EP0118112A2 - Flexibler Behälter für die Lagerung von Schüttgutern und Verfahren zu seiner Herstellung - Google Patents

Flexibler Behälter für die Lagerung von Schüttgutern und Verfahren zu seiner Herstellung Download PDF

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Publication number
EP0118112A2
EP0118112A2 EP84102195A EP84102195A EP0118112A2 EP 0118112 A2 EP0118112 A2 EP 0118112A2 EP 84102195 A EP84102195 A EP 84102195A EP 84102195 A EP84102195 A EP 84102195A EP 0118112 A2 EP0118112 A2 EP 0118112A2
Authority
EP
European Patent Office
Prior art keywords
lifting
area
loops
container
piece
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.)
Granted
Application number
EP84102195A
Other languages
English (en)
French (fr)
Other versions
EP0118112B1 (de
EP0118112A3 (en
Inventor
Anders Juel
Bjarne Omdal
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.)
Norsk Hydro ASA
Original Assignee
Norsk Hydro ASA
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19886980&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0118112(A2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Norsk Hydro ASA filed Critical Norsk Hydro ASA
Publication of EP0118112A2 publication Critical patent/EP0118112A2/de
Publication of EP0118112A3 publication Critical patent/EP0118112A3/en
Application granted granted Critical
Publication of EP0118112B1 publication Critical patent/EP0118112B1/de
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/16—Large containers flexible
    • B65D88/1612—Flexible intermediate bulk containers [FIBC]

Definitions

  • the present invention relates to flexible containers to be filled with bulk material, and the containers comprise integrated lifting loops.
  • the invention also comprises a method for manufacturing such containers from flat-woven or round-woven base material which are joined together for forming at least one integrated lifting loop.
  • Containers of the above mentioned type have been used for some time and been found to be suitable for several purposes. Usually they comprise an inner bag or liner of impervious material. The container is usually first blown up by air before it is filled with free-flowing bulk material. Such a container is described in US Patent No. 4.136.723. This container has a double bottom and is preferably equipped with two integrated lifting loops having a total width substantially equal to half of the container's circumference such that the lifting loops comprise all of the longitudinal fibres of the container. The container can be filled by using an apparatus described in GB-Patent No. 1.505.583, and it will then be standing on a floor or the like without any extra support.
  • Its lifting loop can be placed on a hook or the like before the container is blown up and filled with bulk material.
  • the container can then be made ready for further transport, and this process might comprise closing the inner bag and joining the lifting loops by pressing them together and secure them in this position such that one obtains a suitable loop which easily can be placed on a hook or some other lifting means.
  • the lifting loops which may have a total width corresponding to half the container's circumference, implies that the process of joining together the loops to one lifting loop becomes somewhat labour-consuming.
  • the wide loops also result in certain disadvantages when the container shall be placed up on the filling apparatus or connected to it. Accordingly, there has been a need for making these operations easier and less labour-consuming.
  • lifting loops One would like to continue having some form of lifting loops because of the good experience with integrated lifting loops which after filling of bulk material in the container were joined together by tape for making a lifting loop. During further transport of the container such lifting loops had been found to be suitable for placing lifting hooks, forks and other means used for lifting and transporting the container into the lifting loop.
  • the object of the present invention was to arrive at lifting loops having a permanent lifting handle which could endure the strain they would be exposed to during application of the flexible container. Another object was to be able to apply all types of filling apparatuses and lifting devices such that application of the container would not be limited by the need for special equipment. A further object was to arrive at a rational way of making flexible containers with integrated lifting loops equipped with a permanent lifting handle.
  • the round-woven textile can be joined together in different ways. For instance such that one either attains lifting loops having a seam or lifting loops without a seam, but then containers with side seams. It was surprisingly found that it was possible to make the lifting handle principally in the same way for the different types of base materials.
  • That part of the base material which will form the lifting loops was during manufacture of the flexible container folded or placed together in several layers, depending on the width of the container, against the centre and joined in this position at a specially defined area with glue, tape or at least one seam.
  • the width of the lifting loops is hereby reduced to a suitable dimension for forming a lifting loop with a lifting handle. It was further found that the total width of the lifting loop at least should be reduced so much that the width of the lifting area became maximum 1/6 of the container's circumference.
  • One would then obtain a lifting loop with a lifting handle which was appropriate and advantageous for all operations as filling, handling, lifting, transport and discharge of the container. In certain cases one desires to avoid wear on the load-carrying fibres of the lifting loop formed in this way.
  • the lifting handle itself is equipped with an extra piece of material.
  • This piece of material should at least cover the lower part of the lifting handle, that means that part which will lie against the lifting device, for instance a lifting fork, a hook or the like, when the flexible container is lifted and/or transported.
  • This extra piece of material can also be in the form of a sleeve such that it surrounds the lifting handle.
  • Said piece of material must be made from a strong material which can endure the strains it is exposed to and which can be joined to the material of the lifting loops such that a permanent lifting point is obtained.
  • This piece of material will preferably consist of woven material, for instance of the same type which is used in the container itself.
  • the side edges 3 will now be placed as shown by the reference number 3'.
  • the area 4 marked out on the lifting loops 6 is then joined by means of glue or preferably at least one seam.
  • the piece of material 5 can be fastened around the area 4 such that it gets the form of a sleeve.
  • the material 1 is folded over the line 2 such that the halves A and B cover each other. Thereupon the container is sewn along the side edges 3 and at the bottom, whereby a completely finished container with lifting loops 6 and a lifting handle 10 comprising the protecting piece of material 5.
  • the piece of material 5 can be of woven material, for instance of the same type as that used in the container itself, or of some other suitable material which is strong enough to endure the strains it will be exposed to during further handling of the container.
  • the piece of material 5 might have a special colour such that the lifting point is clearly marked out, and it can for instance be applied as colour code for the type of container used or the material which shall be transported.
  • the permanent lifting handle 10 can as previously mentioned also be made without this piece of material, that is by just joining together the area 4.
  • Figure 2 shows a round-woven base material 1. This must first be joined in its upper part by seams 11 for forming at least one lifting loop 6. Thereupon there is made a cut in the upper part of the piece of material for forming openings 7 in which lifting devices as a hook or fork can be placed, and which also can be used as filling opening for the bulk material which shall be transported or stored in the container.
  • the lifting area 4 is then formed by folding together the loops 6 and joining by means of glue or at least one seam.
  • a piece of material 5 can then be fastened to the area 4 in the same way as described in connection with figure 1, and one gets the permanent lifting handle 10.
  • the container's bottom can be formed in known manner, and the container is then ready for being filled.
  • FIG 3 it is also shown a round-woven base material 1, but here one has already made the lifting loops 6 ready beforehand, and the lifting area 4 can be formed by bending or folding together these as described above. The container's side edges are then joined by seams 11 which terminate somewhat below the lifting loops such that openings 7 are formed. Unless one desires to make the container with a special bottom, the container will now be ready for filling.
  • figure 4 is a lifting loop 6 with lifting handle 10 shown seen from above.
  • the piece of material 5 which here is only fastened at the lower part of the lifting handle, is not visible on the figure, but the seams 9 for fastening the piece of material 5 to the area 4 is shown.
  • the openings 7 are here shown equally large, but if so desired the opening which shall be used as filling opening can be made somewhat larger than the other one.
  • a container made according to the invention is ready for being connected directly to the filling apparatus.
  • the filling pipe is put into one of the openings 7, and the container can be blown up by air and thereupon filled with free-flowing material.
  • the lifting loops can be placed on a hook on the filling apparatus, but strictly speaking this is not necessary. It has in fact been found that the blown up container can stand freely and without substantial support sideways during the filling operation. As soon as the container is filled it is just to close its inner bag, and then it is ready for being transported.
  • An essentitial advantage which is obtained by the present invention is that one is not dependent on complicated or special filling apparatuses or lifting devices.
  • lifting forks which easily can be put in under the well-defined lifting handle, which is thus strongly made that it can endure several handling operations of the filled container without damaging the lifting handle or the lifting loop by the handling devices.
  • the lifting handle according to the invention comprising the protecting piece of material 5 will secure the fibres in the lifting loop against wear.

Landscapes

  • Mechanical Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Packages (AREA)
  • Supplying Of Containers To The Packaging Station (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Table Devices Or Equipment (AREA)
  • Basic Packing Technique (AREA)
  • Cartons (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
EP84102195A 1983-03-02 1984-03-01 Flexibler Behälter für die Lagerung von Schüttgutern und Verfahren zu seiner Herstellung Expired EP0118112B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO830718A NO151855C (no) 1983-03-02 1983-03-02 Storsekk med integrerte loeftestropper, og fremgangsmaate til dens fremstilling
NO830718 1983-03-02

Publications (3)

Publication Number Publication Date
EP0118112A2 true EP0118112A2 (de) 1984-09-12
EP0118112A3 EP0118112A3 (en) 1985-11-06
EP0118112B1 EP0118112B1 (de) 1989-07-12

Family

ID=19886980

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84102195A Expired EP0118112B1 (de) 1983-03-02 1984-03-01 Flexibler Behälter für die Lagerung von Schüttgutern und Verfahren zu seiner Herstellung

Country Status (18)

Country Link
EP (1) EP0118112B1 (de)
JP (1) JPS59174481A (de)
AT (1) ATE44512T1 (de)
AU (1) AU568533B2 (de)
BR (1) BR8401008A (de)
CA (1) CA1200218A (de)
DE (1) DE3478921D1 (de)
DK (1) DK153012C (de)
ES (2) ES8502642A1 (de)
FI (1) FI69810B (de)
HK (1) HK119293A (de)
IE (1) IE55554B1 (de)
NO (2) NO151855C (de)
NZ (1) NZ207325A (de)
PT (1) PT78164B (de)
SU (1) SU1574165A3 (de)
TR (1) TR25365A (de)
UA (1) UA7086A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649798A1 (de) * 1993-10-25 1995-04-26 HABERL Gesellschaft m.b.H. Flexibler Behälter

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO158294C (no) * 1984-12-21 1988-08-17 Norsk Hydro As Storsekk med integrerte loeftestropper og med adskilt lasterom.
ES296232Y (es) * 1984-12-21 1988-04-16 Norsk Hydro A.S. Un recipiente flexible para el transporte y almacenamiento de material a granel
CH675108A5 (de) * 1988-05-03 1990-08-31 Huemer E Unistrap Verpackung
IE76456B1 (en) * 1990-09-11 1997-10-22 Christopher C Cuddy Bulk containers
WO1992016438A1 (en) * 1991-03-21 1992-10-01 Some Guys Limited Flexible containers
ES2049121B1 (es) * 1991-04-23 1994-11-16 Condepols Sa Metodo de confeccion de un asa de suspension en contenedores flexibles de productos a granel.
GB9301635D0 (en) * 1993-01-27 1993-03-17 Norsk Hydro As Method and apparatus
TW526160B (en) * 2001-01-21 2003-04-01 Luen Sing Tang Package
JP6105944B2 (ja) * 2013-01-15 2017-03-29 前田工繊株式会社 土嚢用袋体

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS3921319Y1 (de) * 1961-10-17 1964-07-27
JPS439857Y1 (de) * 1964-08-29 1968-04-30
GB1581438A (en) * 1977-09-05 1980-12-17 Lolift Uk Ltd Containers
GB1581437A (en) * 1977-09-06 1980-12-17 Lolift Uk Ltd Containers
GB2042469B (en) * 1979-02-23 1983-08-17 Toyama Ind Flexible skips

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0649798A1 (de) * 1993-10-25 1995-04-26 HABERL Gesellschaft m.b.H. Flexibler Behälter

Also Published As

Publication number Publication date
UA7086A1 (uk) 1995-06-30
CA1200218A (en) 1986-02-04
NO920426D0 (no) 1992-01-31
DK134884A (da) 1984-09-03
ES529873A0 (es) 1985-01-16
ES280269U (es) 1985-04-16
NO830718L (no) 1984-09-03
NO151855C (no) 1991-12-10
TR25365A (tr) 1993-01-07
HK119293A (en) 1993-11-12
NO151855B (no) 1985-03-11
AU568533B2 (en) 1988-01-07
JPS59174481A (ja) 1984-10-02
ES280269Y (es) 1986-04-01
NZ207325A (en) 1988-03-30
PT78164B (en) 1986-03-21
ES8502642A1 (es) 1985-01-16
DK153012B (da) 1988-06-06
DE3478921D1 (en) 1989-08-17
SU1574165A3 (ru) 1990-06-23
IE55554B1 (en) 1990-10-24
EP0118112B1 (de) 1989-07-12
NO920426L (no) 1984-09-03
PT78164A (en) 1984-03-01
BR8401008A (pt) 1984-10-09
FI840763A0 (fi) 1984-02-24
ATE44512T1 (de) 1989-07-15
DK134884D0 (da) 1984-02-29
DK153012C (da) 1988-10-17
JPH0446830B2 (de) 1992-07-31
FI840763A7 (fi) 1984-09-03
EP0118112A3 (en) 1985-11-06
AU2468784A (en) 1984-09-06
NO174818B (no) 1994-04-05
IE840297L (en) 1984-09-02
FI69810B (fi) 1985-12-31

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