EP0091893A1 - Behälter - Google Patents

Behälter Download PDF

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Publication number
EP0091893A1
EP0091893A1 EP83850092A EP83850092A EP0091893A1 EP 0091893 A1 EP0091893 A1 EP 0091893A1 EP 83850092 A EP83850092 A EP 83850092A EP 83850092 A EP83850092 A EP 83850092A EP 0091893 A1 EP0091893 A1 EP 0091893A1
Authority
EP
European Patent Office
Prior art keywords
rope
container
casing
container according
gathered
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
EP83850092A
Other languages
English (en)
French (fr)
Other versions
EP0091893B1 (de
Inventor
Gustaf Gerhard Löfberg
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.)
Supra AB
Hydro Supra AB
Original Assignee
Supra AB
Hydro Supra AB
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 Supra AB, Hydro Supra AB filed Critical Supra AB
Priority to AT83850092T priority Critical patent/ATE20657T1/de
Publication of EP0091893A1 publication Critical patent/EP0091893A1/de
Application granted granted Critical
Publication of EP0091893B1 publication Critical patent/EP0091893B1/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]
    • B65D88/1631—Flexible intermediate bulk containers [FIBC] with shape keeping flexible elements
    • B65D88/1637—Flexible intermediate bulk containers [FIBC] with shape keeping flexible elements cables or straps from top to bottom
    • 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]
    • B65D88/1675—Lifting fittings
    • B65D88/1681—Flexible, e.g. loops, or reinforcements therefor

Definitions

  • the present invention relates to a container, particularly intended for pourable goods, of the kind which includes a hose-like casing of pliant material and a rope which has one end thereof joined to a first end-part of the casing, said first end-part being gathered to form a bottom of the container, and extends from said bottom up through the container space and slideably out through a second end-part of the casing, said second end-part being gathered to form an upper part of the container, and the other end of which rope is bound around said second end-part of the casing and a portion of the rope surrounded by said second end-part, said w rope forming between the bindning location where it is bound around said second end-part and the opening for its passage out through said second end-part of the casing a U-shaped lifting loop intended for receiving a lifting hook or like device for lifting the container together with its contents.
  • Containers of this kind are known, inter alia, from US Patent Specifications Nos. 3 973 609, 4 069 852 and 4 222 422.
  • a lifting hook or like device which is inserted in the lifting loop and which permits such sliding of the rope that the stresses therein are distributed substantially uniformly over both parts of the loop, these stresses, as a result of the ability of the rope to slide in said second end-part of the casing, are advantageously transmitted to,. and distributed substantially evenly between the upper part and the bottom of the container.
  • the container When handling such containers together with their contents, for example when moving a container, suspended from a hook passed through the lifting loop, between filling station and store, from store to truck, and vice versa; from truck to boat, and vice versa; and between store and consumer station, the container is constantly subjected to dynamic stresses, i.e. the load acting between lifting loop and lifting hook constantly varies and can reach peak levels which exceed several times the load exerted under static conditions on the rope of a filled container suspended from a hook. Depending on different circumstances, the time interval between these peak values may vary from one third of a second to one second which means 60-180 load peaks per minute.
  • each such loading peak can cause the rope to slip slightly relative to the surrounding casing material at the upper part of the container, resulting in wear and in the risk that the casing material may be worn away.
  • the rope is able to slide extensively relative to the casing material at the upper part of the container, often resulting in an undesirable change in the shape of the filled container when it is lifted from or lowered on to a resting place, such as the floor of a storeroom, the platform of a lorry etc.
  • An object of the present invention is to provide a novel and useful container construction with which the aforementioned disadvantages are at least substantially eliminated.
  • the container proposed in accordance with the invention has been found to be equally as strong as the known containers in which no provision is made for locking the rope relative to the upper part of the container, while substantially reducing the risk of wearing the casing material away at the upper part of the container, and providing advantages with respect to the shape taken by the container when filled.
  • the rope may extend out through an opening formed in said second end-part of the casing, above said binding location, said end-part of said casing suitably being folded over in the region of the opening for passage of the rope out therefrom, and is preferably bound by means of a single or double sheet bend or some other corresponding, self-tightening knot.
  • the durability of the connection between the rope and said second end-part of the casing can be improved to some extent when the rope, in accordance with a suitable embodiment of the invention, is a double-stranded or, preferably, a single-stranded rope.
  • the container may advantageously be provided between said rope portion and said second end-part of the casing with a tubular part which surrounds the rope and which comprises a soft, flexible, preferably liquid-tight material, and which accompanies the rope out through said opening and extends along at least a portion of that part of the rope located outside the casing.
  • the sack-like container illustrated in Figure 1 comprises a casing 10, which has the form of a hose made from a flexible, for example woven plastics material, and the mutually opposite end-parts of which are gathered together to form the upper part 11 and the bottom 12 of the container.
  • the casing is held gathered at the bottom 12 by means of a suitable holder means 13, such as a rope, a clamp or the like.
  • the casing 10 encloses a container space 14, which is filled with pourable goods, such as pulvurent or granulated fertilizer, cement or seeds, as illustrated in dotted fashion.
  • One end of a rope 15 is joined to the lower end-part of the casing 10 gathered by the holder means 13, and extends up through the container space 14 and slideably out through an opening 16 formed in the gathered upper end-part 17 of the casing 10.
  • the opposite end of the rope 15 is bound or tied around the upper end-part 17 of the casing, at a binding location beneath the opening 16, in a manner to obtain a self-tightening knot 18, the rope-part located between the binding location and the opening forming an external U-shaped lifting loop 19, intended to receive a lifting hook or like device which is intended for lifting the container together with its contents and which permits the rope 15 to slide relative to the loop.
  • the knot 18 is so formed that when the filled container is lifted initially, the rope 15 is able to slide axially within the end-part 17 of the casing, so that the loads acting on the upper part 11 and the bottom 12 of the casing 10 are distributed substantially uniformly, via the rope 15, between said upper container part and said bottom, such that the container will take a favourable shape with respect to the loads exerted thereon.
  • the filled container, suspended from the loop 19 is subjected to a dynamic load which substantially exceeds, preferably 1 - 2.5 times the load exerted by the filled container on the lifting loop when the suspended, filled container is stationary, the knot 18 tightens and locks the part of the rope 15 embraced by said casing end-part 17 relative to said end-part 17.
  • the casing 10 is provided with a liner or inner casing 20 in the form of a substantially hose-like part of soft, flexible, liquid-tight plastics material, the bottom part of which is gathered between the casing 10 and the rope 15 by means of holder means 13 and which, by means of a similar holder means 21 is held gathered around the rope 15 at the upper part of said inner casing, via a sleeve 22 arranged for displacement along the rope 15.
  • the inner casing 20 will be effectively supported by the casing 10 and will automatically adopt a position in which the loads thereon are minimal.
  • the inner casing 20 is provided with a so-called filling valve 23 which, in order to facilitate filling of the container, can be pulled out through an axial slit 24 in the outer casing 10, and then re-inserted into the outer casing, to be protected thereby.
  • the reference 25 identifies a means for closing the valve 23.
  • the reference 26 identifies a connection or bond between the casings 10 and 20 which is obtained, for example with the aid of an adhesive and which limits the extent to which the upper part of the inner casing 20 can move relative to the rope 15 and relative to the upper part of the outer casing 10 respectively.
  • a tubular member 27 Arranged between the end-part 17 of the casing and the portion of the rope 15 embraced thereby is a tubular member 27 which encloses the rope and which is made of a soft, pliant material and accompanies the rope some distance out through the opening 16.
  • the tubular member 27 may advantageously comprise a liquid-tight material and may be gathered externally of the opening 16 around the rope 15, or be caused to lie close to the outside of the rope 15, in a manner to prevent the passage of moisture and water between said tubular member and said rope into the interior of the container.
  • the material from which the cape 28 with associated tubular member 27 is made may be provided with additives capable of absorbing or reflecting radiation harmful to the inner casing 20, such as UV-radiation.
  • the cape 28 can be reached through the slit 24, to enable the bottom-edge part of the cape to be drawn up, to expose the valve 23 when filling the container, and then lowered again to the illustrated position.
  • the reference 29 identifies a bowl-shaped protective insert made of a soft, pliant material, which is connected at its upper end 30, for example with the aid of an adhesive, to the outer and/or "inner casing 10 and 20 respectively; the insert is open at the bottom thereof and, by means of the holder means 13, is held gathered around the rope between the gathered lower end-parts of the casings 10, 20.
  • the insert 29 may also be placed within the inner casing 20.
  • the container illustrated in Figure 2 is not provided with an inner casing, and it is assumed that the casing 10 is made from a liquid-tight material.
  • the casing 10 may consist of a hose formed from a woven plastics material coated internally with a water-tight plastics layer.
  • a filling valve 23 Arranged in the upper part 11 of the illustrated container is a filling valve 23.
  • the upper end-part 17 of the casing is shown to be gathered and folded over in the region of the opening 16, and bound by means of a self-tightening knot 18 formed with the aid of the rope 15 which forms the lifting loop 19 and extends through the container space.
  • the tubular member 27 comprises the upper part of a liquid-tight tube 31 which extends down through the whole of the container space 14, to form a liquid-tight shield between said space and that part of the rope 15 extending therethrough.
  • an inner casing 20 Arranged in the embodiment illustrated in Figure 3 is an inner casing 20 having a container-filling valve which extends through the slit in the upper part 11 of the outer casing 10.
  • the rope 15 extends up through the container space 14, and out through the opening 16 in the gathered end-part 17 of the outer casing.
  • the rope forms a lifting loop 19 above the casing 11, and the rope 15 is bound around the folded end part 17, to form a self-tightening knot 18.
  • the tube 25 embracing the rope 15 in the region where it passes through the gathered end-part 17 is formed by an upper end-part of.-reduced diameter of the inner casing 20.
  • FIG. 4 The embodiment illustrated in Figure 4 is substantially the same as that illustrated in Figure 1 and will not therefore be described in detail.
  • the only difference between the Figure 4 embodiment and the Figure 1 embodiment is that the cape 21 is omitted and that the tubular member 27 embraces, within the container, the upper end-part of the inner casing 20 gathered around the sleeve 22.
  • the lower end of the tubular member 27, shown in axial section, is secured by means of the holder means 21.
  • the tubular member 27 restricts the extent to which the inner casing 20 can move along the rope 15, and hence the bond 26 illustrated in the Figure 1 embodiment can also be omitted.
  • the knot 18 can be caused to lock the end-part 17 of the casing relative to the rope 15, under controlled conditions, in conjunction with filling the container, by purposely subjecting the container suspended from the lifting loop 19 to movements of such nature as to cause the lifting loop 19 to be subjected to dynamic loads of sufficient magnitude to tighten said knot.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Packages (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Paper (AREA)
  • Catching Or Destruction (AREA)
EP83850092A 1982-04-13 1983-04-11 Behälter Expired EP0091893B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT83850092T ATE20657T1 (de) 1982-04-13 1983-04-11 Behaelter.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202316A SE455084B (sv) 1982-04-13 1982-04-13 Storseck
SE8202316 1982-04-13

Publications (2)

Publication Number Publication Date
EP0091893A1 true EP0091893A1 (de) 1983-10-19
EP0091893B1 EP0091893B1 (de) 1986-07-09

Family

ID=20346522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83850092A Expired EP0091893B1 (de) 1982-04-13 1983-04-11 Behälter

Country Status (5)

Country Link
EP (1) EP0091893B1 (de)
AT (1) ATE20657T1 (de)
DE (1) DE3364420D1 (de)
FI (1) FI76539C (de)
SE (1) SE455084B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0112808A1 (de) * 1982-11-30 1984-07-04 Gösta Rangfors Verpackung und Verfahren zu seiner Herstellung
WO2005118433A1 (en) * 2004-06-04 2005-12-15 Gambo Material Handling Bv A flowable bulk material container

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076362A (en) * 1980-05-16 1981-12-02 Supra Ab Flexible containers

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2076362A (en) * 1980-05-16 1981-12-02 Supra Ab Flexible containers

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0112808A1 (de) * 1982-11-30 1984-07-04 Gösta Rangfors Verpackung und Verfahren zu seiner Herstellung
EP0112808B1 (de) * 1982-11-30 1987-03-04 Gösta Rangfors Verpackung und Verfahren zu seiner Herstellung
WO2005118433A1 (en) * 2004-06-04 2005-12-15 Gambo Material Handling Bv A flowable bulk material container
AU2005249785B2 (en) * 2004-06-04 2011-01-27 Gambo Material Handling Bv A flowable bulk material container

Also Published As

Publication number Publication date
SE455084B (sv) 1988-06-20
ATE20657T1 (de) 1986-07-15
FI831205A0 (fi) 1983-04-11
SE8202316L (sv) 1983-10-14
DE3364420D1 (en) 1986-08-14
FI76539B (fi) 1988-07-29
FI831205L (fi) 1983-10-14
FI76539C (fi) 1988-11-10
EP0091893B1 (de) 1986-07-09

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