CA1137890A - Method of erecting a storage assembly - Google Patents
Method of erecting a storage assemblyInfo
- Publication number
- CA1137890A CA1137890A CA000371651A CA371651A CA1137890A CA 1137890 A CA1137890 A CA 1137890A CA 000371651 A CA000371651 A CA 000371651A CA 371651 A CA371651 A CA 371651A CA 1137890 A CA1137890 A CA 1137890A
- Authority
- CA
- Canada
- Prior art keywords
- support wall
- liner
- wall
- over
- flap
- 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
Links
Classifications
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
- A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
- A01F25/14—Containers specially adapted for storing
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H7/00—Construction or assembling of bulk storage containers employing civil engineering techniques in situ or off the site
- E04H7/22—Containers for fluent solids, e.g. silos, bunkers; Supports therefor
- E04H7/24—Constructions, with or without perforated walls, depending on the use of specified materials
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/51—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture specially adapted for storing agricultural or horticultural products
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Catching Or Destruction (AREA)
Abstract
ABSTRACT OF THE DISCLOSURE
A method of assembling a portable structure on a surface for storage of material such as grain comprises erecting a first portion of a wire mesh outer support wall in a semi-circle, then fastening to the erected portion of the support wall a portion of a flexible single piece plastic liner which has a circular floor extending at its periphery into a cylindrical wall with an open top. The remaining portion of the wire mesh support wall is then erected to form a closed circle and the plastic liner is fastened thereto. An upper portion of the cylindrical wall of the plastic liner is draped over the top of the support wall, while the top of the support wall is temporarily anchored. The structure is filled with grain up to the level of the top of the support wall at the periphery, the grain forming a cone towards the centre.
The top of the structure is entirely open during this filling procedure. Finally, the temporary anchoring is removed and the open top of the plastic liner is brought together over the cone of grain to enclose it.
A method of assembling a portable structure on a surface for storage of material such as grain comprises erecting a first portion of a wire mesh outer support wall in a semi-circle, then fastening to the erected portion of the support wall a portion of a flexible single piece plastic liner which has a circular floor extending at its periphery into a cylindrical wall with an open top. The remaining portion of the wire mesh support wall is then erected to form a closed circle and the plastic liner is fastened thereto. An upper portion of the cylindrical wall of the plastic liner is draped over the top of the support wall, while the top of the support wall is temporarily anchored. The structure is filled with grain up to the level of the top of the support wall at the periphery, the grain forming a cone towards the centre.
The top of the structure is entirely open during this filling procedure. Finally, the temporary anchoring is removed and the open top of the plastic liner is brought together over the cone of grain to enclose it.
Description
1~3~8~3() This application is a division of application Serial No. 305,673 filed June 16, 1978.
This invention relates to a method of assembling a portable structure particularly suited for use as a bin for storage of agricultural products such as grain.
Grain storage can be a problem for farmers because the volume required to be stored varies greatly from time to time and place to place. It is often not economically feasible for a farmer to maintain a permanent grain storage facility capable of handling the maximum amount of grain which he might wish to store.
Maximum storage requirements cannot be predicted since they occur as a result of such diverse and uncertain factors as crop yield, market conditions, transportation, weather, etc.
It is thus desirable that a portable storage means be available which can be stocked by local dealers and can be purchased and transported by the farmer for quick and immediate erection.
Accordingly, it is the object of this invention to provide a method of erecting a portable structure which can be carried out with a minimum of labour, skill and time.
In accordance with this invention there is provided a method of assembling a portable structure on a surface for storage of material such as grain, comprising the steps of (a) erecting a first portion of a wire mesh outer support wall in a semi-circle; (b) fastening to the erected portion of the support wall a portion of a flexible single piece plastic liner having a circular floor extending at its periphery into a cylindrical wall with an open top;
This invention relates to a method of assembling a portable structure particularly suited for use as a bin for storage of agricultural products such as grain.
Grain storage can be a problem for farmers because the volume required to be stored varies greatly from time to time and place to place. It is often not economically feasible for a farmer to maintain a permanent grain storage facility capable of handling the maximum amount of grain which he might wish to store.
Maximum storage requirements cannot be predicted since they occur as a result of such diverse and uncertain factors as crop yield, market conditions, transportation, weather, etc.
It is thus desirable that a portable storage means be available which can be stocked by local dealers and can be purchased and transported by the farmer for quick and immediate erection.
Accordingly, it is the object of this invention to provide a method of erecting a portable structure which can be carried out with a minimum of labour, skill and time.
In accordance with this invention there is provided a method of assembling a portable structure on a surface for storage of material such as grain, comprising the steps of (a) erecting a first portion of a wire mesh outer support wall in a semi-circle; (b) fastening to the erected portion of the support wall a portion of a flexible single piece plastic liner having a circular floor extending at its periphery into a cylindrical wall with an open top;
- 2 -113~f ~0 (c) erecting the remaining portion of the wire mesh support wall to form a closed circle and fastening the plastic liner thereto; (d) draping an upper portion of the cylindrical wall of the plastic liner over the top of the support wall; (e) temporarily anchoring the top of the support wall; (f) filling the structure with said material up to the level of the top of the support wall at the periphery with the material forming a cone towards the centre, the top of the structure being entirely open during such filling step; and (g) removing the temporary anchoring and bringing together the open top of the plastic liner over said cone to enclose said material.
In drawings which illustrate embodiments of the invention, Figure 1 illustrates a filled storage structure when sealed.
Figure 2 is a sectional view through the centre of the illed structure illustrated in Figure 1.
Figures 3A to 3I illustrate stages in the erection and filling procedure.
Figure 4 illustrates the structure fitted with a generally conical cover.
Figure 5 illustrates s~iral connecting means for connecting the ends of a wire mesh wall.
Figure 6 is an enlarged fragmentary view of a portion of Figure 3F with part of the liner cut away.
Figure 7 is a section on 7-7 in Figure 6.
These drawings and the description below include features that are claimed in one or other of further divisional applications Serial Nos. 3~Gs-o and 37/~Z_ filed concurrently herewith.
1~37~
DESCRIPTION OF PREFERRED EMBODIMENTS
As shown in Figures 1 and 2, an assembled structure comprises a flexible, plastic liner 12 having a circular floor 12a extending at its periphery into a cylindrical wall 12b. Before filling the wall 12b has an open top.
After filling, the upper part of the wall 12b is folded in to form a roof portion 12c and provide a weatherproof enclosure. An external supporting wall 10 provides lateral support to the plastic liner 12. The wall 10 which is cylindrical in form is composed of wire mesh strip and is anchored to the ground by pegs 17.
Mounted along the top of the wall 10 is a protective strip of plastic tubing 13 having an opening at the bottom thereof fitted over the top edge of the wire mesh of the wall 10. The plastic tubing 13 is adapted to protect the liner 12 against being torn by the top of the wall 10 during assembly of the structure and during loading and unloading. Cords 23 are fixed to the top of the wall portion of the liner for the purpose of securing it closed, after filling. Ties 20 are fixed to the outside 7~
of the li;ler ~bove its 100r portion for the purpose of . securing the liner to the wall 10. It has been found that i~ is of assistance in the erection of the structure to have a line 2~ on the inside surface of the wall portion 12b of the liner coinciding with the top of the wall 10, when assembled. It is also useful for assembly purposes to have a seam or line 26 marking a diameter on the floor portion 12a.
The structure can be erected by two men in the following steps.
(a) Using a peg 50 and a cord 51 (Fig. 3A), two concentric circles are marked on the ground.
(b) Pegs 17, 18 are driven into the ground (Figs. 3B
and 3C) at regular intervals on the two circles.
(c) One half lOa of the wire mesh strip (Fig. 3Cj which forms the outer wall, is unwound and is set up in a half circle immediately inside the inner circle of pegs 17. Part of the rodent guard ~3 (see below) is placed at this time inside the base o~ the standing wire mesh strip.
(d) The bottom wire of the mesh lOa is hooked under the hooks of pegs 17.
(e) The liner 12 is fastened to the wire mesh lOa by means of ties 20 which are attached to the liner (Fig. 3D).
The entire liner 12 is then completely placed inside the inner circle of pegs.
(f) The remaining half lOb of the wire mesh strip is uncoiled, positioned inside the inner circle and hooked to the remaining pegs 17 (Fig. 3E). The remaining portion of the rodent guard 43 is positioned between the liner and the wire mesh strip. The ends of the wire mesh strip are over~apped and are firmly secured (see below), to complete the circular wall.
1~3~89~) (g) The protective plastic tubiny ]3 (Fig. 2) is then mounted on top of the wire mesh circular wall 10, remaining ties 20 on the liner 12 are tied to the wire mesh and the top portion 12d of the cylindrical wall 12b of tile plastic liner 12 is draped over the top of the wall 10 (Fig. 3F) with an excess of material lying on the ground at 12e. At this point it will be seen that the diametrical line 26 on the floor 12a of the liner should be straight, the line 25 marking the outside of the floor 12a should coincide with the bottom of the wall 12b and the line 24 on the inside of the liner wall 12b should coincide with the top of the wall 10.
(h) In order to temporarily secure the structure against winds until it is filled, it is anchored by means of hooks 27 (Figs. 3F and 6) which are attached to the pegs 18 in the outer circle by cords 19. Hooks 27 are adapted to prevent snagging or tearing of the liner ]2.
- (i) The structure which is shown in Figure 3F is now ready for filling. The ability to load and unload the bin structure with the top completely open avoids the danger associated with filling closed containers with grain.
During filling the auger 54 should be placed directly over the centre of the structure (Fig. 3G). It will be appreciated that, in filling the bin, the top of the grain assumes a conical shape 55 with an angle corresponding to the angle of repose of the grain.
(j) After the bin has been filled the anchoring means 18, 19 and 27 are removed and the upper portion 12d of the cylindrical wall 12b of the plastic liner 12 which has been draped over the support wall 10 is placed over the top of the grain (Fig. 3H) to form the roof portion 1. c. The lin~r 12 top is then gathered at the centre and passed through a hoop 22 and the resultin~ flap 15 is tied down to the wall 10 by means of the cords 23 (Fig. 3I).
Since the angle of the top surface of the grain is the angle of repose of the grain, the upper portion of the liner wall 12b which forms the roof 12c merely rests against the grain and there is no lateral pressure on this portion of the liner and hence no need for additional support. In the event that aeration of the contents of the structure is required flap 15 may be untied and an aerator introduced through the opening in the liner inside the hoop 22.
(k) A netting 11 (Figs. 1 and 2) is then placed over the entire roof portion 12c of the structure and is secured to the wall 10 in order to prevent disturbances by high winds.
(1) In an alternative embodiment (Fig. 4) the netting 11 is replaced by a cover 30 of a ~enerally truncated conical shape. The lining 12 and the cover 30 are composed of a ~ en polyethylene sold under the trade mark F~BRENE.
(m` The structure also includes a rodent guard (Figs.
4, 5, 6 and 7) consisting of a flexible strip of metal 43 approximately one foot wide and of a length slightly greater than the diameter of the structure. This strip is placed between the lining 12 and the outer wall 10 in order to deter rodents from eating through the lining.
(n) The appratus also includes a device for connect-ing together the two ends of the wire mesh outer wall 10 consisting of wire coils 42 having a pitch of approximately one inch and a diameter of approximately one inch. In order to attach the ends of the outer wall the ends of the 1~37~
wire ~c~ih strip are placed together and overlapped at 41 and each coil 42 is threaded into place by a screwing action so that it surrounds and connects respective vertical wires on opposite ends of the wire mesh strip.
It should be appreciated that modifications in the arrangements shown may be made without departing from the true spirit of the inventlon. Therefore, all such modifications and equivalents are considered to fall in the scope of the appended claims.
In drawings which illustrate embodiments of the invention, Figure 1 illustrates a filled storage structure when sealed.
Figure 2 is a sectional view through the centre of the illed structure illustrated in Figure 1.
Figures 3A to 3I illustrate stages in the erection and filling procedure.
Figure 4 illustrates the structure fitted with a generally conical cover.
Figure 5 illustrates s~iral connecting means for connecting the ends of a wire mesh wall.
Figure 6 is an enlarged fragmentary view of a portion of Figure 3F with part of the liner cut away.
Figure 7 is a section on 7-7 in Figure 6.
These drawings and the description below include features that are claimed in one or other of further divisional applications Serial Nos. 3~Gs-o and 37/~Z_ filed concurrently herewith.
1~37~
DESCRIPTION OF PREFERRED EMBODIMENTS
As shown in Figures 1 and 2, an assembled structure comprises a flexible, plastic liner 12 having a circular floor 12a extending at its periphery into a cylindrical wall 12b. Before filling the wall 12b has an open top.
After filling, the upper part of the wall 12b is folded in to form a roof portion 12c and provide a weatherproof enclosure. An external supporting wall 10 provides lateral support to the plastic liner 12. The wall 10 which is cylindrical in form is composed of wire mesh strip and is anchored to the ground by pegs 17.
Mounted along the top of the wall 10 is a protective strip of plastic tubing 13 having an opening at the bottom thereof fitted over the top edge of the wire mesh of the wall 10. The plastic tubing 13 is adapted to protect the liner 12 against being torn by the top of the wall 10 during assembly of the structure and during loading and unloading. Cords 23 are fixed to the top of the wall portion of the liner for the purpose of securing it closed, after filling. Ties 20 are fixed to the outside 7~
of the li;ler ~bove its 100r portion for the purpose of . securing the liner to the wall 10. It has been found that i~ is of assistance in the erection of the structure to have a line 2~ on the inside surface of the wall portion 12b of the liner coinciding with the top of the wall 10, when assembled. It is also useful for assembly purposes to have a seam or line 26 marking a diameter on the floor portion 12a.
The structure can be erected by two men in the following steps.
(a) Using a peg 50 and a cord 51 (Fig. 3A), two concentric circles are marked on the ground.
(b) Pegs 17, 18 are driven into the ground (Figs. 3B
and 3C) at regular intervals on the two circles.
(c) One half lOa of the wire mesh strip (Fig. 3Cj which forms the outer wall, is unwound and is set up in a half circle immediately inside the inner circle of pegs 17. Part of the rodent guard ~3 (see below) is placed at this time inside the base o~ the standing wire mesh strip.
(d) The bottom wire of the mesh lOa is hooked under the hooks of pegs 17.
(e) The liner 12 is fastened to the wire mesh lOa by means of ties 20 which are attached to the liner (Fig. 3D).
The entire liner 12 is then completely placed inside the inner circle of pegs.
(f) The remaining half lOb of the wire mesh strip is uncoiled, positioned inside the inner circle and hooked to the remaining pegs 17 (Fig. 3E). The remaining portion of the rodent guard 43 is positioned between the liner and the wire mesh strip. The ends of the wire mesh strip are over~apped and are firmly secured (see below), to complete the circular wall.
1~3~89~) (g) The protective plastic tubiny ]3 (Fig. 2) is then mounted on top of the wire mesh circular wall 10, remaining ties 20 on the liner 12 are tied to the wire mesh and the top portion 12d of the cylindrical wall 12b of tile plastic liner 12 is draped over the top of the wall 10 (Fig. 3F) with an excess of material lying on the ground at 12e. At this point it will be seen that the diametrical line 26 on the floor 12a of the liner should be straight, the line 25 marking the outside of the floor 12a should coincide with the bottom of the wall 12b and the line 24 on the inside of the liner wall 12b should coincide with the top of the wall 10.
(h) In order to temporarily secure the structure against winds until it is filled, it is anchored by means of hooks 27 (Figs. 3F and 6) which are attached to the pegs 18 in the outer circle by cords 19. Hooks 27 are adapted to prevent snagging or tearing of the liner ]2.
- (i) The structure which is shown in Figure 3F is now ready for filling. The ability to load and unload the bin structure with the top completely open avoids the danger associated with filling closed containers with grain.
During filling the auger 54 should be placed directly over the centre of the structure (Fig. 3G). It will be appreciated that, in filling the bin, the top of the grain assumes a conical shape 55 with an angle corresponding to the angle of repose of the grain.
(j) After the bin has been filled the anchoring means 18, 19 and 27 are removed and the upper portion 12d of the cylindrical wall 12b of the plastic liner 12 which has been draped over the support wall 10 is placed over the top of the grain (Fig. 3H) to form the roof portion 1. c. The lin~r 12 top is then gathered at the centre and passed through a hoop 22 and the resultin~ flap 15 is tied down to the wall 10 by means of the cords 23 (Fig. 3I).
Since the angle of the top surface of the grain is the angle of repose of the grain, the upper portion of the liner wall 12b which forms the roof 12c merely rests against the grain and there is no lateral pressure on this portion of the liner and hence no need for additional support. In the event that aeration of the contents of the structure is required flap 15 may be untied and an aerator introduced through the opening in the liner inside the hoop 22.
(k) A netting 11 (Figs. 1 and 2) is then placed over the entire roof portion 12c of the structure and is secured to the wall 10 in order to prevent disturbances by high winds.
(1) In an alternative embodiment (Fig. 4) the netting 11 is replaced by a cover 30 of a ~enerally truncated conical shape. The lining 12 and the cover 30 are composed of a ~ en polyethylene sold under the trade mark F~BRENE.
(m` The structure also includes a rodent guard (Figs.
4, 5, 6 and 7) consisting of a flexible strip of metal 43 approximately one foot wide and of a length slightly greater than the diameter of the structure. This strip is placed between the lining 12 and the outer wall 10 in order to deter rodents from eating through the lining.
(n) The appratus also includes a device for connect-ing together the two ends of the wire mesh outer wall 10 consisting of wire coils 42 having a pitch of approximately one inch and a diameter of approximately one inch. In order to attach the ends of the outer wall the ends of the 1~37~
wire ~c~ih strip are placed together and overlapped at 41 and each coil 42 is threaded into place by a screwing action so that it surrounds and connects respective vertical wires on opposite ends of the wire mesh strip.
It should be appreciated that modifications in the arrangements shown may be made without departing from the true spirit of the inventlon. Therefore, all such modifications and equivalents are considered to fall in the scope of the appended claims.
Claims (4)
1. A method of assembling a portable structure on a surface for storage of material such as grain, comprising the steps of (a) erecting a first portion of a wire mesh outer support wall in a semi-circle;
(b) fastening to the erected portion of the support wall a portion of a flexible single piece plastic liner having a circular floor extending at its periphery into a cylindrical wall with an open top;
(c) erecting the remaining portion of the wire mesh support wall to form a closed circle and fastening the plastic liner thereto;
(d) draping an upper portion of the cylindrical wall of the plastic liner over the top of the support wall;
(e) temporarily anchoring the top of the support wall;
(f) filling the structure with said material up to the level of the top of the support wall at the periphery with the material forming a cone towards the centre, the top of the structure being entirely open during such filling step; and (g) removing the temporary anchoring and bringing together the open top of the plastic liner over said cone to enclose said material.
(b) fastening to the erected portion of the support wall a portion of a flexible single piece plastic liner having a circular floor extending at its periphery into a cylindrical wall with an open top;
(c) erecting the remaining portion of the wire mesh support wall to form a closed circle and fastening the plastic liner thereto;
(d) draping an upper portion of the cylindrical wall of the plastic liner over the top of the support wall;
(e) temporarily anchoring the top of the support wall;
(f) filling the structure with said material up to the level of the top of the support wall at the periphery with the material forming a cone towards the centre, the top of the structure being entirely open during such filling step; and (g) removing the temporary anchoring and bringing together the open top of the plastic liner over said cone to enclose said material.
2. The method of claim 1, including mounting a protec-tive means along the top of the wire mesh support wall before said step of draping the cylindrical wall of the liner thereover.
3. The method of claim 1 or 2, including the prelimin-ary step of marking a pair of concentric circles on the surface and inserting pegs at intervals around said circles, the support wall being erected immediately inside the inner of these circles and secured to the pegs of such inner circle, and the temporary anchoring of the top of the support wall taking place between such top and the pegs of the outer circle.
4. The method of claim 1 or 2, wherein the step of bringing together the open top of the liner includes pass-ing some of such liner through a hoop to draw it over the cone of stored material and thereby form a flap, turning said flap over to close the top of the structure and securing said flap.
The method of claim 1 or 2, wherein the step of bringing together the open top of the liner includes pass-ing some of such liner through a hoop to draw it over the cone of stored material and thereby form a flap, turning said flap over to close the top of the structure, securing said flap, and finally placing netting to prevent distur-bance of the structure by wind over the entire conical portion and securing such netting to the support wall.
The method of claim 1 or 2, wherein the step of bringing together the open top of the liner includes pass-ing some of such liner through a hoop to draw it over the cone of stored material and thereby form a flap, turning said flap over to close the top of the structure, securing said flap, and finally placing netting to prevent distur-bance of the structure by wind over the entire conical portion and securing such netting to the support wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000371651A CA1137890A (en) | 1981-02-24 | 1981-02-24 | Method of erecting a storage assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000371651A CA1137890A (en) | 1981-02-24 | 1981-02-24 | Method of erecting a storage assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1137890A true CA1137890A (en) | 1982-12-21 |
Family
ID=4119286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000371651A Expired CA1137890A (en) | 1981-02-24 | 1981-02-24 | Method of erecting a storage assembly |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA1137890A (en) |
-
1981
- 1981-02-24 CA CA000371651A patent/CA1137890A/en not_active Expired
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |