EP2767490A1 - Réservoir en plastique et dispositif pour un tel réservoir - Google Patents

Réservoir en plastique et dispositif pour un tel réservoir Download PDF

Info

Publication number: EP2767490A1
Authority: EP; European Patent Office
Prior art keywords: tank; recess; load; receiving element; wall
Prior art date: 2013-02-15
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

EP13155473.5A

Other languages

German (de)

English (en)

Other versions

EP2767490B1 (fr

Inventor

Otto P. Graf

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.)

Otto Graf GmbH Kunststofferzeugnisse

Original Assignee

Otto Graf GmbH Kunststofferzeugnisse

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.)

2013-02-15

Filing date

2013-02-15

Publication date

2014-08-20

2013-02-15 Application filed by Otto Graf GmbH Kunststofferzeugnisse filed Critical Otto Graf GmbH Kunststofferzeugnisse

2013-02-15 Priority to PL13155473T priority Critical patent/PL2767490T3/pl

2013-02-15 Priority to ES13155473T priority patent/ES2530454T3/es

2013-02-15 Priority to EP13155473.5A priority patent/EP2767490B1/fr

2014-08-20 Publication of EP2767490A1 publication Critical patent/EP2767490A1/fr

2015-01-21 Application granted granted Critical

2015-01-21 Publication of EP2767490B1 publication Critical patent/EP2767490B1/fr

Status Not-in-force legal-status Critical Current

2033-02-15 Anticipated expiration legal-status Critical

Images

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
- B65D88/76—Large containers for use underground

Definitions

the invention relates to a tank according to the preamble of claim 1 and an installation device according to the preamble of claim 8.
the passage is usually filled after insertion of the tank into the excavation with soil, gravel or other filling material, for which as a further installation device optionally a rammer or vibrator is used to compress the filling material.
the recesses increase the structural strength of the tank against both internal pressure and external or ground pressure.
the filling material in the passage also improves the buckling resistance in the recesses.
the introduction and compression of the filler means additional work and some skill, also harbors the risk that lack of insight cavities may remain or the filler material subsequently sets and forms cavities in which the outer wall of the tank is not locally backfilled.
US 2002/0153380 A1 and US 2004/0011786 A1 are plastic tanks, also for ground installation, known to contain the stiffening of the top to the bottom freely continuous passages, which are integrally formed with the outer wall, and when filling the tank in the pit with filler material can be filled.
the tank is a monolithic rotational molding.
WO 2010/031117 A1 known plastic tank which may be rotationally molded, contains the chamber penetrating stiffening tube structures that limit continuous channels and each a lost mold core of the manufacturing form, eg a Aluminum tube, contained in formed condition.
the passages are often filled with filler material in the installed state of the tank.
US Pat. No. 4,609,106 is a blow-molded plastic container in a monolithic construction known, the outer wall of two oppositely inserted mandrels is deformed into local frustoconical depressions which abut each other with their bottom walls, are welded together, and have openings in the outer wall.
the aforementioned tanks can also be produced by other production methods than by rotational molding.
injection molding or blow molding comes into question, with both a monolithic training (smaller sizes) as well as a subsequent addition of tank parts training is possible.
injection molding or blow molding however, a passage which is free from the top to the bottom or between both sides can hardly be converted, but the respective recess ends due to the process on a bottom wall, so that with two aligned, each from the top or bottom outgoing recesses between them, the two bottom walls abut each other and are optionally welded together.
this bottom wall structure could be subsequently cut out to form a free passage.
the recess from the underside can not be reliably filled with filler material when installing such a tank.
the outgoing from the top recess can be filled from top to bottom wall with filler.
the fact that at least any well coming from the bottom can not be properly filled results in the entire earth and traffic load acting on the tank and not being dumped into the ground, but through the outside wall itself, even in the bottom well , must be recorded.
the internal pressure in the filled or partially filled tank acts on the lower wells and tends to indulge them undesirable or to produce deformations, which can lead to cracking after a certain aging of the plastic.
the invention has for its object to provide a tank and an installation device of the type mentioned, which make it possible to reliably rule out deformation-related late damage to the tank regardless of its design.
the load-carrying element used as an installation device of the tank also fills out the recess extending from the underside or one side of the tank with its outer shape and is stable in deformation, stress peaks and deformations are excluded in the depression, which could lead to a later formation of cracks, since the outer wall is also supported in the region of the recess on the load-receiving element.
the load-bearing element is fitted to a foundation (in free-standing position) prior to placing the tank in the excavation pit or before seating and is seated relatively firmly in the well before it is secured by either weight or earth pressure in the recess. It can even be fitted at the manufacturer.
the installation device can be manufactured as an accessory of the tank and supplied in sufficient or desired number or procured separately, and used in normal use, regardless of the manufacturing process of the tank, its safety against unwanted deformation and cracking.
the load-bearing element is inexpensive, easy to install and permanently fulfills its purpose. It can be fitted into the depression in such a way that it fills and supports the depression at least substantially precisely, or at least a predetermined depth section of the depression in which deformations and cracking are to be feared.
the height of the load-bearing element corresponds at least substantially to the depth of the depression.
a load-receiving element can be fitted at least into the lower-side depression, which possibly better and more reliably fulfills the requirements for load transfer than compacted filler material, which does not precisely control its compression is and / or tends to settle and form voids.
the load-receiving element is press-fitted at least securely out of position in the recess.
This interference fit results from the matching of the outer shape of the load-bearing member on the inner shape of the recess or a predetermined depth portion of the recess and ensures that after the impressions of the load-bearing member with the tank raised the load-bearing element does not fall out while the tank in the pit or on the foundation is lowered.
each one of the mounting side top and one outgoing from the bottom recess is provided, these two wells are aligned and meet each other with their bottom walls.
a load-receiving element is fitted, which extends from the bottom at least substantially to the bottom wall and fills the recess.
the load-bearing element may be fitted in place when the tank is installed, or may already be fitted to the manufacturer of the tank and then e.g. even permanently secured in the recess.
a suitable load-bearing element can be fitted into both recesses of this type of tank, either on site during installation or already at the manufacturer or supplier of the tank.
the tank is monolithic rotary or injection-molded or blow-molded.
the tank can be assembled from injection-molded, rotary or blow-molded tank parts or joined on site.
the wall thickness can also be chosen in the recess in about the same as in the remaining outer wall, because thanks to the load-bearing member effective force removal is ensured.
the load-bearing element is made of plastic or metal or concrete.
a hollow or partially filled or completely filled version can be selected.
the load-receiving element is a, preferably hollow, rotary, injection-molded or blow molded plastic.
a load-receiving element can also be designed as a hard foam molding which offers good dimensional stability and high resistance to deformation at low weight.
load-receiving element is expediently designed to be closed on all sides, this should not rule out the possibility of forming an opening in at least one wall.
correspondingly many or several load-bearing elements can form a one-piece or joined block.
Fig. 1 illustrates the state of the art of a tank T made of plastic in a mounting situation in the ground 2 in a subsequently filled excavation 1.
the tank T is, for example, rotationally molded and has an outer wall 3, which in monolithic construction of a mounting side top O to a bottom U extends, and in which at least one of a free opening 13 on the top or bottom outgoing with a draft angle tapered recess 4a, 4b is formed.
two recesses 4a, 4b are aligned with each other and transferred into each other in a waist region, so that from the top O to the bottom U through free passage 5 is formed, which passes through a bounded by the outer wall 3 chamber K entirely.
the wall thickness in the depressions 4a, 4b may be selected to be similar or equal to the wall thickness of the outer wall 3 at the upper or lower side O, U.
a circumferential flange 11 may be provided (option).
each recess 4a, 4b may be frustoconical or truncated pyramidal and has a free opening 13 at the top and bottom O, U.
the bottom level 9 is at least walkable, or even passable in certain tank types. As installation devices for installing the tank T spade and optionally a hoist and / or a rammer or vibrator can be used.
the tank T could be sunk only partially or installed freestanding on a foundation, where, appropriately, the passages 5 may also be filled with compacted filler.
FIG. 2 For example, in the left passage 5 of the tank T of Fig. 1 similar plastic tanks T an upper and a lower load-receiving element A through the Apertures 13 inserted and fitted from above and from below, which are optionally adjacent or abut one another in the insertion direction with a small distance.
Each load-bearing element A is, suitably, closed on all sides, as high as the recess 4a, 4b is deep, and supports the wall in the recess 4a, 4b.
Right passage is eg only from the bottom U ago a load-receiving element A fitted into the recess 4b, while the upper recess 4a is filled, for example, with soil 2a or filler.
the waist region between the recesses 4a, 4b the filling and proper compression of filling material as in Fig. 1 in the lower recess 4b for lack of insight difficult or compacted filler material can be subsequently set and release cavities in which deformation or cracking can occur in the recess 4b.
the respective load-receiving element A is at least part of an installation device V, and may have outer sides 10 which are closed on all sides, or may be filled with filling material 11, or consist of hard foam.
the load-bearing element A may be a separate rotationally molded, injection-molded or blow-molded plastic molded part from the tank T, or be made of wood or sheet metal.
a concrete construction is also conceivable. Its outer shape is the inner shape and optionally-size of the respective recess 4a, 4b of the tank T adjusted.
Fig. 3 illustrates another embodiment of a tank T made of plastic, which is for example injection molded or blow molded monolithic, or from Spritzgitzg screen- or blow-molded tank parts 21, 22 in the region of the flange 11 is added.
each recess 4a, 4b has a bottom wall 12, so that the two mutually aligned recesses 4a, 4b optionally abut one another with their bottom walls 12, which are optionally welded or screwed together. Consequently, there is no free passage 5, as in the tank T of Fig. 1 and Fig. 2 but form the two recesses 4a, 4b through the bottom walls 12 separated cavities 5a, 5b.
Fig. 4 shows remain after installation of the tank T of Fig. 3 into the ground 2, the lower cavities 5b largely empty, so that there, as indicated at 15, traffic loads or the internal pressure or the earth pressure can lead to deformation, which can occur with increasing aging of the tank at 14 cracking.
the upper cavities 5a are optionally filled with soil 2a or other filling material which may be compacted to stabilize at least the recesses 4a.
Fig. 5 at the tank of Fig. 3 at least each open at the bottom U cavity 5b in the recess 4b filled with a mounting device V in the form of a load-receiving element A.
the load-receiving element A is designed similarly as described Fig. 2 explained, that is made separately stable from the tank T and fitted into the recess 4b, such that the recess 4b is at least substantially filled, or at least a predetermined depth portion of the recess 4b, starting from the lower opening 13, filled.
the outer shape of the load-receiving element A also corresponds here to the inner shape of the recess 4b.
the load-bearing element A can be positioned with a press fit, and is either fitted on site during installation of the tank or already fitted by the manufacturer and optionally permanently fixed (welding, stapling, gluing, latching, etc.). Thanks to the fitted load-bearing element A, the wall in the region of the depression 4b better withstand forces exerted by the internal pressure and / or traffic loads in the direction of the arrow 16 or is freed from forces acting in the direction of the arrow 17, for example on the ground. Expediently, in particular, the wall of the depression, for example 4 b, is stabilized by the load-bearing element used.
each lower-side recess 4b filled with a load-receiving element A.
the upper recesses 4a may be filled with soil 2a or filler. However, it is also possible, as in Fig. 5 indicated on the left, also in each or at least one upper recess 4a to insert a suitable load-receiving element A.
the Fig. 6 and Fig. 7 show perspective views of such usable as mounting devices V load-bearing elements A.
the respective recess 4a, 4b which usually tapered inwardly with a Entformungsschräge either truncated or truncated pyramid is also the outer shape of the respective load-receiving element A in the 6 and 7 adapted to the inner shape of the recess designed as a truncated cone or truncated pyramid.
the load-bearing elements A are on all sides closed (top wall 18, bottom wall 20, shell wall 19 at the truncated cone, top wall 18 ', shell walls 19', bottom wall 20 'at the truncated pyramid in Fig. 7 ), although certainly at least one opening could be formed, which is not detrimental to the load-bearing properties of the load-bearing element.
the load-bearing element A can be welded to the tank T, adhered thereto or adhesively bonded.
FIG. 8 shows in perspective a load-bearing element block B (integral or joined) as a mounting device V, for example, for a tank (not shown), in its outer wall, for example, starting from the bottom several (here four, for example) closely adjacent and trimmed recesses 4b, 4a has ,
the block B comprises, as it were, four load-bearing elements A, which are connected in connecting regions 21 and can have two differently shaped upper sides 18, 18 ', eg corresponding to the depressions of the tank. Between the bottom walls 12 of the upper sides 18, 18 'are stiffening channel-shaped transitions 22, optionally formed even with molded ribs or webs 23. It is important that the inserted block B with its outer side 10 at least the walls in the wells of the tank stably supported.

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Sewage (AREA)

EP13155473.5A 2013-02-15 2013-02-15 Réservoir en plastique Not-in-force EP2767490B1 (fr)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
PL13155473T PL2767490T3 (pl)	2013-02-15	2013-02-15	Zbiornik z tworzywa sztucznego
ES13155473T ES2530454T3 (es)	2013-02-15	2013-02-15	Depósito de plástico
EP13155473.5A EP2767490B1 (fr)	2013-02-15	2013-02-15	Réservoir en plastique

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP13155473.5A EP2767490B1 (fr)	2013-02-15	2013-02-15	Réservoir en plastique

Publications (2)

Publication Number	Publication Date
EP2767490A1 true EP2767490A1 (fr)	2014-08-20
EP2767490B1 EP2767490B1 (fr)	2015-01-21

Family

ID=47748437

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP13155473.5A Not-in-force EP2767490B1 (fr)	2013-02-15	2013-02-15	Réservoir en plastique

Country Status (3)

Country	Link
EP (1)	EP2767490B1 (fr)
ES (1)	ES2530454T3 (fr)
PL (1)	PL2767490T3 (fr)

Citations (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR50697E (fr) *	1939-07-19	1941-02-20	Forges Ateliers Const Electr	Réservoir métallique souterrain
FR2470740A1 (fr) *	1979-12-03	1981-06-12	Neveux Francois	Cuve destinee a etre enterree
US4609106A (en)	1983-11-22	1986-09-02	Vittorio Gentili	Portable jerrican-like container having a suitable-to-be-palletized casing
WO1998003749A1 (fr) *	1996-07-17	1998-01-29	F & S Manufacturing Inc.	Forme prefabriquee destinee au moulage d'un socle fait d'un materiau structurel pret a etre mis en forme
JP2000043988A (ja) *	1998-05-20	2000-02-15	Yoshikawa Kensetsu Kk	耐震貯水構造体
US20020153380A1 (en)	2001-04-20	2002-10-24	Rochester Rotational Molding, Inc.	Apparatus and method for manufacturing a tank
US20040011786A1 (en)	2001-04-20	2004-01-22	Wade Wayne Allen	Thermoplastic molded tank
US20060285927A1 (en) *	2005-06-15	2006-12-21	Linpac Rotational Mouldings Pty. Ltd.	Subterranean storage vessels and installation thereof
WO2008135053A1 (fr) *	2007-04-27	2008-11-13	Manfred Roth	Réservoir en matière plastique
WO2010031117A1 (fr)	2008-09-16	2010-03-25	Mainbrock Pty Ltd	Réservoir et procédé de construction de celui-ci

2013
- 2013-02-15 EP EP13155473.5A patent/EP2767490B1/fr not_active Not-in-force
- 2013-02-15 PL PL13155473T patent/PL2767490T3/pl unknown
- 2013-02-15 ES ES13155473T patent/ES2530454T3/es active Active

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR50697E (fr) *	1939-07-19	1941-02-20	Forges Ateliers Const Electr	Réservoir métallique souterrain
FR2470740A1 (fr) *	1979-12-03	1981-06-12	Neveux Francois	Cuve destinee a etre enterree
US4609106A (en)	1983-11-22	1986-09-02	Vittorio Gentili	Portable jerrican-like container having a suitable-to-be-palletized casing
WO1998003749A1 (fr) *	1996-07-17	1998-01-29	F & S Manufacturing Inc.	Forme prefabriquee destinee au moulage d'un socle fait d'un materiau structurel pret a etre mis en forme
JP2000043988A (ja) *	1998-05-20	2000-02-15	Yoshikawa Kensetsu Kk	耐震貯水構造体
US20020153380A1 (en)	2001-04-20	2002-10-24	Rochester Rotational Molding, Inc.	Apparatus and method for manufacturing a tank
US20040011786A1 (en)	2001-04-20	2004-01-22	Wade Wayne Allen	Thermoplastic molded tank
US20060285927A1 (en) *	2005-06-15	2006-12-21	Linpac Rotational Mouldings Pty. Ltd.	Subterranean storage vessels and installation thereof
WO2008135053A1 (fr) *	2007-04-27	2008-11-13	Manfred Roth	Réservoir en matière plastique
WO2010031117A1 (fr)	2008-09-16	2010-03-25	Mainbrock Pty Ltd	Réservoir et procédé de construction de celui-ci

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
REGENWASSER-FLACHTANK PLATIN

Also Published As

Publication number	Publication date
PL2767490T3 (pl)	2015-06-30
EP2767490B1 (fr)	2015-01-21
ES2530454T3 (es)	2015-03-03

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DE102014215715A1 (de)	2016-02-11	Anordnung zur Verwendung beim Herstellen einer teilbaren Gießform
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DE3101340C2 (de)	1983-04-28	Stahlbetonfertigteil, insbesondere für Deckenplatten
DE102017203451A1 (de)	2018-09-06	Vorgefertigtes Gebäudeelement, insbesondere Decken- oder Bodenplatte, und Verfahren zu dessen Herstellung
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DE19517233C2 (de)	1998-11-26	Vermarkungseinrichtung zur Befestigung von Vermessungspunkten
EP1631714B1 (fr)	2009-06-24	Socle pour machines
DE202008016640U1 (de)	2009-03-19	Erdtank zur Aufnahme von Flüssigkeiten
EP2336430A1 (fr)	2011-06-22	Gabion
DE202008003124U1 (de)	2008-06-05	Rahmen einer Schachtabdeckung
DE202009003683U1 (de)	2009-06-04	Vorrichtung zum Gießen von Betonwandelementen
DE202016105371U1 (de)	2016-11-10	Fertigteilmauer
DE102015110887A1 (de)	2016-11-24	Vorrichtung und Verfahren zum Anheben einer Schachtabdeckung insbesondere Kanaldeckel

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