EP0673841A2 - Récipients en matière plastique - Google Patents
Récipients en matière plastique Download PDFInfo
- Publication number
- EP0673841A2 EP0673841A2 EP95104034A EP95104034A EP0673841A2 EP 0673841 A2 EP0673841 A2 EP 0673841A2 EP 95104034 A EP95104034 A EP 95104034A EP 95104034 A EP95104034 A EP 95104034A EP 0673841 A2 EP0673841 A2 EP 0673841A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- layer
- plastic
- thickness
- purity
- 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
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
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/22—Boxes or like containers with side walls of substantial depth for enclosing contents
- B65D1/26—Thin-walled containers, e.g. formed by deep-drawing operations
- B65D1/28—Thin-walled containers, e.g. formed by deep-drawing operations formed of laminated material
-
- 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
- B65D1/00—Rigid or semi-rigid containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material or by deep-drawing operations performed on sheet material
- B65D1/12—Cans, casks, barrels, or drums
Definitions
- the invention relates to a container made of thermoplastic material for storing and transporting, in particular, dangerous liquid filling goods, with at least one filling and emptying opening arranged in the container top, the plastic container being made of at least two different material layers (two or more layers) in the coextrusion process. is made.
- plastic containers are preferably made in the blow molding process and can in particular as large-volume sheet drums, but also as lid drums, larger canisters such as. B. facets or pallet containers (IBC's).
- IBC's pallet containers
- plastic containers that are normally customary have not been usable up to now because the highly sensitive and mostly extremely expensive liquid filling goods during longer storage due to the metal ions contained in the plastic material, some of which are in Go solution and contaminate the liquids, can be made unusable.
- plastic containers that are normally customary have not been usable up to now because the highly sensitive and mostly extremely expensive liquid filling goods during longer storage due to the metal ions contained in the plastic material, some of which are in Go solution and contaminate the liquids, can be made unusable.
- normal L-ring barrels made of an already very high quality PE plastic material such as Lupolen 5261 Z or equivalent hostal types are not suitable for this area of application.
- the metal ions mostly heavy metal ions, which are harmful to special liquid filling goods, are normally contained in any previously common plastic material; there they are integrated in the catalysts or / and thermal stabilizers required for the polymerization of the plastic starting products to increase the thermal durability of the plastic base material.
- the plastic container is produced in the coextrusion process from at least two different layers of material (two or more layers), the inner one coming into contact with the filling material
- Material layer consists of a particularly pure plastic raw material, which has only a single high-purity catalyst or is completely free of any catalysts and / or stabilizers or the harmful metal ions and thus meets the high purity requirements for the special filling goods. Also catalyst residues, fillers, stabilizers, plasticizers or plasticizers or processing aids such as processing aids.
- Stearates can represent such impurities in the plastic raw material. It is only through the use of such a high-purity or catalyst-free plastic material (e.g.
- the inner high-purity plastic material layer has a thickness (thickness) between 20% and 50%, preferably approx. 30%, of the average container wall thickness.
- a fiber-reinforced PE material (with a short fiber cut) can also be incorporated in the middle layer of material to improve stability.
- the fiber-reinforced PE material layer through special nozzle control during the coextrusion of the tubular plastic preform from the ring nozzle of an extruder or a storage head only in the vertical wall areas of the container, which are subjected to a uniform expansion during blow molding , is involved.
- the preform therefore essentially has the inner fiber-reinforced support layer only in the regions which are blown onto vertical (mostly cylindrical) inner surfaces of the blow mold when the preform is inflated.
- the ring nozzle for the middle layer of the tubular preform When the ring nozzle for the middle layer of the tubular preform is closed, the ring nozzle for the outer material layer is correspondingly opened further, so that the layer thickness of the inner high-purity material layer remains unchanged and the overall thickness of the preform or the container blown from it remains essentially constant. This will cause problems that result from different degrees of stretching of the fiber Plastic layer could be avoided from the outset.
- the more expensive fiber material is only used where it is intended to increase the rigidity of the container wall. This also reduces the total consumption of the fiber material or the raw material costs.
- reference number 10 denotes a plastic container according to the invention in the embodiment of an L-ring bung ("L-Ring Plus”) with a multi-layer container wall, in which the innermost coex layer consists of a special and high-purity plastic material that does not has disruptive metal ions containing catalysts or thermal stabilizers.
- a high-purity plastic material is e.g. B. Lupolen 3020 D.
- the bung 10 is equipped on the outer edge of the top 18 of the barrel with a circumferential carrying and transport ring 20. In the top 18 of the barrel, two bung openings which can be closed with bung plugs 22 are provided. Furthermore, the bung 10 - as shown in Fig.
- 1 - can be equipped with a further barrel opening, which has a larger diameter of z. B. 150 mm or 220 mm and z. B. allows the use of a stirring tool for stirring the liquid barrel content.
- This larger opening can be arranged laterally or centrally in the top of the barrel 18 and is closed in a gas-tight and liquid-tight manner with a corresponding screw cap 24.
- the bung barrel has only a single bunghole opening, into which a Micromatic pump tube known per se is then firmly inserted. The liquid barrel content is only by the Micromatic pump tube filled in and removed or vacuumed. So any penetration of atmospheric contaminants such. B. dusty particles or oxygen-containing air avoided.
- a lid barrel 12 according to the invention is shown with attached barrel lid 26 and clamping ring closure 28.
- This lid barrel 12 also has a special structure of the barrel wall, which is explained in more detail - “B” - in FIGS. 5 and 6.
- FIG. 3 shows a pallet container 14 with a blow-molded plastic inner container 30, which is tightly enclosed by a grid jacket 32.
- the grid jacket 32 is attached to a floor pallet 34.
- the inner container 30 with an upper (not recognizable filler opening) and a bottom outlet valve 36 also has the container wall described in more detail - "B".
- the bottom outlet valve is also dispensed with in the pallet container; the inner container then also has, like the bung barrel described above, only a single upper filling and removal opening with inserted Micromatic pump tube.
- FIG. 4 shows a handle canister 16 with a filling and emptying opening 38 in front of the handle 40 as a further exemplary embodiment of a plastic container with a special wall structure according to detail “B”.
- the use of the Micromatic pumping tube is already successfully used for canisters and facets.
- the inner high-purity plastic material layer 42 has a thickness (thickness) between 20% and 50% of the average container wall thickness, depending on the container design provided.
- the thickness (thickness) of the inner, high-purity plastic material layer 42 should be approximately 30% and that of the outer material layer 44 approximately 70% of the average container wall thickness.
- the container wall - as shown in FIG.
- a fiber-reinforced PE material (with a short fiber cut) can be integrated.
- a fiber-reinforced PE material with a short fiber cut
- the fiber-reinforced PE material layer is controlled by a special nozzle control during the coextrusion of the tubular plastic preform from the ring nozzle of an extruder or a storage head according to the invention is only integrated in the vertical wall areas of the container, which are subjected to a uniform stretching or stretching.
- the preform therefore essentially has the inner fiber-reinforced support layer 46 only in the regions which are blown onto the vertical (usually cylindrical) inner surfaces of the blow mold when the preform is inflated.
- the blow air of the blow molding machine is passed through special filter and cleaning stages (chemically pure and particle-free) in order to prevent foreign particles or pollutants from getting into the tubular preform or into the interior of the container through the blow air.
- filter and cleaning stages chemically pure and particle-free
- the measure according to the invention of the incorporation of fiber material in the middle layer 46 preferably made of high molecular weight polyethylene (HDPE) with high strength properties even in the low temperature range, the stacking capacity of a 220 l sheet drum, as shown in FIG. 1, is even increased.
- such a fiber-containing material layer can also be introduced in the same way into a four- or multi-layer preform or container, wherein the other material layers can also consist of suitable other plastic material.
- the innermost as well as the outermost material layer consist of new material, while a middle inner layer contains the performance-enhancing fiber material and a further middle outer layer consists of reprocessed regenerated material. If the fiber material is only used in the vertical walls of the container, new material or regrind can be fed in to compensate or keep the wall thickness constant.
Landscapes
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Containers Having Bodies Formed In One Piece (AREA)
- Table Devices Or Equipment (AREA)
- Laminated Bodies (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
- Devices For Use In Laboratory Experiments (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE9405113U | 1994-03-25 | ||
| DE9405113U DE9405113U1 (de) | 1994-03-25 | 1994-03-25 | Kunststoff-Behälter |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP0673841A2 true EP0673841A2 (fr) | 1995-09-27 |
| EP0673841A3 EP0673841A3 (fr) | 1995-12-20 |
| EP0673841B1 EP0673841B1 (fr) | 1997-10-22 |
Family
ID=6906532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95104034A Revoked EP0673841B1 (fr) | 1994-03-25 | 1995-03-20 | Récipients en matière plastique |
Country Status (6)
| Country | Link |
|---|---|
| EP (1) | EP0673841B1 (fr) |
| JP (1) | JPH0834050A (fr) |
| AT (1) | ATE159483T1 (fr) |
| DE (2) | DE9405113U1 (fr) |
| DK (1) | DK0673841T3 (fr) |
| ES (1) | ES2109748T3 (fr) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998002368A1 (fr) * | 1996-07-16 | 1998-01-22 | Merck Patent Gmbh | Materiaux pour la fabrication de conteneurs de transport |
| NL1005238C2 (nl) * | 1997-02-10 | 1998-08-11 | Leer Koninklijke Emballage | Kunststofvat met open bovenzijde, alsmede vervaardigingswerkwijze. |
| WO1999026852A1 (fr) * | 1997-11-25 | 1999-06-03 | Mauser-Werke Gmbh | Recipient reutilisable gerbable |
| RU2139823C1 (ru) * | 1999-02-12 | 1999-10-20 | Общество с ограниченной ответственностью "Технополис" | Многослойная бочка |
| EP0955241A1 (fr) * | 1998-05-05 | 1999-11-10 | Greif Bros. Corporation | Fût emboîtable de haute résistance, moulé en matière plastique |
| WO2000047412A1 (fr) * | 1999-02-11 | 2000-08-17 | Riedel-De Haen Gmbh | Dispositif multicouche permettant de stocker et de transporter des produits chimiques |
| WO2012170300A2 (fr) | 2011-06-10 | 2012-12-13 | Invista Technologies S.A R.L. | Perfectionnement à la formation de catalyseur métal-ligand |
| US8969606B2 (en) | 2011-06-10 | 2015-03-03 | Invista North America S.A R.L. | Calcination and reduction process including a fluidizing bed reactor |
| US9024049B2 (en) | 2010-09-07 | 2015-05-05 | Invista North America S.A.R.L. | Nickel compositions for preparing nickel metal and nickel complexes |
| US9371343B2 (en) | 2009-12-18 | 2016-06-21 | Invista North America S.A. R.L. | Nickel metal compositions and nickel complexes derived from basic nickel carbonates |
| WO2019132795A3 (fr) * | 2017-07-13 | 2019-11-07 | Özler Plasti̇k San. Ve Tic. A.S. | Boîte en plastique de faible poids et de résistance élevée |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5449285A (en) * | 1977-09-24 | 1979-04-18 | Toyo Seikan Kaisha Ltd | Automatically filled liquid food bottle |
| JP3012340B2 (ja) * | 1990-12-21 | 2000-02-21 | 花王株式会社 | 多層容器入り液体漂白剤 |
-
1994
- 1994-03-25 DE DE9405113U patent/DE9405113U1/de not_active Expired - Lifetime
-
1995
- 1995-03-20 DK DK95104034.4T patent/DK0673841T3/da active
- 1995-03-20 DE DE59500823T patent/DE59500823D1/de not_active Revoked
- 1995-03-20 EP EP95104034A patent/EP0673841B1/fr not_active Revoked
- 1995-03-20 ES ES95104034T patent/ES2109748T3/es not_active Expired - Lifetime
- 1995-03-20 AT AT95104034T patent/ATE159483T1/de active
- 1995-03-24 JP JP6654395A patent/JPH0834050A/ja active Pending
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998002368A1 (fr) * | 1996-07-16 | 1998-01-22 | Merck Patent Gmbh | Materiaux pour la fabrication de conteneurs de transport |
| NL1005238C2 (nl) * | 1997-02-10 | 1998-08-11 | Leer Koninklijke Emballage | Kunststofvat met open bovenzijde, alsmede vervaardigingswerkwijze. |
| WO1998034837A1 (fr) * | 1997-02-10 | 1998-08-13 | Koninklijke Emballage Industrie Van Leer N.V. | Fut plastique ouvert en haut et procede de fabrication |
| WO1999026852A1 (fr) * | 1997-11-25 | 1999-06-03 | Mauser-Werke Gmbh | Recipient reutilisable gerbable |
| US6230892B1 (en) | 1997-11-25 | 2001-05-15 | Mauser-Werke Gmbh | Stackable re-usable container |
| US6325212B2 (en) | 1997-11-25 | 2001-12-04 | Mauser-Werke Gmbh | Stackable re-useable container |
| EP0955241A1 (fr) * | 1998-05-05 | 1999-11-10 | Greif Bros. Corporation | Fût emboîtable de haute résistance, moulé en matière plastique |
| US7378138B1 (en) | 1999-02-11 | 2008-05-27 | Honeywell International Inc. | Multilayer device for storing and transporting chemicals |
| WO2000047412A1 (fr) * | 1999-02-11 | 2000-08-17 | Riedel-De Haen Gmbh | Dispositif multicouche permettant de stocker et de transporter des produits chimiques |
| RU2139823C1 (ru) * | 1999-02-12 | 1999-10-20 | Общество с ограниченной ответственностью "Технополис" | Многослойная бочка |
| US9371343B2 (en) | 2009-12-18 | 2016-06-21 | Invista North America S.A. R.L. | Nickel metal compositions and nickel complexes derived from basic nickel carbonates |
| US9024049B2 (en) | 2010-09-07 | 2015-05-05 | Invista North America S.A.R.L. | Nickel compositions for preparing nickel metal and nickel complexes |
| US9371346B2 (en) | 2010-09-07 | 2016-06-21 | Invista North America S.A.R.L. | Preparing a nickel phosphorus ligand complex |
| WO2012170300A2 (fr) | 2011-06-10 | 2012-12-13 | Invista Technologies S.A R.L. | Perfectionnement à la formation de catalyseur métal-ligand |
| WO2012170297A2 (fr) | 2011-06-10 | 2012-12-13 | Invista Technologies S.A R.L. | Forme de nickel pour la préparation de complexes catalytiques nickel-ligand |
| US8969606B2 (en) | 2011-06-10 | 2015-03-03 | Invista North America S.A R.L. | Calcination and reduction process including a fluidizing bed reactor |
| US9050591B2 (en) | 2011-06-10 | 2015-06-09 | Invista North America S.A.R.L. | Nickel form for preparation of catalytic nickel-ligand complexes |
| US9981257B2 (en) | 2011-06-10 | 2018-05-29 | Invista North America S.A.R.L. | Metal-ligand catalyst formation |
| WO2019132795A3 (fr) * | 2017-07-13 | 2019-11-07 | Özler Plasti̇k San. Ve Tic. A.S. | Boîte en plastique de faible poids et de résistance élevée |
Also Published As
| Publication number | Publication date |
|---|---|
| DE9405113U1 (de) | 1994-05-26 |
| EP0673841A3 (fr) | 1995-12-20 |
| ATE159483T1 (de) | 1997-11-15 |
| DE59500823D1 (de) | 1997-11-27 |
| ES2109748T3 (es) | 1998-01-16 |
| EP0673841B1 (fr) | 1997-10-22 |
| DK0673841T3 (da) | 1998-05-04 |
| JPH0834050A (ja) | 1996-02-06 |
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