GB2066220A - Improvements in or relating to the dispensing of free-flowing material - Google Patents
Improvements in or relating to the dispensing of free-flowing material Download PDFInfo
- Publication number
- GB2066220A GB2066220A GB8039269A GB8039269A GB2066220A GB 2066220 A GB2066220 A GB 2066220A GB 8039269 A GB8039269 A GB 8039269A GB 8039269 A GB8039269 A GB 8039269A GB 2066220 A GB2066220 A GB 2066220A
- Authority
- GB
- United Kingdom
- Prior art keywords
- load support
- container
- shutter
- platform
- support according
- 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- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
-
- 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
- B65B69/00—Unpacking of articles or materials, not otherwise provided for
- B65B69/0075—Emptying systems for flexible intermediate bulk containers [FIBC]
- B65B69/0083—Emptying systems for flexible intermediate bulk containers [FIBC] using frames whereby the container is only suspended
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fertilizing (AREA)
Abstract
The invention provides a means of dispensing two or more successive amounts of free-flowing material from a flexible container of the bulk type. The invention includes a load support for the flexible container, the support comprising a portable platform 30 for the container and having an aperture 35 formed therein through which the material can flow, the aperture being provided with a shutter which can be adjusted so that in one position it prevents flow of material through the aperture and in another position permits flow of material therethrough. By use of the shutter and by piercing the bottom of the flexible container flow of the material from the container can be controlled. <IMAGE>
Description
SPECIFICATION
Improvements in or relating to the dispensing of free-flowing material
This invention relates to the dispensing of freeflowing solid material from flexible containers, espe cially flexible containers of the bulk type. In particular, it relates to load supports for flexible containers and to methods of using them, for example in handling artificial fertilizers or free-flowing building materials.
The conventional way of handling artificial fertilizes on the farm has been in flexible bags having a capacity of one cwt., 50 kg. or some similar relatively small weight. Although these weights were convenient when the handling of the containers was done manually and labour was cheap, it is no longer economic (especially on larger farms) and new methods have been developed for handling artificial fertilizers and other free-flowing solid materials. One such method is the provision of fertilizers in large flexible containers specially adapted for mechanical handling. These containers (referred to herein as "bulk flexible containers") can, for example, be in the form of tough flexible bags of substantially cubic shape having straps or other convenient carrying means whereby they can be lifted and moved by cranes or other suitable lifting equipment.These containers can have a capacity, for example, of 2 tonne or one tonne. The means of dispensing the contents from these bulk flexible containers can take various forms. In one form the container is lifted over the site where the contents are to be dispensed and the container bottom is cut or otherwise pierced so as to permit the contents to flow from the container. In a second form the container has a preformed aperture in the base thereof temporarily closed by means of a closure sheet, and when the container is disposed over the dispensing site it is this sheet which is then cut or otherwise pierced so as to permit the contents of the container to escape.
The latter form of container is, of course, reusable by replacing the closure sheet. Both of the forms of container described above, although convenient in many ways, suffer from the disadvantage that once the bottom has been pierced the whole of the contents of the container has to be allowed to flow from it. A third form of bulk flexible container has been devised which is in effect a modification of the second form. In this third form the bottom aperture is formed with a flexible chute provided with a rope or other means by which flow of material from the container through the chute can be prevented or arrested when desired.
However, none of the three forms of bulk containers referred to above are suitable for use on many farms. The first and second forms are not suitable because many fertilizer spreaders have a capacity of less than 1 tonne and therefore the one tonne container cannot be used. The third form of container referred to above is not generally suitable because it cannot be used when the container is resting on a pallet-type support which is the form of load support for use with fork lift trucks commonly found on farms. Moreover, bulk containers generally have straps extending from their upper portion whereby they are lifted from the ground, and this arrangement results in a container of substantial overall height requiring the use of special lifting apparatus, and are not suitable for use with standard fork lift trucks.
The present invention now provides a simple yet very effective means by which the contents of bulk flexible containers can be dispensed in two or more successive portions.
Accordingly, in a first aspect the invention provides a load support for flexible containers of free-flowing solid materials, said support comprising:
a portable platform suitable for supporting the container said platform having formed therein an aperture which can pass a flow of said material;
and a shutter so disposed with respect to the aperture that it can be adjusted selectively to prevent flow of said material through the aperture or to permit flow of material therethrough.
In one form of the invention load supports of the invention can conveniently be made by relatively simple modification of conventional pallets, the pallet providing the portable platform. As these pallets are conventionally made from wood, it is relatively simple matter to form therein the feed aperture for the free-flowing material and to instal a suitable shutter. However, such load supports constitute only one form of the invention.
In a second aspect the invention provides a method of dispensing a free-flowing solid material from a flexible container; which comprises:
supporting the container on a load support according to the first aspect of the invention;
lifting the load support and disposing it over the dispensing site;
opening the shutter, if not already open, to a desired extent;
piercing the bottom of the container so as to permit said material to flow from the container; and,
after the desired amount of said material has flowed from the container, closing the shutter to prevent further flow of said material.
Although the invention has been described with particular reference to the use with artificial fertilizers, it is applicable to any form of free-flowing material, for example in the form of powder, granules, grains, small lumps or pellets. The invention is applicable, not only in the farming industry but in industry in general, for example for the handling of foodstuffs, animal foodstuffs, ores and sand, cement and other building materials.
There is now described, by way of example and with reference to the accompanying drawings, load supports according to preferred embodiments ofthe first aspect of the invention and a method of using the support to dispense a free-flowing solid material according to an embodiment of the second aspect of the invention, the solid material being an artificial fertilizer. In the drawings:
Figure 1 is a perspective view of the support of a first preferred embodiment, as seen from above;
Figure 2 is a perspective view of the supports of
Figure 1 as seem from below; and
Figure 3 is a perspective view of the support of a second preferred embodiment, as seen from above.
Referring to Figures 1 and 2, the load support comprises upper and lower parallel support members 10, 11 attached to and separated by spacing members 12 to define channels 13, 14,15 of box-section. The dimensions of the support members and the height of the spacing members 12 is such that the channels 13,15 permit the insertion therein of the fork of a fork lift truck. The upper and lower support members have formed therein like rectangular apertures aligned with each other so as to provide a feed aperture 16 through the load support. Between corresponding edges of the two apertures there extend wall members 17 which together close off the interior space between the upper and lower support members from the feed aperture 16.
The underside of the lower support member is provided with a shutter 18, comprising a metal shutter plate 19 adapted to slide in parallel grooves provided by the two guide rails 20 which together with end stop 21 constitute a frame for the shutter plate 19. The shutter conveniently has a handle 22 by means of which it can be reciprocated manually in the guides between a position where the feed aperture 16 is completely open, through various successive positions where the aperture is progressively reduced in size to a position where the aperture is completely closed. Figure 2 shows the shutter plate in a position where the aperture is completely open.
The lower side 23 of the lower support member is provided with legs or other supports of a length sufficient to ensure that when the platform is placed on the ground the shutter does not become damaged. In Figure 2the legs comprise two parallel wooden battens 24 disposed at opposed edges of the lower support member 11.
Referring to Figure 3, the load support comprises a platform 30 which can, for example, be of mild steel having attached at its corners legs 31,32,33,34 by means of which it can be located over a dispensing site or by means of which it can rest on the ground.
The lower ends of the legs have ground-contacting plates 31 a, 32a, 33a and 34a. The platform has formed therein a rectangular aperture 35 and the upper surface of platform is dished towards the aperture.
The underside of the platform is provided with a shutter 36, comprising a metal shutter plate 37 adapted to slide in parallel grooves provided by the guide members 38 which together with end stop 39 constitute a frame for the shutter plate. The shutter
conveniently has a handle 40 by means of which it
can be reciprocated manually in the guides between
a position where the feed aperture 35 is completely
open, through various successive positions where
the aperture is progressively reduced in size to a
position where the aperture is completely closed.
The mid-portions of legs 31 to 34 are connected together by four rails of which only two, 41 and 42,
are shown. The distance between the lower edges of the rails and the bottoms of the legs is such as to permit, when the legs are supported on the ground, the fork of a fork lift truck to be inserted beneath the rails whereby the load support can be lifted by contact or other engagement of the fork with the lower edges of rail 41 and th opposite rail (not shown).
Legs 33 and 34 have upwardly directed extensions that provide standards 43,44 whose upper portions carry respectively arms 45,46 each having support means, for example hooks 47,48, to hold an upper edge or other upper portion of the container. Arms 45,46 are conveniently parallel to the edge of the platform.
Both of the load supports described above with reference to the drawings can be used according to the method of the invention. In the particular method now described they can be used for dispensing a free-flowing solid material, for example an artificial fertilizer or building material, from a bulk flexible container into a mechanical spreader or to another dispensing site. The method embodiment now described is with reference to the first of the two load support embodiments described above.
In describing the embodiment of the method of the invention it is assumed that the bulk flexible container is, for example, one comprising a flexible bag of substantially cubic shape of 21 tonne to one tonne capacity filled with a free-fiowing artificial fertilizer and that the container is resting on the upper support member of the support in a position in which the middle portion of its bottom is substantially aligned with the support feed aperture 16. At this stage it is immaterial whether the shutter 18 is open or closed.
The container is raised using a fork lift truck, the fork being inserted through apertures 13, 15 in the manner typical for raising pallets, and is carried to the spreader and disposed so that the feed aperture of the support is over the spreader. If the shutter is closed (or is not open to a sufficiently great extent) it is then opened to the desired extent thereby exposing the bottom of the container which is then cut or otherwise pierced (for example with a knife) so as to permit the fertilizer to flow through the hole thereby made, through the feed aperture of the load support and into the spreader. Assuming that it is not intended to allow all the contents of the container to flow into the spreader, when a desired amount of fertilizer has passed from the container the shutter is closed thereby shutting off the flow of fertilizer. The support and container can then be carried away from the spreader by means of the fork lift truck and returned to the ground or other suitable storage surface.
The method can subsequently be repeated to charge the fertilizer spreader with the remainder (or a further portion) ofthe contents of the container.
Operation of the load support of Figure 3 is similar except that the upper portion of the container is attached to hooks 47,48 before cutting the container bottom and the fork of the fork lift truck is inserted below the rails to lift the support.
It will be seen that the invention provides a simple yet very effective means of using bulk flexible containers so as to discharge two or more succes sive amounts of its contents and yet retain the convenience provided by the bulk flexible container without having to transfer its contents into temporary storage prior to use.
Claims (16)
1. A load supportforflexible containers of freeflowing solid materials, said support comprising:
a portable platform suitable for supporting the container, said platform having forming therein an aperture which can pass a flow of said material;
and a shutter so disposed with respect to the aperture that it can be adjusted selectively to prevent flow of said material through the aperture or to permit flow of material therethrough.
2. A load support according to Claim 1, in which the shutter is adapted to slide with respect to the platform thereby to provide said adjustment of the shutter.
3. A load support according to Claim 2, in which the shutter is so disposed that it is out of contact with the flexible container when slided to provide said adjustment.
4. A load support according to Claim 1,2 or 3, having means for engagement with the fork of a fork lift truck whereby the load support can be lifted.
5. A load support according to Claim 4, in which said means is provided by the underside of the platform.
6. A load support according to Claim 4, in which said means is a separate horizontal member or members disposed beneath the platform.
7. A load support according to Claim 4, in which said means is provided by a recess or recesses in the platform.
8. A load support according to Claim 2 and any of
Claims 4 to 7, in which the fork can engage said means in a direction transverse to the direction of sliding movement of the shutter.
9. A load support according to any of the preceding claims, in which the upper surface of the platform is dished towards said aperture thereby to support the container more securely.
10. A load support according to any of the preceding claims, in which the platform has legs or other downwardly directed members by which it can be located over a site to which said material is to flow through said aperture.
11. A load support according to any of the preceding claims, which has one or more standards to support an upper portion of the container.
12. A load support according to Claim 1, substantially as described herein and with reference to the accompanying drawings.
13. A load support substantially as described herein and substantially as shown in Figures 1 and 2 of the accompanying drawings.
14. A load support substantially as described herein and substantially as shown in Figure 3 of the accompanying drawings.
15. A method of dispensing a free-flowing solid material from a flexible container; which comprises:
supporting the container on a load support as claimed in any of the preceding claims;
lifting the load support and disposing it over the dispensing site;
opening the shutter, if not already open, to a desired extent;
piercing the bottom of the container so as to permit said material to flow from the container; and,
after the desired amount of said material has flowed from the container, closing the shutter to prevent further flow of said material.
16. A method of dispensing a free-flowing solid material from a flexible container, substantially as described herein with reference to the accompanying drawings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB8039269A GB2066220A (en) | 1979-12-06 | 1980-12-08 | Improvements in or relating to the dispensing of free-flowing material |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB7942177 | 1979-12-06 | ||
| GB8039269A GB2066220A (en) | 1979-12-06 | 1980-12-08 | Improvements in or relating to the dispensing of free-flowing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB2066220A true GB2066220A (en) | 1981-07-08 |
Family
ID=26273807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB8039269A Withdrawn GB2066220A (en) | 1979-12-06 | 1980-12-08 | Improvements in or relating to the dispensing of free-flowing material |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2066220A (en) |
Cited By (43)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2150538A (en) * | 1983-12-01 | 1985-07-03 | Flomat Ltd | Discharging bulk containers |
| US5069596A (en) * | 1990-07-10 | 1991-12-03 | Lawter International, Inc. | Bulk bag handling and discharging apparatus |
| EP0637552A1 (en) * | 1993-08-02 | 1995-02-08 | Cerdec Aktiengesellschaft Keramische Farben | Dosingpallet |
| WO1996037421A1 (en) * | 1995-05-25 | 1996-11-28 | Centa-Pak Limited | A container arrangement |
| DE20100219U1 (en) | 2001-01-08 | 2001-07-05 | Bothor, Kerim Patrick, 22397 Hamburg | Device for receiving, transporting, controlled emptying and storage of flowable bulk goods in large-volume containers |
| US6913816B2 (en) * | 2001-10-02 | 2005-07-05 | Building Materials Investment Corporation | Composite mat product for roofing construction |
| GB2464673A (en) * | 2008-10-20 | 2010-04-28 | Kenneth George Cutler | Frame work for supporting a bulk bag during emptying |
| WO2012058059A1 (en) * | 2010-10-28 | 2012-05-03 | Arrows Up, Inc. | Bulk material shipping container |
| US8616370B2 (en) | 2010-10-28 | 2013-12-31 | Arrows Up, Inc. | Bulk material shipping container |
| US9650216B2 (en) | 2013-01-22 | 2017-05-16 | Arrows Up, Llc | Bulk material shipping container unloader |
| US10179703B2 (en) | 2014-09-15 | 2019-01-15 | Oren Technologies, Llc | System and method for delivering proppant to a blender |
| US10239436B2 (en) | 2012-07-23 | 2019-03-26 | Oren Technologies, Llc | Trailer-mounted proppant delivery system |
| USD847489S1 (en) | 2012-09-24 | 2019-05-07 | Sandbox Logistics, Llc | Proppant container |
| US10464741B2 (en) | 2012-07-23 | 2019-11-05 | Oren Technologies, Llc | Proppant discharge system and a container for use in such a proppant discharge system |
| US10518828B2 (en) | 2016-06-03 | 2019-12-31 | Oren Technologies, Llc | Trailer assembly for transport of containers of proppant material |
| US10662006B2 (en) | 2012-07-23 | 2020-05-26 | Oren Technologies, Llc | Proppant discharge system having a container and the process for providing proppant to a well site |
| US10676296B2 (en) | 2016-01-06 | 2020-06-09 | Oren Technologies, Llc | Conveyor with integrated dust collector system |
| US10676239B2 (en) | 2016-06-30 | 2020-06-09 | Sandbox Logistics, Llc | Bulk material shipping container |
| US10703587B2 (en) | 2011-12-21 | 2020-07-07 | Oren Technologies, Llc | Method of delivering, transporting, and storing proppant for delivery and use at a well site |
| US10745194B2 (en) | 2012-07-23 | 2020-08-18 | Oren Technologies, Llc | Cradle for proppant container having tapered box guides and associated methods |
| US10759610B1 (en) | 2019-05-03 | 2020-09-01 | Sandbox Logistics, Llc | Bulk material conveyor |
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-
1980
- 1980-12-08 GB GB8039269A patent/GB2066220A/en not_active Withdrawn
Cited By (74)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2150538A (en) * | 1983-12-01 | 1985-07-03 | Flomat Ltd | Discharging bulk containers |
| US5069596A (en) * | 1990-07-10 | 1991-12-03 | Lawter International, Inc. | Bulk bag handling and discharging apparatus |
| WO1992000887A1 (en) * | 1990-07-10 | 1992-01-23 | Lawter International, Inc. | Bulk bag handling and discharging method and apparatus |
| EP0637552A1 (en) * | 1993-08-02 | 1995-02-08 | Cerdec Aktiengesellschaft Keramische Farben | Dosingpallet |
| US5531360A (en) * | 1993-08-02 | 1996-07-02 | Cerdec Aktiengesellschaft Keramische Farben | Metering pallet |
| WO1996037421A1 (en) * | 1995-05-25 | 1996-11-28 | Centa-Pak Limited | A container arrangement |
| DE20100219U1 (en) | 2001-01-08 | 2001-07-05 | Bothor, Kerim Patrick, 22397 Hamburg | Device for receiving, transporting, controlled emptying and storage of flowable bulk goods in large-volume containers |
| WO2002053461A2 (en) | 2001-01-08 | 2002-07-11 | Kerim Patrick Bothor | Device for large-volume containers |
| US7140516B2 (en) | 2001-01-08 | 2006-11-28 | Kerim Patrick Bothor | Device for large-volume containers |
| US6913816B2 (en) * | 2001-10-02 | 2005-07-05 | Building Materials Investment Corporation | Composite mat product for roofing construction |
| GB2464673A (en) * | 2008-10-20 | 2010-04-28 | Kenneth George Cutler | Frame work for supporting a bulk bag during emptying |
| US8616370B2 (en) | 2010-10-28 | 2013-12-31 | Arrows Up, Inc. | Bulk material shipping container |
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