US3312038A - Machine for filling valve bags - Google Patents

Machine for filling valve bags Download PDF

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Publication number
US3312038A
US3312038A US363458A US36345864A US3312038A US 3312038 A US3312038 A US 3312038A US 363458 A US363458 A US 363458A US 36345864 A US36345864 A US 36345864A US 3312038 A US3312038 A US 3312038A
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Prior art keywords
bag
valve
arm
movement
filling
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Expired - Lifetime
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US363458A
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English (en)
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Knaut Jozef
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Stamicarbon BV
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Stamicarbon BV
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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
    • B65B43/00—Forming, feeding, opening or setting-up containers or receptacles in association with packaging
    • B65B43/26—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks
    • B65B43/262—Opening or distending bags; Opening, erecting, or setting-up boxes, cartons, or carton blanks opening of valve bags
    • 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
    • B65B1/04—Methods of, or means for, filling the material into the containers or receptacles
    • B65B1/18—Methods of, or means for, filling the material into the containers or receptacles for filling valve-bags

Definitions

  • the present invention relates to a machine for filling valve bags with a granular or powdery material, as used in the cement, chalk, fertilizer, and other industries.
  • valve bag refers to those bags and other flexible containers having an inwardly extending valve or pour spout which, after the bag has been filled through it, is pressed shut by the contents of the bag when the position of the bag is altered, so that the bag is closed by its own contents.
  • Another type of bag has an outwardly extending valve which has to be pushed inwards after the bag has been filled, and in principle, the invention can also be used for filling such bags.
  • Still another object of this invention is to provide a device that will not hinder manual operation when desired.
  • the invention is characterized by the provision of elements for taking an empty bag from a stock or supply; by one or more mechanisms for opening the valve; and by one or more mechanisms for disposing and orienting the bag so that the opened valve is placed around a filling spout of the machine supplying the powdery or granular material (the filling machine).
  • the device of the invention is provided with a swinging arm, mounted on a horizontal shaft for rotation above the discharge spout(s), and adapted for horizontal movement along such shaft. This arm forms part of the disposing and orienting mechanisms, and carries at its end, the bag carrying elements and at least part of the valve opening mechanisms.
  • the arm In its highest position of travel, the arm places the bag carrying elements and the valve opening mechanisms in the correct position in front of, and, by sliding movement along the shaft, against a supply stock wherein the bags are stored vertically with their valve openings down. In its lowermost position, the arm is adapted to slip the valve of a bag around a discharge spout of the filling machine.
  • the mechanism provided does not require alteration of the known filling machine proper.
  • the device of the invention is mounted on the known filling machine in such a way that its presence does not in any way constitute a hindrance if for any reason its function has to be taken over by an operator.
  • the valve Opening mechanism is equipped. with suction cups placed in juxtaposition on a line perpendicular to the longitudinal axis of the valve or pour spout, which in the supply stock is positioned at the front of the bag, which suction cups, after having been placed on the valve, are so turned with respect to each other that the planes of the suction mouths are put at an angle by at least part of the valve opening mechanism, so that the valve is opened.
  • the device according to the invention is equipped with a switching element which places the arm alternately in front of the one or the other spout.
  • stops and guide tracks for the end of the arm and for control elements of mechanisms mounted on the arm are provided near the bag supply stock, the operation of such mechanisms on the arm being described more fully hereinafter.
  • the device according to the invention may be driven for example by various cylinder, piston and piston rod combinations, hereinafter simply designated as cylinders. It will be appreciated that the operations of the device of this invention are to be coordinated with the program of the filling machine, and it is unnecessary here to explain how this is accomplished, since such coordination is well understood by those skilled in the art.
  • FIGURE 1 is a side elevation of an apparatus embodying the invention
  • FIGURE 2 is a plan view of the device shown in FIG- URE l, with the swinging arm omitted for clarity;
  • FIGURE 3 is a partial sectional view, greatly enlarged, taken along line III-III of FIGURE 1 to show the guide and track for controlling the upper movement of the swinging arm;
  • FIGURE 4 is a view similar to FIGURE 3, taken along line IV-IV of FIGURE 1 to show the guide and track for turning the swinging arm;
  • FIGURE 5 is a view similar to FIGURE 3 taken along line V-V of FIGURE 1, showing a top view of the guide for the upper suction discs on the swinging arm;
  • FIGURE 6 is a view taken along line VI-VI of FIG- URE 5, showing the front view of one guide of FIG- URE 5 for tilting the support bar on the swinging arm;
  • FIGURE 7 is a composite schematic view showing five different positions the valve opening suction cups assume during their movement on the swinging arm, three posi-' tions being designated 7a, 7b and 70, respectively, and the other two being alternate positions designated 7d;
  • FIGURE 8 is a longitudinal sectional view, greatly enlarged, of a portion of the swinging arm showing a mechanism for operating the movable suction cups;
  • FIGURE 9 is a sectional view taken along the line IX-IX of FIGURE 8 to illustrate the coaction of the sleeve and support bar of the swinging arm;
  • FIGURE 10 is a view similar to FIGURE 8 showing the end portion of a vacuum line for operating a movable suction cup;
  • FIGURE 11 is a pictorial view of the apparatus shown in FIGURE 1, with the swinging arm shown in the raised upper movement position;
  • FIGURE 12 is an enlarged pictorial view of a portion of the swinging arm showing location details of the vacuum lines and guide rollers;
  • FIGURE 13 is an enlarged pictorial view of the swinging arm switching device according to the pnesent invention.
  • FIGURE 14 is an enlarged pictorial view showing the cooperating arrangementof the guide tracks of FIGURES 3 to 6 for controlling the upper movement, turning and suction discs of the swinging arm, taken from the underside and to the left of the view shown in FIGURE 1.
  • a standard filling machine 1 is equipped with two juxtaposed filling spouts 2.
  • the opened valves or spouts 4 of the empty bags 3 are alternately slipped around each of these filling spouts as each preceding bag is filled.
  • the bags 3 rest on a tilting beam 5 and are held in position by vertical supports 6.
  • the beam 5 forms part of a weighing device (not shown), which operates a cylinder 7 when the bag has reached a certain weight, with the result that the beam 5 pivots on and tilts around a shaft 8, and the filled bag drops onto a carrying or transport device (not shown).
  • the empty bags are taken from a supply stock indicated generally at 9 in which the bags are stacked in vertical planes with the valve opening 19 of valves 4 facing down.
  • the stock of empty bags 9 is continuously advanced by means of a belt conveyor 11 or the like device so that the valve 4 and the bottom 12 of the foremost bag rest against vertical supports 13 and 14, suitably supported in an elevated position with respect to the spouts 2 by appropriate framing or the like, such as shown in FIGURE 11.
  • the arm 16 can he slid along the part 17 by means of a cylinder 21 of conventional construction, one end of which is suitably carried by the filling machine and the opposite end of which is configured to neceive a radially extending projection 21' on the arm 16.
  • This movement is accomplished when the arm is in its upper position, as indicated in FIGURE 1 by a dotted line G, which represents the longitudinal axis of the arm and, with the other dotted lines in this figure, represents the outline of arm 16 in the upper or bag supply position.
  • FIGURE 2 the extreme positions in plan view between which the arm 16 is reciprocated by the cylinder 21 are represented by the dotted lines H and J, these lines representing, again, the longitudinal axis of the arm.
  • Dotted lines K and L described hereinafter, indicate filling spout positions of the arm.
  • a guide member mounted on the arm such as the roller 27 (FIG- URE 1) journaled on the outer end of projection 21', is guided in a straight track 28, which guide track is recessed in the bent hood 29 (see FIGURE 13).
  • the movement of the base or inner portion of arm 16 is moreover limited by stops 2?.
  • the arm is guided by the roller 35 and the guide track 36 which is likewise suitably mounted in fixed relation on the framing of the supports 13 and 14.
  • the invention can be adapted for a machine having a single filling spout, or for one having two (as in the present instance) or more filling spouts as desired.
  • the switching from position K to position L is achieved by the use of a switching device 30, which connects the guide track 28 either to the guide track 32, as shown by the connecting curved lines in FIGURE 2, or to the guide track 31, when the switch in FIGURE 2 is moved in the direction of the arrow.
  • a switching device 30 which connects the guide track 28 either to the guide track 32, as shown by the connecting curved lines in FIGURE 2, or to the guide track 31, when the switch in FIGURE 2 is moved in the direction of the arrow.
  • For shifting the switch to and fro use is made of the cylinder 33. In each position, K and L, the arm 16 is retained by a separate stop 34 (FIGURE 1).
  • FIG. 1 At the end of the arm 16 there are two vacuum lines 37 connected to a flexible vacuum line by a nipple 39' (FIGURES 1, 11 and 12), which, together With suction cups 3S, constitute elements for taking a bag 3 from the supply stock 9.
  • the suction cups 38 When the arm has shifted to the end of its path, into the position indicated by lines G and H, the suction cups 38 are pressed against the foremost bag in the supply. Suction is then brought to act on this bag, and when the arm 16 moves away from the supply, the bag 3 is pulled from behind the supports 13, 14 by the suction cups and is carried along thereby as the arm travels from position G-I-I through position G-J to one of the positions K or L (FIGURES 1, 2 and 7).
  • a sleeve 40 (herein referred to as the third sleeve) shown, in FIGURES 1, 4 and 8, is mounted in the end of the arm 16 for turning or rotational movement when desired.
  • This sleeve is adapted to turn through a are by means of crank 41, the guide member or roller 42, and the fixed guide track 43, suitably mounted in fixed relation to the track 36, best shown in FIGURE 4.
  • Sleeve 4% is provided with a cross pin 44, enabling a support bar 45 to tilt through a small angle in the sleeve 40, the support bar 45 then being forced towards the position shown in FIGURE 1 by a spring 46.
  • the support bar 45 is guided in a bracket 48 mounted on the arm 167
  • the sleeve 40 can be turned only when the support bar 45 is concentric with the sleeve, as in dicated in FIGURE 8, so that there is no torsion.
  • the end of the support bar there is a roller 49, which cooperates with a fixed guide track 50 suitably mounted in fixed relation to tracks 36 and 43, as best shown in the top, front and pictorial views of FIGURES 5, 6, 11 and 14, respectively.
  • a flange 53 of the sleeve 51 having a base 54 (FIGURES 1 and 10) of a vacuum line 55 mounted thereon, while on a flange 56 of the sleeve 52 there is similarly mounted a base 57 of a vacuum line 58.
  • the vacuum lines 55 and 58 are provided with suction cups 59 and 60, respectively, as best shown in FIGURE 1, each vacuum line being provided with a nipple 61 for connecting to a flexible vacuum line.
  • the support rod 45 is provided with a longitudinal slot 64 and each of the sleeves 51 and 52 is provided with a slot, 62 and 63, respectively, which slots (FIGURES 8 and 9) are so positioned withrespect to each other that they form opposite angles with a common generatrix.
  • a pin 65 cooperates with the three slots and can be moved against the pressure of the spring 66 acting on movable spring seat 66', by a rod 67 projecting from the support rod 45. If the position of rod 67 is changed, the sleeves 51 and 52, and hence the suction cups 59 and 60, are turned with respect to each other. This is accomplished, as shown in FIGURE 5, by the end of rod 67 cooperating with the guide track 68 suitably mounted in fixed relation with respect to tracks 36, 43 and 50.
  • FIGURE 9 the base 54 turns to the right, the base 57 to the left.
  • the end of support bar 45 is guided by the guide track 54? through the action of the roller 49 (FIGURE 6), so that the support bar will be brought, bearing against the pressure of spring 66, into a position concentric with the sleeve 46 so that the sleeve 40 can now be turned independently of the guide track 43 (FIGURE 4).
  • roller 42 runs into a recess 69 in the guide track 43 and sleeve 40 continues to move with the result that the sleeve it) turns.
  • FIGURE 4 The dotted line in FIGURE 4 indicates the axis or line of symmetry of the crank 41 in the end position, with arm 16 now in its end position H, where it is arrested by stops 24 and 22. (FIGURES 1 and 2).
  • the suction cups 59, 6t), and 36 are now pressed against the foremost bag 3 in the supply stock 9, the position of the suction cups 59 and 6'0 with respect to the foremost bag being shown in the extreme right hand diagram, FIGURE 7a.
  • the vacuum is then activated within the suction cups, whereafter the cylinder 21 changes the direction of the movement of the arm 16 so that the bag is pulled from the supply stock.
  • the suction cups 59 and 60 are lifted and turned, so that the valve is opened as shown in the top left diagram, FIGURE 70. While the distance C is being traversed, the operating elements 49, 67, and 42, and the guide roller 35 come clear of or leave their guide tracks, followed by an idle travel through distance D until the arm 16 is arrested by the stops 25 and 23.
  • the arm 16 then swings down to reach the position indicated by the line I (FIGURES 1-7). Owing to the position of switch 34), the roller 27 of the arm 16 is now guided by the guide track 31, so that the movement of the arm ends on the line L (FIGURES 2 and 7d). At the same time, the valve 4 is slipped around the filling spout 2, completing one half of the cycle wherein the arm has departed from position K and has arrived in position L. Thereafter, the departure from position L and the return to position K proceeds in the same manner as described above, as the device of the invention proceeds in continuous operation.
  • a supply of empty bags 9 is supported on the conveyor 11 with the bodies thereof disposed in vertical planes and the valves 4 thereof facing downwardly, the conveyor 11 serving to move the leading bag 3 of the supply into a supply position after each bag 3 is removed from the supply position.
  • the suction cups 38 are fixedly carried by the outer end of the arm 16 with the bag engaging surfaces thereof disposed in a common vertical plane and these suction cups are moved, through the movement of the arm 16, between a bag receiving position, as shown in dotted lines in FIGURE 1, wherein the suction cups engage the body of a bag 3 disposed in the aforementioned supply position and a bag filling position, as shown in solid lines in FIGURE 1, wherein the body of the bag is disposed below a spout 2 of the filling machine 1.
  • the movement of the arm 16 from a position corresponding to the bag receiving position to a position corresponding to the bag filling position consists of an initial horizontal sliding movement from the bag receiving position, such as illustrated at H in FIGURES 2 and 3, to the position I, as illustrated in FIGURES 2 and 3.
  • This movement is accomplished by a horizontal sliding movement of the inner endof the arm with respect to part 17 by means of the cylinder 21, the roller 27 connected with the inner end of the arm 16 moving through the horizontal guide track portion 28 during this movement.
  • the next movement is a downward vertical swinging movement of the arm 16, by means of cylinder 18, from its raised position, as shown in dotted lines in FIGURE 1, to a lowered position, as shown in solid lines in FIG- URE 1.
  • the arm 16 in its raised position is disposed in a vertical plane intermediate the the pair of horizontally spaced discharge spouts. Consequently, with this arrangement, a horizontal sliding movement of the arm 16 is imparted during the central portion of its downward swinging movement from its raised position to its lowered position so as to dispose the arm within the vertical plane of the respective discharge spout on which the bag is to be operatively coniected for filling.
  • This horizontal sliding movement iuring the central portion of the vertical swinging movenent of the arm from its raised position to its lowered Jositlon is accomplished by the engagement of the roller 27 within one of the guide tracks 31 or 32 depending upon the position of the swinging device 3% controlled 3y cylinder 33.
  • the cylinder 33 will 3e operated during each cycle of movement of the arm l6 so that the guide tracks 31 and 32 will receive the roller 27 alternately during the downward swinging movement of the arm 16 at the end of which the suction :ups 38 are disposed in their bag filling position.
  • a source of vacuum is comtnunicated with the vacuum cups 38 when the latter are disposed in their bag receiving position and such source of vacuum is cut off when the suction cups are disposed in their bag filling position.
  • the movement of the arm 16 from the bag filling position of the suction :up 38 to the bag receiving position thereof is simply the reverse of the movement described above from the bag receiving position to the bag filling position.
  • the suction cups and 60 are simultaneously (1) tilted about a second pivotal axis transverse to the axis of rotation of the sleeve 40, corresponding to the axis of the cross pin 44, through engagement of the roller 49 within the downwardly inclined portion of the guide track 50 as shown in FIGURE 6, and (2) pivotally moved through small equal angles in opposite directions about a third axis perpendicular to the axis of the cross pin 44, constituting the common axis of the sleeves 51 and 52, through the engagement of the rod 67 with the inclined portion of guide track 68, as shown in FIGURE 5, and the engagement of pin 65 within slots 62 and 63 in the sleeves 51 and 52.
  • Suction cups 59 and 60 are retained in the valve opening position, as shown in FIGURE 70, during the subsequent horizontal movement of the arm 16 to the position I and the subsequent vertical swinging movement of the arm 16 into its lowered position at the end of which suction cups 59 and 60 are disposed in the bag filling position, shown in solid lines in FIGURE 1.
  • the apparatus of the present invention is operable to engage successive bags in the bag supply position and to move them into a bag filling position during which movement the closed valveis opened and moved around the next operative discharge spout 2 with the body of the bag therebelow for filling by the filling machine 1 in accordance with the normal operation of the latter.
  • the present invention provides a reliable automatic device for mechanizing the tedious bag filling operation that has become increasingly common in the inorganic synthetic and agricultural chemicals industries, in feed packaging and various manufacturing operations, wherein existing bgg filling machines can employ the device of the invention without extensive modification.
  • the device of the invention permits manual operation when desired.
  • Apparatus for feeding valve bags to a filling machine to be filled with granular or powdery material issuing from discharge spout means of the filling machine comprising means for retaining a supply of valve bags and feeding successive valve bags into a supply position wherein the body of the bag is disposed vertically and the valve of the bag faces downwardly in closed relation, means for engaging the body of a bag in releasably secured relation thereto, means for engaging the valve of a bag in releasably secured relation thereto, and means mounting said bag body engaging means and said bag valve engaging means for movement between bag receiving and bag filling positions and for relative movement with respect to each other during their movement between said positions in which when in a bag receiving position said bag body engaging means and said bag valve engaging means are disposed in engagement with the body and valve, respectively, of a bag in said supply position, and during movement from said bag receiving position toward a bag filling position the relative movement of said bag body engaging means and said bag valve engaging means with respect to each other is operable to open the valve of a
  • said mounting means includes an arm mounted for vertical swinging movement about a horizontal axis between raised and lowered positions and for horizontal sliding movement along said horizontal axis and means for restricting the movement of said arm to horizontal sliding movement adjacent said bag receiving position and to vertical swingmg movement adjacent a bag filling position.
  • Apparatus as defined in claim 2 including means for effecting horizontal sliding movement of said arm when disposed in said raised position between two limiting positions and means for effecting the vertical swinging movement of said arm between said raised and lowered posltlons.
  • Apparatus as defined in claim 3 including means for effecting a horizontal sliding movement of said arm in either horizontal direction during the vertical swinging movement thereof between its raised and lowered positions so as to move said bag body engaging means and said bag valve engaging means into and out of either one of two bag filling positions each associated with a separate discharge spout of the discharge spout means of the filling machine.
  • said bag body engaging means and said bag valve engaging means comprise a plurality of first and second suction cups respectively having bag engaging surfaces and wherein said mounting means further includes means fixedly mounting said first suction cups on said arm in spaced relation to said horizontal axis with the bag engaging surfaces thereof disposed in a common vertical plane.
  • said mounting means further includes means mounting a pair of said second suction cups on said arm in spaced relation to the horizontal axis thereof for movement in response to the horizontal sliding movement of said arm between said two limiting positions between said bag receiving position which corresponds to one limiting position of said arm wherein said pair of second suction cups are disposed with their bag engaging surfaces in a common vertical plane on opposite sides of a horizontal plane passing through said vertical plane and a second position corresponding to the other limiting position of said arm wherein said pair of second suction cups are disposed with their bag engaging surfaces on opposite sides of a vertical plane and each Within a plane facing downwardly and toward said vertical plane in symmetrical relation.
  • said second suction cup mounting means comprises a first sleeve mounted on said arm for pivotal movement about a first axis extending transverse to the horizontal axis of said arm, a support bar mounted on said first sleeve for pivotal movement about a second axis transverse to said first axis and parallel with the horizontal axis of said arm, second and third sleeves mounted on said support bar for pivotal movement about a common third axis transverse to said second axis, means for fixedly securing said second suction cups to said second and third sleeves respectively, and means operable in response to the movement of said arm between said limiting positions for efiecting a 90 pivotal movement of said first sleeve about its axis, a pivotal movement of said support bar about said second axis and equal pivotal movements in opposite directions of said second and third sleeves about said common third axis.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Supply Of Fluid Materials To The Packaging Location (AREA)
US363458A 1963-04-29 1964-04-29 Machine for filling valve bags Expired - Lifetime US3312038A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL292155 1963-04-29

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US3312038A true US3312038A (en) 1967-04-04

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US363458A Expired - Lifetime US3312038A (en) 1963-04-29 1964-04-29 Machine for filling valve bags

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US (1) US3312038A (fr)
CH (1) CH415428A (fr)
DE (1) DE1486065A1 (fr)
FR (1) FR1396027A (fr)
GB (1) GB1052335A (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3462917A (en) * 1967-01-31 1969-08-26 Shigeo Nakashima Means for supplying packing bags
US3466837A (en) * 1966-06-27 1969-09-16 Crown Zellerbach Corp Bag placer mechanism and method
US3691715A (en) * 1970-09-28 1972-09-19 St Regis Paper Co Valve bag applicator machine
DE2221039A1 (de) * 1971-04-28 1972-11-02 Nippon Jido Fukurozumeki Mfg C Verfahren und Vorrichtung zum automatischen Ansetzen von Beuteln an eine Abfuellvorrichtung
DE2825918A1 (de) * 1977-06-10 1978-12-21 Doria Andrea Sackzufuehrvorrichtung zum abpacken von pulverfoermigem sackgut
US4577454A (en) * 1984-05-31 1986-03-25 Douglas & Lomason Company Valve bag placing machine and method
US4648234A (en) * 1979-05-08 1987-03-10 Enrica Bellini Automatic bag-loading attachment for rotary bag-filling machines
US4664162A (en) * 1984-10-17 1987-05-12 Westmont, Inc. Valve bag placer
US20080256905A1 (en) * 2007-04-23 2008-10-23 Michael Graf Valve bag placing system and method
CN107856916A (zh) * 2017-10-27 2018-03-30 深圳市爱泰克科技有限公司 一种自动化设备开袋方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2700658C2 (de) * 1977-01-08 1984-04-12 Haver & Boecker, 4740 Oelde Vorrichtung zum Aufstecken von leeren Ventilsäcken auf die Füllstutzen einer kontinuierlich umlaufenden Füllmaschine
FR2471317A1 (fr) * 1979-12-14 1981-06-19 Montbabut Sa Ets Procede pour le conditionnement d'un produit pulverulent ou granuleux dans un sac a valve et dispositif de manipulation mettant en oeuvre ce procede
GB2199801B (en) * 1987-01-08 1991-03-06 Haver & Boecker A packaging machine and apparatus for fitting valve bags onto a filler-neck of the packaging machine
DE4229964C2 (de) * 1992-09-08 1996-09-19 Haver & Boecker Leersackmagazin

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053027A (en) * 1959-03-16 1962-09-11 Frost Ralph Irving Paper valve bag applicator for pulverized material
US3225514A (en) * 1960-11-15 1965-12-28 Inglett & Company Inc Automatic bag-hanging and bag-filling apparatus
US3225515A (en) * 1963-04-09 1965-12-28 Wilfred L Inglett Automatic bag hanger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3053027A (en) * 1959-03-16 1962-09-11 Frost Ralph Irving Paper valve bag applicator for pulverized material
US3225514A (en) * 1960-11-15 1965-12-28 Inglett & Company Inc Automatic bag-hanging and bag-filling apparatus
US3225515A (en) * 1963-04-09 1965-12-28 Wilfred L Inglett Automatic bag hanger

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3466837A (en) * 1966-06-27 1969-09-16 Crown Zellerbach Corp Bag placer mechanism and method
US3462917A (en) * 1967-01-31 1969-08-26 Shigeo Nakashima Means for supplying packing bags
US3691715A (en) * 1970-09-28 1972-09-19 St Regis Paper Co Valve bag applicator machine
DE2221039A1 (de) * 1971-04-28 1972-11-02 Nippon Jido Fukurozumeki Mfg C Verfahren und Vorrichtung zum automatischen Ansetzen von Beuteln an eine Abfuellvorrichtung
DE2825918A1 (de) * 1977-06-10 1978-12-21 Doria Andrea Sackzufuehrvorrichtung zum abpacken von pulverfoermigem sackgut
US4179868A (en) * 1977-06-10 1979-12-25 UNICEM-Unione Cementerie Marchino, Emiliane e di Augusta, S.p.A. Bag feeding apparatus for powder material packaging
US4648234A (en) * 1979-05-08 1987-03-10 Enrica Bellini Automatic bag-loading attachment for rotary bag-filling machines
US4577454A (en) * 1984-05-31 1986-03-25 Douglas & Lomason Company Valve bag placing machine and method
US4664162A (en) * 1984-10-17 1987-05-12 Westmont, Inc. Valve bag placer
US20080256905A1 (en) * 2007-04-23 2008-10-23 Michael Graf Valve bag placing system and method
CN107856916A (zh) * 2017-10-27 2018-03-30 深圳市爱泰克科技有限公司 一种自动化设备开袋方法

Also Published As

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DE1486065A1 (de) 1969-03-06
FR1396027A (fr) 1965-04-16
GB1052335A (fr) 1966-12-21
CH415428A (de) 1966-06-15

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