EP0551492A1 - Flexible large container with interchangeable inner casing. - Google Patents
Flexible large container with interchangeable inner casing.Info
- Publication number
- EP0551492A1 EP0551492A1 EP92916956A EP92916956A EP0551492A1 EP 0551492 A1 EP0551492 A1 EP 0551492A1 EP 92916956 A EP92916956 A EP 92916956A EP 92916956 A EP92916956 A EP 92916956A EP 0551492 A1 EP0551492 A1 EP 0551492A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- front surface
- outer shell
- manhole
- shell
- large container
- 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.)
- Granted
Links
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
- B65D88/16—Large containers flexible
Definitions
- the invention relates to a flexible large container for holding gaseous, liquid or free-flowing fillings with a tear-resistant outer shell and with an interchangeable inner shell according to the generic features of the preamble of claim 1.
- the object of the invention is to propose a new type of construction of such flexible large containers and a new working method with which such containers can be set up and filled much more easily and without problems.
- a flexible large container of this type is formed with a so-called front surface, from which the large container extends with an essentially elongated shape.
- the cross-sectional shape of the large container should be tailored so that it corresponds to the natural spreading forces of a drop of water standing on the ground, in order to ensure that no stress peaks can build up in the outer shell from the filling pressure of the container.
- This also applies to the front surface, which is curved in accordance with the filling pressure that decreases from bottom to top.
- the front surface created in this way is stiffened according to the invention by at least one flexible, flexible rod which, when the container is filled, extends essentially perpendicular to the base surface over the front surface.
- This stiffening of the front surface is required when the container is still empty in order to be able to erect the front surface of the outer shell in advance, ie in order to bring the front surface into a largely and almost vertical position on the floor of the respective location after initially laying the outer shell flat which an operator can approach the front surface without entering it.
- the at the same time flexible properties of such a stiffening rod enable the front surface to bulge later when the container is filled in accordance with the filling pressure.
- the erection of the front surface of such a large container requires that at least one traction force application point in the form of an eyelet or the like is present in the top of the front surface.
- the front surface can then be raised relatively easily by means of a pulling rope, especially if the pulling rope is expediently pulled over a higher roller (for example on a tripod, a ladder or the like).
- both the line-shaped closed manhole preferably with a line lock aligned essentially perpendicular to the bottom or the base surface of the container, and all the necessary fittings for filling, emptying and venting the inner container are arranged in the front surface.
- both the insertion of the inner shell into the outer shell can be done via the manhole in the front surface without having to enter the outer shell for this purpose, as well as the assembly of all necessary fittings that are connected to the inner shell and through the outer shell. can be made through the manhole in the front surface, again without stepping on the outer shell, since according to the teaching of the invention all necessary fittings of the inner shell are positioned in the front surface of the container which is easily accessible after erection.
- a large container according to the invention with the aforementioned basic features, the expedient configurations of which will be described later, can be set up and filled particularly simply and without problems in the sense of the object of the invention using the following working method.
- the new working method is characterized in that after the outer covering has been laid out flat on the floor of the respective location, the first is by at least one flexibly flexible rod.
- stiffened front surface is erected with the help of the traction force application point present in the top of the front surface, whereupon through the manhole on the front and without entering the outer shell, the inner shell packed in the form of a roll into the outer shell with the roll axis transversely inserted in the longitudinal direction of the outer casing and the fittings which are also to be installed in the front surface through the manhole are in turn connected without stepping on the outer casing, so that after the manhole has been closed, only the outer casing is initially largely inflated for wrinkle-free stretching on the site floor, Necessarily if the outer casing ventilator is throttled or closed, and that the outer casing is subsequently vented again in such a way that it lowers somewhat in height and thus stands flat on the floor with a widened base area, whereupon the hitherto still in roll form
- An expedient embodiment of the invention provides according to claim 6 that the upper ventilation opening for the outer casing is arranged in the top of the front surface, and that this ventilation opening is provided in the form of a closable and / or throttled outer casing vent.
- the exhaust air can be easily controlled both when inflating only the outer casing and the subsequent venting of the outer casing for lowering the room height and widening the base area.
- the outer casing vent in the top of the front surface also serves in a structural unit as a compressed air connection for inflating only the outer casing.
- the outer casing preferably in the lower corner regions of the large container, with tear-open breather or tear-open flaps for venting the space between the outer casing and the inner casing, which can be removed by means of a cable or the like
- Front surface of the large container can be actuated.
- Such on ice ventilators or tear-open flaps solve the venting problem of the air which may be trapped between the outer shell and inner shell when filling the container, much more simply and effectively than the comb-shaped spacer elements described in DE-PS 33 36 077 mentioned for the venting purposes .
- tear ventilators or on flaps have the advantage that they initially remain closed, as is quite helpful in the working method according to the teaching of the invention for the initial inflation of only the outer shell, and only then torn open, that is to say, opened when the container is filled Venting between the outer shell and inner shell is required.
- tear-open breather or tear-open flaps can be formed particularly simply by means of Velcro fasteners or a rod fastener, as the latter is shown with reference to the drawing.
- a further expedient embodiment of the invention provides that, according to claim 3, the line closure of the manhole extends essentially perpendicular to the base over the front surface, and that the line closure is formed by at least one flexibly flexible flat bar which can be inserted into lip loops of the manhole closure.
- This flat bar or possibly two flat bars that form the manhole closure can also take on the function of stiffening the front surface, so that in this case a separate additional rod alone is not required for stiffening the front surface. It is particularly expedient, according to claim 4, to extend the rod line closure of the manhole to the upper region of the front surface and then to arrange at least the fittings for filling and venting the inner shell above the line closure in the top of the front surface. As a result, the fittings for the inner shell can be installed quickly and safely with simple hand grips through the manhole.
- the stiffening of the front surface of the flexible outer casing and its subsequent erection, which is provided according to the teaching of the invention, is facilitated in an expedient embodiment of the invention as claimed in claim 5 in that the front surface is flexible on the outside to the central manhole closure flexible rods for stiffening the front surface, which in pocket loops on the front Ifl ch.-! the outer shell can be inserted, the bars being usable for use as a tensile force application point and / or as a handle through recesses between the pocket loops.
- FIG. 1 is a perspective view of a large container according to the invention
- FIG. 2 shows in detail 1 the manhole closure of the container according to FIG. 1.
- the flexible large container shown is in the filled state, so that its outer shell and its inner shell lie against one another in the same shape.
- the inner shell is not shown separately in the drawing.
- the large container has an essentially elongated shape with a frontal front face 3 which is curved in accordance with the filling pressure.
- the manhole 4 is positioned on or in this front surface with a line closure, which is shown in detail in FIG. 2.
- the line closure of the manhole extends essentially perpendicular to the base over the front surface 3 and is formed in the embodiment shown in Fig. 2 by lip loops 5, which are formed from the material of the outer shell and through which, as shown, two flexibly flexible flat bars 6 are pushed.
- the entire closure can be underlaid with a sealing film and forms an effective, largely air-impermeable closure of the manhole 4.
- These flat bars 6 of the manhole closure also take on the function of stiffening the front surface of the container.
- the same function is also performed by the two additional flat bars 7 and 8, which are inserted on the outside in front of the manhole closure on the front surface into an upper and a lower pocket loop, a distance being maintained between the upper and lower pocket loops, so that in this Distance range the flat bars 7 and 8 can be used very well as handles.
- the upper armature 9 is firmly welded into the outer shell and has no connection to the inner shell.
- the lower fitting 10, however, is connected to the inner shell and must be when setting up the flexible container after inserting the inner shell into the outer shell through the outer shell or the front surface 3 of the outer shell.
- the installation of the large container is particularly easy.
- the outer shell is laid out on the floor of the respective location, so that the front surface can be stiffened by means of the flat bars 7 and 8.
- a rope is attached to the eyelet 11 at the top of the front surface and the front surface of the outer shell is erected by means of this cable and the handles formed by the flat bars 7 and 8.
- a tent-like pointed cavity is created directly behind this front surface, which makes it possible to insert the inner shell into the outer shell through the open manhole without a man crawling into or entering the outer shell for this purpose got to.
- the armature 10 of the inner shell can also be easily passed through the front surface of the outer surface by simply reaching through the open manhole.
- the tear-open closure 12 shown in FIG. 1 ' is similar to the line closure of the manhole 4, but it only has a flat bar 13 which can be pulled out of the closure loops from the front surface by means of the cable 14, as a result of which the The outer casing at this point then has a ventilation opening through which air which may be trapped between the outer casing and the inner casing can escape.
- such zippers can be arranged at all locations on the container which are at risk of undesired air inclusion. First, however, all such zippers must be kept closed.
- the outer shell is then largely inflated via the armature 9 in order to extend it without folds.
- a compressed air hose is connected to the fitting 9 and the breather tube section 15 is throttled or closed in its free breather cross section by means of the cap 16, which is seated at the end on a thread of the tube piece.
- the ventilator 15, 16 is opened again, so that the outer casing lowers somewhat in height and thereby stands flat on the floor with a widened base area. As a result, a sufficiently large interior space is formed in the outer shell, so that the inner shell can now unfold easily in the outer shell.
- the inner shell is unfolded by entering compressed air into the valve 10.
- the valve 10 has the following design. In principle, it is a simple pipe socket that is connected to the inner shell with clamping flanges, but can also be welded into it, for example if the pipe socket is injection molded from a plastic. Inside, the pipe socket is divided into two free cross sections. The smaller cross section 17 permanently connects the interior of the inner shell via the outer bore 18 with the atmosphere (Per anent ventilation). At the head end, which is the end facing the viewer in the illustration, the small cross section is closed by a wall piece, so that no filling material can get into the ventilation cross section and fill it when the inner casing is filled.
- the larger cross section 19 of the pipe socket is used either for filling or emptying the inner shell, wherein a suction hose is inserted into the inner shell through the larger cross section 19 of the fitting 10 for emptying.
- the outer bore 18 of the permanent ventilation * can easily be locked or mechanically closed for a short time.
- Such a front control on the front surface of the flexible large containers also has the advantage that, if necessary, several large containers can be placed close to each other in parallel, whereby considerable space savings are possible in storage rooms, on ships, trucks or other transport vehicles.
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4127201 | 1991-08-14 | ||
DE4127201A DE4127201A1 (en) | 1991-08-14 | 1991-08-14 | FLEXIBLE LARGE CONTAINER WITH INTERCHANGEABLE INNER COVER |
PCT/EP1992/001818 WO1993003980A1 (en) | 1991-08-14 | 1992-08-10 | Flexible large container with interchangeable inner casing |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0551492A1 true EP0551492A1 (en) | 1993-07-21 |
EP0551492B1 EP0551492B1 (en) | 1997-03-05 |
Family
ID=6438499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP92916956A Expired - Lifetime EP0551492B1 (en) | 1991-08-14 | 1992-08-10 | Flexible large container with interchangeable inner casing |
Country Status (5)
Country | Link |
---|---|
US (1) | US5302029A (en) |
EP (1) | EP0551492B1 (en) |
AT (1) | ATE149460T1 (en) |
DE (2) | DE4127201A1 (en) |
WO (1) | WO1993003980A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL9500149A (en) * | 1995-01-27 | 1996-09-02 | Euro Maintenance Lease Prod Bv | Collapsible holder. |
US5735608A (en) * | 1995-04-07 | 1998-04-07 | Branco; Marlene | Totable hamper |
US5779366A (en) * | 1995-11-08 | 1998-07-14 | Watson Furniture Systems | Wire management bag |
GB9620023D0 (en) * | 1996-09-26 | 1996-11-13 | Stafford Stephen A | Collapsible fluid vessels |
US5970652A (en) * | 1997-08-12 | 1999-10-26 | Hohmann; Scott C. | Portable and adjustable brine tank for consignable tuna fish |
DE29818049U1 (en) * | 1998-11-13 | 1999-05-12 | Eurea Verpackungsgesellschaft | Flexible transport container |
US6648507B2 (en) | 2000-04-19 | 2003-11-18 | Gta Containers, Inc. | Collapsible storage tank for liquids |
US7243478B2 (en) * | 2005-04-04 | 2007-07-17 | Walker-Dawson Interests, Inc. | Vacuum system manifold and related methods |
US20100172600A1 (en) * | 2009-01-06 | 2010-07-08 | The Coca-Cola Company | Flexible container and method of making the same |
US10807794B2 (en) | 2018-02-05 | 2020-10-20 | Composite Containers, Llc | Liner for tank container |
USD920121S1 (en) | 2018-11-16 | 2021-05-25 | Sakura Finetek U.S.A., Inc. | Bottle |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1809013A (en) * | 1929-04-12 | 1931-06-09 | Chicago Bridge & Iron Co | Container |
US2507939A (en) * | 1947-08-05 | 1950-05-16 | Franklin E Smith | Portable collapsible water tank |
US3167209A (en) * | 1957-11-20 | 1965-01-26 | Wayne W Jones | Flexible tank liner |
US3111371A (en) * | 1961-12-08 | 1963-11-19 | Glen C Bull | Methods and apparatus for conditioning hollow articles against corrosion and storing fluent materials |
FR1508236A (en) * | 1966-11-21 | 1968-01-05 | S E M A | Collapsible cistern |
US3802470A (en) * | 1966-12-05 | 1974-04-09 | C Coleman | Composite container and method of handling fluent materials |
US3510142A (en) * | 1967-09-26 | 1970-05-05 | Frederick C Erke | Inflatable tank and carrier means therefor |
US3578050A (en) * | 1969-05-12 | 1971-05-11 | Joseph L Weingarten | Collapsible aircargo container |
RO77865A (en) * | 1973-09-12 | 1981-12-25 | Hoechst Ag,De | FLEXIBLE RECIPIENT |
DE7607449U1 (en) * | 1976-03-11 | 1976-07-01 | Metzeler Kautschuk Ag, 8000 Muenchen | MULTI-PURPOSE CARRYING BAG |
FI65969C (en) * | 1982-10-20 | 1984-08-10 | Rukka Ab Oy | FOER TRANSPORT AV FLUIDER AVSEDD CONTAINERSAECK |
US4574986A (en) * | 1983-02-18 | 1986-03-11 | Aero Tec Laboratories, Inc. | Flexible container system |
DE3625224A1 (en) * | 1986-07-25 | 1988-02-04 | Lohse Juergen | FLEXIBLE CONTAINER |
DE3712760A1 (en) * | 1987-04-15 | 1988-11-03 | Angelo Rota | SHAPE ADJUSTABLE BODY |
-
1991
- 1991-08-14 DE DE4127201A patent/DE4127201A1/en not_active Withdrawn
-
1992
- 1992-08-10 EP EP92916956A patent/EP0551492B1/en not_active Expired - Lifetime
- 1992-08-10 AT AT92916956T patent/ATE149460T1/en not_active IP Right Cessation
- 1992-08-10 US US08/039,183 patent/US5302029A/en not_active Expired - Fee Related
- 1992-08-10 WO PCT/EP1992/001818 patent/WO1993003980A1/en active IP Right Grant
- 1992-08-10 DE DE59208123T patent/DE59208123D1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO9303980A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1993003980A1 (en) | 1993-03-04 |
DE59208123D1 (en) | 1997-04-10 |
US5302029A (en) | 1994-04-12 |
DE4127201A1 (en) | 1993-02-18 |
EP0551492B1 (en) | 1997-03-05 |
ATE149460T1 (en) | 1997-03-15 |
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