EP0077507B1 - Package for explosives - Google Patents

Package for explosives Download PDF

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Publication number
EP0077507B1
EP0077507B1 EP82109355A EP82109355A EP0077507B1 EP 0077507 B1 EP0077507 B1 EP 0077507B1 EP 82109355 A EP82109355 A EP 82109355A EP 82109355 A EP82109355 A EP 82109355A EP 0077507 B1 EP0077507 B1 EP 0077507B1
Authority
EP
European Patent Office
Prior art keywords
inner container
package
container
outer container
cover
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
Application number
EP82109355A
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German (de)
French (fr)
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EP0077507A2 (en
EP0077507A3 (en
Inventor
Hansjörg Fässler
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT82109355T priority Critical patent/ATE17108T1/en
Publication of EP0077507A2 publication Critical patent/EP0077507A2/en
Publication of EP0077507A3 publication Critical patent/EP0077507A3/en
Application granted granted Critical
Publication of EP0077507B1 publication Critical patent/EP0077507B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B39/00—Packaging or storage of ammunition or explosive charges; Safety features thereof; Cartridge belts or bags
    • 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
    • B65D77/00—Packages formed by enclosing articles or materials in preformed containers, e.g. boxes, cartons, sacks or bags
    • B65D77/04—Articles or materials enclosed in two or more containers disposed one within another
    • B65D77/0446—Articles or materials enclosed in two or more containers disposed one within another the inner and outer containers being rigid or semi-rigid and the outer container being of polygonal cross-section not formed by folding or erecting one or more blanks

Definitions

  • the invention relates to packaging for explosives, in particular propellant powder, with a closable inner container and an outer container.
  • Packaging of this type has previously consisted of conventional wooden or hard cardboard boxes as the outer container and an inner container made of polyethylene film.
  • Such packaging is not suitable for a partially or fully mechanized filling process and furthermore does not guarantee optimum safety, since among other things there is the possibility that explosives may accumulate in the space between the inner and outer containers.
  • the object is to create a packaging of the type mentioned at the outset, by means of which these disadvantages can be largely avoided and which, in addition to optimum fire and explosion safety, permits safe and at least partially mechanized filling.
  • the inner container is preferably constructed from an electrostatically non-chargeable, water-impermeable plastic, while the outer container advantageously consists of mechanically resistant material, such as wrapped kraft paper and wood, and at least in the area of the container opening, no metal parts are used to prevent any sparking.
  • explosives are prevented from accumulating unnoticed, in particular during mechanical filling, between the inner and outer container, in that this space remains accessible until the lid of the outer container is put on.
  • Fig. A sectional view of part of the closed package.
  • the packaging initially has an inner container 2, which has an essentially rectangular plan and a round opening 3.
  • a closure cover 4 can be placed on the opening 3 and is provided with an O-ring seal 5 (FIG. 2) which is intended to rest on the edge of the opening 3.
  • a screw ring 6 can be screwed onto an external thread 7 on the inner container 2 via the closure cover.
  • the wall of the inner container 2 is blown from high-molecular low-pressure polyethylene.
  • the resulting corner and edge parts have the advantage that no propellant powder can adhere to the container.
  • Carbon black is added to the material mentioned, so that the surface resistance is less than 10 9 ohms (according to DIN 53482), which prevents the formation of static surface charges.
  • This wall material is flame retardant and waterproof.
  • the inner container has a plurality of pegs 8 molded into the wall, which are cast with polyethylene and are used to hold brass screws 9, by means of which the bottom 21 of an outer container is detachably fastened to the inner container 2 and which pose no danger of sparking.
  • a jacket 10 made of wound kraft paper-bitumen composite can be provided as a reinforcement, which also prevents propellant powder from accumulating in the undercuts between the bottom 21 and the inner container 2 (Fig . 2).
  • the bottom 21 of the outer container is designed as a rectangular plywood panel protruding laterally beyond the inner container.
  • the above part serves as a support for the jacket of the lid 22 of the outer container.
  • This is designed as a slip lid.
  • the jacket 23 of the lid 22 is made of wrapped kraft paper of about 4 cm thick (kraft paper-bitumen composite) and has a rectangular plan with rounded edges, the inner dimensions of which are matched to the outer dimensions of the inner container 2, so that the lid only laterally is insignificantly displaceable on the floor 21.
  • the cover 23 On its upper side, the cover 23 also has a rectangular plywood panel 24 which is firmly connected to the jacket 23.
  • steel tape is used, which has a sheathing that does not generate sparks in the event of impact or friction.
  • the outer container is resistant to impacts and is waterproof.
  • the partially mechanical filling and The closing process for the packaging described is as follows. First, the propellant powder is filled mechanically into the open inner container in a security room in which there are no people, after which the closure lid 4 is mechanically placed. This ensures a first safeguard against any flying sparks. In this state, the inner container 2 with the floor 21 leaves the security room. The screw ring 6 is then screwed on by hand, with which the closure cover 4 is secured. Finally, the lid 22 of the outer container is put on and fastened with steel tape, any propellant powder residues on the outside of the inner container being able to be removed beforehand.
  • the packaging explained improves safety when filling and transporting powdered explosives. Its design eliminates electrostatic discharge and other types of sparking.
  • the double-walled construction using waterproof polyethylene for the inner container and a shockproof structure for the outer container increases transport safety. In the event of a fire, the selected material combination on the one hand provides insulation against flaming, but on the other hand is not explosive.
  • the suitability for partially mechanized filling simplifies handling and reduces the number of possible sources of danger and the risk for personnel.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Packages (AREA)
  • Buffer Packaging (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Telephone Function (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Wrappers (AREA)

Abstract

1. Package for explosives, especially for propellant charge powder, having a closeable inner container (2) and an outer container (21, 22) characterized in that the inner container (2) is fixed to the bottom (21) of the outer container, said outer container comprising a cover (22) with side walls (23) for resting on said bottom, which cover can be put over said inner container.

Description

Die Erfindung betrifft eine Verpackung für Explosivstoffe, insbesondere Treibladungspulver, mit einem verschließbaren Innenbehälter und einem Außenbehälter.The invention relates to packaging for explosives, in particular propellant powder, with a closable inner container and an outer container.

Verpackungen dieser Art bestanden bisher aus herkömmlichen Holz- oder Hartkartonkisten als Außenbehälter und einem Innenbehälter aus Polyäthylenfolie. Solche Verpackungen eignen sich nicht für einen teilweise oder ganz mechanisierten Abfüllvorgang und gewähren ferner keine optimale Sicherheit, da unter anderem die Möglichkeit besteht, daß sich im Raum zwischen Innen- und Außenbehälter allenfalls Explosivstoffe ansammeln. Die bisher unumgängliche Verwendung von Metallteilen im Bereich der Öffnung führte zu einem weiteren Sicherheitsrisiko.Packaging of this type has previously consisted of conventional wooden or hard cardboard boxes as the outer container and an inner container made of polyethylene film. Such packaging is not suitable for a partially or fully mechanized filling process and furthermore does not guarantee optimum safety, since among other things there is the possibility that explosives may accumulate in the space between the inner and outer containers. The previously inevitable use of metal parts in the area of the opening led to a further security risk.

Es stellt sich die Aufgabe, eine Verpackung der eingangs genannten Art zu schaffen, mittels welcher sich diese Nachteile weitgehend vermeiden lassen und die neben optimaler Brand-und Explosionssicherheit ein gefahrloses und mindestens teilweise mechanisiertes Abfüllen erlaubt.The object is to create a packaging of the type mentioned at the outset, by means of which these disadvantages can be largely avoided and which, in addition to optimum fire and explosion safety, permits safe and at least partially mechanized filling.

Diese Aufgabe wird durch eine Verpackung der genannten Art gelöst, bei welcher der Innenbehälter mit dem Boden des Außenbehälters verbunden ist, der einen über den Innenbehälter stülpbaren, mit Seitenwänden auf dem Boden aufruhenden Deckel aufweist.This object is achieved by a packaging of the type mentioned, in which the inner container is connected to the bottom of the outer container, which has a cover that can be slipped over the inner container and rests on the bottom with side walls.

Vorzugsweise ist der Innenbehälter aus einem elektro-statisch nicht aufladbaren, wasserundurchlässigen Kunststoff aufgebaut, während der Außenbehälter mit Vorteil aus mechanisch widerstandsfähigem Material, wie gewickeltem Kraftpapier und Holz, besteht und mindestens im Bereich der Behälteröffnung keine Metallteile verwendet werden, um jeder Funkenbildung vorzubeugen.The inner container is preferably constructed from an electrostatically non-chargeable, water-impermeable plastic, while the outer container advantageously consists of mechanically resistant material, such as wrapped kraft paper and wood, and at least in the area of the container opening, no metal parts are used to prevent any sparking.

Mit der erfindungsgemäßen Ausgestaltung wird verhindert, daß sich insbesondere bei mechanischer Abfüllung zwischen Innen- und Außenbehälter unbemerkt Explosivstoffe ansammeln, indem dieser Raum bis zum Aufsetzen des Deckels des Außenbehälters zugänglich bleibt.With the design according to the invention, explosives are prevented from accumulating unnoticed, in particular during mechanical filling, between the inner and outer container, in that this space remains accessible until the lid of the outer container is put on.

Nachfolgend wird anhand eines in der Zeichnung dargestellten Ausführungsbeispieles die Erfindung näher erläutert. Es zeigtThe invention is explained in more detail below on the basis of an exemplary embodiment shown in the drawing. It shows

Fig. leine perspektivische Ansicht der Einzelteile der Verpackung in geöffnetem Zustand, undFig. Leine perspective view of the individual parts of the package in the open state, and

Fig. eine Schnittansicht eines Teils der geschlossenen Verpackung.Fig. A sectional view of part of the closed package.

Die Verpackung weist zunächst einen Innenbehälter 2 auf, der einen im wesentlichen rechteckigen Grundriß und eine runde Öffnung 3 besitzt. Auf die Öffnung 3 ist ein Verschlußdeckel 4 aufsetzbar, der mit einer O-Ring-Dichtung 5 (Fig. 2) versehen ist, die zur Auflage auf dem Rand der Öffnung 3 bestimmt ist. Über den Verschlußdeckel läßt sich ein Schraubring 6 auf ein Außengewinde 7 am Innenbehälter 2 schrauben. Die Verwendung eines solchen an sich bekannten Verschlusses bei der vorliegenden Verpakkung gestattet, wie nachfolgend noch genauer erläutert wird, einen gefahrlosen Füll- und Verschließvorgang und verhindert dank des Außengewindes 7 am Innenbehälter 2, daß beim Auskippen des pulverförmigen Inhaltes ein Teil davon im Behälterinnern hängen bleibt. Aus demselben Grund ist die Innenseite des Innenbehälters 2 generell unter Vermeidung sogenannter toter Ecken ausgestaltet. Die Wandung des Innenbehälters 2 ist aus hochmolekularem Niederdruckpolyäthylen geblasen. Die dadurch entstehenden Eck- und Kantenpartien weisen den Vorteil auf, daß sich kein Treibladungspulver am Behälter festsetzen kann. Dem genannten Material ist Ruß beigefügt, so daß der Oberflächenwiderstand kleiner als 109 Ohm (nach DIN 53482) ist, was die Ausbildung statischer Flächenladungen verhindert. Dieses Wandmaterial ist schwer entzündbar und wasserdicht. An seiner Unterseite weist der Innenbehälter mehrere in die Wandung eingeformte Zapfen 8 auf, die mit Polyäthylen ausgegossen sind und zur Aufnahme von Messingschrauben 9 dienen, mittels welchen der Boden 21 eines Außenbehälters lösbar am Innenbehälter 2 befestigt ist und die keine Gefahr hinsichtlich Funkenbildung darstellen. Zwischen dem Boden 21 des Außenbehälters und einem Vorsprung 11 am Innenbehälter 2 kann ein Mantel 10 aus gewickeltem Kraftpapier-Bitumen-Verbund als Verstärkung vorgesehen sein, welcher überdies verhindert, daß sich Treibladungspulver in den Hinterschneidungen zwischen dem Boden 21 und dem Innenbehälter 2 anlagert (Fig. 2).The packaging initially has an inner container 2, which has an essentially rectangular plan and a round opening 3. A closure cover 4 can be placed on the opening 3 and is provided with an O-ring seal 5 (FIG. 2) which is intended to rest on the edge of the opening 3. A screw ring 6 can be screwed onto an external thread 7 on the inner container 2 via the closure cover. The use of such a known closure in the present packaging allows, as will be explained in more detail below, a safe filling and closing process and, thanks to the external thread 7 on the inner container 2, prevents part of it from getting caught inside the container when the powdery contents are dumped . For the same reason, the inside of the inner container 2 is generally designed avoiding so-called dead corners. The wall of the inner container 2 is blown from high-molecular low-pressure polyethylene. The resulting corner and edge parts have the advantage that no propellant powder can adhere to the container. Carbon black is added to the material mentioned, so that the surface resistance is less than 10 9 ohms (according to DIN 53482), which prevents the formation of static surface charges. This wall material is flame retardant and waterproof. On its underside, the inner container has a plurality of pegs 8 molded into the wall, which are cast with polyethylene and are used to hold brass screws 9, by means of which the bottom 21 of an outer container is detachably fastened to the inner container 2 and which pose no danger of sparking. Between the bottom 21 of the outer container and a projection 11 on the inner container 2, a jacket 10 made of wound kraft paper-bitumen composite can be provided as a reinforcement, which also prevents propellant powder from accumulating in the undercuts between the bottom 21 and the inner container 2 (Fig . 2).

Der Boden 21 des Außenbehälters ist als rechteckige, seitlich über den Innenbehälter vorstehende Sperrholzplatte ausgebildet. Der vorstehende Teil dient als Auflage für den Mantel des Deckels 22 des Außenbehälters. Dieser ist als Stülpdeckel ausgebildet. Wie aus Fig. 1 ersichtlich ist, bleibt der Innenbehälter 2 mit dem genannten Boden 21 bei entferntem Deckel 22 vollständig zugänglich, so daß vor dem Aufsetzen des Deckels allfällige Rückstände von Explosivstoffen bemerkt und entfernt werden können. Der Mantel 23 des Deckels 22 besteht aus gewikkeltem Kraftpapier von ca. 4 cm Dicke (Kraftpapier-Bitumen-Verbund) und weist einen rechtekkigen Grundriß mit abgerundeten Kanten auf, dessen Innenmasse auf die Außenmasse des Innenbehälters 2 abgestimmt sind, so daß der Dekkel seitlich nur unwesentlich auf dem Boden 21 verschiebbar ist. An seiner Oberseite besitzt der Deckel 23 ebenfalls eine rechteckige Sperrholzplatte 24, die mit dem Mantel 23 fest verbunden ist.The bottom 21 of the outer container is designed as a rectangular plywood panel protruding laterally beyond the inner container. The above part serves as a support for the jacket of the lid 22 of the outer container. This is designed as a slip lid. As can be seen from FIG. 1, the inner container 2 with said bottom 21 remains completely accessible with the cover 22 removed, so that any residues of explosives can be noticed and removed before the cover is put on. The jacket 23 of the lid 22 is made of wrapped kraft paper of about 4 cm thick (kraft paper-bitumen composite) and has a rectangular plan with rounded edges, the inner dimensions of which are matched to the outer dimensions of the inner container 2, so that the lid only laterally is insignificantly displaceable on the floor 21. On its upper side, the cover 23 also has a rectangular plywood panel 24 which is firmly connected to the jacket 23.

Zum Sichern des Außenbehälters wird Stahlband verwendet, das eine Ummantelung aufweist, welche bei Stoß oder Reibung keine Funken erzeugt. Der Außenbehälter ist widerstandsfähig gegenüber Stößen und ist wasserdicht.To secure the outer container, steel tape is used, which has a sheathing that does not generate sparks in the event of impact or friction. The outer container is resistant to impacts and is waterproof.

Der teilweise mechanische Abfüll- und Schließvorgang läuft bei der beschriebenen Verpackung wie folgt ab. Zunächst wird in einem Sicherheitsraum, in welchem sich keine Personen aufhalten, das Treibladungspulver maschinell in den offenen Innenbehälter eingefüllt, wonach mechanisch der Verschlußdeckel 4 aufgelegt wird. Damit ist eine erste Sicherung gegen allfälligen Funkenflug gewährleistet. In diesem Zustand verläßt der Innenbehälter 2 mit Boden 21 den Sicherheitsraum. Hernach wird der Schraubring 6 von Hand aufgeschraubt, womit der Verschlußdeckel 4 gesichert wird. Schließlich wird der Deckel 22 des Außenbehälters aufgesetzt und mit Stahlband befestigt, wobei zuvor allfällige Treibladungspulver-Rückstände an der Außenseite des Innenbehälters entfernt werden können.The partially mechanical filling and The closing process for the packaging described is as follows. First, the propellant powder is filled mechanically into the open inner container in a security room in which there are no people, after which the closure lid 4 is mechanically placed. This ensures a first safeguard against any flying sparks. In this state, the inner container 2 with the floor 21 leaves the security room. The screw ring 6 is then screwed on by hand, with which the closure cover 4 is secured. Finally, the lid 22 of the outer container is put on and fastened with steel tape, any propellant powder residues on the outside of the inner container being able to be removed beforehand.

Die erläuterte Verpackung verbessert die Sicherheit beim Abfüllen und Transportieren von pulverförmigen Explosivstoffen. Durch seine Ausbildung werden elektrostatische Entladungen sowie andere Arten der Funkenbildung ausgeschlossen. Die Doppelwandigkeit unter Verwendung von wasserdichtem Polyäthylen für den Innenbehälter und einem stoßfesten Aufbau für den Außenbehälter erhöht die Transportsicherheit. Die gewählte Materialkombination stellt im Brandfall einerseits eine Verdämmung gegen das Entflammen dar, ist jedoch andererseits nicht explosionsgefährlich. Die Eignung für teilweise mechanisiertes Abfüllen erleichtert die Handhabung und verkleinert die Anzahl möglicher Gefahrenquellen sowie das Risiko für das Personal.The packaging explained improves safety when filling and transporting powdered explosives. Its design eliminates electrostatic discharge and other types of sparking. The double-walled construction using waterproof polyethylene for the inner container and a shockproof structure for the outer container increases transport safety. In the event of a fire, the selected material combination on the one hand provides insulation against flaming, but on the other hand is not explosive. The suitability for partially mechanized filling simplifies handling and reduces the number of possible sources of danger and the risk for personnel.

Claims (10)

1. Package for explosives, especially for propellant charge powder, having a closeable inner container (2) and an outer container (21, 22) characterized in that the inner container (2) is fixed to the bottom (21) of the outer container, said outer container comprising a cover (22) with side walls (23) for resting on said bottom, which cover can be put over said inner container.
2. Package as defined in claim 1, characterized in that the inner container has walls made of a electrostatically non chargeable, water impermeable plastic.
3. Package as defined in one of the preceding claims, characterized in that the inner container has a sealing lid (4), wich can be put on the border of the opening (3) of the inner container and fixed thereto by means of an outer screw collar ring (6), wherein said elements are made of an electrostatically non chargeable, water impermeable plastic.
4. Package as defined in one of the preceding claims, characterized in that the side walls (23) of the cover of the outer container consist of press rolled sulfate paper and are connected to a cover plate (24).
5. Package as defined in one of the preceding claims, characterized in that the bottom (21) and the cover plate (24) of the outer container are plywood plates.
6. Package as defined in one of the preceding claims, characterized in that the inner container (2) is made of polyethylene by blow molding.
7. Package as defined in one of the preceding claims, characterized in that the inner container at its bottom wall has a holding plug (8) formed therein wherein fixing screws (9) for the bottom (21) of the outer container are anchored.
8. Package as defined in one of the preceding claims, characterized in that the inner container and the outer container have substantially rectangular cross section and that cover (22) of the outer container has inner dimensions which are adapted to the outer dimensions of the inner container (2) to prevent lateral displacements.
9. Package as defined in one of the preceding claims, characterized in that the inner container (2) in a bottom zone comprises a collar (10) of rolled sulfate paper, which rests on the bottom of the outer container.
10. Package as defined in one of the preceding claims, characterized in that the inner container (2) at least inside comprises rounded off corners and edges.
EP82109355A 1981-10-19 1982-10-08 Package for explosives Expired EP0077507B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT82109355T ATE17108T1 (en) 1981-10-19 1982-10-08 PACKAGING FOR EXPLOSIVES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH6668/81 1981-10-19
CH6668/81A CH652683A5 (en) 1981-10-19 1981-10-19 PACKAGING FOR EXPLOSIVE SUBSTANCES.

Publications (3)

Publication Number Publication Date
EP0077507A2 EP0077507A2 (en) 1983-04-27
EP0077507A3 EP0077507A3 (en) 1983-09-21
EP0077507B1 true EP0077507B1 (en) 1985-12-27

Family

ID=4313150

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82109355A Expired EP0077507B1 (en) 1981-10-19 1982-10-08 Package for explosives

Country Status (4)

Country Link
EP (1) EP0077507B1 (en)
AT (1) ATE17108T1 (en)
CH (1) CH652683A5 (en)
DE (1) DE3268175D1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108275385B (en) * 2018-01-19 2024-02-27 天津芯缘君威科技有限公司 Miniature explosion-proof tank for detonator and preparation method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR26148E (en) * 1922-03-27 1923-07-30 Phares Ducellier Watertight gargousse box in cardboard and tinplate
FR1183528A (en) * 1957-09-26 1959-07-08 Improvement of rigid or semi-rigid containers lined by an internal envelope made of flexible material, in particular plastic
FR1484434A (en) * 1966-06-23 1967-06-09 Sev Valley Chemical Ind Ltd Transport container
GB1101889A (en) * 1966-12-16 1968-01-31 Martin Ferrey Ltd Containers made of corrugated fibrous sheet material

Also Published As

Publication number Publication date
ATE17108T1 (en) 1986-01-15
EP0077507A2 (en) 1983-04-27
EP0077507A3 (en) 1983-09-21
CH652683A5 (en) 1985-11-29
DE3268175D1 (en) 1986-02-06

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