EP0732270B1 - Cartridge with a frangible base for paste products - Google Patents
Cartridge with a frangible base for paste products Download PDFInfo
- Publication number
- EP0732270B1 EP0732270B1 EP95400582A EP95400582A EP0732270B1 EP 0732270 B1 EP0732270 B1 EP 0732270B1 EP 95400582 A EP95400582 A EP 95400582A EP 95400582 A EP95400582 A EP 95400582A EP 0732270 B1 EP0732270 B1 EP 0732270B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- zone
- strip
- tubular body
- cartridge
- weaker
- 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.)
- Revoked
Links
- 239000004519 grease Substances 0.000 claims abstract description 9
- 229920000573 polyethylene Polymers 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 6
- 239000002991 molded plastic Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 230000000750 progressive effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 abstract description 6
- 235000011837 pasties Nutrition 0.000 description 8
- 230000003313 weakening effect Effects 0.000 description 8
- 238000000465 moulding Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
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
- B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
- B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
- B65D17/401—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall
- B65D17/4011—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness characterised by having the line of weakness provided in an end wall for opening completely by means of a tearing tab
Definitions
- the present invention relates to a cartridge for pasty molded plastic product.
- cartridges of pasty product especially grease
- Such cartridges are intended for use with apparatus or pistols distributors.
- the user tears off the bottom of the cartridge to allow the introduction, through the passage thus formed, of a piston pushing the product towards the outlet pasty contained in the cartridge.
- Document US-A-4 380 303 describes an example of this type of cartridge.
- the present invention relates to improvements brought to this type of cartridge in order to facilitate the removal of their bottom before their use in apparatus such as dispensing guns.
- this cartridge of pasty product such as especially grease, of molded plastic material, for pistol distributor pistol, usable in said pistol as tubular body to ensure, in cooperation with said piston, the progressive delivery of fat through one of its ends, normally closed before use, by a plug, the other end of the tubular body being, before use, closed by a bottom coming directly from molding at the same time as the lateral part of the tubular body, is characterized in that the bottom is connected to the side wall of the tubular body by a connection zone with reduced resistance, so that its detachment from the tubular body before use in the dispensing gun, provides a smooth passage through which can be engaged the piston ensuring the delivery of the grease, towards the outside of the cartridge.
- the cartridge of pasty product shown on the Figures 1 and 2 is made of molded plastic and advantageously made of polyethylene which is a material degradable. It comprises a tubular body 1 which is closed, at its left end, by a bottom 2, coming from molding with the side wall of the body 1, and which is closed, at its right end left open, by a removable cap 3.
- This cartridge is intended to be used in a dispenser after removal from its bottom 2 so as to allow the introduction progressive, in the tubular body, of a piston, mobile from left to right, which is intended to push back gradually the pasty product through the orifice of straight outlet, the removable plug 3 having been naturally removed beforehand.
- the latter is connected to the side wall of the tubular body 1 by a lower resistance connection zone 4, which extends between the periphery of the bottom 2 and the end of the body tubular 1.
- This lower resistance connection zone 4 consists of a circular groove whose depth is equal to a fraction of the thickness of the bottom 2.
- the cartridge 1 also includes, on the removable base 2, a gripping member 5, integral with the bottom 2 and which is arranged so that when pulling towards the outside of the cartridge and more particularly to the left in Figure 1, as shown by arrow f, this traction causes the uprooting of the bottom 2 and therefore its separation from the tubular body 1 along of the lower resistance connection zone 4, creating a smooth passage through which the piston can be engaged ensuring the discharge of the pasty product towards the outside, at the end of cartridge 1 which was closed by the plug 3.
- a gripping member 5 integral with the bottom 2 and which is arranged so that when pulling towards the outside of the cartridge and more particularly to the left in Figure 1, as shown by arrow f, this traction causes the uprooting of the bottom 2 and therefore its separation from the tubular body 1 along of the lower resistance connection zone 4, creating a smooth passage through which the piston can be engaged ensuring the discharge of the pasty product towards the outside, at the end of cartridge 1 which was closed by the plug 3.
- the strip reinforcement 11 which simply consists of an additional thickness sufficient material for traction on strip 7 for detachment according to the zones weakening 4 and 6, does not cause fracture or cutting of the strip 7 thus detached until complete separation of the bottom 2; advantageously, the strip of reinforcement 11 will extend arranged as close as possible to the weakening zone 4 according to an open circular ring of width corresponding to about 1/3 of the width of the tear strip 7 and over a height of between 2 and 3 times the average thickness of the bottom 2.
- the strip of reinforcement 11 is itself attached to the base of a ring gripping 5 by a 10 'oblique radial connection along a lower resistance connection zone 9 connecting the weakening zone 4 external to the zone internal weakening 6.
- the gripping ring 5 also attached to the strip 7 allows, by pulling outwards, to initiate the detachment of band 7 by initiating failure in the zone of maximum weakening corresponds to the junction of the radial loss 9 and internal circular weakening 6; Once initiated the rupture at this point, the ring 5 will cause the detachment of band 7 first along the area of lower resistance connection 9, then by traction continues along the weakening zones 4 and 6; the tear strip 7 being reinforced by strip 11 can endure significant traction providing sound detachment quickly and safely. Compared to the previous variant, we therefore observe a better security of the detachment providing better cartridge performance by reducing the area radial weakening 9 to a single groove.
- the cartridge 1 will preferably be made of a degradable molded plastic such than, for example, polyethylene.
- all the connecting areas at least resistance 4, 6, 8 and 9 preferably have a profile in "V" of depth such that the thickness remaining at the base "V” is conventionally sufficient to withstand the internal pressure of the load on the bottom in all circumstances and fine enough to be easily detached by manual pull of the ring 5.
- V profile is by no means the only possible and the weakened areas could as well be on the internal face of the bottom 2.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Coating Apparatus (AREA)
- Packages (AREA)
Abstract
Description
La présente invention concerne une cartouche de produit pâteux en matière plastique moulée.The present invention relates to a cartridge for pasty molded plastic product.
On connaít déjà des cartouches de produit pâteux, notamment de graisse, qui comportent un corps tubulaire fermé, à l'une de ses extrémités, par un fond venant de moulage avec la paroi latérale du corps et, à son autre extrémité, par un bouchon amovible obturant l'orifice de sortie de la cartouche. De telles cartouches sont destinées à être utilisées avec des appareils ou pistolets distributeurs. A cet effet, l'utilisateur arrache préalablement le fond de la cartouche pour permettre l'introduction, à travers le passage ainsi formé, d'un piston refoulant vers l'orifice de sortie le produit pâteux contenu dans la cartouche. Le document US-A-4 380 303 décrit un exemple de ce type de cartouche.We already know cartridges of pasty product, especially grease, which have a tubular body closed, at one of its ends, by a bottom coming from molding with the side wall of the body and at its other end, by a removable plug closing the orifice of cartridge outlet. Such cartridges are intended for use with apparatus or pistols distributors. For this purpose, the user tears off the bottom of the cartridge to allow the introduction, through the passage thus formed, of a piston pushing the product towards the outlet pasty contained in the cartridge. Document US-A-4 380 303 describes an example of this type of cartridge.
La présente invention concerne des perfectionnements apportés à ce type de cartouche dans le but de faciliter l'enlèvement de leur fond avant leur utilisation dans des appareils tels que pistolets distributeurs.The present invention relates to improvements brought to this type of cartridge in order to facilitate the removal of their bottom before their use in apparatus such as dispensing guns.
A cet effet, cette cartouche de produit pâteux, tels que spécialement de la graisse, en matière plastique moulée, pour pistolet distributeur à piston, utilisable dans ledit pistolet comme corps tubulaire pour assurer, en coopération avec ledit piston, le refoulement progressif de la graisse à travers l'une de ses extrémités, normalement obturée avant utilisation, par un bouchon, l'autre extrémité du corps tubulaire étant, avant utilisation, fermée par un fond venant directement de moulage en même temps que la partie latérale du corps tubulaire, est caractérisée en ce que le fond est relié à la paroi latérale du corps tubulaire par une zone de liaison à moindre résistance, de telle manière que son détachement du corps tubulaire avant utilisation dans le pistolet distributeur, procure un passage lisse au travers duquel peut être engagé le piston assurant le refoulement de la graisse, vers l'extérieur de la cartouche.For this purpose, this cartridge of pasty product, such as especially grease, of molded plastic material, for pistol distributor pistol, usable in said pistol as tubular body to ensure, in cooperation with said piston, the progressive delivery of fat through one of its ends, normally closed before use, by a plug, the other end of the tubular body being, before use, closed by a bottom coming directly from molding at the same time as the lateral part of the tubular body, is characterized in that the bottom is connected to the side wall of the tubular body by a connection zone with reduced resistance, so that its detachment from the tubular body before use in the dispensing gun, provides a smooth passage through which can be engaged the piston ensuring the delivery of the grease, towards the outside of the cartridge.
On décrira ci-après, à titre d'exemple non limitatif, plusieurs variantes d'exécution de la présente invention, en référence aux dessins annexés sur lesquels :
- La figure 1 est une vue en élévation, avec arrachement partiel, d'une cartouche de produit pâteux suivant l'invention.
- La figure 2 est une vue frontale, prise de la gauche sur la figure 1, montrant le fond de la cartouche pourvu de zones de liaison à moindre résistance.
- La figure 3 est une vue frontale correspondant à une seconde variante du fond de la cartouche conforme à l'invention pourvue de zones de liaison à moindre résistance déterminant une zone d'arrachement munie d'une bande de renfort.
- La figure 4 est une vue en élévation partielle et en coupe IV-IV du fond de la cartouche conforme à l'invention selon la variante représentée en figure 3.
- Figure 1 is an elevational view, partially broken away, of a cartridge of pasty product according to the invention.
- Figure 2 is a front view, taken from the left in Figure 1, showing the bottom of the cartridge provided with bonded areas of lower resistance.
- Figure 3 is a front view corresponding to a second variant of the bottom of the cartridge according to the invention provided with connecting zones with less resistance determining a tearing zone provided with a reinforcing strip.
- FIG. 4 is a partial elevation view in section IV-IV of the bottom of the cartridge according to the invention according to the variant shown in FIG. 3.
La cartouche de produit pâteux représentée sur les
figures 1 et 2 est réalisée en matière plastique moulée et
avantageusement en polyéthylène qui est une matière
dégradable. Elle comporte un corps tubulaire 1 qui est
fermé, à son extrémité gauche, par un fond 2, venant de
moulage avec la paroi latérale du corps 1, et qui est
obturé, à son extrémité droite laissée ouverte, par un
bouchon amovible 3. Cette cartouche est destinée à être
utilisée dans un appareil distributeur après l'enlèvement
de son fond 2 de manière à permettre l'introduction
progressive, dans le corps tubulaire, d'un piston, mobile
de la gauche vers la droite, lequel est destiné à refouler
progressivement le produit pâteux à travers l'orifice de
sortie droit, le bouchon amovible 3 ayant été
naturellement enlevé au préalable.The cartridge of pasty product shown on the
Figures 1 and 2 is made of molded plastic and
advantageously made of polyethylene which is a material
degradable. It comprises a tubular body 1 which is
closed, at its left end, by a
Pour faciliter le détachement du fond 2, ce dernier
est relié à la paroi latérale du corps tubulaire 1 par une
zone de liaison 4 à moindre résistance, laquelle s'étend
entre la périphérie du fond 2 et l'extrémité du corps
tubulaire 1. Cette zone de liaison à moindre résistance 4
est constituée par une gorge circulaire dont la profondeur
est égale à une fraction de l'épaisseur du fond 2. La
cartouche 1 comporte également, sur le fond arrachable 2,
un organe de préhension 5, solidaire du fond 2 et qui est
disposé de telle façon que lorsqu'on exerce une traction
vers l'extérieur de la cartouche et plus particulièrement
vers la gauche sur la figure 1, ainsi qu'il est indiqué
par la flèche f, cette traction provoque l'arrachage du
fond 2 et donc sa séparation du corps tubulaire 1 le long
de la zone de liaison à moindre résistance 4, en créant un
passage lisse au travers duquel peut être engagé le piston
assurant le refoulement du produit pâteux vers
l'extérieur, à l'extrémité de la cartouche 1 qui était
obturée par le bouchon 3.To facilitate the detachment of the
Sur la figure 2 est représentée une forme
d'exécution des moyens permettant un arrachage aisé du
fond 2. A l'intérieur, dans le sens radial, de la zone de
liaison 4 à moindre résistance est formée une seconde zone
de liaison à moindre résistance 6, concentrique de la
première, de manière à délimiter entre elles une bande
arrachable circulaire 7. Lesdites zones externe 4 et
interne 6 sont par ailleurs reliées respectivement à
d'autres zones de liaison à moindre résistance 8 et 9,
incurvées vers l'intérieur, en délimitant entre elles une
bande d'arrachage courbe 10. L'organe de préhension qui
est constitué par un anneau 5, est fixé à l'extrémité de
la bande d'arrachage courbe 10. Par conséquent, lorsqu'on
exerce une traction vers l'extérieur sur l'anneau de
préhension 5, celui-ci entraíne en premier lieu la
séparation de la partie extrême de la bande arrachable
courbe 10 du fond 2 proprement dit et la poursuite de la
traction exercée sur l'anneau de préhension 5 se traduit
par l'arrachage complet de la bande 10 puis de la bande
circulaire 7, si bien que le fond 2 est alors détaché en
totalité de la paroi latérale du corps tubulaire 1 sans
laisser de relief ou de bavures sur ladite paroi latérale.In Figure 2 is shown a shape
execution of the means allowing an easy uprooting of the
La variante d'exécution du fond 2 de la cartouche
conforme à l'invention représentée sur les figures 3 et 4
est particulièrement avantageuse et constitue la variante
préférée de l'invention. A cet égard on observera que
toutes les parties de cette variante qui sont communes
avec dans la variante précédente sont référencées de la
même manière afin de simplifier la description de cette
deuxième variante.The variant of the
On a pu vérifier à partir de la variante précédente
du fond 2 de la cartouche 1 conforme à l'invention, que
lorsque certaines matières étaient utilisées pour le
moulage de ladite cartouche 1, l'arrachement de la bande 7
permettant la complète séparation du fond 2 de la
cartouche 1 était quelque fois imparfaite en raison de
possible rupture de la bande arrachable 7 ; on comprend
bien dès lors la difficulté à poursuivre le mouvement de
séparation pouvant parfois même aboutir à la détérioration
de la cartouche elle-même. C'est pourquoi il est proposé
conformément aux figures 3 et 4 une variante palliant à
cet inconvénient. A cet effet, une bande de renfort 11 est
prévue sur l'intérieur de la bande arrachable 7,
indifféremment sur sa face intérieure ou extérieure comme
représentée sur les figures 3 et 4 et disposée de manière
concentrique entre les deux zones de liaison à moindre
résistance externe 4 et interne 6. Bien entendu, la bande
de renfort 11 qui est simplement constituée d'une surépaisseur
de matière suffisante pour que la traction sur
la bande 7 en vue de son détachement suivant les zones
d'affaiblissement 4 et 6, n'entraíne pas de fracture ou de
coupure de la bande 7 ainsi détachée jusqu'à complète
séparation du fond 2 ; avantageusement, la bande de
renfort 11 s'étendra disposé le plus près possible de la
zone d'affaiblissement 4 selon un anneau circulaire ouvert
de largeur correspondante à environ 1/3 de la largeur de
la bande d'arrachage 7 et sur une hauteur comprise entre 2
et 3 fois l'épaisseur moyenne du fond 2. La bande de
renfort 11 est elle-même rattachée à la base d'un anneau
de préhension 5 par une liaison 10' radiale oblique
suivant une zone de liaison à moindre résistance 9 reliant
la zone d'affaiblissement 4 externe à la zone
d'affaiblissement 6 interne.We could check from the previous variant
the
L'anneau de préhension 5 également rattaché à la
bande 7 permet, par une traction vers l'extérieur,
d'amorcer le détachement de la bande 7 par amorce de
rupture au niveau de la zone d'affaiblissement maximum
correspond à la jonction de l'affaiblissement radial 9 et
de l'affaiblissement circulaire interne 6 ; une fois
amorcée la rupture en ce point, l'anneau 5 entraínera le
détachement de la bande 7 d'abord le long de la zone de
liaison à moindre résistance 9, puis par une traction
continue suivant les zones d'affaiblissement 4 et 6 ; la
bande d'arrachage 7 étant renforcée par la bande 11 peut
supporter une traction importante procurant son
détachement de manière rapide et sûre. Par rapport à la
variante précédente, on observe donc une meilleure
sécurité du détachement procurant une meilleure
performance à la cartouche en réduisant la zone
d'affaiblissement radiale 9 à une seule gorge.The
Bien entendu, qu'il s'agisse de la première ou de la deuxième variante, la cartouche 1 sera préférentiellement réalisée en une matière plastique moulée dégradable telle que, par exemple, le polyéthylène.Of course, whether it is the first or the second variant, the cartridge 1 will preferably be made of a degradable molded plastic such than, for example, polyethylene.
Enfin toutes les zones de liaison à moindre
résistance 4,6,8 et 9 ont préférentiellement un profil en
"V" de profondeur telle que l'épaisseur restante à la base
du "V" soit classiquement suffisante pour résister à la
pression interne de la charge sur le fond en toutes
circonstances et suffisamment fine pour être facilement
détachée par traction manuelle de l'anneau 5.Finally all the connecting areas at least
Naturellement, le profil en "V" n'est en aucun cas
le seul possible et les zones d'affaiblissement pourraient
aussi bien être sur la face interne du fond 2.Of course, the "V" profile is by no means
the only possible and the weakened areas could
as well be on the internal face of the
Claims (8)
- Cylindrical grease cartridge made of moulded plastic, in the form of a tubular body (1) for use in a grease gun with a piston, which in cooperation with the said piston, brings about the progressive expulsion of the grease through one of its ends which is normally blocked by a plug (3) before use, the other end of the tubular body (1) being closed off before use by a bottom (2) moulded directly at the same time as the lateral part of the tubular body (1), to which it is attached via a connection zone (4) of lesser strength which, in cooperation with a second connection zone (6), also of lesser strength and concentric with the first zone, delimit between them a circular tear-off strip (7) on the bottom (2) whose end is connected to a gripping element (5) advantageously consisting of a ring,
characterised in that
the outer zone (4) and the inner zone (6) are attached to at least one curved radial or obliquely radial and weaker connection zone (8, 9) directed towards the centre of the bottom (2) and delimiting a tear-off strip (10, 10') thereof, such that the detachment of the said bottom (2) of the tubular body (1) before use in the grease gun produces a smooth passage through which the piston can be engaged. - Cartridge according to Claim 1,
characterised in that
a reinforcing strip (11) is provided on the tear-off strip (7) and is arranged concentrically between the two connection zones of lesser strength, namely the external zone (4) and the internal zone (6) which are connected together by an obliquely radial weaker zone (9) of the same type, the said reinforcing strip (11) following the weaker zone (9) along a connection (10') but not intersecting it, and being itself attached to the bottom of the gripping element (5). - Cartridge according to Claim 2,
characterised in that
the reinforcing strip (11) is formed by an excess thickness of material sufficient to ensure that pulling the tear-off strip (7) delimited by the weaker zones (4) and (6) will not break or cut the said strip (7) before it has been completely detached from the tubular body (1). - Cartridge according to the preceding claim,
characterised in that
the reinforcing strip (11) extends as close as possible to the weaker zone (4) around an open circular ring of width corresponding to about one-third of the width of the said tear-off strip (7) and is of a height between two and three times the average thickness of the bottom (2). - Cartridge according to any of Claims 2, 3 or 4,
characterised in that
the reinforcing strip (11) may be located just as well on the inside or on the outside face of the bottom (2). - Cartridge according to any of the preceding claims,
characterised in that
the weaker connection zones (4, 6, 8 and 9) have a V-shaped profile of depth such that the thickness of the strip remaining at the bottom of the "V" suffices to resist the pressure of the internal charge against the bottom (2) in all circumstances, but is thin enough to allow easy detachment when the ring (5) is pulled by hand. - Cartridge according to any of the preceding claims,
characterised in that
all the weaker zones (4, 6, 8 and 9) can be just as well located on the inside face of the bottom (2) as on its outside face. - Cartridge according to any of the preceding claims,
characterised in that
it is made from a degradable moulded plastic material such as polyethylene.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95400582A EP0732270B1 (en) | 1995-03-16 | 1995-03-16 | Cartridge with a frangible base for paste products |
| AT95400582T ATE195291T1 (en) | 1995-03-16 | 1995-03-16 | CARTRIDGE WITH BREAKABLE BOTTOM FOR PASTY PRODUCTS |
| DE69518307T DE69518307T2 (en) | 1995-03-16 | 1995-03-16 | Cartridge with a breakable base for pasty products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP95400582A EP0732270B1 (en) | 1995-03-16 | 1995-03-16 | Cartridge with a frangible base for paste products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0732270A1 EP0732270A1 (en) | 1996-09-18 |
| EP0732270B1 true EP0732270B1 (en) | 2000-08-09 |
Family
ID=8221470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP95400582A Revoked EP0732270B1 (en) | 1995-03-16 | 1995-03-16 | Cartridge with a frangible base for paste products |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0732270B1 (en) |
| AT (1) | ATE195291T1 (en) |
| DE (1) | DE69518307T2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202010015980U1 (en) | 2010-11-29 | 2011-03-03 | König, Christian | Device for the metered application and distribution of highly viscous substances |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2928000A1 (en) * | 1978-07-26 | 1980-02-21 | Tokan Kogyo Co Ltd | EASY TO OPEN LID PART |
| US4380303A (en) * | 1980-11-10 | 1983-04-19 | Buckeye Molding Company | Molded container and opening means therefore |
| JPH0596687A (en) * | 1991-10-11 | 1993-04-20 | Yoshida Kogyo Kk <Ykk> | Resin container |
-
1995
- 1995-03-16 AT AT95400582T patent/ATE195291T1/en not_active IP Right Cessation
- 1995-03-16 EP EP95400582A patent/EP0732270B1/en not_active Revoked
- 1995-03-16 DE DE69518307T patent/DE69518307T2/en not_active Revoked
Also Published As
| Publication number | Publication date |
|---|---|
| EP0732270A1 (en) | 1996-09-18 |
| ATE195291T1 (en) | 2000-08-15 |
| DE69518307D1 (en) | 2000-09-14 |
| DE69518307T2 (en) | 2001-06-13 |
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