EP0469289B1 - Deburring and lifting apparatus for revolving presses adapted to the moulding of roof tiles - Google Patents
Deburring and lifting apparatus for revolving presses adapted to the moulding of roof tiles Download PDFInfo
- Publication number
- EP0469289B1 EP0469289B1 EP91110457A EP91110457A EP0469289B1 EP 0469289 B1 EP0469289 B1 EP 0469289B1 EP 91110457 A EP91110457 A EP 91110457A EP 91110457 A EP91110457 A EP 91110457A EP 0469289 B1 EP0469289 B1 EP 0469289B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- suction plate
- cutter frame
- plate
- cutter
- lifting
- 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
Links
- 238000000465 moulding Methods 0.000 title description 8
- 238000004140 cleaning Methods 0.000 abstract description 3
- 239000004927 clay Substances 0.000 description 5
- 239000011449 brick Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/18—Apparatus or processes for treating or working the shaped or preshaped articles for removing burr
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B17/00—Details of, or accessories for, apparatus for shaping the material; Auxiliary measures taken in connection with such shaping
- B28B17/0054—Cleaning devices for cutting means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
- B28B13/06—Removing the shaped articles from moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B5/00—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping
- B28B5/10—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds carried on the circumference of a rotating drum
- B28B5/12—Producing shaped articles from the material in moulds or on moulding surfaces, carried or formed by, in or on conveyors irrespective of the manner of shaping in moulds carried on the circumference of a rotating drum intermittently rotated
- B28B2005/125—Revolving presses
Definitions
- the invention relates to a lifting and deburring device for interlocking brick turret presses with a lifting plate, a suction plate and a knife frame surrounding the suction plate, the suction plate and knife frame being movable relative to one another.
- the knife frame is firmly connected to the lifting plate, which in turn is firmly connected to the press.
- the suction plate is pneumatically inserted into the knife frame for pressing and deburring a ceramic tile.
- a vacuum is then applied to the suction plate in order to be able to lift the pressed and deburred interlocking tile from the associated lower mold.
- the suction plate is pressurized with compressed air and at the same time extended out of the knife frame.
- the invention has for its object to provide a device of the type described above, which ensures proper cleaning of the knives of the knife box and gentle storage of the interlocking tile moldings.
- suction plate is fixed to the lifting plate and thus immovably connected thereto, and that the knife frame is extendable and retractable relative to the suction plate, the knife edges being retractable over the lower edge of an insert arranged on the suction plate.
- the knife frame in the area of the knife edges is advantageously slidably arranged on the oiled felt insert arranged on the circumference of the suction plate in such a way that the knife edges can be retracted over the lower edge of the felt insert.
- the knives of the knife box are constantly oiled through the oiled felt insert in contact with them and any clay residues still adhering when the knife frame is withdrawn are stripped off relative to the suction plate.
- the interlocking tile molding is put down, it is reliably and gently released and deposited from the suction plate by releasing the vacuum and additional compressed air feed, without the suction plate moving relative to the lifting plate connected to the press.
- the knife frame is advantageously guided such that it can move relative to the suction plate by means of rod guide bearings, four rod guide bearings being expediently provided.
- the guide function is thus exclusively assigned to the rod guide bearings in connection with the felt insert, guidance via the extension drive is neither required nor provided.
- a compressed air cylinder arrangement for extending and retracting the knife frame is expediently fitted between the suction plate and the knife frame.
- the compressed air cylinder arrangement advantageously consists of two compressed air piston cylinders, which, as already mentioned, do not have to perform any guiding functions and can accordingly be of simple and robust design.
- the extension and retraction drive of the knife frame can advantageously be controlled separately from the operating pneumatics of the suction plate.
- the relative movement between the knife frame and the suction plate can be controlled separately depending on the operational requirements and independently of the actual laying process of the interlocking tile molding.
- suction plate and the knife frame are expediently arranged electrically insulated from one another in order to be able to apply direct voltages of different polarities to the two parts in order to improve the detachment of clay.
- the preferred embodiment of the lifting and deburring device according to the invention shown in the drawing also referred to as a suction head, has a lifting plate 1 and a suction plate 2 attached to it.
- a vacuum connection 3 and a compressed air connection 4 are provided in the upper part of the hollow suction plate.
- the underside of the suction plate 2 has suction bores 5 towards the interlocking tile blank 6.
- the suction plate 2 is surrounded by a knife frame 7 which is movable relative to the latter.
- the knife frame 7 can be extended by means of two compressed air piston cylinders 8 in a controlled manner from the position shown in FIG. 1 relative to the suction plate 2 into the position shown in FIG. 2 and can be withdrawn therefrom into the position shown in FIG. 1.
- the knife frame 7 is guided relative to the suction plate 2 by means of four rod guide bearings 9 which slide onto the bolts 10 connecting the lifting plate 1 and the suction plate 2.
- a felt insert 11 is attached, on which the knife 12 of the knife frame 7 slide.
- holes are provided in the side walls of the suction plate, which are supplied by a central oil connection for constant or intermittent oiling of the felt insert 11.
- the knives 12 of the knife frame 7 are electrically insulated from the suction plate 2 by an insulating insert 14. By applying direct voltages of opposite polarities to the suction plate 2 on the one hand and the knives 12 on the other hand, the cleaning effect on the knives 12 can be further improved.
- the extension and retraction drive of the knife frame 7 can be controlled separately from the operating pneumatics of the suction plate 2. This allows the movement of the knife frame 7 regardless of the actuation of the operating pneumatics of the suction plate 2 and adapted to the respective most favorable conditions for the suction and Placing the interlocking tile molding 6 can be controlled.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Structural Engineering (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Treatment Of Fiber Materials (AREA)
Abstract
Description
Die Erfindung bezieht sich auf eine Abhebe- und Entgratvorrichtung für Falzziegel-Revolverpressen mit einer Abhebeplatte, einer Saugplatte und einem die Saugplatte umgebenden Messerrahmen, wobei Saugplatte und Messerrahmen relativ zueinander bewegbar sind.The invention relates to a lifting and deburring device for interlocking brick turret presses with a lifting plate, a suction plate and a knife frame surrounding the suction plate, the suction plate and knife frame being movable relative to one another.
Bei einer derartigen bekannten Abhebe- und Entgratvorrichtung (siehe z.B. die DE-A- 2808284) ist der Messerrahmen fest mit der Abhebeplatte verbunden, die ihrerseits mit der Presse fest verbunden ist. Die Saugplatte wird zum Pressen und Entgraten eines Falzziegels aus keramischer Masse pneumatisch in den Messerrahmen eingefahren. Die Saugplatte wird dann mit einem Vakuum beaufschlagt, um den gepreßten und entgrateten Falzziegel von der zugehörigen Unterform abheben zu können. Beim Ablegen des gepreßten Falzziegels auf einen Rahmen wird die Saugplatte mit Druckluft beaufschlagt und gleichzeitig aus dem Messerrahmen ausgefahren.In such a known lifting and deburring device (see e.g. DE-A-2808284) the knife frame is firmly connected to the lifting plate, which in turn is firmly connected to the press. The suction plate is pneumatically inserted into the knife frame for pressing and deburring a ceramic tile. A vacuum is then applied to the suction plate in order to be able to lift the pressed and deburred interlocking tile from the associated lower mold. When the pressed interlocking tile is placed on a frame, the suction plate is pressurized with compressed air and at the same time extended out of the knife frame.
Sowohl die Entfernung verbleibender Tonmasse von den Messern des Messerkastens als auch die schonende Ablage des Falzziegelformlings auf dem Transportrahmen wirft hierbei Probleme auf.Both the distance of the remaining clay from the knives of the knife box and the gentle storage of the interlocking tile molding on the transport frame poses problems here.
Der Erfindung liegt die Aufgabe zugrunde, eine Vorrichtung der eingangs beschriebenen Art zu schaffen, die eine einwandfreie Reinigung der Messer des Messerkastens und eine schonende Ablage der Falzziegelformlinge gewährleistet.The invention has for its object to provide a device of the type described above, which ensures proper cleaning of the knives of the knife box and gentle storage of the interlocking tile moldings.
Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die Saugplatte fest mit der Abhebeplatte und damit unbeweglich gegenüber dieser verbunden ist, und daß der Messerrahmen gegenüber der Saugplatte ausfahrbar und zurückziehbar angeordnet ist, wobei die Messerkanten über die Unterkante einer an der Saugplatte angeordneten Einlage zurückziehbar sind.This object is achieved in that the suction plate is fixed to the lifting plate and thus immovably connected thereto, and that the knife frame is extendable and retractable relative to the suction plate, the knife edges being retractable over the lower edge of an insert arranged on the suction plate.
Vorteilhaft ist der Messerrahmen im Bereich der Messerkanten auf der am Umfang der Saugplatte angeordneten geölten Filzeinlage derart gleitend angeordnet, daß die Messerkanten über die Unterkante der Filzeinlage zurückziehbar sind.The knife frame in the area of the knife edges is advantageously slidably arranged on the oiled felt insert arranged on the circumference of the suction plate in such a way that the knife edges can be retracted over the lower edge of the felt insert.
Mit der erfindungsgemäßen Vorrichtung werden die Messer des Messerkastens ständig durch die in Kontakt mit ihnen stehende geölte Filzeinlage geölt und etwa noch haftende Tonrückstände beim Zurückziehen des Messerrahmens gegenüber der Saugplatte abgestreift. Beim Ablegen des Falzziegelformlings wird dieser von der Saugplatte durch Ablassen des Vakuums und zusätzliche Drucklufteinspeisung zuverlässig und schonend gelöst und abgelegt, ohne daß sich die Saugplatte gegenüber der mit der Presse verbundenen Abhebeplatte bewegt.With the device according to the invention, the knives of the knife box are constantly oiled through the oiled felt insert in contact with them and any clay residues still adhering when the knife frame is withdrawn are stripped off relative to the suction plate. When the interlocking tile molding is put down, it is reliably and gently released and deposited from the suction plate by releasing the vacuum and additional compressed air feed, without the suction plate moving relative to the lifting plate connected to the press.
Vorteilhaft ist der Messerrahmen mittels Stangenführungslagern gegenüber der Saugplatte bewegbar geführt, wobei zweckmäßig vier Stangenführungslager vorgesehen sind. Die Führungsfunktion ist damit ausschließlich den Stangenführungslagern in Verbindung mit der Filzeinlage zugeordnet, eine Führung über den Ausfahrantrieb weder erforderlich noch vorgesehen.The knife frame is advantageously guided such that it can move relative to the suction plate by means of rod guide bearings, four rod guide bearings being expediently provided. The guide function is thus exclusively assigned to the rod guide bearings in connection with the felt insert, guidance via the extension drive is neither required nor provided.
Zwischen der Saugplatte und dem Messerrahmen ist zweckmäßig eine Druckluftzylinderanordnung zum Ausfahren und Zurückziehen des Messerrahmens angebracht.A compressed air cylinder arrangement for extending and retracting the knife frame is expediently fitted between the suction plate and the knife frame.
Die Druckluftzylinderanordnung besteht vorteilhaft aus zwei Druckluftkolbenzylindern, die, wie bereits erwähnt, keine Führungsfunktionen übernehmen müssen und dementsprechend einfach und robust ausgebildet sein können.The compressed air cylinder arrangement advantageously consists of two compressed air piston cylinders, which, as already mentioned, do not have to perform any guiding functions and can accordingly be of simple and robust design.
Vorteilhaft ist der Ausfahr- und Zurückziehantrieb des Messerrahmens getrennt von der Betriebspneumatik der Saugplatte steuerbar. Hierdurch läßt sich die Relativbewegung zwischen Messerrahmen und Saugplatte je nach den betrieblichen Erfordernissen getrennt und unabhängig von dem eigentlichen Ablegevorgang des Falzziegelformlings steuern.The extension and retraction drive of the knife frame can advantageously be controlled separately from the operating pneumatics of the suction plate. As a result, the relative movement between the knife frame and the suction plate can be controlled separately depending on the operational requirements and independently of the actual laying process of the interlocking tile molding.
Die Saugplatte und der Messerrahmen sind zweckmäßig voneinander elektrisch isoliert angeordnet, um die beiden Teile mit Gleichspannungen unterschiedlicher Polaritäten zur Verbesserung der Ablösung von Tonmasse beaufschlagen zu können.The suction plate and the knife frame are expediently arranged electrically insulated from one another in order to be able to apply direct voltages of different polarities to the two parts in order to improve the detachment of clay.
Die Erfindung ist im folgenden an einem Ausführungsbeispiel und anhand der Zeichnungen näher beschrieben. In den Zeichnungen zeigen
- Fig. 1
- eine Teilschnittansicht einer erfindungsgemäßen Abhebe- und Entgratvorrichtung mit zurückgezogenem Messerrahmen,
- Fig. 2
- eine Ansicht wie in Fig. 1 mit ausgefahrenem Messerrahmen, und
- Fig. 3
- eine Draufsicht auf die Vorrichtung nach Fig. 1 und 2 bei abgenommener Abhebeplatte.
- Fig. 1
- 2 shows a partial sectional view of a lifting and deburring device according to the invention with the knife frame withdrawn,
- Fig. 2
- a view as in Fig. 1 with the knife frame extended, and
- Fig. 3
- a plan view of the device of FIGS. 1 and 2 with the lifting plate removed.
Die in der Zeichnung dargestellte bevorzugte Ausführungsform der erfindungsgemäßen Abhebe- und Entgratvorrichtung, auch als Saugkopf bezeichnet, weist eine Abhebeplatte 1 und eine daran befestigte Saugplatte 2 auf. Im Oberteil der hohlen Saugplatte ist ein Vakuumanschluß 3 sowie ein Preßluftanschluß 4 vorgesehen. Die Unterseite der Saugplatte 2 weist Saugbohrungen 5 zum Falzziegelformling 6 hin auf.The preferred embodiment of the lifting and deburring device according to the invention shown in the drawing, also referred to as a suction head, has a
Die Saugplatte 2 ist von einem relativ zu dieser bewegbaren Messerrahmen 7 umgeben. Der Messerrahmen 7 ist mittels zweier Druckluftkolbenzylinder 8 aus der in Fig. 1 dargestellten Stellung gegenüber der Saugplatte 2 gesteuert in die in Fig. 2 dargestellte Stellung ausfahrbar und hieraus wieder in die Stellung gemäß Fig. 1 zurückziehbar.The
Die Führung des Messerrahmens 7 gegenüber der Saugplatte 2 erfolgt durch vier Stangenführungslager 9, die auf die Abhebeplatte 1 und die Saugplatte 2 verbindenden Bolzen 10 gleiten.The
In den Seitenwandungen der Saugplatte 2 ist eine Filzeinlage 11 angebracht, auf der Messer 12 des Messerrahmens 7 gleiten. Zum ölen der Filzeinlage 11 sind in den Seitenwandungen der Saugplatte 2 Bohrungen vorgesehen, die von einem zentralen Ölanschluß zum ständigen oder intermittierenden Ölen der Filzeinlage 11 versorgt werden. Durch das Gleiten der Messer auf der geölten Filzeinlage 11 bleiben wenig Tonreste an den Messern 12 haften, und etwa noch haftende Tonreste werden beim Zurückziehen des Messerkastens 7 gegenüber der Saugplatte 2 an der unteren Kante der Filzeinlage 11 abgestreift.In the side walls of the
Die Messer 12 des Messerrahmens 7 sind durch eine Isoliereinlage 14 gegenüber der Saugplatte 2 elektrisch isoliert. Durch Anlegen von Gleichspannungen entgegengesetzter Polaritäten an die Saugplatte 2 einerseits und die Messer 12 andererseits läßt sich die Reinigungswirkung auf die Messer 12 weiter verbessern.The
Der Ausfahr- und Zurückziehantrieb des Messerrahmens 7 ist getrennt von der Betriebspneumatik der Saugplatte 2 steuerbar. Hierdurch kann die Bewegung des Messerrahmens 7 unabhängig von der Betätigung der Betriebspneumatik der Saugplatte 2 und angepaßt den jeweiligen günstigsten Voraussetzungen für das Ansaugen und Ablegen des Falzziegelformlings 6 gesteuert werden.The extension and retraction drive of the
Dadurch, daß bei der beschriebenen Vorrichtung beim Ablegen des Falzziegelformlings 6 keine Bewegung der Saugplatte 2 gegenüber der Abhebeplatte 1 erfolgt, wird der Falzziegelformling 6 besonders schonend auf dem zugehörigen Tragrahmen abgelegt.Characterized in that in the described device when the interlocking
Claims (8)
- Lifting and deburring device for interlocking roofing tile revolving presses with- a lifting plate (1),- a suction plate (2) and- a cutter frame (7) surrounding the suction plate (2), in which suction plate and cutter frame (1) are movable relative to each other, characterised in that- the suction plate (2) is rigidly connected with the lifting plate (1) and is therefore connected immovably relative to this,- and that the cutter frame (7) is arranged for run-out and retraction in relation to the suction plate, whereby the cutter edges can be drawn back over the bottom edge of an insert (11) arranged on the suction plate (2).
- Device according to claim 1,
characterised in that the cutter frame (7) is arranged for sliding on the greased felt insert (11), arranged on the circumference of the suction plate (2) in the region of the cutter edges, in such a way that the cutter edges can be drawn back over the bottom edge of the felt insert (11). - Device according to claim 1 or 2,
characterised in that the cutter frame (7) is movably guided relative the suction plate (2) by means of rod guide bearings (9). - Device according to claim 3,
characterised in that there are provided four rod guide bearings (9). - Device according to one of the preceding claims,
characterised in that between the suction plate (2) and the cutter frame (7) there is provided a compressed air cylinder arrangement (8, 8) for running out and retracting the cutter frame (7). - Device according to one of the preceding claims,
characterised in that between the suction plate (2) and the cutter frame (7) there are provided two compressed air piston cylinders (8) for running out and retracting the cutter frame (7). - Device according to one of the preceding claims,
characterised in that the run-out and retract drive of the cutter frame (7) is separately controlled by the operating pneumatics of the suction plate (2). - Device according to one of the preceding claims,
characterised in that the suction plate (2) and the cutter frame (7) are arranged electrically insulated from each other.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE9011207U | 1990-07-30 | ||
DE9011207U DE9011207U1 (en) | 1990-07-30 | 1990-07-30 | Lifting and deburring device for interlocking tile turret presses |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0469289A2 EP0469289A2 (en) | 1992-02-05 |
EP0469289A3 EP0469289A3 (en) | 1992-08-26 |
EP0469289B1 true EP0469289B1 (en) | 1994-08-31 |
Family
ID=6856071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP91110457A Expired - Lifetime EP0469289B1 (en) | 1990-07-30 | 1991-06-25 | Deburring and lifting apparatus for revolving presses adapted to the moulding of roof tiles |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0469289B1 (en) |
AT (1) | ATE110617T1 (en) |
DE (2) | DE9011207U1 (en) |
ES (1) | ES2061119T3 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10324067A1 (en) * | 2003-05-27 | 2005-01-05 | Reiner Welz | Planing and deburring device for pressed corrugated roof tiles, comprises suction plate, blade and device for spraying blade with liquid |
DE102005016609B3 (en) * | 2005-04-11 | 2006-07-27 | Reiner Welz | Device to strip and trim pressed doubke depression interlocking tiles comprises moveable suction plate and knife connected to hydraulic device which sprays liquid evenly onto plate using nozzles |
DE102005016610B3 (en) * | 2005-04-11 | 2006-11-09 | Reiner Welz | Lifting and burr-removing device for pressed folded tiles has at least one hydraulic or pneumatic device to extend and withdraw cutter frame |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4333616C1 (en) * | 1993-10-01 | 1995-08-17 | Rieter Werke Haendle | Device for forming depressions in objects made of clay, in particular roof tiles |
DE4417812C1 (en) * | 1994-05-20 | 1995-10-05 | Rieter Werke Haendle | Lifting device for depositing a molded article formed on a press |
CN105692148B (en) * | 2016-04-11 | 2018-04-10 | 晋江新建兴机械设备有限公司 | A kind of west watt steering device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1200149A (en) * | 1957-01-10 | 1959-12-18 | Rieter Werke Dipl Inc Walter H | Process for manufacturing press-molded products based on clay and ceramic masses and press for carrying out the process |
FR1364675A (en) * | 1963-05-11 | 1964-06-26 | Materiel Ceramique Moderne | Release device for tiles or other similar products |
DE1584671B1 (en) * | 1966-06-22 | 1972-03-09 | Rieter Werke Haendle | Lifting and deburring device for interlocking tile revolver presses |
DE2808284C2 (en) * | 1978-02-27 | 1983-11-24 | Erlus Baustoffwerke Ag, 8301 Neufahrn | Device for removing and depositing freshly pressed ceramic articles, in particular roof tiles, from a press mold |
-
1990
- 1990-07-30 DE DE9011207U patent/DE9011207U1/en not_active Expired - Lifetime
-
1991
- 1991-06-25 AT AT91110457T patent/ATE110617T1/en not_active IP Right Cessation
- 1991-06-25 ES ES91110457T patent/ES2061119T3/en not_active Expired - Lifetime
- 1991-06-25 DE DE59102723T patent/DE59102723D1/en not_active Expired - Lifetime
- 1991-06-25 EP EP91110457A patent/EP0469289B1/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10324067A1 (en) * | 2003-05-27 | 2005-01-05 | Reiner Welz | Planing and deburring device for pressed corrugated roof tiles, comprises suction plate, blade and device for spraying blade with liquid |
DE10324067B4 (en) * | 2003-05-27 | 2005-07-28 | Reiner Welz | Apparatus and method for lifting and deburring pressed rebate tiles |
DE102005016609B3 (en) * | 2005-04-11 | 2006-07-27 | Reiner Welz | Device to strip and trim pressed doubke depression interlocking tiles comprises moveable suction plate and knife connected to hydraulic device which sprays liquid evenly onto plate using nozzles |
DE102005016610B3 (en) * | 2005-04-11 | 2006-11-09 | Reiner Welz | Lifting and burr-removing device for pressed folded tiles has at least one hydraulic or pneumatic device to extend and withdraw cutter frame |
Also Published As
Publication number | Publication date |
---|---|
DE59102723D1 (en) | 1994-10-06 |
ATE110617T1 (en) | 1994-09-15 |
DE9011207U1 (en) | 1990-10-04 |
EP0469289A2 (en) | 1992-02-05 |
EP0469289A3 (en) | 1992-08-26 |
ES2061119T3 (en) | 1994-12-01 |
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Legal Events
Date | Code | Title | Description |
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