EP0510853B1 - Auskleidungssystem für Tanks mit versiegelten Hälsen - Google Patents
Auskleidungssystem für Tanks mit versiegelten Hälsen Download PDFInfo
- Publication number
- EP0510853B1 EP0510853B1 EP92303278A EP92303278A EP0510853B1 EP 0510853 B1 EP0510853 B1 EP 0510853B1 EP 92303278 A EP92303278 A EP 92303278A EP 92303278 A EP92303278 A EP 92303278A EP 0510853 B1 EP0510853 B1 EP 0510853B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- collar
- tank
- collars
- wall
- opening
- 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
Links
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
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/04—Linings
- B65D90/046—Flexible liners, e.g. loosely positioned in the container
Definitions
- Various water tanks and the like are desirably lined with a flexible plastic barrier to prevent corrosion of the tank, or the leaching of undesirable substances. This is especially the case when the tank body is made of steel which, apart from the corrosion problem, can exhibit significant advantages over other materials.
- a system for connecting a plastic tank lining to a penetration fitting which forms an opening through a tank wall.
- an improved structure for a tank is provided which is easier to assemble, and which provides an air and water tight seal between the liner and the tank wall without the use of sealants or direct compression gaskets.
- a direct compression gasket is a gasket which is under constant compression.
- a disadvantage of such a gasket is that, over a period of time it can take a compression set due to the constant pressure and can lose effectiveness.
- the Culligan International Company has sold a tank lining system where a yoke is required. By this invention such a yoke is eliminated.
- the pre-characterising part of claim 1 is based on US-A-4 537 329, and the distinguishing features of the present invention are set out in claim 1.
- a tank lining system comprises a tank having a wall defining a first opening.
- a flexible sheet lining abuts the interior surface of the wall and defines a second opening that is aligned with the first opening of the tank wall.
- a first collar surrounds the first opening, the first collar being attached to the tank, typically by welding when the tank is metal and the first collar is made of a metal which is compatible to the metal of the tank.
- both the tank and the first collar may be made of steel.
- a second collar surrounds the second opening, and is attached by an appropriate sealing to the flexible sheet, for example radio frequency (RF) heat sealing, solvent welding, spin welding, ultrasonic welding, contact heating, or any other desired process.
- RF radio frequency
- the flexible sheet may be made of vinyl plastic or polyurethane sheeting, with the second collar being made of a corresponding, but typically rigid, plastic which is sealingly compatible with the plastic of the sheet.
- Means are provided for retaining the first and second collars together, while providing a seal of the junction area that is defined between them.
- O-ring for sealing the junction area, with the O-ring being of the non-direct compression type, as is the case with respect to O-rings, for an improved lifetime of the seal.
- the second collar is surrounded by the first collar in retained-together relation.
- This retained-together relation can be accomplished simply by attaching with bolts if desired.
- the first collar may define spaced, inwardly projecting first locking flange means, while the second collar defines spaced, outwardly projecting second locking flange means which are proportioned to pass axially through and to rotationally interlock with the first locking flange means.
- relative rotation of the first and second collars with their respective locking flange means positioned for interlocking can cause the two collars to enter into rotationally interlocking relation with each other through the respective locking flanges, to cause axial locking together.
- nut means threadedly connected to the second collar and abutting the first collar to force, upon rotation of the nut means, the first and second locking flange means into axially loaded relation together.
- a steel water tank 10 comprising a tank wall 12, to which there is attached a steel first collar 14 which defines a first opening 16.
- First collar 14 is welded by annular weld line 18 to the remainder of tank wall 12.
- Tank 10 carries an inner plastic liner 20 made of polyvinyl chloride plastic or the like. At the upper end of said plastic liner 20 there is an aperture 21, with an annular section 22 of plastic liner 20 being firmly sealed to second collar 24 by R.F. sealing or the like. Second collar 24 may be made of rigid polyvinyl chloride, as is desirable in such a circumstance to promote sealing compatibility. Second collar 24 fits within first collar 14 in telescoping relation so that a portion of second collar 24 is surrounded by first collar 14.
- Second collar 24 defines, in this embodiment, three outwardly projecting locking flanges 26. As shown in Fig. 2, locking flanges 26 are spaced from each other by spaces that are of typically slightly larger circumferential angle than the circumferential angle of each locking flange 26.
- First collar 14 in turn, defines three inwardly projecting, spaced locking flanges 28.
- Each of the locking flanges 26, 28 are proportioned and spaced so that they can fit between each other, as particularly shown in Fig. 2, when the first and second collars 14, 24 are moved axially with respect to each other.
- the respective collars can be placed into a position as illustrated in Fig. 1 and also Fig. 3 by passing through the configuration of Fig. 2, and then relatively rotating first and second collars 14, 24 to the position of Figs. 1 and 3 where the respective locking flanges 26, 28 are placed in rotationally interlocking relation, to retain the respective collars 14, 24 together in axially locked relation.
- Second collar 24 also defines an annular, outwardly projecting flange 30, which carries an O-ring 32.
- O-ring 32 the junction area between the respective collars 14, 24 is sealed by the presence of O-ring 32.
- O-ring 32 may be inserted, to prevent migration of air back into the junction area between wall 12 and liner 20.
- threaded nut 34 may be applied to external threads 36 of collar 24.
- the nut member is rotated downwardly until its flange 38 abuts an annular shoulder 40 of first collar 14, generating upward pressure on second collar 24 relative to first collar 14. This causes a load to be developed between the respective locking flanges 26, 28 for improved sealing and retention of the system.
- Nut 34 may abut the shoulder 40 of first collar 14 through a shroud or cover 42, which may be made of sheet steel or the like, to protect the upper portion of the tank, as shown in Fig. 1.
- Shroud 42 also carries a lower annular seal member 44, which seals against the tank wall 12.
- the tank lining system is provided with relatively simple construction, with the flexible tank liner carrying second collar 24 in sealed relation, so that the respective first and second collars are easily locked together and sealed without the complexities required in the prior art.
- Second collar 24 also defines internal threads 46 in aperture 21, for attachment to a conventional adaptor.
- one or more ports 46' may be formed in the wall 12 of the tank, to facilitate the bleeding of air bubbles from between the respective members 12, 20. Then, when the process is finished, port or ports 46' may be closed with a sealant or the like, as shown in Fig. 1. This may be used in conjunction with draining air through the junction area between first and second collars 14, 24, or it may be used as a substitute for that technique.
- Shroud 58 provides external protection and provides the system with an aesthetic look.
- a simplified tank liner system which is easier to install and which exhibits excellent durability and useful life.
- the flexible liner 20 is simply inserted into the mouth of the tank. The respective collars are secured together.
- the tank system is pressurized, or filled with water, to force the liner into intimate relation with the tank wall, and the system can be closed up and ready for years of useful life.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Details Of Rigid Or Semi-Rigid Containers (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Moulding By Coating Moulds (AREA)
- Packages (AREA)
- Coating Apparatus (AREA)
Claims (8)
- Behälter (10), umfassend eine eine erste Öffnung (16) definierende Wand (12), eine an die Innenfläche der genannten Wand (12) anliegende und eine an der ersten Öffnung (16) ausgerichtete zweite Öffnung (21) definierende flexible Folienauskleidung (20), einen genannte erste Öffnung (16) umgebenden ersten Ring (14), einen genannte zweite Öffnung (21) umgebenden und an genannter flexibler Folienauskleidung (20) angebrachten zweiten Ring (24) und Mittel (26, 28) zum Zusammenhalten von besagtem ersten und zweiten Ring, dadurch gekennzeichnet, daß der erste Ring (14) an der Behälterwand (12) angebracht ist und den zweiten Ring (24) umgibt und mit Zwischenraum zu zumindest einem Teil von ihm angeordnet ist und ein separater O-Ring des direktdruckfreien Typs vorgesehen ist, wobei der O-Ring (32) in den Raum zwischen den Ringen (14, 24) einsetzbar ist, um eine Dichtung in der Verbindungszone zwischen den Ringen (14, 24) zu bilden.
- Behälter nach Anspruch 1, in dem genannter erster Ring (14) und Behälterwand (12) jeweils aus Metall hergestellt sind, wobei die flexible Folienauskleidung (20) und zweiter Ring (24) jeweils aus Kunststoffen hergestellt sind, die schweißungsmäßig miteinander verträglich sind.
- Behälter nach Anspruch 1 oder 2, in dem genanntes Mittel zum Halten einen Teil des ersten Rings (14), der mit Zwischenraum angeordnete, nach innen vorstehende erste Verschlußflanschmittel (28) definiert, und einen Teil von genanntem zweiten Ring (24) umfaßt, der mit Zwischenraum angeordnete, nach außen vorstehende zweite Verschlußflanschmittel (26) definiert, die bemessen sind, um durch die ersten Verschlußflanschmittel (28) zu passieren und damit drehend in Eingriff gebracht zu werden, um axiales Verriegeln von genanntem ersten und zweiten Ring (14, 24) miteinander zu verursachen.
- Behälter nach Anspruch 3 mit einer gewindemäßig mit dem genannten zweiten Ring (24) verbundene und am genannten ersten Ring (14) anstoßende Mutter (34) vorzusehen, um beim Drehen der genannten Mutter (34) genanntes erstes und zweites Verschlußflanschmittel (26, 28) in ein axialbelastetes Verhältnis zu zwingen.
- Behälter nach einem der Ansprüche 1 bis 4, in dem genannter erster und zweiter Ring miteinander verschraubt sind.
- Behälter nach einem der vorangehenden Ansprüche, wobei der zweite Ring (24) einen Tragflansch (30) definiert, der den O-Ring trägt.
- Verfahren zum Abdichten des Behälters von Anspruch 1 unter Verwendung des O-Rings (32) von Anspruch 1, umfassend (a) ein Evakuieren von Luft aus dem Raum zwischen der Innenfläche der genannten Behälterwand (12) und genannter flexibler Folienauskleidung (20), um zu bewirken, daß die flexible Folienauskleidung (20) die Innenfläche der Wand (12) eng berührt, wenn die Luft aus dem genannten Raum evakuiert wird, und zwischen dem ersten Ring (14) und dem zweiten Ring (24) und (b) ein Einlegen des genannten O-Rings (32) des direktdruckfreien Typs an der Verbindung zwischen genanntem ersten und zweiten Ring (14, 24), um zwischen den genannten Ringen (14, 24) eine Dichtung herzustellen, wodurch das Strömen von Luft in den Raum zwischen Behälterwand (12) und Folienauskleidung (20) verhindert wird.
- Verfahren nach Anspruch 7, weiter umfassend den Schritt des Anordnens (c) einer Mutter (34) über genanntem ersten und zweiten Ring (14, 24) und O-Ring (32).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US69156491A | 1991-04-25 | 1991-04-25 | |
US691564 | 1991-04-25 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0510853A2 EP0510853A2 (de) | 1992-10-28 |
EP0510853A3 EP0510853A3 (en) | 1993-02-03 |
EP0510853B1 true EP0510853B1 (de) | 1994-11-02 |
Family
ID=24777041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92303278A Expired - Lifetime EP0510853B1 (de) | 1991-04-25 | 1992-04-13 | Auskleidungssystem für Tanks mit versiegelten Hälsen |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0510853B1 (de) |
AT (1) | ATE113558T1 (de) |
AU (1) | AU652240B2 (de) |
CA (1) | CA2065757C (de) |
DE (1) | DE69200606T2 (de) |
ES (1) | ES2066558T3 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4418715A1 (de) * | 1993-06-03 | 1994-12-08 | Duttenhoefer Gmbh Gottlieb | Verpackungsverschluß einer mehrfach kombinierbaren Gefahrgutverpackung |
US6510959B1 (en) * | 2000-04-18 | 2003-01-28 | United States Filter Corporation | Center opening treatment tank for use with metal tank flanges |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB890170A (en) * | 1959-12-11 | 1962-02-28 | Lancastrian Evaporators Ltd | Improvements relating to the bulk storage of sterilised liquids |
GB1000634A (en) * | 1962-11-15 | 1965-08-11 | Leer Ind Ltd Van | Container for the packaging, the storage and the transportation of goods |
US3918605A (en) * | 1974-04-15 | 1975-11-11 | Calvin J Butler | Combination container with disposable closure and linear assembly |
NL165429C (nl) * | 1975-02-10 | 1981-04-15 | Ruiten S Transporten B V Van | Vulhulpstuk voor een tijdelijke binnenbekleding van een tank, alsmede werkwijze voor het monteren van een transportzak in een tank met behulp van een vulhulpstuk en transportzak met vulhulpstuk voor een tank |
US4164304A (en) * | 1978-05-30 | 1979-08-14 | The Continental Group, Inc. | Closure for steel drums with blow molded liners |
US4537329A (en) * | 1984-04-02 | 1985-08-27 | Culligan International Company | Tank lining system |
-
1992
- 1992-04-10 CA CA002065757A patent/CA2065757C/en not_active Expired - Fee Related
- 1992-04-13 ES ES92303278T patent/ES2066558T3/es not_active Expired - Lifetime
- 1992-04-13 EP EP92303278A patent/EP0510853B1/de not_active Expired - Lifetime
- 1992-04-13 AT AT92303278T patent/ATE113558T1/de not_active IP Right Cessation
- 1992-04-13 DE DE69200606T patent/DE69200606T2/de not_active Expired - Fee Related
- 1992-04-24 AU AU15127/92A patent/AU652240B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0510853A2 (de) | 1992-10-28 |
AU652240B2 (en) | 1994-08-18 |
AU1512792A (en) | 1992-10-29 |
DE69200606T2 (de) | 1995-05-04 |
ATE113558T1 (de) | 1994-11-15 |
ES2066558T3 (es) | 1995-03-01 |
CA2065757C (en) | 1996-04-02 |
DE69200606D1 (de) | 1994-12-08 |
CA2065757A1 (en) | 1992-10-26 |
EP0510853A3 (en) | 1993-02-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5345666A (en) | Method of sealing a tank having a flexible sheet liner therein | |
US5174466A (en) | Tank lining system with neck seal | |
US5271518A (en) | Sump cover | |
US5944319A (en) | Method of forming a metal to metal seal between two confronting faces of pressure containing bodies and a metal to metal seal | |
US5551590A (en) | Non-metallic pressure vessel fitting | |
US20030136455A1 (en) | Block unit for repairing flow passage facilities and method of repairing flow passage facilities | |
US5608998A (en) | Panel for lining manholes and the like | |
US5305903A (en) | Device in fuel tanks | |
EP0485076B1 (de) | Kupplung | |
EP0239407A2 (de) | Druckbehälter aus Verbundwerkstoff mit einer Flüssigkeitsöffnung, die eine austauschbare Dichtung in der Verbundwerkstoffseitenwand besitzt, und Herstellungsverfahren einer solchen Flüssigkeitsöffnung | |
EP0510853B1 (de) | Auskleidungssystem für Tanks mit versiegelten Hälsen | |
US5397020A (en) | Flexible tank liner with vacuum fitting | |
US5113912A (en) | Inflatable cushion for sealing off leaks in containers and pipes | |
US6032821A (en) | Center opening treatment tank | |
US3774802A (en) | Attachment apparatus for pressure vessels | |
US5104273A (en) | Wall anchor socket apparatus | |
EP0624752B1 (de) | Schutzbehälter mit Flüssigkeitsdichtung für die unterirdische Installation von Tankbehältern enthaltenden unter Druck stehenden Flüssiggases | |
US4222804A (en) | Method of joining together the sections of large-diameter fiberglass-reinforced tanks | |
GB2070709A (en) | Socket device for connecting two adjacent pipe ends | |
EP0698761B1 (de) | Verschliesster Schutzbehälter für die unterirdische Installation von Tankbehältern enthaltenden unter Druck stehenden Flüssiggasen | |
US3528687A (en) | Fitting for a flexible walled container | |
US5251472A (en) | High pressure pipe sleeve for pressure testing of joint seals | |
EP0980779A2 (de) | Einfüllstutzen | |
JPH0337077B2 (de) | ||
AU2003221369A1 (en) | Block unit for repairing flow passage facilities and method of repairing flow passage facilities |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL PT SE |
|
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL PT SE |
|
17P | Request for examination filed |
Effective date: 19930402 |
|
17Q | First examination report despatched |
Effective date: 19930816 |
|
GRAA | (expected) grant |
Free format text: ORIGINAL CODE: 0009210 |
|
AK | Designated contracting states |
Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI NL PT SE |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: NL Effective date: 19941102 Ref country code: DK Effective date: 19941102 Ref country code: AT Effective date: 19941102 |
|
REF | Corresponds to: |
Ref document number: 113558 Country of ref document: AT Date of ref document: 19941115 Kind code of ref document: T |
|
ITF | It: translation for a ep patent filed |
Owner name: JACOBACCI CASETTA & PERANI S.P.A. |
|
REF | Corresponds to: |
Ref document number: 69200606 Country of ref document: DE Date of ref document: 19941208 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: SE Effective date: 19950202 |
|
ET | Fr: translation filed | ||
REG | Reference to a national code |
Ref country code: GR Ref legal event code: FG4A Free format text: 3014242 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FG2A Ref document number: 2066558 Country of ref document: ES Kind code of ref document: T3 |
|
SC4A | Pt: translation is available |
Free format text: 941102 AVAILABILITY OF NATIONAL TRANSLATION |
|
NLV1 | Nl: lapsed or annulled due to failure to fulfill the requirements of art. 29p and 29m of the patents act | ||
PLBE | No opposition filed within time limit |
Free format text: ORIGINAL CODE: 0009261 |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT |
|
26N | No opposition filed | ||
REG | Reference to a national code |
Ref country code: GB Ref legal event code: IF02 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: PT Payment date: 20040407 Year of fee payment: 13 Ref country code: GB Payment date: 20040407 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: FR Payment date: 20040420 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: CH Payment date: 20040423 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: GR Payment date: 20040427 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: ES Payment date: 20040510 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: BE Payment date: 20040528 Year of fee payment: 13 |
|
PGFP | Annual fee paid to national office [announced via postgrant information from national office to epo] |
Ref country code: DE Payment date: 20040601 Year of fee payment: 13 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: IT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050413 Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050413 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: ES Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050414 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: LI Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050430 Ref country code: CH Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050430 Ref country code: BE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20050430 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: PT Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051013 |
|
BERE | Be: lapsed |
Owner name: *CULLIGAN INTERNATIONAL CY Effective date: 20050430 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051101 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: GR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051103 |
|
REG | Reference to a national code |
Ref country code: CH Ref legal event code: PL |
|
GBPC | Gb: european patent ceased through non-payment of renewal fee |
Effective date: 20050413 |
|
PG25 | Lapsed in a contracting state [announced via postgrant information from national office to epo] |
Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20051230 |
|
REG | Reference to a national code |
Ref country code: FR Ref legal event code: ST Effective date: 20051230 |
|
REG | Reference to a national code |
Ref country code: ES Ref legal event code: FD2A Effective date: 20050414 |
|
BERE | Be: lapsed |
Owner name: *CULLIGAN INTERNATIONAL CY Effective date: 20050430 |