EP0207610A1 - Kette von Säcken verbunden durch Klebstreifen und Kassette - Google Patents

Kette von Säcken verbunden durch Klebstreifen und Kassette Download PDF

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Publication number
EP0207610A1
EP0207610A1 EP86303795A EP86303795A EP0207610A1 EP 0207610 A1 EP0207610 A1 EP 0207610A1 EP 86303795 A EP86303795 A EP 86303795A EP 86303795 A EP86303795 A EP 86303795A EP 0207610 A1 EP0207610 A1 EP 0207610A1
Authority
EP
European Patent Office
Prior art keywords
tape
tapes
bag
winding
cassette
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.)
Withdrawn
Application number
EP86303795A
Other languages
English (en)
French (fr)
Inventor
Ronan Richard O'neill
Michele Acquani
Pietro Segota
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.)
WR Grace and Co
Original Assignee
WR Grace and Co
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
Priority claimed from GB08515097A external-priority patent/GB2176459A/en
Application filed by WR Grace and Co filed Critical WR Grace and Co
Publication of EP0207610A1 publication Critical patent/EP0207610A1/de
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • B65B43/12—Feeding flexible bags or carton blanks in flat or collapsed state; Feeding flat bags connected to form a series or chain
    • B65B43/123—Feeding flat bags connected to form a series or chain

Definitions

  • the present invention relates to a chain of taped, imbricated bags, suitable for packaging. For example, meat cuts or poultry may be loaded into the bags.
  • taped imbricated bags has been known for many years and the most commonly available form of these bags uses two separate adhesive carrier tapes which have an imbricated array of the bags placed on the tapes in such a way that the adhesive face of each tape contacts the exposed part of each bag in the imbricated array.
  • the lead bag of the array is attached to the tapes by its end at which the mouth is disposed.
  • Such a tape system is disclosed in British Patent Specification No. 1,240,371 in conjunction with a cassette into which the lead ends of the two tapes were introduced.
  • the tapes are pressed with their adhesive faces in contact with one another and this combined tape was then wound around the spool inside the cassette.
  • the tapes were progressively pressed together and wound-up on the spool until, at the end of the chain of bags in question the spool was full of the combined tape assembly and could be removed from the machine and replaced by a fresh spool with a new bag chain attached.
  • Such a cassette system was ideally suited for a bag loader in which the tapes were continuously advanced towards a point of pressing together, from which point onwards the tapes were handled as a single non-adhesive assembly (by virtue of the adhesive faces being in contact with one another).
  • a first aspect of the present invention provides a method of loading a bag chain on a bag loader, comprising taking a bag chain incorporating a succession of imbricated packaging bags on two supply tapes from which they are removed during the loading operation, the supply tapes each having a lead end wound on a tape-winding rotor; operating the bag indexing drive unit to bring each of the imbricated bags successively to a loading position where the bag is loaded and separated from the tapes; and, after separation of most or all of the bags from the tapes, removing the tape-winding rotor and built-up tape thereon from the bag indexing drive unit and replacing them by a fresh tape-winding rotor with imbricated taped bags already attached; characterised in that there are two tape-winding rotors each having a respective one of said supply tapes attached; in that said tape-winding rotors are supported on spacing means to hold them with substantially parallel axes of rotation; in that the tape-winding rotors are attached to parallel drive shaft
  • a second aspect of the present invention provides a bag chain comprising: a succession of imbricated bags; a pair of side-by-side spaced tapes each having an adhesive face; a tape-winding rotor to which each of said tapes is attached; characterised in that there is a pair of said tape-winding rotors, each rotor having a respective one of the tapes attached for engagement with a tape-winding drive to wind-up the tapes on the drive; and in that there are spacer means supporting the two tape-winding rotors upon substantially parallel axes of rotation, for engagement with parallel axis drive shafts of a tape-winding unit.
  • a third aspect of the invention provides a bag chain comprising: a succession of imbricated bags; a pair of side-by-side spaced tapes each having an adhesive face; a cassette releasably mountable in a tape winding drive unit and housing a rotor on which said tapes are attached; characterised by a pair of tape-winding rotors in said cassette, each said rotor being attached to a respective one of the tapes and being adapted for engagement with a respective tape winding drive shaft of the tape-winding drive unit to wind-up the tapes on the rotors and said tape-winding rotor having spaced apart substantially parallel axes of rotation.
  • a fourth aspect of the invention provides a bag chain indexing drive unit comprising: a drive input shaft; and a drive output shaft for a cassette to which a chain of taped imbricated bags is attached; characterised by a pair of spaced apart parallel tape-indexing drive shafts each adapted for engagement with a respective tape-winding rotor of a bag chain; means for receiving a cassette with two wind-up spools coaxial with the drive shafts; and a differential drive unit between the input shaft and said tape-indexing drive shafts to allow equalisation of tension between the tapes attached to respective tape-winding spools to be associated with the tape-indexing drive shafts.
  • a bag chain generally designated 1 comprises an array of imbricated bags 2a, 2b, 2c... placed on two parallel carrier tapes 3 and 4 having their adhesive faces uppermost on the horizontal run of each tape.
  • the leading ends of the tapes 3 and 4 are introduced into a cassette 5 by way of respective inlet openings 6 and 7, respectively.
  • the adhesive face of tape 3 is the one nearer to the observer as it passes into the cassette inlet opening 6, and the adhesive face of the tape 4 is the one further from the observer, in each case the adhesive faces being directed radially outwardly when the tapes are attached to respective wind-up spools 8 and 9,
  • the two wind-up spools 8 and 9 may be floatingly mounted in the cassette 5 so that when the cassette is placed inside a housing for it, defined by a cover 10, each of the spools 8 and 9 can become centered on a respective drive dog 11 and 12 of a cassette drive unit 13.
  • the two wind-ur, spools 8 and 9 each to be mounted in the cassette 5 by way of a one-way clutch formation which precludes rotation of the two spools 8 and 9 in the tape-unwinding sense but will allow substantially unlimited rotation in the tape winding-on sense.
  • This offers several advantages: For example, when the cassette drive is switched off there is no risk of the weight of the chain driving the cassette drive in the reverse direction to allow the tape to unwind.
  • this first feature can be achieved by having a one-way clutch system in the drive to the drive dogs 11 and 12, such an arrangement would not give any protection against inadvertent unwinding of the bag chain from the cassette when a partially used chain of bags is being removed from the loader and the cassette 5 has been disengaged.
  • the one-way clutch system it is advantageous for the one-way clutch system to be incorporated on the cassette, as in the preferred embodiment of the present invention.
  • a third advantage, to be explained below is that the tapes cannot so readily be replaced by others of a different type of bag chain
  • the drive unit 13 comprises an input bevel gear 14 on a drive shaft from a motor 15, and engaging a first vertical bevel gear 16 which carries two idler gears 17 and 18 for rotation about a horizontal axis coincident with the longitudinal axes of two worms 19 and 20.
  • first vertical bevel gear 16 is freely rotatably mounted around the shaft of the righthand worm gear 20.
  • the two idler gears 17 and 18 are in constant mesh with a lefthand vertical bevel gear 21 fast with the worm 19, and a righthand vertical bevel gear 22 fast with the worm 20.
  • the lefthand worm 19 drives a pinion 23 fast with the drive dog 11 of a drive shaft for the lefthand wind-up spool 8 of the cassette 5, whereas the righthand worm 20 drives a pinion 24 fast with the drive dog 12 of a drive shaft for the righthand wind-up spool 9 of the cassette 5.
  • the cassette 5 may include some means for coding in response to the particular type of bag attached to the chain of which the cassette forms part, so that simply introducing that cassette into the housinq defined by the cover 10 will automatically instruct the bag loading equipment as to which type of bag is involved.
  • This coding may, for example, control the width and/or height to which the bag is opened so that the perimeter of the bag mouth is not too tightly stretched in the open and spread condition awaiting the insertion of a product article.
  • the coding means may comprise a mechanical shape of a portion of the cassette, for example a slot or a projection, to actuate a mechanical feeler forming part of the bag opener unit.
  • the cassette 5 will be stored, for example during shipping, with the leading part of each of the tapes wound in so that the leading edge of the first bag 2a is substantially against that surface of the cassette 5 in which the openings 6 and 7 are formed, and then before the cassette is loaded into the machine, the cassette will be pulled away from the lead bag 2a so as to uncoil part of each of the tapes 3 and 4 to provide the necessary length of tape between the cassette and the lead bag when the cassette is loaded in the bag loader.
  • the one-way clutches are incorporated, or with the prior art cassette of our British Patent No. 1,240,371, because of the adhesive face-to-face contact of the two tapes at the point where they enter the cassette.
  • each of the tapes 3 and 4 may have a non-adhesive leader portion.
  • the cassette in accordance with the present invention may provide a much improved way of holding the bags during shipping.
  • Both of the cassette types described above, in accordance with the present invention, offer the advantage of a much more rapid way of threading up a bag chain when used with the twin spool differential drive system. It is necessary only to locate the cassette in register with the two drive dogs 11 and 12, and then to press the cassette onto the drive dogs and to close the cover 10 to complete the loading operation, assuming that the bags 2a,2b,2c... are sitting on the loading table in the appropriate position.
  • the cassette 5 serves as a support means to hold the wind up rotors or spools 8 and 9 ready for rapid mounting on and disconnection from the drive dogs 11 and 12. It is therefore not essential to have a completely enclosed cassette 5 around the spools 8 and 9.
  • Figure 2 shows a detail of the mounting of the spool 8 of Figure 1 in the cassette body 5.
  • the cassette body has an opening 27 which receives the hollow spindle 26 of the spool 8, the opening 27 being formed with inclined resilient teeth 28 around its periphery, for engagement with oppositely inclined resilient teeth 29 extending radially outwardly from a hub on the flange portion of the spool 8.
  • the drive motor 15 is operated to retract the exposed ends of the tapes 3 and 4 into the cassette 5, following which the full cassette can be removed and replaced by a fresh, empty cassette already having its bag chain attached.
  • the full cassette which a has just been removed can then either be scrapped or processed for removal of the wound-up tape and for re-us of the cassette.
  • the coding of the cassette may be achieved in any one of several ways, only a few of which include colour coding of the cassette, or the provision of coding cut-outs or tabs on the body of the cassette, or printing on the cassette, or a label attached to the cassette.
  • the product identification is marked on the box enclosing the bag chain, so once the bag chain has been removed from the box the product identification may be lost.
  • the cassette 5 remains attached to the tapes and consequently there is always a secure indication of the product identification.
  • the use of coding apertures or tabs on the cassette can assist in instructing the bag loading machine automatically as regards the machine adjustments which may be necessary on changing from one bag type to another.
  • the cassette has this "coding" feature it is particularly important for the spools to be prevented from rotating in the unwinding direction to reduce the chance of a particular bag chain being completely removed from its cassette and possibly replaced by another chain having bags with different characteristics than those indicated by the cassette coding.
  • An advantage of the rapid loading facility offered by the present invention is that the bag loading machine may now have a fixed bag chain support table whereas, hitherto, the more cumbersome bag loading operation has required the availability of at least one spare bag trolley system to allow a bag chain to be attached to the trolley and to have its tapes threaded through the intermeshing gear wheels which press the tapes together in adhesive face-to-face contact so that it is then merely necessary to roll this trolley up to the bag loader when a change of bag chain is needed.
  • twin spool sys in accordance with the present invention is that there no risk of damage to the operator or to the bag chain during the loading operation, as is possible with the drive gears used in the prior art systems requiring separation of the gears and threading of the two tapes in face-to-face contact between the gears before again bringing the gears into mesh.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Closures For Containers (AREA)
  • Replacement Of Web Rolls (AREA)
EP86303795A 1985-06-14 1986-05-19 Kette von Säcken verbunden durch Klebstreifen und Kassette Withdrawn EP0207610A1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB08515097A GB2176459A (en) 1985-06-14 1985-06-14 Taped bag chain with cassette
GB08602279A GB2176460B (en) 1985-06-14 1986-01-30 Taped bag chain with cassette
GB8602279 1986-01-30
GB8515097 1986-01-30

Publications (1)

Publication Number Publication Date
EP0207610A1 true EP0207610A1 (de) 1987-01-07

Family

ID=26289374

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86303795A Withdrawn EP0207610A1 (de) 1985-06-14 1986-05-19 Kette von Säcken verbunden durch Klebstreifen und Kassette

Country Status (6)

Country Link
EP (1) EP0207610A1 (de)
JP (1) JPH0613348B2 (de)
AU (1) AU588888B2 (de)
BR (1) BR8602800A (de)
DK (1) DK280786A (de)
NZ (1) NZ216542A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176460A (en) * 1985-06-14 1986-12-31 Grace W R & Co Taped bag chain with cassette
EP0885143A1 (de) * 1995-07-21 1998-12-23 Tetra Laval Holdings & Finance SA Zuführvorrichtung für kleinteile, sowie eine reihe von auf einem träger angeordneten kleinteilen
KR100822988B1 (ko) * 2000-10-20 2008-04-16 슈바이처 엔지니어링 래버러토리즈, 인크. 전력 시스템의 폴트들을 식별하기 위한 폴트 타입 선택시스템
CN104249829A (zh) * 2014-09-23 2014-12-31 安徽友源食品有限公司 一种用于饼干包装袋分离装置
CN110905748A (zh) * 2019-12-04 2020-03-24 大连大学 一种车用振动能量收集减震器

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE345977T1 (de) * 2002-10-03 2006-12-15 Cryovac Inc Vorrichtung und verfahren zum laden von beutelzügen
DE602005001203T2 (de) * 2004-02-09 2007-09-20 Cryovac, Inc. Haspel und haspelanordnung zum aufwickeln von trägerbändern einer schuppenartigen kette von durch klebebänder verbundenen beuteln

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908343A (en) * 1974-10-07 1975-09-30 Vac Pac Mfg Co Imbricated bag loading machine
US4032038A (en) * 1976-01-29 1977-06-28 W. R. Grace & Co. Device, apparatus and process for dispensing taped bags

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3331182A (en) * 1962-08-20 1967-07-18 Gilbert H Hannon Bag package
CA1140086A (en) * 1979-11-28 1983-01-25 Billy R. Osborne Taped bag dispenser with differential drive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3908343A (en) * 1974-10-07 1975-09-30 Vac Pac Mfg Co Imbricated bag loading machine
US4032038A (en) * 1976-01-29 1977-06-28 W. R. Grace & Co. Device, apparatus and process for dispensing taped bags

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2176460A (en) * 1985-06-14 1986-12-31 Grace W R & Co Taped bag chain with cassette
EP0885143A1 (de) * 1995-07-21 1998-12-23 Tetra Laval Holdings & Finance SA Zuführvorrichtung für kleinteile, sowie eine reihe von auf einem träger angeordneten kleinteilen
EP0885143A4 (de) * 1995-07-21 2000-01-19 Tetra Laval Holdings & Finance Zuführvorrichtung für kleinteile, sowie eine reihe von auf einem träger angeordneten kleinteilen
EP1090844A1 (de) * 1995-07-21 2001-04-11 Tetra Laval Holdings & Finance S.A. Gruppe von Giessstüllen sowie Verfahren zur ihrer Herstellung
KR100822988B1 (ko) * 2000-10-20 2008-04-16 슈바이처 엔지니어링 래버러토리즈, 인크. 전력 시스템의 폴트들을 식별하기 위한 폴트 타입 선택시스템
CN104249829A (zh) * 2014-09-23 2014-12-31 安徽友源食品有限公司 一种用于饼干包装袋分离装置
CN110905748A (zh) * 2019-12-04 2020-03-24 大连大学 一种车用振动能量收集减震器

Also Published As

Publication number Publication date
AU588888B2 (en) 1989-09-28
BR8602800A (pt) 1987-02-10
JPS6239422A (ja) 1987-02-20
AU5875486A (en) 1986-12-18
DK280786A (da) 1986-12-15
DK280786D0 (da) 1986-06-16
JPH0613348B2 (ja) 1994-02-23
NZ216542A (en) 1987-08-31

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Inventor name: ACQUANI, MICHELE

Inventor name: O'NEILL, RONAN RICHARD