US1451967A - Tank - Google Patents
Tank Download PDFInfo
- Publication number
- US1451967A US1451967A US479215A US47921521A US1451967A US 1451967 A US1451967 A US 1451967A US 479215 A US479215 A US 479215A US 47921521 A US47921521 A US 47921521A US 1451967 A US1451967 A US 1451967A
- Authority
- US
- United States
- Prior art keywords
- side wall
- tank
- packing
- seam
- groove
- 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 - Lifetime
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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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/08—Interconnections of wall parts; Sealing means therefor
Definitions
- My invention relates to the construction of tanks, and has forits object to provide a container for the storage of oil, water,
- the principal ob- ]ect ofthe linvention is to provide 'a tank which may be easily-set up and knocked down or disassembled, and lin 'which the parts are socombined as to minimize the ,possibility of leakage.
- the primary feature 'of the invention consists in forming the side wall of a tank with a seam or seams involving overlapping interlocke'd portions, the
- a further feature of' the invention consists in constructing the ⁇ tank with a bottom and with a side wall formed with one or more seams comprising overlapping interlocked portions and in vproviding means for ex-v panding the saidwall to tighten the -inter locking relation of the said ⁇ overlapping portions.
- FIG. 1 is a vertical sectional view of a tank embodying the invention.
- v F1 re 2 is an enlarged detail view in side elevation of the side seam portion of the tank.
- Figure 3 is an enlarged horizontal section Y on the line'3'3, Fig. 2.
- Figure 4 is a detail sectional view on the line 4- 4, Fig. 2.
- Figure 5 is -adetail vertical section on the lineI 5 5, Fig. 2.
- Figure 6 is a view corresponding to Fig. 5 lbut illustrating the manner in which the flange at the bottom.' edge of the side portion of the tank lis pressed inwardly as the side wall and bottom member of the tank are drawn together in assembled relation.
- Figure 7 is a'- diagrammatic view illustrating the constructionof theside wall of the tank as a continuous sheet of metal having ⁇ - but asingle side seam.
- Figure 8 is a diagrammatic view illustrating the side wall of the tank as composed of a series of interlocked-sheets or sections.
- the tank may be made of any size. desired. Comparatively small tanks, say ofthe caacity of thirty barrels, may, as indicated in ig. 7, have their side walls formed from i a single sheet of metal.' For vtanks of large capacity it is preferred to construct the .side wall thereof from a 'suitable number of iliterlocked sheets, as indicated diagrammatically in Fig. 8. Y
- the side wall 1 of the tank is fashioned from sheet metal, preferably steel, and, depending 'upon the number of separate sheets employed in its construction, is fprovided 10o with one or more side seams or ljoints 2.
- Each of these side seams comprises folded hook'like portionsA 3 which are adapted to overlap in interlocking relation and betweenv which a suitable packing 4, such as sheet we lead, may be interposed.
- the edges, of the sheets of the side wall may be rolled to forma bead 5 ⁇ which' is adapted to bear firmly against the packing 4'witbout cutting the latter, but if the steel be under 12 ge 11o the bead for bearing against the packing may be formed bv merely bending the edges of the said sheets.
- the means for retaining the folds or hooked portions 3 of the side wall of the tank in assembled relation preferably consist of a plurality of perforated angle irons 6 which are rigidly secured to the exterior of the side wall on opposite sides of each seam., a plurality7 of threaded rods 7 beingpassed through the perforations in the angle irons and nuts S located between and bearing against the angle irons being employed to force the said angle irons apart so as to expand the side wall of the. tank and thereby force the interlocked hooks or folded portions 3 thereof firmly 'against the interposed packing 4.
- the angle irons 6 may be conveniently secured to the side wall of the tank by spot welding, as indicated at 9, since such a.
- the lower edgeof the side wall 1 is preferably formed withashort fold 10 providing a slight V or resilient wedge which is adapted to enter the groove or channel 11 of a packing ring 12 located within al groove 13 with which the bottom member 14 of the tank is provided at its periphery.
- ashort fold 10 providing a slight V or resilient wedge which is adapted to enter the groove or channel 11 of a packing ring 12 located within al groove 13 with which the bottom member 14 of the tank is provided at its periphery.
- each side seam 2 of the tank may, if desired, be scarfed to form a wedge for entering the channel of the f' may be cast in place in the groove 13 of the tank bottom by employing a ll-shaped ring or mold which is properly spaced in said groove and around which the molten lead is poured.
- the lead of the packing ring 12 may be hammered into close contact with the lower end of the side seam 2 when the tank is set up, or a small ladleful of lead 'may be poured in at the junction of each side seam with the bottom of the tank.
- the tank is to be provided with a top 16 said top may be constructed in the same manner as the bottom 14 and may be combined with the side wall k1 in the same manner as the bottom is combined therewith. Accordingly corresponding reference numerals have been applied to the features forming the joint between the top 16 and the side wall 1 of the tank.
- rlfhe packing rings 12 are preferably clamped between the side wall 1 and the bottom and top, 14 and 16, respectively, of the tank by means of a plurality of strain rods 1.7. These rods may be provided at their upper endswith hooks 18 which overlappingly engage the top 16 and may be threaded at their lower ends to receive nuts 19. The threaded ends of the respective strain rods 17 pass through suitable apertures in .corresponding hook like clamp members 20 which pass beneath and engage the lower side of the bottom ofthe tank. By screwing the nuts 19'upon the strain rods the bottom 14 and top 16 of the tank will be drawn toward each other to force the edges of the side wall of the tank firmly into the channeled packing rings 12.
- All pipe openings into the tank may be located to suit the particular purpose ⁇ for which the tank is employed, and the top of the tank may be provided with a man hole 21.
- a tank having a bottom, a side wall formed with a seam comprising overlapping interlocked portions, and means for expanding said side wall to tighten the interlocking relation of said overlapping portions.
- a tank having a bottom, a side wall formed with a seam comprising interlocked folded portions of said side wall, and means for retaining said folded portions in interlocked relation, said means being adapted toy effect a spreading or separating movement of portions of said wall lying adjacent to and on opposite sides of said seam.
- a tank having a bottom, a side wall formed with a seam involving interlocked folded portions of said side wall, packing means interposed between said folded portions, and means for expanding said side walls to force said folded-portions into operative engagement with said packingmeans.
- a tank having a bottom, a side wall formed With a seam involving interlocked folded portions of saidv side wall, packing means interposedbetween said folded portions, means for expanding said side wall to force said folded portions into operative engagement with said -packing means, and means for securing said bottom to said side Wall.
- a tank comprising a bottom having a marginal groove therein, an imperforate channeled packing arranged in said groove, a side wall having a Wedge portion extending into said groove and into the channel in said packing,'and means for causing said packing to be clamped between said bottom and said side wall.
- a tank comprising abottom having a marginal groove therein, a packing arranged in said groove, aside wallhaving a fold forming a wedge extending intosaid groove and engaging said packing, and means for -maintainingsaid bottom, packing and side wall in assembled relation 8.
- a tank com rising a bottom having a. marginal grove t erein, a packing arranged in said groove, a side wall having at its lower edge a resilient fold extending into vsaid groove and engaging said packing, and means for causing said packing to be clamped between said bottom and said side wall.
- a tank comprising a bottom having a marginal groove therein, a channeled packing arranged in said groove, a side wall having a thickened lower edge entering said channel and forming a rounded bearing surface engaging said packing, and means for forcing said side wall toward the bottom of said groove to cause said packingto be clamped between said bottom and said rounded bearing surface.
- a tank having a bottom, a side wall comprised of a plurality of sections each ⁇ provided with a plurality of folded portions, each vof said folded portions being adapted to interlock-With an adjacent folded portion ef another of said sections, andf means for expanding said side wall to ti hten the interlocking relation of said ftded portions.
- a tank having a bottom, a side wall formed with a seam comprising interlocked folded-portions of said side wall, and means for retaining said folded portions in interlocked relation, said means involving a plurality of members rigidly secured ,to said side wall on opposite sides of said seam, and means for forcing said members apart.
- 'A tank having a bottom, a side wall formed with a seam comprising'interlocked folded portions of said side Wall, and means for retaining said folded portions in interlocked relation, said means involving'a plurality of perforated membersrigidly secured to said side wall on opposite sides of said seam, threaded rods extending through ⁇ corresponding perforations of said perforated members, and nuts having threaded engagement with said rods and located between gud bearing against said perforated memers.
- a tank having -a bottom, a side wall formed with 'a seam comprisin folded portions of said side wa 1, and means forretaining said folded portions in interlocked relation, said means involvinga plurality of perforated angle irons rigidly secured to the exterior of said side wall on opposite sides of said seam, a plurality of threaded rods extending through said per- 'forations, and nuts cooperating with said rods and said angle irons for causing a sepa rating movement of the latter.
- a tank comprising a bottom having a marginal groove therein, a packing arranged 'in said groovea sidewall 'formed with a seam comprising interlocked folded portions, means for expanding-said side wall to tighten 4the interlocked relation of said folded portions, and means' for causing said packing to be clamped between said bottoni and the llower edge of said s1de wall, said interlocked last named means involving a plurality of clamps engaging the exterior of said bottom, and strain rods respectively connected to said ⁇ clampsand operatively -interposed between said clamps and said side wall.
- a tank comprising a bottom 'having a marginal groove therein, a packing arranged in said groove, a top having a marginal groove therein, a side wall extending into said grooves and formed 'vvlth a seam comprising interlockedV folded portions, means for expandin said side wall to tighten the interlocke relation of ⁇ said folded portions, and means for causing said side wall to be clamped between said top and the said packing, said last named means comprising a lurality of clamps engagin the exterior o said bottom, and strain ro s re.- spectively connected to said clamps and operating to draw said top and said bottom toward each other.
- a tank comprising a bottom having a marginal groove therein, a packing arranged in said groove,'a side wall extending mto said grooves and formed with a seam involving interlocked folded portions of said side Wall, packing mea-ns interposed between said folded portions, means for expanding said side Wall to force said folded portions into operative engagement with said packing means, and means for drawing said top and said bottom toward said side Wall to retain said parts in assembled relation, said last named means involving a plurality of clamps and a plurality of strain rods operatively connecting said top and bottom.
- a tank having a bottomv and a side 1e Wall, said side Wall having a seam involving overlapping interlocked portions, and said interlocked ortions being adapted upon an increase in tie. diameter of said side Wall to he forced in a direction to e ⁇ ect the tighten- ⁇ 15
Description
Patented Apr. l?, 1923.'
' retrata 4einer carica.
TANK.
Application filed June '21,
, Wood and State of West Virginia', have invented certain new and useful Improvements in Tanks; and I do hereby declare the fol'- lowing to be a full, clear, and exact description of the invention, such as will enable others skilled in the a'rt to which it appertains to make 'and use the. same.
My invention relates to the construction of tanks, and has forits object to provide a container for the storage of oil, water,
gasoline or other liquid. The principal ob- ]ect ofthe linvention is to provide 'a tank which may be easily-set up and knocked down or disassembled, and lin 'which the parts are socombined as to minimize the ,possibility of leakage.
The primary feature 'of the invention, generally stated, consists in forming the side wall of a tank with a seam or seams involving overlapping interlocke'd portions, the
' 25 said interlocked portions being adapted,
upon an increase in the diameter of the said wall portion of the tank, to'be forced in a direction to produce the tightening of said Seam O1' seams. Y
A further feature of' the invention consists in constructing the `tank with a bottom and with a side wall formed with one or more seams comprising overlapping interlocked portions and in vproviding means for ex-v panding the saidwall to tighten the -inter locking relation of the said` overlapping portions.
1 Another feature of the invention consists.
, in constructing'a tank with a bottom having o a marginallgroove within which a packing' channel of the packing, and means for caus.
ing the packing to be clamped between the vbottom member of the vtank and the lower edge-of the tank side wall, the `sald ans 1921. 'Serial No. 479,215.
involving a plurality. of clamps engaging the exterior of the tank bottom, and strain rods respectively connected to the clamps and operatively interposed between said clamps and the sidewall. of the tank. 4 I
In the drawings chosen for the purpose of illustrating the invention, the scope whereof is pointed out in the clainusr-` Figure 1 is a vertical sectional view of a tank embodying the invention.
v F1 re 2 is an enlarged detail view in side elevation of the side seam portion of the tank. Y
Figure 3 is an enlarged horizontal section Y on the line'3'3, Fig. 2. 1 Figure 4 is a detail sectional view on the line 4- 4, Fig. 2.
Figure 5 is -adetail vertical section on the lineI 5 5, Fig. 2.
Figure 6 is a view corresponding to Fig. 5 lbut illustrating the manner in which the flange at the bottom.' edge of the side portion of the tank lis pressed inwardly as the side wall and bottom member of the tank are drawn together in assembled relation.
Figure 7 is a'- diagrammatic view illustrating the constructionof theside wall of the tank as a continuous sheet of metal having`- but asingle side seam.
Figure 8 is a diagrammatic view illustrating the side wall of the tank as composed of a series of interlocked-sheets or sections.
The tank may be made of any size. desired. Comparatively small tanks, say ofthe caacity of thirty barrels, may, as indicated in ig. 7, have their side walls formed from i a single sheet of metal.' For vtanks of large capacity it is preferred to construct the .side wall thereof from a 'suitable number of iliterlocked sheets, as indicated diagrammatically in Fig. 8. Y
The side wall 1 of the tank is fashioned from sheet metal, preferably steel, and, depending 'upon the number of separate sheets employed in its construction, is fprovided 10o with one or more side seams or ljoints 2. v Each of these side seams comprises folded hook'like portionsA 3 which are adapted to overlap in interlocking relation and betweenv which a suitable packing 4, such as sheet we lead, may be interposed. The edges, of the sheets of the side wall may be rolled to forma bead 5` which' is adapted to bear firmly against the packing 4'witbout cutting the latter, but if the steel be under 12 ge 11o the bead for bearing against the packing may be formed bv merely bending the edges of the said sheets.
The means for retaining the folds or hooked portions 3 of the side wall of the tank in assembled relation preferably consist of a plurality of perforated angle irons 6 which are rigidly secured to the exterior of the side wall on opposite sides of each seam., a plurality7 of threaded rods 7 beingpassed through the perforations in the angle irons and nuts S located between and bearing against the angle irons being employed to force the said angle irons apart so as to expand the side wall of the. tank and thereby force the interlocked hooks or folded portions 3 thereof firmly 'against the interposed packing 4. .The angle irons 6 may be conveniently secured to the side wall of the tank by spot welding, as indicated at 9, since such a. form of construction affords no opportunity for leakage such as would be present in case bolts or rivets were employed to retain the angle irons in place. lit will be observed that the seam 2 constituted by the overlapping interlocked portions 3 of the side wall of the tank is so formed that the pressure caused by theI liquid within the tank tends to increase the tightness of vthe seam, thereby ensuring against leakage.
The lower edgeof the side wall 1 is preferably formed withashort fold 10 providing a slight V or resilient wedge which is adapted to enter the groove or channel 11 of a packing ring 12 located within al groove 13 with which the bottom member 14 of the tank is provided at its periphery. Such a construction makes a` very effective joint between the bottom and the side wall of the tank, for when the folded lower edge of the side wall vis forced into the channel of the packing 12 the resiliency of the fold or flange 10 causes the side wall 1 to press tightly against the opposed interior faces of the channeled packing.
When the lower edge of the side wall of the tank is formed with a fold 10 it is preferred, a-s illustrated in Fig. 4, to cut away or omit said fold at the point where each side seam 2 of the tank occurs, thus leaving the portion of the side seam which enters the groove 11 of the bottom packing 12 composed of but four thicknesses of the side wall plate. The lower end of each side seam 2 may, if desired, be scarfed to form a wedge for entering the channel of the f' may be cast in place in the groove 13 of the tank bottom by employing a ll-shaped ring or mold which is properly spaced in said groove and around which the molten lead is poured. If necessary, the lead of the packing ring 12 may be hammered into close contact with the lower end of the side seam 2 when the tank is set up, or a small ladleful of lead 'may be poured in at the junction of each side seam with the bottom of the tank. v
lf the tank is to be provided with a top 16 said top may be constructed in the same manner as the bottom 14 and may be combined with the side wall k1 in the same manner as the bottom is combined therewith. Accordingly corresponding reference numerals have been applied to the features forming the joint between the top 16 and the side wall 1 of the tank.
All pipe openings into the tank may be located to suit the particular purpose` for which the tank is employed, and the top of the tank may be provided with a man hole 21.
While my Vinvention has been illustrated as embodied in a tank of cylindrical form, it will be appreciated that its shape may be yaried without departing from the spirit of the invention or from the scope of the claims.
1; A tank having a bottom, a side wall formed with a seam comprising overlapping interlocked portions, and means for expanding said side wall to tighten the interlocking relation of said overlapping portions.
2. A tank having a bottom, a side wall formed with a seam comprising interlocked folded portions of said side wall, and means for retaining said folded portions in interlocked relation, said means being adapted toy effect a spreading or separating movement of portions of said wall lying adjacent to and on opposite sides of said seam.
3. A tank having a bottom, a side wall formed with a seam involving interlocked folded portions of said side wall, packing means interposed between said folded portions, and means for expanding said side walls to force said folded-portions into operative engagement with said packingmeans.
4. A tank having a bottom, a side wall formed With a seam involving interlocked folded portions of saidv side wall, packing means interposedbetween said folded portions, means for expanding said side wall to force said folded portions into operative engagement with said -packing means, and means for securing said bottom to said side Wall.
5. A tank-comprising' a bottom having a' marginal groove therein, a channeled packing arranged in said groove, a side wall having awedge--form lower edge extending into the channel of said packing, and means for forcing saidI side wall toward the bottom of said groove 'and into4 wedging. engagement with said packing.
6. A tank comprising a bottom having a marginal groove therein, an imperforate channeled packing arranged in said groove, a side wall having a Wedge portion extending into said groove and into the channel in said packing,'and means for causing said packing to be clamped between said bottom and said side wall.
7. A tank comprising abottom having a marginal groove therein, a packing arranged in said groove, aside wallhaving a fold forming a wedge extending intosaid groove and engaging said packing, and means for -maintainingsaid bottom, packing and side wall in assembled relation 8. A tank com rising a bottom having a. marginal grove t erein, a packing arranged in said groove, a side wall having at its lower edge a resilient fold extending into vsaid groove and engaging said packing, and means for causing said packing to be clamped between said bottom and said side wall.
9; A tank comprising a bottom having a marginal groove therein, a channeled packing arranged in said groove, a side wall having a thickened lower edge entering said channel and forming a rounded bearing surface engaging said packing, and means for forcing said side wall toward the bottom of said groove to cause said packingto be clamped between said bottom and said rounded bearing surface.
10. A tank having a bottom, a side wall comprised of a plurality of sections each `provided with a plurality of folded portions, each vof said folded portions being adapted to interlock-With an adjacent folded portion ef another of said sections, andf means for expanding said side wall to ti hten the interlocking relation of said ftded portions. i
l1. A tank having a bottom, a side wall formed with a seam comprising interlocked folded-portions of said side wall, and means for retaining said folded portions in interlocked relation, said means involving a plurality of members rigidly secured ,to said side wall on opposite sides of said seam, and means for forcing said members apart.
12. 'A tank having a bottom, a side wall formed with a seam comprising'interlocked folded portions of said side Wall, and means for retaining said folded portions in interlocked relation, said means involving'a plurality of perforated membersrigidly secured to said side wall on opposite sides of said seam, threaded rods extending through `corresponding perforations of said perforated members, and nuts having threaded engagement with said rods and located between gud bearing against said perforated memers.
13. A tank having -a bottom, a side wall formed with 'a seam comprisin folded portions of said side wa 1, and means forretaining said folded portions in interlocked relation, said means involvinga plurality of perforated angle irons rigidly secured to the exterior of said side wall on opposite sides of said seam, a plurality of threaded rods extending through said per- 'forations, and nuts cooperating with said rods and said angle irons for causing a sepa rating movement of the latter.
14.- A tank comprising a bottom having a marginal groove therein, a packing arranged 'in said groovea sidewall 'formed with a seam comprising interlocked folded portions, means for expanding-said side wall to tighten 4the interlocked relation of said folded portions, and means' for causing said packing to be clamped between said bottoni and the llower edge of said s1de wall, said interlocked last named means involving a plurality of clamps engaging the exterior of said bottom, and strain rods respectively connected to said` clampsand operatively -interposed between said clamps and said side wall.
15. A tank comprising a bottom 'having a marginal groove therein, a packing arranged in said groove, a top having a marginal groove therein, a side wall extending into said grooves and formed 'vvlth a seam comprising interlockedV folded portions, means for expandin said side wall to tighten the interlocke relation of `said folded portions, and means for causing said side wall to be clamped between said top and the said packing, said last named means comprising a lurality of clamps engagin the exterior o said bottom, and strain ro s re.- spectively connected to said clamps and operating to draw said top and said bottom toward each other. Y
16. A tank comprising a bottom having a marginal groove therein, a packing arranged in said groove,'a side wall extending mto said grooves and formed with a seam involving interlocked folded portions of said side Wall, packing mea-ns interposed between said folded portions, means for expanding said side Wall to force said folded portions into operative engagement with said packing means, and means for drawing said top and said bottom toward said side Wall to retain said parts in assembled relation, said last named means involving a plurality of clamps and a plurality of strain rods operatively connecting said top and bottom.
17. A tank having a bottomv and a side 1e Wall, said side Wall having a seam involving overlapping interlocked portions, and said interlocked ortions being adapted upon an increase in tie. diameter of said side Wall to he forced in a direction to e`ect the tighten- `15
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479215A US1451967A (en) | 1921-06-21 | 1921-06-21 | Tank |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US479215A US1451967A (en) | 1921-06-21 | 1921-06-21 | Tank |
Publications (1)
Publication Number | Publication Date |
---|---|
US1451967A true US1451967A (en) | 1923-04-17 |
Family
ID=23903108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US479215A Expired - Lifetime US1451967A (en) | 1921-06-21 | 1921-06-21 | Tank |
Country Status (1)
Country | Link |
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US (1) | US1451967A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2471296A (en) * | 1944-12-14 | 1949-05-24 | Thermoid Company | Jettison fuel tank |
US2573995A (en) * | 1947-03-03 | 1951-11-06 | Joseph T Sparling | Storage tank construction |
US2671573A (en) * | 1949-09-28 | 1954-03-09 | Knock Down Tanks Inc | Tank construction |
EP0471143A1 (en) * | 1990-02-28 | 1992-02-19 | Rudolf Dipl.-Ing. Hauner | Round container for containing wet and agressive materials, especially used for steeping, germinating and drying installations in malting houses |
US20100224136A1 (en) * | 2005-01-26 | 2010-09-09 | Papadoyianis Ernest D | Aquaculture production system |
-
1921
- 1921-06-21 US US479215A patent/US1451967A/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2471296A (en) * | 1944-12-14 | 1949-05-24 | Thermoid Company | Jettison fuel tank |
US2573995A (en) * | 1947-03-03 | 1951-11-06 | Joseph T Sparling | Storage tank construction |
US2671573A (en) * | 1949-09-28 | 1954-03-09 | Knock Down Tanks Inc | Tank construction |
EP0471143A1 (en) * | 1990-02-28 | 1992-02-19 | Rudolf Dipl.-Ing. Hauner | Round container for containing wet and agressive materials, especially used for steeping, germinating and drying installations in malting houses |
US20100224136A1 (en) * | 2005-01-26 | 2010-09-09 | Papadoyianis Ernest D | Aquaculture production system |
US8371245B2 (en) * | 2005-01-26 | 2013-02-12 | Ernest D. Papadoyianis | Aquaculture production system |
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