US3800678A - Apparatus for reinforcing box blanks - Google Patents

Apparatus for reinforcing box blanks Download PDF

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Publication number
US3800678A
US3800678A US00326067A US3800678DA US3800678A US 3800678 A US3800678 A US 3800678A US 00326067 A US00326067 A US 00326067A US 3800678D A US3800678D A US 3800678DA US 3800678 A US3800678 A US 3800678A
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US
United States
Prior art keywords
dispensing
conveyor
drive
blanks
magazine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US00326067A
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English (en)
Inventor
F Wiedemann
V Gyertyanffy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bobst Mex SA
Original Assignee
J Bobst et Fils SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by J Bobst et Fils SA filed Critical J Bobst et Fils SA
Application granted granted Critical
Publication of US3800678A publication Critical patent/US3800678A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
    • B31B50/02—Feeding or positioning sheets, blanks or webs
    • B31B50/04—Feeding sheets or blanks
    • B31B50/06—Feeding sheets or blanks from stacks
    • B31B50/062—Feeding sheets or blanks from stacks from the underside of a magazine
    • B31B50/064—Feeding sheets or blanks from stacks from the underside of a magazine by being moved in the plane they are lying in
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2105/00—Rigid or semi-rigid containers made by assembling separate sheets, blanks or webs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31B2120/00—Construction of rigid or semi-rigid containers
    • B31B2120/40—Construction of rigid or semi-rigid containers lined or internally reinforced
    • B31B2120/408—Construction of rigid or semi-rigid containers lined or internally reinforced by folding a sheet or blank around an inner tubular liner

Definitions

  • a machine for setting up or erecting boxes from box blanks has a dispensing conveyor formed of a pair of endless chains each supported by a pair of spacedapart sprockets, each such chain having a plurality of dispensing fingers mounted thereon for dispensing reinforcing blanks individually from a magazine, and a pair of drive chains mounted below the dispensing chains and having a plurality of drive pins secured thereto for engaging and driving a pluralityof drive blocks mounted on the chains of the dispensing conveyor chains.
  • The, dispensing conveyor and the magazine are both adjustable in their positions without disturbing the driving connection thereto.
  • the reinforcing blanks are dispensed in synchronism with a conveyor which feeds box blanks underneath the maga- 10 Claims, 5 Drawing Figures PATENIEIJAPR 2
  • the present invention relates to apparatus for handling box blanks, and more particularly to apparatus for use with a machine for setting up box blanks, by which reinforcing blanks may be dispensed from a magazine in synchronism with the feeding of box blanks.
  • Another object of the present invention is to provide a dispensing conveyor which is adjustable in a vertical and a horizontal direction, without disturbing the driving connection of the conveyor..
  • a further object of the present invention is to provide such apparatus having means for adjustably mounting a magazinefor holding a plurality ofreinforcing blanks and for permitting said blanks to be dispensed singly therefrom.
  • apparatus having a magazine for storing a plurality of reinforcing blanks in stacked relationship, a dispensing conveyor adjustably mounted below the magazine for dispensing blanks from the magazine one at a time, the dispensing conveyor comprising an endless chain withupper and lower horizontal reaches dis posed generally in a plane forming an angle with the horizontal and supporting a plurality of dispensing fingers adaptedto engage individual ones of the reinforcing blanks, the fingers being mounted on said conveyor at an angle to said plane so that they extend vertically upwardly from the lower reach of the dispensing conveyor, and a drive conveyor mounted directly below the dispensing conveyor and having a plurality of drive pins adapted to engage drive blocks on the dispensing conveyor, to drive the dispensing conveyor, and means allowing the dispensing conveyor to be adjusted in the horizontal and vertical positions without disturbing the driving connection.
  • FIG. 1 is a plan view of apparatus constructed in accordance with an illustrative embodiment of the present invention
  • FIG. 2 is a side elevation of the apparatus of FIG. 1;
  • FIG. 3 is an end view of the apparatus illustrated in FIGS. 1 and 2, as seen from the direction A as illustrated in FIGS. 1 and 2;
  • FIG. 4 is a detail view illustrating a portion of a conveyor illustrated in FIGS. 1 3;
  • FIG. 5 is a side elevation of the magazine.
  • a pair of spaced apart driving conveyors 1 are each comprising an endless chain 2 having a plurality of drive pins 3.
  • the chains 2 are each mounted for rotation about a pair of spaced sprockets 4 and 25.
  • the sprockets 4 are supported on drive shafts 5 which are permanently connected to the machine drive for rotation therewith.
  • the machine drive rotates the sprockets 4, and the chains 2 are moved in endless loops for moving the drive pins 3 with the chain.
  • the chains 2 are supported-by the sprockets 4 and 25 in spaced vertical planes, with the drive pins 3 extending'vertically upwardly above the upper reach of each chain, which is substantially horizontal.
  • each dispensing conveyor 29 includes a supporting plate 6, mounted on a pair of vertical bars 7, each of which is adjustably secured to a guide block 8.
  • the four guide blocks 8 are mounted on a pair of horizontal bars 9.
  • the conveyors 29 may each be shifted laterally by moving the blocks 8 alongthe bars 9, to allow for horizontal adjustment of the conveyors 29, whereby the spacing between the conveyors 29 is adjustable.
  • vAs shown in FIG. 1, the blocks 8 for the lower conveyor have been shifted downwardly, relative to the lower driving conveyor 1.
  • the bars 7 are also each adjustable vertically relative to its guideblock 8. In this way the position of each of the conveyors 29 may be controlled in a vertical direction, relative to the drive conveyors 1.
  • the conveyors 29 each comprise an endless chain 30 having interconnected links 26 and rollers 27.
  • the chain is supported on a pair of sprockets 28 mounted at opposite ends of the supporting plate 6, and a plurality of elongate members 31 having an L-shaped cross section are secured to the plate 6 and confine the rol- Iers 27 to movement in a pair of slots defined between facing edges of the L-shaped members.
  • Theslots thus formed maintain the chains 30 in a fixed path as they move about their endless loops, and provide a lower reach directly above the drive chains 2, and an upper reach at which the chains 30 are returned to the beginning end of the lower reach.
  • the supporting plates 6 are maintained at an angle to the horizontal.
  • a magazine 10 is supported, and the lower extremity of the magazine 10 is disposed between the lower ends of the conveyors 29 and slightly above them, in order to permit reinforcing blanks to be dispensed from the magazine 10 and thereafter carried by the conveyor 29.
  • a plurality of drive blocks 12 are secured to each of the chains 30 forming the conveyors 29 and extend below the lower reach thereof, into the path of the drive pins 3 mounted on the chains 2.
  • the pins 3 engage the blocks 12, and carry them along as the chains 2 are driven by the sprockets 4, and in this way the dispensing conveyors 29 are driven.
  • the blocks 12 extend from a distance in a horizontal direction to permit the pins 3 to maintain contact with the blocks 12 for any lateral position of the conveyors 29. As shown in FIG. 1, the blocks 12 of both conveyors 29 overlie the conveyors 1, although the pins engage different portions of the drive blocks 12 of the two conveyors 29. Similarly, the pins 3 extend upwardly from the chains 2 for a distance sufficiently far to insure engaging the drive blocks 12 for any vertical adjustment of the conveyors 29.
  • a plurality of dispensing fingers 24 are also mounted in fixed relationship to the chains 30 of the conveyors 29 and are adapted to extend upwardly beyond the drive blocks 12 when they are in the lower reach of the conveyors 29, as illustrated in FIG. 3.
  • the dispensing fingers 24 are adapted to engage the lowermost reinforcing blank 11 (FIG. 5) within the magazine and cause it to be dispensed from the magazine, and thereafter push it in a horizontal direction to the next stage (not shown) of the processing machine.
  • FIG. 4 is a detailed showing of the conveyor 29, the relationship between the driving pins 3 of the drive conveyor 1 and the blocks 12 and dispensing fingers 24 of a dispensing conveyor 29 are illustrated.
  • the upwardly extending portion of the dispensing fingers 24 extend upwardly beyond the lower limit of the magazine 10, occupied by an angle member 19 illustrated in FIG. 4.
  • the magazine 10 comprises a pair of lower beams 32, which are mounted on vertically extending bars 14 and 15 at each end.
  • the upper ends of the bars 14 and 15 are adjustably slidably received in brackets 16, which are slidably mounted on the bars 9.
  • Side walls 18 and 17 are secured to each of the beams 13, and extend upwardly therefrom to hold a stack of reinforcing blanks 11 from movement in a lateral direction.
  • An angle member 19 extends below each beam 13 and engages the lower portion of the stack of blanks 11 so as to support the entire stack within the magazine.
  • the adjustable positioning of the bars 14 along the horizontal bars 9, allows the angle members 19 to be positioned closer together or further apart, as required by the size of the blanks being processed.
  • An end wall 20 is provided at the forward end of the magazine 10, and the wall 20 is slidable in a vertical direction relative to a bracket 21, secured to the frame of the machine. It is adapted to be held in the position illustrated in FIG. 5, in which reinforcing blanks may be dispensed singly from the bottom of the stack, by means of a latch member 23 adapted to engage a notch provided in the outer surface of the wall 20.
  • bracket 21 supports the latch member 23, via a shaft 33, and the bracket 21 is supported on an arm 22 secured to a bar 9.
  • the bracket 21 may be shifted longituclinally along the arm 22 to allow for different lengths of reinforcing blanks.
  • the position of the latch member 23 is adjustable in a vertical direction relative to the bracket 21, because the shaft 33 is adjustably received in a vertical bore provided in the bracket 21.
  • the wall 20 may be secured in any position relative to the bracket 21 by means of a clamp having a shaft threaded in an aperture of the bracket 21, the shaft being rotatable by a knob 34 secured to an end thereof.
  • a variety of sizes of reinforcing blanks may be stored within the magazine l0 and dispensed singly from the bottom thereof.
  • Both the magazine 10 and the dispensing conveyors 29 are adjustable, to permit a variety of sizes of blanks to be employed.
  • the driving connection with the'drive chains 2 are not disturbed, as the drive pins 3 are adapted to engage the drive blocks 12 of the conveyors 29 irrespective of the position in which they are adjusted.
  • the blanks l l are urged downwardly in the magazine 10 by means of a pair of press devices 35, provided on both sides of the magazine 10, and are adapted to provide downwardly directed pressure on theside edges of the blanks 11.
  • a pneumatic cylinder 36 has a piston connected to a shaft 37 which is connected to a bracket 38, in which a claw 39 is rotatably mounted on a shaft 40.
  • a stop bar 41 prevents the claw 39 from rotating counterclockwise, as seen in FIG. 4, as the claw is pushed downwardly by the piston, under the force of pneumatic pressure supplied to the input line 42 of the cylinder 36.
  • the apparatus of the present invention does not require any structure below the magazine 10, or between the two conveyors 1. Therefore, this area is available for a conveyor to convey box blanks underneath the magazine 10, in synchronism with the conveyors 1. Synchronism may be assured by 'driving the incoming conveyor from the same power source as the conveyors 1, as well known in the art.
  • the conveyors 1 may be equipped with means (not shown) for carrying or pushing the box blanks.
  • the apparatus of the present invention is positioned above a conveyor which conveys box blanks from a source of such blanks to a folding device operative to set up boxes from the blanks.
  • a gluing step is required for setting up the boxes, it may be located either upstream or downstream from the magazine 10, as desired. Box blanks are fed beneath the magazine 10, and a reinforcing blank is dispensed for each box blank passing under the magazine 10, in correct position so as not to interfere with the setting-up operation. If a gluing station is located upstream from the magazine 10, the reinforcing blank is glued to the box blank. Otherwise, the reinforcing blank is simply carried on top of the box blank to the station at which the boxes are set up.
  • the dispensing fingers 24 engage a reinforcing blank and push it along with a box blank, and the reinforcing blank is supported by the box blank. Under some conditions it'is desirable to support the edgesof the reinforcing blank positively, relative to the dispensing conveyors 2 9, and
  • Apparatus according to claim 1 including two drive conveyors mounted in spaced apart parallel relationship, and a dispensing conveyor mounted directly I 5. Apparatus according to claim 1, including support- 6 above each of said drive conveyors.
  • Apparatus according to claim 2 including supporting means for supporting said t lispensing conveyors,
  • said 'supporting means including means for adjusting the position of said dispensing conveyors relative to each other.
  • Apparatus according to claim 1 including supporting means for supporting said dispensing conveyor, said supporting means including means for adjusting" the vertical position of said dispensing conveyor relative to said drive conveyor.
  • ing means for supporting said dispensing conveyor in a plane forming an angle to the horizontal.
  • Apparatus according to claim 1 including supporting means for supporting said magazine, said supporting means including means for adjusting the vertical position of said magazine relative to said dispensing conveyor.

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  • Making Paper Articles (AREA)
US00326067A 1972-01-21 1973-01-23 Apparatus for reinforcing box blanks Expired - Lifetime US3800678A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH92572A CH541422A (fr) 1972-01-21 1972-01-21 Dispositif permettant de renforcer une boîte

Publications (1)

Publication Number Publication Date
US3800678A true US3800678A (en) 1974-04-02

Family

ID=4198358

Family Applications (1)

Application Number Title Priority Date Filing Date
US00326067A Expired - Lifetime US3800678A (en) 1972-01-21 1973-01-23 Apparatus for reinforcing box blanks

Country Status (10)

Country Link
US (1) US3800678A (cs)
JP (1) JPS5216033B2 (cs)
CA (1) CA976792A (cs)
CH (1) CH541422A (cs)
DE (1) DE2301530C2 (cs)
ES (1) ES411075A1 (cs)
FR (1) FR2168825A5 (cs)
GB (1) GB1357510A (cs)
IT (1) IT976567B (cs)
SE (1) SE412880B (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986441A (en) * 1974-02-22 1976-10-19 J. Bobst & Fils S.A. Method and apparatus for applying a reinforcing lining blank in a desired position onto a surface of a box blank
DE3317084A1 (de) * 1982-06-01 1983-12-01 Bobst S.A., 1001 Lausanne Stapelpresse
FR2636883A1 (fr) * 1988-09-26 1990-03-30 Vittel Eaux Min Procede et dispositif pour ameliorer la rigidite d'un conteneur en matiere synthetique
US6598746B2 (en) 2001-09-13 2003-07-29 Washburn Graphics, Inc. Display carton having an internally reinforced hanger panel

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS608574U (ja) * 1983-06-29 1985-01-21 株式会社　ヨシタケ製作所 フロ−スイツチ付逆止弁
IL111062A0 (en) * 1994-04-04 1994-11-28 Boix Maquinaria Sa Device for gluing sheetlike reinforcements in the bottom of cardboard boxes

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2166126A (en) * 1938-05-25 1939-07-18 Nat Folding Box Co Method and apparatus for assembling wrapped boxes
US2879698A (en) * 1957-10-15 1959-03-31 Triolo Louis Machine for combining sheets
US3540970A (en) * 1967-12-05 1970-11-17 Claude Raymond Huntwork Tipping machine
US3547013A (en) * 1968-09-06 1970-12-15 Kenneth L Gentry Container lining apparatus
US3709110A (en) * 1970-12-24 1973-01-09 Fibreboard Corp Apparatus and method for applying collars to container blanks

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE708394C (de) * 1938-09-24 1941-12-20 Muller J C & Co Vorrichtung zum Herstellen von Schachtelteilen mit eingesetztem Hals

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2166126A (en) * 1938-05-25 1939-07-18 Nat Folding Box Co Method and apparatus for assembling wrapped boxes
US2879698A (en) * 1957-10-15 1959-03-31 Triolo Louis Machine for combining sheets
US3540970A (en) * 1967-12-05 1970-11-17 Claude Raymond Huntwork Tipping machine
US3547013A (en) * 1968-09-06 1970-12-15 Kenneth L Gentry Container lining apparatus
US3709110A (en) * 1970-12-24 1973-01-09 Fibreboard Corp Apparatus and method for applying collars to container blanks

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3986441A (en) * 1974-02-22 1976-10-19 J. Bobst & Fils S.A. Method and apparatus for applying a reinforcing lining blank in a desired position onto a surface of a box blank
DE3317084A1 (de) * 1982-06-01 1983-12-01 Bobst S.A., 1001 Lausanne Stapelpresse
US4506874A (en) * 1982-06-01 1985-03-26 Bobst Sa Pile pressing device
FR2636883A1 (fr) * 1988-09-26 1990-03-30 Vittel Eaux Min Procede et dispositif pour ameliorer la rigidite d'un conteneur en matiere synthetique
EP0362102A1 (fr) * 1988-09-26 1990-04-04 Societe Generale Des Eaux Minerales De Vittel Procédé et dispositif pour améliorer la rigidité d'un conteneur en matière synthétique
WO1990003263A1 (fr) * 1988-09-26 1990-04-05 Societe Generale Des Eaux Minerales De Vittel Procede et dispositif pour ameliorer la rigidite d'un conteneur en matiere synthetique
US6598746B2 (en) 2001-09-13 2003-07-29 Washburn Graphics, Inc. Display carton having an internally reinforced hanger panel

Also Published As

Publication number Publication date
JPS4882980A (cs) 1973-11-06
IT976567B (it) 1974-09-10
JPS5216033B2 (cs) 1977-05-06
GB1357510A (en) 1974-06-26
SE412880B (sv) 1980-03-24
FR2168825A5 (cs) 1973-08-31
CH541422A (fr) 1973-09-15
ES411075A1 (es) 1976-01-01
CA976792A (en) 1975-10-28
DE2301530A1 (de) 1973-07-26
DE2301530C2 (de) 1983-03-10

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