EP1458616B1 - Chemikalienbehälter für hochreine chemikalien - Google Patents

Chemikalienbehälter für hochreine chemikalien Download PDF

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Publication number
EP1458616B1
EP1458616B1 EP02787824A EP02787824A EP1458616B1 EP 1458616 B1 EP1458616 B1 EP 1458616B1 EP 02787824 A EP02787824 A EP 02787824A EP 02787824 A EP02787824 A EP 02787824A EP 1458616 B1 EP1458616 B1 EP 1458616B1
Authority
EP
European Patent Office
Prior art keywords
chemical container
side walls
base
respect
handle
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
Application number
EP02787824A
Other languages
English (en)
French (fr)
Other versions
EP1458616A1 (de
Inventor
Hans-Ulrich Hahn
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.)
Honeywell Specialty Chemicals Seelze GmbH
Original Assignee
Honeywell Specialty Chemicals Seelze GmbH
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.)
Filing date
Publication date
Application filed by Honeywell Specialty Chemicals Seelze GmbH filed Critical Honeywell Specialty Chemicals Seelze GmbH
Publication of EP1458616A1 publication Critical patent/EP1458616A1/de
Application granted granted Critical
Publication of EP1458616B1 publication Critical patent/EP1458616B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D1/00—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, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • 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
    • B65D23/00—Details of bottles or jars not otherwise provided for
    • B65D23/10—Handles
    • 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—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, by deep-drawing operations performed on sheet material
    • B65D1/02—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents
    • B65D1/0207—Bottles or similar containers with necks or like restricted apertures, designed for pouring contents characterised by material, e.g. composition, physical features
    • 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
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/84—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for corrosive chemicals
    • 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
    • B65D2501/00—Containers having bodies formed in one piece
    • B65D2501/0009—Bottles or similar containers with necks or like restricted apertures designed for pouring contents
    • B65D2501/0081—Bottles of non-circular cross-section

Definitions

  • the present invention relates to a chemical container for storing high-pure liquid chemicals.
  • Such kind of chemical containers is often made in the shape of a bottles with a handle by extrusion blowing of high-dense polyethylene (PE-HD).
  • PE-HD high-dense polyethylene
  • Those container generally comprise a round bottle-like shape or an edged bottle-like shape having plane side walls.
  • a bottle of the latter type is made out of high-pure PE-HD, preferably of the type Lupolen 6021D or 5021D by extrusion blowing. Substantially, the bottle is assembled of two halves such that a mold separation seam runs from the base up to the opening in two of the plane side walls. The mold separation seam continues in the base area of the container.
  • bottles made of high-pure PD-HD are sensitive for cracks arising from tension in the material of the container. Those tensions particularly arise if the vapor pressure of the chemical in a closed container increases for example by an increased temperature.
  • the plane side walls as well as the base of the bottle are then subjected to an increased stress as a high vapor pressure in the interior of the bottle results in that the side walls and the base are deformed.
  • the vapor pressure deforms the bottle into a shape of a sphere because of the tendency of the vapor of the chemical to maximize its volume.
  • the mold separation seam arranged in the plane side walls between the parts of the bottle are susceptible to cracks which may particularly arise with an overpressure in the bottle which is maintained for a longer period.
  • a further possibility to overcome the shortcomings of the bottles in prior art consists in making the containers more stable by the use of larger wall thicknesses.
  • a corresponding container comprises a higher weight and are more expensive in production.
  • the invention relates to a chemical container made of plastics comprising a body having side walls, which are perpendicularly arranged with respect to each other, and a base, whereby at least one mold separation seam or an accumulation of plastic materials due to the production, respectively, is arranged in the edge of the chemical container being formed between two side walls. Moreover, at least one further mold separation seam is arranged in the base of the chemical container diagonally over the base.
  • the danger of cracks in the mold separation seam is significantly reduced.
  • the side walls comprise a uniform distribution of material. Even with increased vapor pressure and in case of a deformation they remain to the greatest possible extend free of tension. Constructively the edges of the container are more stable than the side walls and may not be deformed easily by an increased vapor pressure. Therefore, the danger of an occurrence of cracks in a mold separation seam being arranged there is significantly reduced.
  • the chemical container is made of high-dense polyethylene (PD-HD), preferably of the type Lupolen 6021D or Lupolen 5021D.
  • PD-HD high-dense polyethylene
  • the chemical containers according to the invention comprise a wall thickness of 1,5 - 3 mm.
  • two side walls of the chemical container are each formed in their upper section such that a partial area of the side wall is oriented obliquely backwards out of the plane of the respective side wall.
  • Those partial areas of the two side walls running obliquely backwards into opposite directions and towards each other form an area of the chemical container, which in its completed state, is oriented substantially perpendicular with respect to the base of the chemical container and parallel with respect to a diagonal of the base.
  • a handle is arranged in front of the area such formed being attached above and below close to the area or on the same.
  • the volume of the chemical container is reduced.
  • a handle in front of the area formed, preferably, at the connection line between the two side walls a handle can be arranged in a way that it does not protrude laterally over the side walls to which it is attached, which is substantially perpendicular in the lower part of the chemical container. Therefore, the chemical container can be stacked together with further containers of the same kind without being hindered by their handles.
  • the elongated or bar-like handle is arranged symmetrically with respect to the edge being formed between the side walls of the chemical container and in front of the area being formed by the partial areas of the side walls.
  • the handle is arranged such that it does not protrude over the base in a direction parallel to the cross section being formed through the base of the chemical container.
  • the chemical container comprises a handle being blown during the production process of the parts of the container. This manner of production is particularly economic as no further step is necessary for attaching the handle.
  • the chemical container shown in fig. 1a to 1d comprises a substantially symmetric body 1 having the shape of a bottle consisting of four side walls 1a - 1d being arranged substantially perpendicular with respect to each other and a base 4.
  • the side walls In the upper part of the container the side walls end up in an opening 8 of the chemical container.
  • the container Below the opening 8 the container comprises a cylindrical section being provided with a thread.
  • a container may preferably be closed with a commercial closure according to the utility model G 91 02 564.8.
  • Two side walls 1a, 1b comprise in their upper parts partial areas 2a and 2b being oriented obliquely backwards with respect to the plane of the side walls 1a, 1b and in opposite directions towards each other.
  • those two partial areas 2a, 2b are connected with each other and form an area 5 being oriented substantially perpendicular with respect to the base 4 like the side walls 1a - 1d.
  • This can be recognized clearly in fig. 1b.
  • the area 5 is slightly curved, however, runs substantially parallel with respect to a diagonal line of the base 4 of the container.
  • On the bottom of the base 4 a mold separation seam 7 due to the production process is arranged.
  • the mold separation seam 7 runs diagonally over the base 4 between two edges of the same.
  • the mold separation seam 7 continues up to the container opening 8 in the opposite edges formed between two side walls.
  • the side walls 1a - 1d comprise a homogeneous distribution of material and are more resistant against cracks, particularly during a longer overpressure and contact of the chemical container with aggressive chemicals.
  • the mold separation seams are arranged in the edges between the side walls. As the side walls 1a - 1d are connected there under an angle the chemical container is more stable in those edges for reasons of their construction against deformations than the side walls 1a - 1d. There, significantly smaller forces are exerted on the mold separation seams 3 by an increased vapor pressure in the interior of the chemical container than in the side walls 1a - 1d.
  • the arrangement of the mold separation seam 7 on a diagonal of the base 4 of the chemical container has the advantage that this mold separation seam 7 is less subjected to cracks due to tension as the base 4 is stabilized by the edges through which runs the diagonal line. Therefore, smaller forces are exerted on a mold separation seam 7 being arranged in the diagonal by the vapor pressure than on a mold separation seam 7 being oriented parallel to the edges of base 4.
  • the mold separation seam 7 being formed in the base 4 is obtained by squeezing of the extrusion blowing tube during the production of the chemical container.
  • the chemical container preferably comprises a blown handle 6.
  • the handle 6 is arranged in front of the area 5 being formed by the partial areas 2a, 2b of the side walls 1a, 1b and is attached to the container on top and below at the area 5.
  • the handle 6 is also preferably assembled of two parts being separated by the mold separation seam 3.
  • the handle 6 is preferably oriented substantially in the direction of the edges being formed between the side walls 1a - 1d.
  • the handle comprises a dimension and a distance between the area 5 and the handle is designed in a way, respectively, that the chemical container is adapted for being carried with gloves. This is necessary since in plenty fields of applications such as in the semiconductor production the chemical containers are carried and emptied with gloves.
  • the handle 6 and the halves of the bottle, respectively, are preferably formed in the same extrusion blowing process.
  • containers of the described kind are conceivable being produced without a handle 6.
  • the partial areas 2a, 2b being oriented obliquely backwards may be omitted.
  • the chemical container then comprises a larger volume.
  • the handle could also be fixed to the chemical container at its top e.g. on two sides next to the container opening 8.
  • Fig. 2 shows a cross section along the line A-A of the handle 6.
  • the handle 6 preferably comprises a T-shaped profile. Thereby, the handle 6 obtains a particularly enlarged stability and furthermore the danger of a slipping-off of the hand is reduced.
  • Fig. 3a - 3d and 4a, 4b show a further embodiment of the inventive chemical container. This embodiment distinguishes from the first embodiment with respect to the construction of the handle 6. Parts being identical to parts in fig. 1a - 1d and 2 are denoted with the same reference numerals.
  • a handle 6 comprises a substantially cylindrical body being fixed to the chemical container by thin webs at the top and at the bottom.
  • Fig. 4a and 4b each show a cross section of the web being situated at the top and at the bottom, respectively.
  • the top web comprises a T-shaped profile and the lower web comprises substantially a flat profile being provided with rips.
  • the chemical containers described are adapted for the reception of high-pure chemicals like e.g. hydrofluoric acid (HF), hydrochloric acid, sulfuric acid, hy drogen peroxide, ammonium fluoride solutions, etching mixtures of HF and ammonia solution, ammonia solution, ethanoic acid, 2-propyl alcohol, phosphoric acid, and nitric acid.
  • high-pure chemicals like e.g. hydrofluoric acid (HF), hydrochloric acid, sulfuric acid, hy drogen peroxide, ammonium fluoride solutions, etching mixtures of HF and ammonia solution, ammonia solution, ethanoic acid, 2-propyl alcohol, phosphoric acid, and nitric acid.
  • all parts of the chemical container including the thread and handle 6 are made of the same material, preferably of high-pure PE-HD, preferably of the type lupolen 6021D or 5021D by extrusion blowing.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Details Of Rigid Or Semi-Rigid Containers (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (8)

  1. Chemikalienbehälter aus Kunststoff, der Folgendes aufweist:
    einen Körper (1) mit senkrecht zueinander angeordneten Seitenwänden (1a, 1b, 1c, 1d) und
    einer Standfläche (4),
    gekennzeichnet durch
    Formtrennnähte (3) oder eine produktionsbedingte Materialanhäufung, die in den zwischen Seitenwänden gebildeten Kanten angeordnet sind, und
    mindestens eine Formtrennnaht (7) bzw. produktionsbedingte Materialanhäufung, die diagonal über der Basis (4) angeordnet ist und die anderen Trennnähte (3) verbindet.
  2. Chemikalienbehälter nach Anspruch 1, wobei der Chemikalienbehälter aus Polyethylen hoher Dichte (HDPE), vorzugsweise des Typs Lupolen 6021D oder Lupolen 5021D, hergestellt ist.
  3. Chemikalienbehälter nach einem der vorhergehenden Ansprüche, bei dem zwei Seitenwände (1a, 1b) des Chemikalienbehälters jeweils in ihrem oberen Abschnitt so ausgebildet sind, dass ein Teilbereich (2a, 2b) der Seitenwand (1a, 1b) aus der Ebene der jeweiligen Seitenwand (1a, 1b) schräg nach hinten ausgerichtet ist und die Teilbereiche (2a, 2b) zusammen einen Bereich (5) bilden, der senkrecht zur Standfläche (4) und parallel zu einer Diagonalen der Standfläche (4) ausgerichtet ist.
  4. Chemikalienbehälter nach Anspruch 3, bei dem ein Griff (6) oben und unten am Bereich (5) des Chemikalienbehälters angebracht ist, im Wesentlichen symmetrisch bezüglich der Ränder ausgerichtet ist, zwischen zwei Seitenwänden (1a, bzw. 1b) des Chemikalienbehälters ausgebildet ist und vor dem Bereich (5), der durch die Teilbereiche (2a, 2b) der schräg angeordneten Seitenwände gebildet ist, angeordnet ist.
  5. Chemikalienbehälter nach einem der vorhergehenden Ansprüche, bei dem der Griff (6) so angeordnet ist, dass er in einer parallel zu dem durch die Standfläche (4) gebildeten Querschnittsbereich verlaufenden Richtung nicht über die Standfläche (4) vorsteht.
  6. Chemikalienbehälter nach einem der vorhergehenden Ansprüche, bei dem der Chemikalienbehälter einen einstückig mit dem Chemikalienbehälter ausgebildeten Griff (6) aufweist.
  7. Verwendung des Chemikalienbehälters nach einem der vorhergehenden Ansprüche für die Lagerung und den Transport von Chemikalien.
  8. Verwendung nach Anspruch 7, bei der die Chemikalien unter folgenden ausgewählt sind: Flusssäure (HF), Salzsäure, Schwefelsäure, Wasserstoffperoxid, Ammoniumfluoridlösungen, Ätzmischungen aus HF und Ammoniaklösung, Ammoniaklösung, Essigsäure, 2-Propanol, Phosphorsäure und Salpetersäure.
EP02787824A 2001-11-30 2002-11-26 Chemikalienbehälter für hochreine chemikalien Expired - Lifetime EP1458616B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10158811 2001-11-30
DE10158811A DE10158811A1 (de) 2001-11-30 2001-11-30 Chemikalienbehälter für hochreine Chemikalien
PCT/EP2002/013307 WO2003045790A1 (en) 2001-11-30 2002-11-26 Chemical container for high-pure chemicals

Publications (2)

Publication Number Publication Date
EP1458616A1 EP1458616A1 (de) 2004-09-22
EP1458616B1 true EP1458616B1 (de) 2006-07-26

Family

ID=7707543

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02787824A Expired - Lifetime EP1458616B1 (de) 2001-11-30 2002-11-26 Chemikalienbehälter für hochreine chemikalien

Country Status (9)

Country Link
US (1) US20060037931A1 (de)
EP (1) EP1458616B1 (de)
JP (1) JP2005510419A (de)
KR (1) KR20040055821A (de)
CN (1) CN1289356C (de)
AT (1) ATE334061T1 (de)
AU (1) AU2002352151A1 (de)
DE (2) DE10158811A1 (de)
WO (1) WO2003045790A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10300323A1 (de) * 2003-01-09 2004-10-14 Baxter Healthcare S.A. Sicherheitsbehälter mit erhöhter Bruch und Splitterfestigkeit sowie kontaminationsfreier Außenfläche für biologisch aktive Substanzen und Verfahren zu deren Herstellung
JP5380157B2 (ja) * 2009-05-22 2014-01-08 ライオン株式会社 プラスチックボトル
USD739248S1 (en) * 2014-09-08 2015-09-22 Milacron Llc Container
GB201908211D0 (en) * 2019-06-07 2019-07-24 Ripley Lena A container carriage device
USD1023679S1 (en) 2021-06-17 2024-04-23 Boxing Clever (London) Ltd. Bottle with handle

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US3441172A (en) * 1963-01-08 1969-04-29 Continental Can Co Integral plastic container and carrying handle
US3444285A (en) * 1966-01-12 1969-05-13 Monsanto Co Manufacture of blow molded plastic articles
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US4372455A (en) * 1980-01-18 1983-02-08 National Can Corporation Thin walled plastic container construction
US5199587A (en) * 1985-04-17 1993-04-06 Yoshino Kogyosho Co., Ltd. Biaxial-orientation blow-molded bottle-shaped container with axial ribs
US5199618A (en) * 1989-12-02 1993-04-06 Tetra Alfa Holdings S.A. Pouring device for container for flowable material
DE3939970A1 (de) * 1989-12-02 1991-06-06 Tetra Pak Gmbh Packung fuer fliessfaehiges fuellgut mit umlaufender naht
US5188849A (en) * 1990-03-05 1993-02-23 Owens-Llinois Plastic Products Inc. Apparatus for making a multi-layer plastic bottle with a handle
US5086937A (en) * 1990-10-09 1992-02-11 Owens-Illinois Plastic Products Inc. Lightweight plastic bottle and method and apparatus for forming
US5269437A (en) * 1992-11-16 1993-12-14 Abbott Laboratories Retortable plastic containers
US5524787A (en) * 1993-02-02 1996-06-11 The Procter & Gamble Company Lightweight, composite container
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DE29613553U1 (de) * 1996-05-07 1996-11-07 Nittel GmbH & Co KG, 65479 Raunheim Flexibler Behälter aus thermoplastischem Kunststoff
US5804744A (en) * 1996-09-30 1998-09-08 Chemtrace Apparatus for obtaining, storing and transporting liquid samples and methods for making and using same
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US5833115A (en) * 1997-02-04 1998-11-10 Dean Foods Company Container
JP2000313425A (ja) * 1999-04-28 2000-11-14 Kao Corp プラスチック容器
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US6527333B2 (en) * 2001-04-18 2003-03-04 Ford Global Technologies, Inc. Solid state drag reducing vehicle grille
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Also Published As

Publication number Publication date
DE60213467T2 (de) 2007-02-15
WO2003045790A1 (en) 2003-06-05
ATE334061T1 (de) 2006-08-15
US20060037931A1 (en) 2006-02-23
CN1289356C (zh) 2006-12-13
CN1599685A (zh) 2005-03-23
DE60213467D1 (de) 2006-09-07
EP1458616A1 (de) 2004-09-22
DE10158811A1 (de) 2003-06-18
AU2002352151A1 (en) 2003-06-10
KR20040055821A (ko) 2004-06-29
JP2005510419A (ja) 2005-04-21

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