EP0663283B1 - Drainage element for presses extracting liquid from solid substances - Google Patents
Drainage element for presses extracting liquid from solid substances Download PDFInfo
- Publication number
- EP0663283B1 EP0663283B1 EP95100220A EP95100220A EP0663283B1 EP 0663283 B1 EP0663283 B1 EP 0663283B1 EP 95100220 A EP95100220 A EP 95100220A EP 95100220 A EP95100220 A EP 95100220A EP 0663283 B1 EP0663283 B1 EP 0663283B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drainage
- cuff
- supporting element
- element according
- core
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B9/00—Presses specially adapted for particular purposes
- B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
- B30B9/26—Permeable casings or strainers
- B30B9/262—Permeable casings or strainers means disposed in the casing facilitating the squeezing-out of liquid
Definitions
- the invention relates to a drainage element for presses for separating liquids from solid substances, in particular for fruit presses, comprising a rod-shaped, flexible drainage core with flow paths for draining the squeezed-out liquid from the press space and a liquid-permeable filter sleeve surrounding the drainage core, at least one end of the drainage element is attached to a juice collecting plate, pressure plate or to the press jacket of the press, and a rubber-elastic cuff surrounding the drainage core in the fastening area and on a free section adjoining it.
- Fig. 1 shows a longitudinal section through the known attachment of a drainage element in a fruit press.
- a plurality of drainage elements 3 are arranged in a press space 2, which is delimited by a pressure plate 1, in a known fruit press (not shown).
- a drainage element 3 consists essentially of an elastic drainage core 4, via the external grooves 5, as the section AA shows, the liquid is led out of the press chamber 2 during the pressing process, and a stocking-shaped filter 6 for solid-liquid separation stretched over it.
- the drainage core 4 and the filter 6 are fastened in a core holder 7 at the ends of the drainage element 3.
- the filter 6 will passed over an elastic cuff 8 and fixed with an O-ring 9.
- a disc 10 serves to support the cuff 8 against a cross pin 11 which is pushed laterally into bores in the drainage core 4 and the core holder 7, thus ensuring the axial and radial fixation of the two components 4 and 7 to one another.
- the core holder 7 is connected to the pressure plate 1 by means of a spacer bush 12 and a locking ring 13.
- a cam 14 of the locking ring 13 which engages through a slot 15 in the spacer bush 12 into a groove 16 of the core holder 7, in conjunction with a collar 17 of the spacer bush 12 lying behind the pressure plate 1, secures against axial displacement.
- the invention has for its object to avoid the disadvantages mentioned by a device of the type mentioned.
- this object is achieved by at least one support element for the cuff, which is connected to the cuff in such a way that its deformability in a partial area located in the fastening area is severely restricted compared to the remaining part.
- the support element is designed as a sleeve with high bending rigidity. Further preferred embodiments are characterized in the claims.
- FIG. 2 shows a cuff 8 'similar to the type already shown and explained in FIG. 1.
- a metal sleeve 23 is inserted into the cuff 8' as a support element, and the connection between the metal sleeve and the cuff can be detachable or fixed.
- the metal sleeve 23 closes in the fastening area of the drainage core 4 according to.
- the length of the zone 24 is approximately equal to or less than the jacket thickness 45 according to the fastening area of the drainage core 4.
- the metal sleeve 23 eliminates the disadvantages of the known drainage element mentioned above in connection with FIG. 1, namely the deformations on the grooves 5 for the drainage and the extraction of the rubber-elastic cuff 8 and the filter 6 between the core holder 7 and the drainage core 4.
- a sleeve 26 which lies partly inside the cuff 8'.
- the sleeve 26 projects axially over the cuff 8 'at its end by a piece of length 27.
- the resulting protruding edge serves for better force introduction from the cross pin 11 according to FIG. Fig. 1 for support in the sleeve 26.
- the disc 10 can be omitted.
- Fig. 4 shows a variant of the cuff 8 ', in which the supporting sleeve 28 is flanged on both sides.
- the resulting edges 29, 30 improve the introduction of force into the sleeve 28.
- FIG. 5 shows a cuff 8 ′′ with a support element 31.
- the support element 31 assumes part of the functions of the cuff 8 'according to FIGS. 2-4.
- the support structure is now achieved by connecting the molded parts 8 ′′ and 31 with different deformation properties.
- the support element 31 is made of a rigid plastic and is connected to the elastic cuff 8 ′′ by a snap lock 32. This structure allows the replacement of damaged cuffs 8 '', the support element 31 being reusable.
- Fig. 6 shows a cuff 8 ', in which a sleeve 36 is inserted as a support element so that an axial fixation occurs.
- a sleeve 36 is inserted as a support element so that an axial fixation occurs.
- FIG. 7 shows a connection part for the drainage element 3 in the pressure plate 1, in which the filter 6 is fixed between two conical components 37, 38.
- the drainage core 4 is surrounded by a cuff 8 '' ', in which a sleeve 23' is inserted as a support element.
- FIG. 8 shows a connecting part similar to that according to FIG. 7, the conical component 38 having a sleeve 23 ′′ as a supporting element for the cuff 8 ′′ ′′ being made from one part.
- This embodiment facilitates assembly and makes the cuff 8 '' 'cheaper as a wearing part.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sampling And Sample Adjustment (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
- Filtration Of Liquid (AREA)
- Centrifugal Separators (AREA)
Abstract
Description
Die Erfindung betrifft ein Drainageelement für Pressen zum Ausscheiden von Flüssigkeiten aus festen Stoffen, insbesondere für Früchtepressen, umfassend einen stabförmigen, flexiblen Drainagekern mit Fliesswegen zum Ableiten der ausgepressten Flüssigkeit aus dem Pressraum und eine den Drainagekern umgebende, flüssigkeitsdurchlässige Filterhülle, wobei mindestens ein Ende des Drainageelementes an einer Saftsammelplatte, Druckplatte oder am Pressmantel der Presse befestigt ist, sowie eine den Drainagekern im Befestigungsbereich und auf einem daran anschliessenden freien Abschnitt umgebende gummielastische Stulpe.The invention relates to a drainage element for presses for separating liquids from solid substances, in particular for fruit presses, comprising a rod-shaped, flexible drainage core with flow paths for draining the squeezed-out liquid from the press space and a liquid-permeable filter sleeve surrounding the drainage core, at least one end of the drainage element is attached to a juice collecting plate, pressure plate or to the press jacket of the press, and a rubber-elastic cuff surrounding the drainage core in the fastening area and on a free section adjoining it.
Fig. 1 zeigt einen Längsschnitt durch die bekannte Befestigung eines Drainageelementes in einer Früchtepresse. In einem durch je eine Druckplatte 1 begrenzten Pressraum 2 einer nicht dargestellten bekannten Früchtepresse sind eine Vielzahl Drainageelemente 3 angeordnet.Fig. 1 shows a longitudinal section through the known attachment of a drainage element in a fruit press. A plurality of
Ein Drainageelement 3 besteht im wesentlichen aus einem elastischen Drainagekern 4, über dessen aussenliegende Nuten 5, wie der Schnitt A-A zeigt, die Flüssigkeit während des Pressvorganges aus dem Pressraum 2 herausgeleitet wird, und einem darüber gespannten strumpfförmigen Filter 6 zur Fest-Flüssig-Trennung. Jeweils an den Enden des Drainageelementes 3 sind der Drainagekern 4 und der Filter 6 in einem Kernhalter 7 befestigt. Der Filter 6 wird dabei über eine elastische Stulpe 8 geführt und mit einem O-Ring 9 fixiert. Eine Scheibe 10 dient zur Abstützung der Stulpe 8 gegen einen Querstift 11, der seitlich in Bohrungen des Drainagekernes 4 und des Kernhalters 7 geschoben wird, und so die axiale und radiale Fixierung der beiden Bauteile 4 und 7 zueinander gewährleistet.A
Der Kernhalter 7 wird mithilfe einer Distanzbuchse 12 und eines Sicherungsringes 13 mit der Druckplatte 1 verbunden. Dabei stellt ein Nocken 14 des Sicherungsringes 13, der durch einen Schlitz 15 in der Distanzbuchse 12 in eine Nut 16 des Kernhalters 7 hineingreift, in Verbindung mit einem hinter der Druckplatte 1 liegenden Bund 17 der Distanzbuchse 12 die Sicherung gegen axiales Verschieben her.The
Wie Fig. 1 erkennen lässt, ist der Filter 6 durch Einklemmen zwischen Kernhalter 7, Stulpe 8 und O-Ring 9 in der Distanzbuchse 12 gehalten. Mindestens die Stulpe 8 ist aus einem elastisch verformbaren Material, vorzugsweise aus einem Elastomer gefertigt. Diese Art der Konstruktion hat folgende Nachteile:
- a) Die Klemmkräfte haben eine Verringerung des Innendurchmessers der
elastischen Stulpe 8 zur Folge, wobei die Klemmkräfte teilweise auch auf denDrainagekern 4 übertragen werden. Da derDrainagekern 4 ebenfalls aus einem elastischen Material besteht, wird er dieser Krafteinwirkung entsprechend bleibend verformt. Der Kerndurchmesser wird kleiner, und der Saftabflussquerschnitt in denNuten 5 reduziert sich, was den Saftabfluss behindert. - b) Beim Ablauf des Pressvorganges wirken unter anderem auch
Zugkräfte 20 längs desFilters 6. Da dieStulpe 8 aus einem elastischen Material besteht, wird sie beim Auftreten solcherZugkräfte 20 oberhalb eines bestimmten Betrages mit demFilter 6 durch einen Ringspalt gezogen, welcher zwischen demKernhalter 7 und demDrainagekern 4 gebildet ist. Dies hat Betriebsstörungen zur Folge. - c) Eine weitere Störungsursache ist dadurch bedingt, dass infolge der
Zugkräfte 20 auf demFilter 6 am Aussenumfang derStulpe 8 wegen der Reibung zwischen Filter und Stulpe Kräfte in Längsrichtung angreifen. Die Reibung zwischenStulpe 8 undDrainagekern 4 am Innenumfang der Stulpe hält aber die Stulpe fest, sodass die Längskräfte am Aussenumfang zu einer Längsscherung und damit zu einer Reduktion des Aussendurchmessers derStulpe 8 führen. Dies wiederum führt dazu, dass dieKlemmkraft 22 zwischenKernhalter 7 und Stulpe 8 zur Fixierung desFilters 6 so weit nachlässt, dass derFilter 6 zwischen den klemmenden Teilen herausgezogen wird. Auch dies hat eine Betriebsstörung zur Folge.
- a) The clamping forces result in a reduction in the inner diameter of the
elastic cuff 8, the clamping forces being partially also transmitted to thedrainage core 4. Since thedrainage core 4 also consists of an elastic material, it is permanently deformed in accordance with this force. The core diameter becomes smaller and the juice drainage cross section in thegrooves 5 is reduced, which hinders the juice drainage. - b) When the pressing process takes place,
tensile forces 20 also act along thefilter 6. Since thecuff 8 consists of an elastic material, whensuch tensile forces 20 occur above a certain amount, it is pulled with thefilter 6 through an annular gap, which between theCore holder 7 and thedrainage core 4 are formed is. This leads to malfunctions. - c) Another cause of the fault is due to the fact that, due to the
tensile forces 20 on thefilter 6, forces act in the longitudinal direction on the outer circumference of thecuff 8 due to the friction between the filter and the cuff. The friction between thecuff 8 and thedrainage core 4 on the inner circumference of the cuff, however, holds the cuff in place, so that the longitudinal forces on the outer circumference lead to longitudinal shearing and thus to a reduction in the outer diameter of thecuff 8. This in turn leads to the fact that theclamping force 22 between thecore holder 7 andcuff 8 for fixing thefilter 6 decreases so much that thefilter 6 is pulled out between the clamping parts. This also results in a malfunction.
Die beschriebenen Nachteile sind also durch die gummielastischen Eigenschaften der genannten Teile bedingt. Auf elastisch verformbare Teile kann aber nicht verzichtet werden, da sonst die Lebensdauer der Filter 6 verkürzt wird.The disadvantages described are therefore due to the rubber-elastic properties of the parts mentioned. However, it is not possible to do without elastically deformable parts, since otherwise the service life of the
Der Erfindung liegt die Aufgabe zugrunde, die genannten Nachteile durch eine Vorrichtung der eingangs erwähnten Art zu vermeiden.The invention has for its object to avoid the disadvantages mentioned by a device of the type mentioned.
Gemäss der Erfindung wird diese Aufgabe gelöst durch mindestens ein Stützelement für die Stulpe, welches mit derselben so in Verbindung steht, dass ihre Verformbarkeit in einem im Befestigungsbereich liegenden Teilbereich gegenüber dem restlichen Teil stark eingeschränkt ist.According to the invention, this object is achieved by at least one support element for the cuff, which is connected to the cuff in such a way that its deformability in a partial area located in the fastening area is severely restricted compared to the remaining part.
Es erweist sich dabei als besonders vorteilhaft, wenn das Stützelement als Hülse mit hoher Biegesteifigkeit ausgebildet ist. Weitere bevorzugte Ausführungsformen sind in den Patentansprüchen gekennzeichnet.It proves to be particularly advantageous if the support element is designed as a sleeve with high bending rigidity. Further preferred embodiments are characterized in the claims.
Die Erfindung ist in der folgenden Beschreibung und den Zeichnungen, die Ausführungsbeispiele darstellen, näher erläutert.The invention is closer in the following description and the drawings, which illustrate exemplary embodiments explained.
Es zeigen:
- Fig. 1 einen Schnitt durch eine bekannte Befestigung eines Drainageelementes an der Druckplatte einer Früchtepresse,
- Fig. 2 einen Schnitt durch eine gummielastische Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse,
- Fig. 3 einen Schnitt durch eine weitere gummielastische Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse,
- Fig. 4 einen Schnitt durch eine weitere gummielastische Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse,
- Fig. 5 einen Schnitt durch eine weitere gummielastische Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse,
- Fig. 6 einen Schnitt durch eine weitere gummielastische Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse,
- Fig. 7 einen Schnitt durch einen Anschlussteil mit gummielastischer Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse,
und - Fig. 8 einen Schnitt durch einen weiteren Anschlussteil mit gummielastischer Stulpe zur Befestigung eines erfindungsgemässen Drainageelementes an der Druckplatte einer Früchtepresse.
- 1 shows a section through a known fastening of a drainage element to the pressure plate of a fruit press,
- 2 shows a section through a rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press,
- 3 shows a section through a further rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press,
- 4 shows a section through a further rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press,
- 5 shows a section through a further rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press,
- 6 shows a section through a further rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press,
- 7 shows a section through a connecting part with a rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press,
and - 8 shows a section through a further connecting part with a rubber-elastic cuff for fastening a drainage element according to the invention to the pressure plate of a fruit press.
Fig. 2 zeigt eine Stulpe 8' ähnlich der schon in Fig. 1 gezeigten und erklärten Art. In die Stulpe 8' ist jedoch eine Metallhülse 23 als Stützelement eingelegt, wobei die Verbindung zwischen Metallhülse und Stulpe lösbar oder fest sein kann. Die Metallhülse 23 schliesst im Befestigungsbereich des Drainagekernes 4 gem. Fig. 1 mit der Stulpe 8' bündig ab und reicht mit ihrem anderen Ende so weit, dass sich eine ungestützte Zone 24 der Stulpe 8' ergibt. Die Länge der Zone 24 ist etwa gleich oder kleiner als die Manteldicke 45 eines an den Befestigungsbereich des Drainagekernes 4 gem. Fig. 1 anschliessenden freien Abschnittes 25 der Stulpe 8'.FIG. 2 shows a cuff 8 'similar to the type already shown and explained in FIG. 1. However, a
Durch die Metallhülse 23 sind die oben in Verbindung mit Fig. 1 genannten Nachteile des bekannten Drainageelementes behoben, nämlich die Verformungen an den Nuten 5 für die Drainage und das Herausziehen der gummielastischen Stulpe 8 und des Filters 6 zwischen dem Kernhalter 7 und dem Drainagekern 4.The
Bei dem Ausführungsbeispiel der Stulpe 8' gemäss Fig. 3 wird deren Abstützung durch eine Hülse 26 erreicht, welche teilweise im Innern der Stulpe 8' liegt. Die Hülse 26 überragt die Stulpe 8' an deren Ende axial um ein Stück der Länge 27. Der dadurch entstehende vorstehende Rand dient zur besseren Krafteinleitung vom Querstift 11 gem. Fig. 1 zur Abstützung in die Hülse 26. Hierbei kann auf die Scheibe 10 verzichtet werden.In the exemplary embodiment of the cuff 8 'according to FIG. 3, its support is achieved by a
Fig. 4 zeigt eine Variante der Stulpe 8', bei der die abstützende Hülse 28 beidseitig gebördelt ist. Die hierbei entstandenen Ränder 29, 30 verbessern die Krafteinleitung in die Hülse 28.Fig. 4 shows a variant of the cuff 8 ', in which the supporting
In Fig. 5 ist eine Stulpe 8'' mit einem Stützelement 31 dargestellt. Dabei übernimmt das Stützelement 31 einen Teil der Funktionen der Stulpe 8' gemäss den Fig. 2-4. Die Abstützurg wird nun durch eine Verbindung der Formteile 8'' und 31 mit unterschiedlichen Verformungseigenschaften erreicht. Das Stützelement 31 ist aus einem steifen Kunststoff hergestellt und durch einen Schnappverschluss 32 mit der elastischen Stulpe 8'' verbunden. Dieser Aufbau erlaubt den Austausch von schadhaft gewordenen Stulpen 8'', wobei das Stützelement 31 wiederverwendbar ist.5 shows a
Fig. 6 zeigt eine Stulpe 8', in welche eine Hülse 36 als Stützelement so eingelegt ist, dass eine axiale Fixierung entsteht. Die Herstellung einer derartigen Kombination erfolgt mit Vorteil im Press- oder Spritzgiessverfahren.Fig. 6 shows a cuff 8 ', in which a
In Fig. 7 ist ein Anschlussteil für das Drainageelement 3 in der Druckplatte 1 gezeigt, bei dem der Filter 6 zwischen zwei konusförmigen Bauelementen 37, 38 fixiert ist. Auch hier ist der Drainagekern 4 von einer Stulpe 8''' umgeben, in welche eine Hülse 23' als Stützelement eingelegt ist.7 shows a connection part for the
Fig. 8 zeigt ein Anschlussteil ähnlich jenem gemäss Fig. 7, wobei das konusförmige Bauelement 38 mit einer Hülse 23'' als Stützelement für die Stulpe 8''' aus einem Teil gefertigt ist. Diese Ausführungsform erleichtert die Montage und verbilligt die Stulpe 8''' als Verschleissteil.FIG. 8 shows a connecting part similar to that according to FIG. 7, the
Claims (10)
- Drainage element for presses for separating liquids from solids, in particular for fruit presses, including a rod-shaped flexible drainage core (4) with flow paths (5) for leading the expressed liquid away out of the pressing space (2) and a liquid-permeable filter cover (6) surrounding the drainage core (4), at least one end of the drainage element being secured to a juice collecting plate, pressing plate (1) or to the casing of the press, and a rubbery-elastic cuff (8, 8', 8'', 8''') surrounding the drainage core (4) in the securing region and on a free portion connected thereto, characterised by at least one supporting element (23, 26, 28, 31, 36, 23', 23'') for the cuff (8, 8', 8'', 8'''), connected to the latter in such a manner that its deformability in a partial region situated in the securing region is severely limited relative to the remaining part.
- Drainage element according to claim 1, characterised in that the partial region of the cuff (8') with limited deformability has an expanded internal diameter for receiving the supporting element (23).
- Drainage element according to claim 1, characterised in that the supporting element is in the form of a sleeve (23, 23', 23'', 26, 28, 36) with high bending rigidity.
- Drainage element according to claim 1 or claim 2, characterised in that the supporting element (23) is arranged on the cuff (8') at a distance from its free portion connected to the securing region approximately equal to the surface thickness (45) of the free portion.
- Drainage element according to claim 1 or claim 3, characterised in that the supporting element (26) connected to the cuff (8') projects beyond the cuff (8') in the securing region of the drainage core (4).
- Drainage element according to claim 1 or claim 3, characterised in that the supporting element (26, 28, 36) is rigidly connected to the cuff (8').
- Drainage element according to claim 1 or claim 3, characterised in that the supporting element is in the form of a sleeve (28) with flanges (29, 30).
- Drainage element according to claim 3, characterised in that the supporting element in the form of a sleeve has two regions with different elastic properties following one another in the longitudinal direction.
- Drainage element according to claim 1 or claim 3, characterised in that the cuff (8') connected to the supporting element (36) projects out from either side of the supporting element (36) in the longitudinal direction.
- Drainage element according to claim 1, characterised in that two conical components (37, 38) with a common locating surface for clamping the filter cover (6) are provided for securing the filter cover (6) to the juice collecting plate, pressing plate (1) or to the casing of the press and that the supporting element (23'') for the cuff (8''') is formed in one piece with one securing cone (38).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH00098/94A CH688995A5 (en) | 1994-01-13 | 1994-01-13 | Drainage of a press for separating liquids from solids. |
CH98/94 | 1994-01-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0663283A1 EP0663283A1 (en) | 1995-07-19 |
EP0663283B1 true EP0663283B1 (en) | 1997-08-06 |
Family
ID=4179204
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP95100220A Expired - Lifetime EP0663283B1 (en) | 1994-01-13 | 1995-01-09 | Drainage element for presses extracting liquid from solid substances |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0663283B1 (en) |
AT (1) | ATE156417T1 (en) |
CH (1) | CH688995A5 (en) |
DE (1) | DE59500449D1 (en) |
ES (1) | ES2106570T3 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH688121A5 (en) * | 1994-06-01 | 1997-05-30 | Bucher Guyer Ag Masch | Drainage for presses for separating liquids from solids. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH413599A (en) * | 1962-09-21 | 1966-05-15 | Bucher Guyer Ag Masch | Press for extracting juice from fruit, grapes and the like |
DE3132466A1 (en) * | 1981-08-17 | 1983-02-24 | Bucher-Guyer AG Maschinenfabrik, 8166 Niederweningen, Zürich | FASTENING DEVICE FOR A DRAINAGE ELEMENT IN A PRESS |
CH676692A5 (en) * | 1988-08-30 | 1991-02-28 | Bucher Guyer Ag Masch |
-
1994
- 1994-01-13 CH CH00098/94A patent/CH688995A5/en not_active IP Right Cessation
-
1995
- 1995-01-09 ES ES95100220T patent/ES2106570T3/en not_active Expired - Lifetime
- 1995-01-09 AT AT95100220T patent/ATE156417T1/en not_active IP Right Cessation
- 1995-01-09 EP EP95100220A patent/EP0663283B1/en not_active Expired - Lifetime
- 1995-01-09 DE DE59500449T patent/DE59500449D1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CH688995A5 (en) | 1998-07-15 |
ATE156417T1 (en) | 1997-08-15 |
EP0663283A1 (en) | 1995-07-19 |
ES2106570T3 (en) | 1997-11-01 |
DE59500449D1 (en) | 1997-09-11 |
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