe inner-'blank or bag 6 is turned back to show its associated opposite edge 15 and the line or zone of to form the body seam of the innerbag or lining 6. The spots of paste 18 are for the purpose of uniting the inner bag or lmmg with its outer bag orv cover at the mouth endof the bag. Thus the outer bag 5 and the inner bag or lining 6 are provided with separate independent tube or body seams, by means ofthe paste lines 12 and 16, respectively, thus leaving these body portions below the mouth of the bag free to slip relative to each other, as both are expanded by the filling operation. Although the body portions are thus left separate, with freedom for relative movement, the bottom forming plies of both bags are interfolded and pastedtogether, as shown in Fig. 4, so as to unite their strength in the formation of a tight and substantial bottom. In this View, various portions of the inner bag 'or lining 6 are turned back to show that they are folded together in substantial coincidence, being treated as a single ply in the bottom folding operation, and united by lines or zones 2O of paste. These double bags may be manufactured by dierent machines well-known in the 'art of making paper bags. A desirable method is to employ separate rolls of paper for the inner and outer bags, drawing them over a tube former, which plaits or folds the paper con-v tinuously into tubes one within the other,
with bellows sides, as shown in Fig. 3. The leading end of the tube is drawn by means of suitable drawing rolls into the bottom forming mechanism, which engages the blank either from the outside, in the side recesses of the bellows folds 7, or in another and well-known type of machine, by means of bottom folding fingers 22, which enter the front end ofthe mouth of the blank, and engage with the inner side of the tube at those portions thereof which are to become the turned-back corners 23 of the bag. In either case the blank is folded to the diamond form shown in Fig. 4. The bot-tom paste 20* is then applied, and the end flaps 24 and 25 of the diamond are lfolded in line with the corners 23 and 26,
outer ply of the end flaps 24 and 25, particularly of that flap which is folded upon the outside, so as to guard against leaving the outermost ply of the bottom loose in the completed bag. For this purpose, it is desirable to apply paste inspots 21, or any other convenient Way, between the inner and outer bags '5 and 6, adjacent to the outer edges of the ap, as shown in Fig. 4. This can generally be most conveniently done in connection with the tube forming operation, by devices similar to those which are employed for applying the paste 16 and 18. After the bags are thus completed and dried they are stacked together, as shown in Fig. 2, the alternate bags being reversed end for end,l without turning them 4lover. In this way the body seams 8 of the alternate bags are disposed at opposite sides of the accumulating pile, while the thicker folded bottom plies of .the alternate bags are brought to opposite ends of the pile, thus keeping the aggregate thicknesses uniform i in number on the opposite sidesand ends .of
. soribing the the plle.
The vterm loosely disposed i gisy herein' adopted for conveniencev and brevity in deloose or unfastened relation between the body portions of the inner and outer bags.
I claimas my -invention:-
1. A double paper bag with bellows sides and-a fiat bottom, having separate body 'portions Idisposed one -within the other, and having separate single body seams, one of Vwhich is disposed at the approximate center ofthe width` of the bag, Vand the other`- of which is disposed adjacent to an edge of the bag, the {iaps which form the fiat bottom, of the bag consisting Aof the interfolded material oflthe inner and outer bags.
- disposed adjacent 2. A lined paper -bag having the body pox"- tin of the lining loosely dlsposedwithn the outer bag, and independently pasted by scparate and independent body seams, one o Whichsis disposed at the approximate andthe other of which is center of the bag, l
'to the edge ofthev bag,
the flaps forming the flat bottomfof the bag being formed of the interfolded plies of the bag and its lining.
In testimony name to this specification in the presence of two subscribing witnesses, this l2nd day of September, 1910. j
- CHARLES B. SANDERS.
Witnesses:
ALLEN E. CsnoR, Y JAS. BoYD Poma.
whereof I have signed my I n.
US58101010A 1910-09-08 1910-09-08 Paper bag. Expired - Lifetime US1029893A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619277A (en) * 1948-12-13 1952-11-25 Harold F Shumann Multiply window bag
US4008850A (en) * 1962-01-29 1977-02-22 St. Regis Paper Company Gusseted pinch bottom bag

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2619277A (en) * 1948-12-13 1952-11-25 Harold F Shumann Multiply window bag
US4008850A (en) * 1962-01-29 1977-02-22 St. Regis Paper Company Gusseted pinch bottom bag

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