US2309209A - Package forming and filling apparatus - Google Patents

Package forming and filling apparatus Download PDF

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Publication number
US2309209A
US2309209A US287498A US28749839A US2309209A US 2309209 A US2309209 A US 2309209A US 287498 A US287498 A US 287498A US 28749839 A US28749839 A US 28749839A US 2309209 A US2309209 A US 2309209A
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Prior art keywords
package forming
filling apparatus
palmer
jan
sheet
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US287498A
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Frank D Palmer
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Kraft Cheese Co
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Kraft Cheese Co
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B1/00—Packaging fluent solid material, e.g. powders, granular or loose fibrous material, loose masses of small articles, in individual containers or receptacles, e.g. bags, sacks, boxes, cartons, cans, or jars
    • B65B1/02—Machines characterised by the incorporation of means for making the containers or receptacles

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  • This invention relates to a method and apparatus which produces from blank sheet material a container, fills the container, clom and seals the same, and then ejects the filled package from the machine.
  • the main objects ofthe invention are to pro vide an improved method and apparatus for auto-- matically and continuously producing from blank sheet material, containers, and filling and closing the same rapidly and economically, so as to reduce to a minimum the cost of packaging of the product concerned; to produce such mechanism which will operate continuously with a minimum of attention from an operator; to produce such an improved method and apparatus which-will occupy a minimum of floor space; to provide a method and apparatus.
  • in the character indicated which will produce a small sized but effectively sealed package, particularly but not exclusively adapted for the packaging of powdered, granular, or other similar materials which it is desired to preserve indefinitely in their original condition as to moisture content; and ingeneral it is the object of this invention to provide an improved packaging method and apparatus.
  • Figure 1 is a top plan view
  • Figure 2' is a side elevation of a portion of the mechanism shown in Figure 1;
  • Figures 3 and 4 are sections respectively on the lines I-Iand 4-4 of Figure l;
  • Figures 5, 6, and '7 are sections respectively on the lines 5-5, 6-8, and 1-1 of Figure 3;
  • Figure 8 is a section on the line 8-8 of Figuse 7;
  • Figure 9 is a section on the line 9-8 of Figure 7; but showing the parts in an advanced and changed position;
  • Figure 10 is an enlargement of a part of Figure 9, but showing a changed position of the parts;
  • Figure 11 is .a front elevation of a part of the mechanism shown in Figure 9. I
  • Figure 12 is a section similar to Figure 9,'but showing the parts in an advanced and changed position
  • Figure 13 is a section on the line 18-" of Figure 9,;
  • Figure 16 is a section on the line i8l6 of Figure 14;
  • Figure 17 is a section on the line l'i-I'i of Figure 13;
  • Figure 18 is a section on the line i8i8 of Figure 15;
  • Figure 19 is a section corresponding to a part of Figure 9, but on an enlarged scale and showing the parts in a changed position;
  • Figure 20 is a section similar to Figure 19, but showing a further changed position
  • Figure 21 is a section on the line 2l--2l of Figure 4.
  • Figure 22 is a diagrammatic plan section showing certain cam operating mechanism
  • Figures 23, 24, and 25 are perspectives of certain elements of the mechanism
  • Figure 26 is a diagrammatic plan section showing certain cam operating mechanism
  • Figure 27 is an electric circuit diagram
  • Figure 28 is a section on the line 28-28 of Fig ure 9;
  • Figure 29 is an elevation of cam mechanism shown in Figure 28;
  • Figure 30 is a section on th Figure 28;
  • Figures 32 and 33 are sections respectively 0 the lines 32-32 and 3333 of Figure 9; g
  • Figure 34 is a perspective of an element of mechanism shown in Figure 33;
  • Figure 35 is a section on the line 35-35 of Figure 8.
  • Figure 36 is a plan of a sheet of material from which containers are to be formed and showin the initial preparation of the sheet;
  • Figures 37 to 42 inclusive are perspectives illustrating successive steps in the formation and closing of the container.
  • the apparatus herein referred to comprises a frame structure consisting of supporting legs such as indicated at 50, a lower stationary spider or frame 5
  • is provided with a laterally extending part 53, which supports upwardly extending frame members 54, which in turn support wrapper feeding mechanism.
  • Supports and 58 for supply rolls S of wrapper material are suitably mounted on upstanding Figures 14 and 15 are sections similar to Fig- 55 supportmg posts 5- .5- which are suitably inoun ted in conveniently accessible parts of the frame.
  • the two supply roll supporting devices are provided so that a reserve supplyroll may be rendy for feeding into 'the mechanism immediately upon exhaustion of the other roll,
  • the wrapper material may be of any suitable type, for example, metal foil, Plioiilm, Paracote,” or other materials which may be unite! to themselves by the application of heat or pressure or both, either because of their inherent nature or because of suitable coatings of cementious material applied thereto.
  • the web T of such wrapper material is carried downwardly from either of the supply rolls thererf and threaded between upper and lower feed rolls 58 and 58 respectively.
  • the feed roll 58 is suitably journaled in frame work of the apparatus and it is continuously driven by means of gear connection as shown to a shaft 66 which v is connected by suitable means such as chain and sprockets as shown to a shaft 6
  • is continuously driven by suitable connections such as sprockets and a chain as shown to a shaft 62 which is in turn continuously driven by similar driving connections to a shaft 68 which may be representative of any suitable source of power, for example, the output power shaft of an electric motor driven speed reducing unit 64.
  • An electric motor directly connected to the speed reducing unit is indicated at 65.
  • the upper feed roller 58 is journaled in suitable bearing blocks mounted for vertical sliding movement and is normally urged downwardly by means of a spring arrangement such as indicated in Figures 2 and 3.
  • the roller 58 is thus operative to press the web T iiito driving engagement with the driven roller 58 so that rotation of the latter feeds the web forwardly.
  • the web is carried forwardly between the feed rollers 58 and 58 and is threaded between another pair of feed rollers 66 and 61 of which the lower feed roller 61 is continuously driven by suitable sprocket and chain connections and as indicated to a shaft 68 which is in turn continuously driven by suitable chain and sprocket connections to a shaft 68.
  • the shaft 68 is geared to the shaft J6 as best shown in Figure 3 so as to be thereby continuously driven.
  • the upper roller 66 is mounted so as to be movable upwardly but is normally urged downwardly towards the lower roller 61 by spring means as indicated in Figures 2 and 3.
  • the web T is guided over an upwardly humped supporting plate 16 and a flat plate 1
  • the web T issuing from between the feed rollers 66 and 61 passes over a table bar 13, the free edge 1
  • the other cutting member of the shearing mechanism comprises a blade 15 which is carried by a crosshead 16, the latter being vertically slidably mounted on upstanding posts 11-11 which are suitably supported on the bed plate 18 of the frame structure of the apparatus (see also Figure 6).
  • the crosshead 16 carries a holding member 18 which is suitably mounted in the crosshead for vertical movement relative thereto and which is normally urged downwardly by a suitable spring arrangement as indicated in Figure 3.
  • the member 19 is adapted to hold the web T in fixed position against the member 18 during thetime that the shear members 14 and 15 are co-operating to sever the web to form the separate wrapper sheets.
  • the crosshead 16 also carries an embossing or creasing die 86 which is suitably vertically slidably mounted on the crosshead or on extension brackets carried thereby, the said die being normally urged to move downwardly relative to the crosshead by suitable spring means as best shown in Figures 3 and 6.
  • which is disposed immediately below the creasing die 86 is provided with grooves or the like for cooperating with ridges or the like carried by the upper die member 86 for effecting creasing of the web.
  • the web T remain stationary. That portion of the web which is located between the creasing dies 1
  • extends beneath a portion of the shaft of the roller 66 and the other end of each lever 8
  • the feed rollers 58 and 58 continue, however, to advance the web T.
  • The'upwardly humped guide member 16 serves to direct the web into an upwardly directed loop intermediate the feed rollers 58 and 58 and the creasing dies 1
  • are of course released and the feed roller 66 is permitted to restore driving engagement between the web T and the driven roller 61.
  • the ratios of the pitch diameters of the sprockets by means of which the roller 61 is driven is such that said roller 61 is driven at an accelerated speed so as to enable the feed rollers 66 and 61 to take up the slack in the web T.
  • the crosshead 16 is reciprocated vertically by means of links 82-82 ( Figure 6) which are connected at their upper ends to the crosshead 16 and at their lower ends to crank pins 8383 carried by the continuously driven shaft 6
  • is through the agency of a disengageable clutch arrangement which comprises a collar 84, is keyed to the shaft 6
  • the sprocket 81 is connected by means of a chain and another sprocket to the driven shaft 62.
  • the clutch dog 85 is normally urged by a spring 88 into driving engagement with the driven clutch part 86 but it is adapted to be disengaged therefrom by means of a clutch operating member 88" which is carried'by an arm I66.
  • the arm I66 is pivoted as shown at 6

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)

Description

F. D. PALMER PACKAGE FORMING AND FILLING APPARATUS Jan. 26, 1943.
Filed July 31, 1939 18 Sheets-Sheet l Jan. 26, 1943. F. D. PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1939 18 Sheets-Sheet 2 Jan. 26, 1943. F. D. PALMER PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1939 18 Sheets-Sheet 3 Jan. 26, 1943.
F. D. PALMER PACKAGE FV'ORMING AND FILLING APPARATUS Filed July 31, 1939 18 SheetsSheet 4 18 Sheets-Sheet 5 a o m F. D. PALMER Filed July 51, 1939 PACKAGE FORMING AND FILLING APPARATUS Jan. 26, 1943.
Jan. 26, 1943. F. D. PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 51, 1959 18 Sheets-Sheet 6 J23 J24 J27 J20 fiwamw- 225 Funk D. Pal/7m 253 @M 18 Sheets-Sheet '7 Jan. 26, 1943. F. D. PALMER PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1959 0 y 2 m 3 2 4 E J -w f fl 5 1M 7% W 6 m 3 I w M- 7 Q L--- 2 7 m w maiflfl m H wg m 2% 2 HI 5 x W 6 M 5 7 55 9 3 5 AU J 6 0 5 3 u w 4 1 mm 0 w 2 0 1M 1 1! 1 i\\ i 1\ ii. I 3 21 Q Q 500i W 1 1 7 I 2 fi i M W fl 4 /%2 m 3 HMH ||:1|||||| W M 2 w y l I 1 I I I l 2 j 3 .2 M MJ/ 5 3 Z m 2 J Jan. 26, 1943. F. D. PALMER PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1959 18 Sheets-Sheet 8 WWVQMWS Jan. 26,1943. D, PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1939 18 Sheets-Sheet 9 mi 253 5 251 252 269 U I 5 7 jt i a i 279 a I 256 K 266 255 IHHHH HIH in 7266 26 12 27] j 270 L T;
I I I i: 1 :5 I J27 1 i I: a
| E 1 i L 5 l I 2 V 323 j I I 1 J69 2Z4 1 3% J72 i g 19 316 Jan. 26, 1943. F. D. PALMER PACKAGE FORMING AND FILLING APPQRATUS Filed July 31, 1939 18 Sheets-Sheet 10 P P Q. Q m 0 7 7D 2 3 7 6 Q 7 2 2 2 2 0 fl 2 2 y 2 P f1. 09 i? w D 1W 9 a Z W 2 s m I 71' 5 1 x .Z I WNNNWWNNWWNNWNNMNWWU vy 9 7 m 2 m w w w 2 j 7/ 1 fl W w 7 5 2 2 9 w w vMMMNMNMvQMvNVMVM UQV/ H E .435, U 7
Jan. 26, 1943. PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1939 18 Sheets-Sheet l1 flan/6D. Pal/mar v? @2595 Jan. 26, 1943.
F. D. PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 51, 1939 18 Sheets-Sheet l2 2/2 117 WZ Z Z nu 19 &\ w I I 327 212 127, b I l/ 1 x .33 w z 1,7
manta? flank D Pal/mar Jan. 26, 1943. F. D. PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1939 18 Sheets-Sheet l3 IH K;
Jan. 26, 1943. F. D. PALMER PACKAGE FORMING AND FILLING APPARATUS Filed July 51, 1939 18 Sheets-Sheet l4 Jan. 26, 1943. F. D. PALMER PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1959 18 Sheets-Sheet l5 Jan. 26, 1943. F. D. PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 31, 1939 1a Sheets-Sheet is 1 111 121112271207 121 flan/ flj al/ner Jan. 26, 1943. F, PALMER 2,309,209
PACKAGE FORMING AND FILLING APPARATUS Filed July 51, 1959 18 SheetsSheet 1a flan/ Z7. Pal/new Patented Jan. 26, 1943 PACKAGE FORMING APPARATUS snpnnnmc Frank D. Palmer, Chicago, 111-, assignor to Kraft Clieese Company, a corporation of Delaware Application July 31, 1939, Serial N0. 287,498
36 China. (CL 93-4) This invention relates to a method and apparatus which produces from blank sheet material a container, fills the container, clom and seals the same, and then ejects the filled package from the machine.
The main objects ofthe invention are to pro vide an improved method and apparatus for auto-- matically and continuously producing from blank sheet material, containers, and filling and closing the same rapidly and economically, so as to reduce to a minimum the cost of packaging of the product concerned; to produce such mechanism which will operate continuously with a minimum of attention from an operator; to produce such an improved method and apparatus which-will occupy a minimum of floor space; to provide a method and apparatus. in the character indicated which will produce a small sized but effectively sealed package, particularly but not exclusively adapted for the packaging of powdered, granular, or other similar materials which it is desired to preserve indefinitely in their original condition as to moisture content; and ingeneral it is the object of this invention to provide an improved packaging method and apparatus.
Other'obiects and advantages of the invention will be understood by reference to the following specifications and accompanying drawings (18 sheets), wherein there is'disclosed a methcd and apparatus according to a selected form of the in vention.
In the drawings:
Figure 1 is a top plan view;
Figure 2' is a side elevation of a portion of the the mechanism shown in Figure 1;
Figures 3 and 4 are sections respectively on the lines I-Iand 4-4 ofFigure l;
Figures 5, 6, and '7 are sections respectively on the lines 5-5, 6-8, and 1-1 of Figure 3;
Figure 8 is a section on the line 8-8 of Figuse 7;
Figure 9 is a section on the line 9-8 of Figure 7; but showing the parts in an advanced and changed position; A
Figure 10 is an enlargement of a part of Figure 9, but showing a changed position of the parts;
Figure 11 is .a front elevation of a part of the mechanism shown in Figure 9. I
Figure 12 is a section similar to Figure 9,'but showing the parts in an advanced and changed position;
Figure 13 is a section on the line 18-" of Figure 9,;
ure 13, but showing changed positions of the mechanism;
Figure 16 is a section on the line i8l6 of Figure 14;
Figure 17 is a section on the line l'i-I'i of Figure 13;
Figure 18 is a section on the line i8i8 of Figure 15;
Figure 19 is a section corresponding to a part of Figure 9, but on an enlarged scale and showing the parts in a changed position;
Figure 20 is a section similar to Figure 19, but showing a further changed position;
Figure 21 is a section on the line 2l--2l of Figure 4;
Figure 22 is a diagrammatic plan section showing certain cam operating mechanism;
Figures 23, 24, and 25 are perspectives of certain elements of the mechanism;
Figure 26 is a diagrammatic plan section showing certain cam operating mechanism;
Figure 27 is an electric circuit diagram;
Figure 28 is a section on the line 28-28 of Fig ure 9;
Figure 29 is an elevation of cam mechanism shown in Figure 28;
Figure 30 is a section on th Figure 28;
line 30-30 of Figure 31 is a section on the line v3l-3l of Figure 28;
Figures 32 and 33 are sections respectively 0 the lines 32-32 and 3333 of Figure 9; g
Figure 34 is a perspective of an element of mechanism shown in Figure 33;
Figure 35 is a section on the line 35-35 of Figure 8;
Figure 36 is a plan of a sheet of material from which containers are to be formed and showin the initial preparation of the sheet;
Figures 37 to 42 inclusive are perspectives illustrating successive steps in the formation and closing of the container.
' Referring now to the drawings and initially to Figures 1, 2, and 3 thereof, the apparatus herein referred to comprises a frame structure consisting of supporting legs such as indicated at 50, a lower stationary spider or frame 5| and a central, upwardly extending stationary tubular post 52. The lower frame member 5| is provided with a laterally extending part 53, which supports upwardly extending frame members 54, which in turn support wrapper feeding mechanism. Supports and 58 for supply rolls S of wrapper material are suitably mounted on upstanding Figures 14 and 15 are sections similar to Fig- 55 supportmg posts 5- .5- which are suitably inoun ted in conveniently accessible parts of the frame. The two supply roll supporting devices are provided so that a reserve supplyroll may be rendy for feeding into 'the mechanism immediately upon exhaustion of the other roll,
thereby to avoid the necessity of interrupting the operation of the machine for the purpose of replacing an exhausted supply roll of wrapper material. The wrapper material may be of any suitable type, for example, metal foil, Plioiilm, Paracote," or other materials which may be unite! to themselves by the application of heat or pressure or both, either because of their inherent nature or because of suitable coatings of cementious material applied thereto.
The web T of such wrapper material is carried downwardly from either of the supply rolls thererf and threaded between upper and lower feed rolls 58 and 58 respectively. The feed roll 58 is suitably journaled in frame work of the apparatus and it is continuously driven by means of gear connection as shown to a shaft 66 which v is connected by suitable means such as chain and sprockets as shown to a shaft 6|. The shaft 6| is continuously driven by suitable connections such as sprockets and a chain as shown to a shaft 62 which is in turn continuously driven by similar driving connections to a shaft 68 which may be representative of any suitable source of power, for example, the output power shaft of an electric motor driven speed reducing unit 64. An electric motor directly connected to the speed reducing unit is indicated at 65.
The upper feed roller 58 is journaled in suitable bearing blocks mounted for vertical sliding movement and is normally urged downwardly by means of a spring arrangement such as indicated in Figures 2 and 3. The roller 58 is thus operative to press the web T iiito driving engagement with the driven roller 58 so that rotation of the latter feeds the web forwardly. The web is carried forwardly between the feed rollers 58 and 58 and is threaded between another pair of feed rollers 66 and 61 of which the lower feed roller 61 is continuously driven by suitable sprocket and chain connections and as indicated to a shaft 68 which is in turn continuously driven by suitable chain and sprocket connections to a shaft 68. The shaft 68 is geared to the shaft J6 as best shown in Figure 3 so as to be thereby continuously driven. The upper roller 66 is mounted so as to be movable upwardly but is normally urged downwardly towards the lower roller 61 by spring means as indicated in Figures 2 and 3.
Between the said feed roller pairs, the web T is guided over an upwardly humped supporting plate 16 and a flat plate 1|, and between side guides such as indicated at 12. The web T issuing from between the feed rollers 66 and 61 passes over a table bar 13, the free edge 1| of which constitutes one cutting member of :mechanism for shearing the web T into separate wrapper units hereinafter designed W".
The other cutting member of the shearing mechanism comprises a blade 15 which is carried by a crosshead 16, the latter being vertically slidably mounted on upstanding posts 11-11 which are suitably supported on the bed plate 18 of the frame structure of the apparatus (see also Figure 6). The crosshead 16 carries a holding member 18 which is suitably mounted in the crosshead for vertical movement relative thereto and which is normally urged downwardly by a suitable spring arrangement as indicated in Figure 3. The member 19 is adapted to hold the web T in fixed position against the member 18 during thetime that the shear members 14 and 15 are co-operating to sever the web to form the separate wrapper sheets.
The crosshead 16 also carries an embossing or creasing die 86 which is suitably vertically slidably mounted on the crosshead or on extension brackets carried thereby, the said die being normally urged to move downwardly relative to the crosshead by suitable spring means as best shown in Figures 3 and 6. The plate 1| which is disposed immediately below the creasing die 86 is provided with grooves or the like for cooperating with ridges or the like carried by the upper die member 86 for effecting creasing of the web. During the shearing and embossing or creasing operation it is of course necessary that the web T remain stationary. That portion of the web which is located between the creasing dies 1| and 86 and therebeyond is permitted to. remain stationary by effecting separation of the feed rollers 66 and 61 as an incident to the descent of the crosshead 16. For this purpose there is provided at opposite ends of the roller 66, arms such as indicated at 8| which are pivoted intermediate their ends as shown at 82. One end at each of said levers 8| extends beneath a portion of the shaft of the roller 66 and the other end of each lever 8| is adapted to be engaged by an adjustable member in the form of a screw 83 which is carried by the crosshead 16. It will be apparent that when the cross head 16 is lowered, the screws 88 may be caused to engage the underlying end portions of the levers 8| so as to rock the same and thereby effect upward adjustment of the roller 66 relative to the driven roller 61. In this manner driving contact between the web T and the driven roller 61 will be disengaged. The feed rollers 58 and 58 continue, however, to advance the web T. The'upwardly humped guide member 16 serves to direct the web into an upwardly directed loop intermediate the feed rollers 58 and 58 and the creasing dies 1| and 86 during such time as the latter are in cooperative relation. Upon upward or return movement of the crosshead 16, the levers 8| are of course released and the feed roller 66 is permitted to restore driving engagement between the web T and the driven roller 61. As shown in the drawings, the ratios of the pitch diameters of the sprockets by means of which the roller 61 is driven, is such that said roller 61 is driven at an accelerated speed so as to enable the feed rollers 66 and 61 to take up the slack in the web T.
The crosshead 16 is reciprocated vertically by means of links 82-82 (Figure 6) which are connected at their upper ends to the crosshead 16 and at their lower ends to crank pins 8383 carried by the continuously driven shaft 6|.
The drive of the shaft 6| is through the agency of a disengageable clutch arrangement which comprises a collar 84, is keyed to the shaft 6|, a transversely slidable clutch dog 85 carried by the collar 84, and a clutch part 86 formed integrally or rigidly connected to the sprocket 81 which is rotatable on the shaft 6| The sprocket 81 is connected by means of a chain and another sprocket to the driven shaft 62. The clutch dog 85 is normally urged by a spring 88 into driving engagement with the driven clutch part 86 but it is adapted to be disengaged therefrom by means of a clutch operating member 88" which is carried'by an arm I66. The arm I66 is pivoted as shown at 6| to a conveniently located
US287498A 1939-07-31 1939-07-31 Package forming and filling apparatus Expired - Lifetime US2309209A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645447A (en) * 1947-09-19 1953-07-14 Colgate Palmolive Peet Co Volumetric filling machine with weight control
DE1023663B (en) * 1952-12-27 1958-01-30 Bahlsen Werner Method for producing a collapsible bag
DE1104313B (en) * 1954-01-11 1961-04-06 Bahlsen Werner Method and blanks for the production of folding containers open on one side
US3041941A (en) * 1957-07-25 1962-07-03 Habra Werk Ott Kg Manufacture of containers or the like
EP0356888A1 (en) * 1988-08-30 1990-03-07 Unilever N.V. Method and device for righting a package
US6003289A (en) * 1997-03-21 1999-12-21 Slidell, Inc. Gussett control apparatus and method for bag filling machine
US6336310B1 (en) * 1998-09-08 2002-01-08 Sanford Redmond Method and apparatus for making compact packages for speadable product

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2645447A (en) * 1947-09-19 1953-07-14 Colgate Palmolive Peet Co Volumetric filling machine with weight control
DE1023663B (en) * 1952-12-27 1958-01-30 Bahlsen Werner Method for producing a collapsible bag
DE1104313B (en) * 1954-01-11 1961-04-06 Bahlsen Werner Method and blanks for the production of folding containers open on one side
US3041941A (en) * 1957-07-25 1962-07-03 Habra Werk Ott Kg Manufacture of containers or the like
EP0356888A1 (en) * 1988-08-30 1990-03-07 Unilever N.V. Method and device for righting a package
US6003289A (en) * 1997-03-21 1999-12-21 Slidell, Inc. Gussett control apparatus and method for bag filling machine
US6336310B1 (en) * 1998-09-08 2002-01-08 Sanford Redmond Method and apparatus for making compact packages for speadable product

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