US2885141A

US2885141A - Container with trough feeding means and trough insert therefor

Info

Publication number: US2885141A
Application number: US598380A
Authority: US
Inventors: John J Goodrich
Original assignee: ST Regis Paper Co
Current assignee: ST Regis Paper Co
Priority date: 1956-07-17
Filing date: 1956-07-17
Publication date: 1959-05-05
Anticipated expiration: 1976-05-05

Description

May '5, 1959 J. J. GooDRlcH N 2,885,141

CONTAINER WITH TROUGH FEEDING MEANS AND TROUGH INSERT THEREFOR Filed July 17, 1956 5 Sheets-Sheet 1.

May 5, 1959 J. J. GooDRlcl-l CONTAINER WITH TROUGH EEEDING MEANS AND TROUGH INSERT THEREFOR Filed Julir 17, 1956 5 Sheets-Sheet 2 INVENTOR. LfoH/v .J GooD/a/CH. BY l @Af/MMM n @MMM May 5, 1959 J. J. GooDRlcH CONTAINER WITH TROUGH FEEDING MEANS AND TROUGH INSERT THEREFOR Filed July 17, 195e 5 Sheets-Sheet 5 ATTORNEKS.

May 5, 1959 J. J. GooDRlcH 2,885,141

CONTAINER WITH IRoUGH FEEDING MEANS AND IRoUGx-x INSERT THERFOR Filed July 17, 1956 5 Sheets-Sheet 4 r 1./u. o oooOoooooooooooooooocooooo00,-0.oooocoooow0..

'n INVENToR. JOHN J GOOD/WCM.v

ATTORNEYS.

May 5, 1959 1. J. GooDRlcl-l CONTAINER WITH TROUGH FEEDING MEANS AND THOUGH INSERT THERF'OR Filed July 17, 1956 5 Sheets-Sheet INVENTOR. JOHN J GooDE/CH.

A from/Erf. n

ICONTAINER WITH TRUGH FEEDING MEANS AND TROUGH INSERT THEREFOR 'John I. Goodrich, Pensacola, Fla., assignor to St. Regis Paper Company, New York, NX., fa corporation of New York Application July 17, 1956, SerialfNo. 598,380

14 Claims. (Cl. 229-466) This invention relates toa novel container, and more particularly to a feed container in the form of a paper bag or the like having feeding trough means located therein. Access to the feeding `trough is provided by one or a pair of tear-out panels in the sides "just above the lower end of the container. The present invention also relates to a'feed trough insert member for incorporation with the container. v

The present invention =provides 'a .simple method 'of Fdispensing grain or feed to chickens and the like directly from the shipping container. By using this invention it is not necessary to open lthe feed bag at 'the top, for example, and then fill individual feed troughs in "the chicken house or yard. Instead, the #bag is placed in upright position, aside panel is removed from the bag near its bottom, and the trough pulled outwardly `to 'open position. Feed ows kinto the open trough, and ythe bag provides areservoir v'forjgravity flow.

While the invention is applicable "to a vvar'ietysof containers from which panels may veasily .be torn, for example, paper board boxes, paper bags, etc., it will `'be described in connection with a Ymulti-wall gusseted sewnend bag, to which it is especially well'suited, and 'to which the collapsible feature of the insert construction is related.

In the drawings:

Fig. 1 is a plan view of atrough insert blank, .wherein solid lines indicate .slits and interrupted lines indicate crease lines;

Fig. 2 is a perspective ofthe insert blank illustrating the manner in which .it is .folded along .the 'longitudinal creases;

Fig. 3 is a perspectiveo'f aportion of one .end .of `the linsert in partially folded position;

Fig. 4 is a view similar to Fig. '3 withthe 'troughportion of the insert further folded, 'and `with v'the llaps .at the ends raised to illustrate the manner lin which these iiaps overlay portions of the insert; l

Fig. 5 is Va View similar to Fig. 4 with the 4flapsfo'lded down, illustrating .the .correct positioning of the aps to one another and to the remainder of the insert;

Fig. 6 is an elevation of the websfor a three-ply multiwall gusseted bag, illustrating inter-ply Lpaste patterns which may be used for the present invention;

Fig. 7 is `a perspective view of the ylower ends of .the Webs of Fig. .6, further illustrating therelationship of "the lblanks one to another andthe'inter-,ply paStepatternS;

"Fig 8 is an elevation .of vthebag vtube formed from the webs of Figs. 6 and 7., with portions of lthe '.lower end cut away;

Fig. 9 is a view similarto Fig. .S .ofthefsewn-,endgusset tubular multi-wall bag, illustrating .thepanel 'at the `lower end which is removable -to expose :the feeding trough means; Y

Fig. 10 .is a rear view ofthe lowerv end of the bag of Fig. V9;

Fig. 11 `is fa perspective illustrating the open `lower States p,niet

bag gusset.

hereinafter.

end of a tubular bag, and a completely folded feeder insert being placed therein;

Fig. 12 is a cut-away perspective of vthe lower end of an empty, folded bag with the feeder insert in .position, and also illustrating the paste patterns on upright sides of the insert;

Fig. 13 is a section taken on the line 13-'13 of Fig. 12;

Fig. 14 is a partial interior elevation of the lower end of an empty, folded bag with the insert in position,.il lustrating the patterns applied to each side of the insert, and their relationship to the line along which a panel of the bag is torn out to permit access to the trough;

Fig. 15 is a cut-away partial interior elevation of the filled sewn-end bag, illustrating positioning of 'the tear tape on the insert;

Fig. 16 is a partial section taken on the line 16-16 of Fig. 15, illustrating the folded insert and tape;

Fig. 17 is a vertical section taken on the line 17-1'7 of Fig. 15, showing the contents of the as yet unopened lower end of the bag,.and also indicating the direction in'which the tape is pulled during opening of thepanel in the bag;

Fig. 18 is a partial 4sectional elevation of the filled bag, with panel torn along the rip line andthe trough in open position;

Fig. 19 is a section taken on the line 19-19 of Fig. 118;

Fig. 20 is a section on the line 2li-20 yof Fig. .1 8 `taken above lthe trough insert, illustrating .the relatively .narrow dimension of the insert as compared with the width of the bag gusset;

Fig. 2l is a section taken on the line 21-21 of Fig. 18, illustrating -the .configuration of the outer ends o'f the bag adjacent the open feed trough; and

Fig. 22 is a section taken on the line 22-22 of Fig. 18.

Referring iirst to the insert member of the present linvention, its general configuration and the relationship of its elements when folded are clearly illustrated in`Figs. 1-5, and particularly Figs. 1 and 2. An insert blank designated 3@ is die-cut, preferably from kraft `paper board stock, slit along the solid lines and with crease impressions rnade along the interrupted lines of Fig. '1. When the insert is to be used in connection with a conventional gusseted bag, the blank Si) is symmetrical on either side of the central longitudinal crease 31 as regards configuration, slits and crease lines. `Creases 32 dene the longitudinal edges of a central feed material obstructing portion '35 of width nearly equal to the width of .the Preferably, the obstructing portion is slightly narrower than the bag gusset width for reasons set .forth The outer ends of center crease 31 are .slit as at 34 for a distance substantially equal to the ybag `,gusset depth to accommodate the gusset when `the bag -is. folded and permit insertion ofthe folded feeding'troug'h into the end of the bag. The obstructing portion 33has a plurality of holes 36 preferably centrally disposed between creases 32, eg., along centerfcrease 31, to limit free ilow of the .feed container in the bag. Creases 32 also define the upper longitudinal edges ofthose `portions ofthe blank `designated retainers 37, which are bounded at their lower edges by creases 38. Creases 38 are slit at their outer ends as .at 39 a distance inwardly substantially equal to the length of slits 34. Retainers 37 are lalso .slit from the inner end of slits .39 in la direction substantially normal to creases 38 as at 41, thereby providing a retaining ap 42 at each of the outer ends of each of retainers 37, which flaps are displaceable, as indicated in Fig. 4, from the plane of the retainers. A plurality "of longitudinally disposed holes 43, 4prefer-ably in line 'and 4positioned somewhat closer to lower creases 38 than to'upper rcreases 32,'are'provided in retainers 37 for the passage yof feed.

A. s., .m

38 also define iroughmembers 44, of height somewhat less than retainers 37. The latter are slit at each end substantially parallel toslits -39 as at- 45and` to a depth substantially equalto nthat of slits 39. The

slits

39 and 45 form` the lower and upper edges respectively of the bottom flaps 46, which lefrorn theplane of troughs 44 as indicated in Fig. 4... Troughs 44 are alsocreased at their outer ends "as at 47 in-line with slit 41, which creases 47 in conjunction with slits 45 define trough outer end portions l. I The getteititlly` rectangular end portions 51 are substantially diagonally as `at 48, and the upper of these end portions are notched as `at 49 to proproections or stops 91.

Fig. 2illustrates the manner in `which the insert blank ,M is folded along thevariouscrease linesprior to inser- ,tion into a bag., 3-5 illustrate positioning of the trough 44 relativeto retainer 37, and of the retaining and bottom daps relative to the creased, notched outer trough ends 51.` As canbe seen, trough member 44 may be .foldedupwardlyonto retainer 37, retaining tlap 42 is dis .Placed from its normalposition in the plane of the retainer 37, and then laid over the creased outer trough ends 151. The bottom ap 46 is also displaced from the plane oftrongh 44. and after retaining Bap 42 has been posi- ,tioned `as above describedit is laid over the lower end of retaining hap 42 as illustrated in Fig. 5. A construction embodying bottom tlap 46 permits sliding displace- `smsntlot outer trough ends 51 from beneath retaining Maps when the trough is displaced from the retainer out of the trough. As pointed out in detail` hereafter, the lower ends of retainers 37 'and troughs 44 as well as of bottom `ilaps 46 may be stitched tothe sides of the bag at the sewn botten end closure of The manner in which gusseted tubular bag stockis formed is well known in the art. llrietly,` a web of bag materialis shaped. creased, folded and pasted and sealed alostgits longitudinal edges as by a machine known as a Itubeformer. These machines are capable of handling a plurality of webs,` one overlaying the other, and thus a folded `gusseted multi-wall tube. The tube y,is then` cutzinto the desired bag lengths,and each length along the lower end edge to close the bag bot- Tlte folded bags are stacked and baled for ship- After lling, bags of this type are closed in any l, ownwayas by stitching along the upper edge or in the `of valve bags, the upper end closure stitching may :he applied at the same time as at the lower end.

,w In Figs. 6 and 7. there are illustrated three superposed of

web material

60, 6l and 62, such as kraft paper, they have been formed into the tube 70 of Fig. 8.

w indicated at 63 and 64. It will be obthat the lower edges of the web are slit as at 66, and 67, 67' to permit passage of the ends 68, 68' (Figs. 19 and.l0) of a pull tape or string. While Figs. y8--10 illustrate tear tape` slits at each end of the bottom l"of the tube 78 and completed bag 71, one pair of cpposed t only required. By providing two pairs, however, trough insert carrying a one-piece tear tape 76 (Figs. A15l and 16) may `be inserted so that the tape protrudes the bag adjacent either of its gusseted sides. As

two pairs of, slits are not required, since even with ofthe bagis shown in Figs. 7, 9 and 10 as a dotted w with an arrow indicating the direction of pulling or `ripping. It is not necessary that the web material be lperforsted'along this line.

forming the bag tube. `an inter-plypastepat- -tern isnmechanically applied to the webs as indicated by thespots 69 in Figs.; 6-8. It will be observed that this the lower longitudinal edges ofl assenti 50 of trough 44 and slits 41 in retainer 37 when the insert is in position in the bag as illustrated in Fig. 14, and serves to paste together and afford rigidity to the plies along the perimeter of the trough opening, and to provide a channel in effect through which the tear strip may tear along a generally straight line. The rip line also extends along edge 50 and slits 4l of the trough insert.

With the bag tube 70 carrying the inter-ply paste patterns 69 thus formed, and the retaining and bottom flaps of the insert properly positioned as indicated in Fig. 5, the insert is folded as indicated in Fig. l1, and a pressure-sensitive tear tape 76, formed for example of glass fibers, is applied along the upper edge of trough 44 and of a Width also to extend along the adjacent portion of retainer 37, and further also along the outer edges of trough 44 and adjacent portions of retaining flaps 42 detined by slits 41, as indicated in Fig. 15. The tear tape 76 is desirably in one piece as shown in Figs. l5 and 16,

and `passes along the upper and outer edges of the trough over the bottom ap 46,` as at 77, around now-adjacent creases 38-38 as at 78, over the opposed bottom hap 46, up theside along the `opposed upper edge 50, and

' down the side of the trough and adjacent portions of opposed retainer 37 and retaining aps 42, terminating at end 68' on the opposed side of .the insert at about the 4,inner end of slit 45. Tear tape 76 at its opposed freeends 68 and 68' is preferably folded upon itself so as to prevent the ends from sticking to adjacent areas of the insert or bag. f

Paste is then applied to `each face of the insert as shown in Figs. l2, 14 and l5 in order` to secure the insert to the inner wall of the bag. These patterns include a line of paste applied along the upper edge of retainer 37 as at 79 for substantially the entire length of the retainer. A second paste pattern designated 81 is applied to the trough on `each face of the insert just inside tear tape 76. and a third paste pattern applied to portions of retainers 37, retaining daps 42 and bottom flaps 46 adjacent the tear tape. `Paste patterns 8l and 81 thus tlank tear tape 76 and correspond generally to the inter-ply paste patterns of the bag tube 70.

With the paste patterns thus applied to the insert, it is now ready'for positioning in the bag tube 70.` Insertion is accomplished by sliding the insert into the lower end of the bag as indicated in Fig. ll. The tube gussets 63 and 64 pass through slits 34 in the bifurcated ends of the obstructing portion to a point just above slits 39 at the lower outer ends of retainers 37. In the fully inserted position illustrated in Figs. l2 and 13, the folded gussets reside between the slidable creased outer end aps 51 of trough portions 44. It also will be observed from Fig. 13 that slits 34 are of sucient length to accommodate the maximum depth of the gusset. The insert is pushed into` the collapsed bag tube until the lower edge of the insert is substantially even with the lower edge of the bag. The proper positioning of the insert is clearly shown in Fig. l2. t

The lower end of the bag tube 70 is then stitched closed along the line 82 in Figs. 15 and 18 with thread 83 and a conventional binding tape 84 in the usual manner. As shown in Figs. 15, l7 and 2l. and 22, thread 83 passes not only through thetape` 84 and the layers of bag material 60-6l-62, but alsothrough the lower ends of troughs 44 and attached' bottom aps 46, as well as the lower end edges of retainers 37 and retaining aps 42. However, the lower ends of the creased outer ends 51 of the troughs are not stitched. The insert is thus firmly secured within the lower end of the bag. The bag has remained folded during positioning of the insert and sewing of the tube end. The insert does not materially increase the thickness nor interfere with normal handling or shipping of the complete folded bag. i

The bag is filled with grain or other feed 86 ina conventional manner. Pressure of the feed on the sides `of intenpiy paste pattern is such that it anks the upper edge the bag.. just.` sboverobstructing portion 33 during` tlling causes "the latter to unfold, which vpermits the passage of feed through holes 36 thus iilling the lower end of the bag. The configuration of the lower end of the filled bag is illustrated in Fig. 17. It will be observed from Figs. 17, 20 and 22 that the width of the obstructing portion 33 is somewhat less than the width of the gusset or the bag tube. This is necessary in order to prevent the bulging indicated generally at 87 in Fig. 22 from becoming excessive. Experience has shown that the obstructing portion is usually very helpful in order to control the rate of feed ow into the bottom of the bag adjacent the trough portions of the insert. Without an obstructing portion, the troughs may not open properly. The limited access for feed to the bottom ofthe bag afforded by holes 36 in the obstructing portion is illustrated by the free spaces 88 just above the trough portions in Figs. 17 and 22, and spaces 89 within the lower outerends of the bag in Figs. 18 and 21. The Size and density of feed and the bag size will dictate the width of 'paste pattern 79 on retainer 37 necessary to properly support the obstructing portion and overcome bulging.

Prior to opening, the filled bag is placed in an upright position, and one of the

ends

68 or 68 of tear tape 76 is .thenpulledor ripped upwardly, then transversely and downwardly in the direction indicated inFigs. 9 and 10 to stitch line 82, which permits displacement of a panel at the lower end of the bag. The panel is grasped at about the center of its upper edge S0 and pulled outwardly, which causes it to pivot about stitch line 82. Since the trough 44 of Vthe insert is pasted to the inner wall of the panel, displacement of the panel `causes opening of the trough as vindicated in Fig. 22, and feed materialflows through holes 43 of retainer 37 intothe trough. The trough on the other side of the bag may ybe opened in a similar manner. v

During openingof-the trough, lthe portion'of creased outer trough ends 51 defined by `creases 47 and 48 (see Fig. l) slides through slit 41 which Separates retainer 37 fromretaining flaps 42, until the projection 91 in the notched upperedge 49 contacts vretainer 37 at the upper edge of slit 41. Projections 91 thus serve asopening stops for the trough. The remaining portion of the creased outer trough ends 51 defined by

slits

45 and 48 become the sidesof the trough when the trough is open. These sideportions are designated 92 and 92 lin Figs. 18, 2.1 yand 22. With the trough in open position, they 11e 1n a plane substantially normal to the plane of the trough.

Immediately upon displacing tue bag panel and trough about the stitched `pivot lline as yin opening, graml or other material flows through vholes 43 in the retainer into the trough, and thecnickens or animals are ,permitted'ready access tothefeed` as in a conventional metal l'feed trough, for example. The -feed is eaten and the suppy inthe trough isfreplenished by gravity iiow through holes 36 in the obstruction portion yand the holes in the retainer. The normal level of lthe feed in the trough is as indicated in Fig. y22, `that is, at aboutthe upper edge of holes 43.

Referring again vto Figs. 2() and 2l, it Will kbe seen that the bifurcated ends of obstructing portion 33 did not sag appreciably under the load of the full feed This is due inpart to paste patterns 79 on each side of `retainer 37 which extend to'the outer edges of the retainer, and also-due tothe fact that bag gussets 63 and l64 are not completely open below as 'they are above the "obstructing portion. This is apparent from lig. 19 where it is seen'that ythe gusset 64 is about l1/3 open. Above the Fig. 19 section line the gusset is farther open fand the outer edf'es as wellas the inneredges along slit l`34, of the bifurcated ends of obstructing portion 33, are in frictional contact with the sides of the gusset.

While the present invention has been described as Iapplicable to a gusseted, sewn-end, multi-wall bag, the 'insert'may also'be employed in single Wall bags of similarconstruction. 11n eithercase, it isnotessential that 6 the gusset be substantially symmetrical as indicated `in the drawings, since Icrease line 31 and slits 34 in the obstructing portion may be placed off-center to kaccommodate bag tubes having offset, staggered or other types of gussets. The insert may also be used in connection with non-gusseted, sewn or pasted end bags. When the container does not have a sewn lower end, a transverse paste pattern is applied to the insert adjacent the lower edge of trough portions 44 and the bottom iiaps 46, which pattern secures the lower end of the insert to adjacent portions of the container wall. Likewise, the insert may be applied to a conventional paper board carton, in which case, the insert need not have center crease 31 or slits 34, since no gusset is encountered. There is no need for obstructing portion 33 to be slightly narrower than the width of the carton, since bulging -will not be encountered in paper board containers.

Although certain `particular embodiments of theinvention are Aherein disclosed Vfor purposes of explanation, Various further modifications thereof, after study of this application, will be apparent to those skilled in the art to which the invention pertains. Reference should accordingly be had to the appended claims in determining the scope of the invention.

What is claimed and desired to be secured byfLetters Patent is:

l. ln combination in the sewn lower end of a lpaper feed bag, an obstructing element adapted to conform approximately to the cross-sectional configuration of the bag, but of width slightly less than the bag width, said element having a plurality of openings therein for limited liow of feed into the space therebeneath, a pair of retainer elements supporting said vobstructing elements in the bag, each of said retainers lying in a plane generally parallel to adjacent front and rear walls of the bag `respectively, a trough located intermediate each of said retainers and the adjacent bag walls and being pivotal adjacent the base of said bag, each of said troughs being angularly displaceable about its pivot from the adjacent retainer element during opening, and the bag walls having tear-out portions overlaying said troughs for permitting access to the troughs, said retainer elements having a plurality of openings for limited ilow of feed into said troughs when the same are in open position 2. The combination with a paper bag including bottcm, side, front and rear walls, of afeeder insert in the lower end of said bag, including an obstructing portion'adapted to conform approximately to the lower crosssectional configuration of the bag and disposed therein above the bottom,said portion having a plurality of open ings therethrough for flow of feed into the space therebeneath, an element depending .from each of the side 'edges of said obstructing portion, each of said .elements being creased longitudinally adjacent the lower edge of the front and rear bag walls and thereby defining in said elements an upper retainer and a trough foldable upon the outer surface of the retainer, a plurality of openings in each of said retainers for flow of feed into the adjacent trough when the same is in open position.

3. The combination with a collapsible paper feed bag including bottom, sides, front and rear Walls of a collapsible feeder insert in the lower end of said bag including an obstructing portion adapted to conform 'approximately to the lower cross-section of the open bag and disposed therein above the bottom, said obstructing portion being creased longitudinally whereby thesamemay be folded upon itself, a plurality of openings through said obstructing portion for flow of feed into the space therebeneath,.an element depending from each of the longitudinal edges of said obstructing portion, each of said elements being secured to the front and rear Walls respectively of said bag. each of said elements being creased longitudinally adacent the lower edge of the front and rear walls of said bag. thereby definingin said elements 'an upper retainer and a trough foldable upon of `said retainer, each of the outer end of said retainer being adapted to provide a retaining ap which overlies an outer end of` said trough, said overlain outer trough ends being slit adjacent their lower edges to permit passage of said ends above said slit from beneath the retaining aps when said trough is angularly displaced from said retainer during opening, said ends thus becoming sides for the open trough, the upperedge of each of said trough ends `being shaped and adapted to engage said retainer thereby providing stops for said trough when the same is opened a predetermined distance, a plurality of openings in each of said retainers intermediate said retainer flaps for how of feed into the trough, a tear tape overlaying the upper edge of the trough and adjacent portions of said retainer and the inner edge of said retainer flaps and adjacent portions of the trough, means for closing the lower end of said bag `and securing the lower-edges `of said troughs and adjacent retainer aps to the interior of i. the front and rearwall of said bag respectively, and an adhesive pattern on; either side of said tear tape securing said trough retainer to said wall, thereby providing a channel Banking said tear tape through which the :same may be removed with tearing of the wall of said bag.

4.` The combination with a paper, sewnend gusseted feed bag of a collapsible feeder insert in the lower end of said bag including a central obstructing portion adapted to conform approximately to the lower cross-section of the open bag andpositioued therein above the bottom, laid portion having a longitudinalvcrease, whereby the lame may be folded upon itself, the outer ends of said crease being slit to accommodatethe fold of the bag obstructing `portion having a plurality of openings therein for flowof feed into the space beneath said portion, an element depending from each `of the longitudinal edges of said obstructing portion, localized areas of adhesive on each of said elements adjacent the upper edges thereof securing the same to the opposed interior walls of said bag, each of said elements being creased longitudinally adjacent the lower end of the bag, thereby defining in said element an upper retainer and a ilower trough of height less than said retainer and foldable upon the outer surface of said retainer, each of the outer ends of said retainer being adapted to provide a retaining flap, the same overlaying the outer ends `of said trough, `a slit in each of the outer `trough ends, spaced above their lower edges, to permit passage of said end portions above said slit beneath said retaining llaps when the trough is angularly displaced from said retainer `during opening, said ends thus becomi ing sides for the open trough, the upper edge of each of vsaid trough ends being shaped to provide stops for ent with said retainer when said trough is opened a predetermined distance, a plurality of openings in each of said retainers intermediate said retaining flaps for now of feedinto the open troughs, a tear tape overlaying the upper edge of the trough and adjacent portions of said retainer and the inner edge of said retaining flapsnnd adjacent portions of said trough, with the ends of said tear tape passing through the wall of said bag, a channel of adhesive material on each side of said insert anking said `tear tape and securing said insert` to the interior walls of said bag. whereby said tear tape may be removed with tearing of the overlaying portion of saidbag without separation of insert and bag along i said channel, nndastitch pattern along the loweredge of thewalls of said bag passing throughthe lower portions ofsaid insert.

5.` The combination` of sewn-end gusseted feed bag and feeder` insert as set `forth in claim 4 wherein said bag is a multi-wall bag and including means securing the multiple walls of said bag together opposite said `channel of adhesive material. w 6. combination as set forth in claim 4 wherein the width of said obstructing portion is `slightly less than the `width of the open bag. l 7. A one-piece collapsible feeder insert for the lower end of a gusseted sewn-end bag adapted to be placed in collapsed form into the end of the collapsed bagtube prior to sewing, which insert comprises a longi'udinally creased central` obstructing portion, foldable upon itself along said, crease, with the ends of said crease slitto accommodate the central fold of the bag gusset, a plurality of openings through said portion intermediate its slit ends for the ow of material into the space beneath said portion, an element in creased association with eachof the longitudinal edges of. said obstructing portion and depending therefrom, a longitudinal crease in said element defining an upper retainer and a `lower trough, a retainer flap defined by a substantially vertical` slit along each end of said retainer spaced inwardly of its ends and by a horizontal slit at eachof the outer endsof the lower creased edge of said retainer, a bottom flap at each end of said trough dened by said last-mentioned slit and a second slit in said trough substantially parallel thereto, the width of said bottom ap being suflicient to permit stitching through the same when the lower end of the bag is sewn, said trough being folded upon said retainer along their common crease, with said retaining aps overlaying the outer endsof said trough and said bottoni aps overlaying the lower end of each of the retaining aps, the portion of said trough intermediate its overlain ends being angularly displaceable from the central portion of said retainer for opening, with the overlain portions of said trough being slidable beneath said retaining aps during opening and adapted to provide sides for said trough when the same is open, a plurality of openings being formed through said retainers for the tiow of material into said trough. l

8. A colapsible feeder insert for the lower end of a feed container comprising an obstructing portion having a central longitudinal crease and adapted to serve as a false bottom for said container, said portion having a plurality of spaced holes adapted to limit the flow of the material contained to the space beneath said obstructing portion, a retaining element in creased association with each of the longitudinal edges of said obstructing portion and depending therefrom, said retaining element `being slit substantially vertically adjacent each of its outer edges and from said slits along the outer extremities of -its Iower edge to provide retaining aps angularly displaceable from the intermediate central portion of said retaining element, a trough in creased association at its lower edge with the lower edge of the retaining element, said trough being slit at its outer ends adjacent and substantially parallel to the slits in the lower edge of the retaining element to provide bottom aps,rthe central portion of said trough in closed position being folded along its creased edge so as to overlay the retaining element, said `retaining aps overlaying the outer ends of the trough and said bottom aps overlaying the lower ends of the retaining flaps, said trough being hingedly displaceable from the retaining element about their common lower edgefor opening, the portions of said trough beneath said retaining aps being slidable in said vertical slits. and being creased to provide sides for said trough when the same is in open position, said slidable portions being adapted to provide stops for said trough when the same is open, the central portion of said retaining element having a plurality of longitudinally disposed holes below the upper edge of said trough to permit flow of material into said trough, and a tear tape overlaying the upper and outer edges of the central portion of said trough and adjacent portions of the retaining element, with the end of said tape adapted to protrude through said container when said insert ism position.

9. A collapsible feeder insert for the lower end of a gusseted sewn-end bag, adapted to be placed in the lower end of the bag tube prior to sewing, which comprises an obstructing portion having a longitudinal crease, the extremities of said crease being slit to receive the bag gussets, said portion intermediate its slit ends having openings adapted to permit limited flow of material to the space beneath said portion, a pair of elements each in creased association with one of the longitudinal edges of the obstructing portion and depending therefrom, said elements being creased longitudinally to provide a retainer portion and a trough portion, said insert being slit at the outer extremities of the last mentioned crease and similarly slit adjacent and above said crease slit, thereby providing bottom aps, said retainer portion, at a point removed from the outer edges thereof, being slit substantially normally of said crease slits a distance substantially equal to the height of said trough, thereby providing outer retaining aps, said trough being normally folded along its creased edge upon said retainer portion, with said retaining aps overlaying the outer ends of said trough and said bottom flaps overlaying the lower ends of the retaining aps, the overlain outer ends of said trough being creased along the normal slit in the retaining element and also substantially diagonally upwardly from their lower inner ends, the central portion of said trough being hingedly displaceable from the retainer portion about their common creased edge during opening of said trough, with the creased outer ends of said trough being slidable through said normal slits, the same constituting sides for said trough when in open position, said creased outer ends being adapted to provide opening stops for said trough, a plurality of openings in said retainer element adapted to permit flow of material into said trough when the same is opened, and a tear tape overlaying the upper and outer edges of the central portion of said trough and adjacent portions of said retainer portion for normally maintaining said trough in closed position.

10. In combination in the closed lower end of a paper feed bag a unitary collapsible dispensing and ow regulating insert comprising an obstructing element above the lower end of the bag adapted to permit limited flow of the material contained into the space below said element, a pair of retainer elements depending from the front and rear edge respectively of said obstructing element secured to the front and rear walls of said bag. thereby supporting said obstructing element, and a trough, below said obstructing element lying intermediate one of said retainers and the adjacent bag wall, pivotal adjacent the base of said bag, said trough being angularly displaceable about its pivot during opening, the bag walls adjacent said trough having tear-out portions overlayiug said trough for permitting access thereto, at least one of said retainer elements being adapted to permit limited ow of material from the space below said obstructing element into said trough when the same is in open position.

11. In combination in the closed lower end of a paper feed bag, a collapsible dispensing and ow regulating insert comprising an obstructing element adapted to conform approximately to the cross sectional configuration of the lled bag above its lower end, said element having a plurality of openings for limiting the iow of feed into the space therebeneath, a retainer element lying in a plane generally parallel to the bag wall and supporting said obstructing element, and a trough positioned intermediate said wall and said retainer element below said obstructing element pivotal adjacent the base of said bag, said 10 trough being angularly displaceable about its pivot during opening, the bag having a tear-out portion overlaying said trough for permitting access thereto, said retainer element being adapted `to permit limited flow of material from the bag into the open trough.

12. In combination in the closed lower end of a paper feed bag a collapsible dispensing and flow regulating insert comprising an obstructing element adapted to conform approximately to the cross-sectional configuration of the lled bag above its lower end, said element having a plurality of openings for limiting the ow of feed into the space therebeneath, a pair of retainer elements each lying in a plane parallel to the front and rear walls of the bag, respectively, and supporting said obstructing element, and an interior trough on each side of and below said obstructing element integral with each of said retainer elements and positioned intermediate the respective front and rear bag walls and the retainer elements, said bag having tear-out portions overlaying said trough for access thereto, and the retainer elements being adapted to permit limited flow of material from the bag into the open troughs.

13. In a paper bag having a bottom sewn seam closure, the lower portion of the bag having an upstanding V- shaped vertical cross-section, a tear-out portion in at least the one wall of the bag adjacent the bottom, an obstructing element positioned laterally in the lled bag above said tear-out portion and secured therein against substantial vertical movement, said clement being adapted to limit flow of material in the bag to the space beneath said element, a retaining element underlying said tearout portion adapted to permit limited flow of material from the space beneath the obstructing element to the exterior of the bag, and a trough with slidable foldable ends positioned intermediate the retaining element and said tear-out portion and being pivotal adjacent said seam, said trou-gh when open being in position to receive material passing through the retaining element, said retaining element being slit to receive said trough ends and to permit passage of the same therethrough during opening of the trough.

14. In a paper bag having a bottom sewn seam closure, the lower portion of the bag having an upstanding V- shaped vertical cross-section, a tear-out portion in each of the front and rear walls of the bag adjacent its bottom, an obstructing element positioned laterally in the bag above said tear-out portion adapted to limit flow of material in the bag to the space beneath said element, a retaining element underlying each of said tear-out portions and secured to the bag wall, and trough member positioned intermediate the retaining element and tear-out portion of the Wall, said trough being pivotal adjacent said seam and having slidable end portions, said retaining element being slit adjacent its outer ends to receive and permit passage therethrough of the trough ends during opening of the trough, said retaining element also being adapted to limit the flow of material into the open trough.

References Cited in the le of this patent UNITED STATES PATENTS 1,349,535 Smith Aug. 10, 1920 2,556,661 Rendall et al June 12, 1951 2,684,807 Gerrish July 27, 1954 FOREIGN PATENTS 709,750 Great Britain .Tune 2, 1954