EP0358112B1 - Schrämarm für Schrämmaschinen zum Schneiden von Gestein, Beton, etc. - Google Patents

Schrämarm für Schrämmaschinen zum Schneiden von Gestein, Beton, etc. Download PDF

Info

Publication number
EP0358112B1
EP0358112B1 EP89116095A EP89116095A EP0358112B1 EP 0358112 B1 EP0358112 B1 EP 0358112B1 EP 89116095 A EP89116095 A EP 89116095A EP 89116095 A EP89116095 A EP 89116095A EP 0358112 B1 EP0358112 B1 EP 0358112B1
Authority
EP
European Patent Office
Prior art keywords
jib according
cutter
cutter jib
rollers
cutting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP89116095A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0358112A1 (de
Inventor
Luigi Madrigali
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Maschinenfabrik Korfmann GmbH
Original Assignee
Maschinenfabrik Korfmann GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maschinenfabrik Korfmann GmbH filed Critical Maschinenfabrik Korfmann GmbH
Publication of EP0358112A1 publication Critical patent/EP0358112A1/de
Application granted granted Critical
Publication of EP0358112B1 publication Critical patent/EP0358112B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/02—Chain saws equipped with guide bar
    • B27B17/04—Roller bearing guides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/02—Chain saws equipped with guide bar
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B17/00—Chain saws; Equipment therefor
    • B27B17/12—Lubricating devices specially designed for chain saws
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28D—WORKING STONE OR STONE-LIKE MATERIALS
    • B28D1/00—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor
    • B28D1/02—Working stone or stone-like materials, e.g. brick, concrete or glass, not provided for elsewhere; Machines, devices, tools therefor by sawing
    • B28D1/12—Saw-blades or saw-discs specially adapted for working stone
    • B28D1/124—Saw chains; rod-like saw blades; saw cables
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21C—MINING OR QUARRYING
    • E21C25/00—Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam
    • E21C25/22—Machines slitting solely by one or more cutter chains moving unidirectionally along jibs
    • E21C25/28—Chains or chain guides
    • E21C25/30—Chain guides

Definitions

  • the invention relates to a cutting arm for cutting machines for cutting stone, concrete, etc., on which in an open guide channel an outer rotating cutting belt driven with cutting tools and inside with supporting members rotates, the supporting members being mounted on the bottom and on the side walls of the guide channel and being longitudinally movable are guided and the lower part of each support member is designed for engagement with a corresponding toothing of a drive pinion at one end of the cutting arm.
  • the support members slide on the bottom and on the side walls of the guide channel along the straight or slightly curved channel sections between the drive pinion at one end of the cutter arm and a deflection wheel at its other end.
  • a high level of sliding friction occurs, in particular at the bottom of the guide channel, with the result of rapid wear of the support members and also of the channel wall, especially since cutting dust penetrating into the channel has an emery effect.
  • the guide channel and the cutting belt and in particular the support members are heated up strongly.
  • the invention is therefore based on the object of further developing a cutting arm of the type mentioned in such a way that the friction is significantly reduced and thus the energy consumption and wear on the channel guides and on the cutting belt are reduced.
  • This object is achieved in that the support members rest on a flexible inner belt which rotates on rolling elements on the bottom of the guide channel.
  • the invention thus takes a path that deviates from the conventional guidance and mounting of the cutting belt in the guide channel of the cutting arm.
  • This new mounting can also be transferred to cutting chains that slide in a guide channel, even if the invention is explained and supplemented below with reference to a flexible cutting belt.
  • a corresponding transfer of the individual parts of the invention to conventional cutting chains, namely the placement of a cutting chain on a flexible inner belt in the guide channel, which rotates on roller bodies arranged on the bottom of the guide channel, is readily possible for the person skilled in the art.
  • the essence of the invention can be summarized in that the flexible cutting belt is placed on rolling elements which operate in the guide channel in the same direction of movement as the cutting belt, with the interposition of an inner belt between the rolling elements and the cutting belt, through which the rolling elements are held in the guide channel and which transfers the cutting pressure acting on the support members evenly to the rolling elements.
  • the invention provides for the guide channel to form a closed loop, the pinion-side reversing bend of which runs in front of the drive pinion. While the cutting belt runs over the drive pinion as before, with its support members engaging with corresponding toothed members of the drive pinion, the closed loop of the guide channel bends before reaching the drive pinion, so that the cutting belt separates from the inner belt and only after it has rotated the drive pinion comes into engagement with the inner belt again. At this point, it should be pointed out that the inner belt is frictionally entrained by the support members at substantially the same speed.
  • the inner belt and the rolling elements are guided on the side walls of the guide channel, so that both the inner belt and the rolling elements are given an exact path of movement and high circulation speeds are readily possible due to this reliable guidance.
  • the rolling elements preferably consist of rollers which are arranged in a row one behind the other in the guide channel.
  • the rollers transmit the cutting pressure taken over by the inner belt through line contact to the entire width of the bottom of the guide channel.
  • the rollers are very easy to manufacture and assemble. Replacement work is also easy to carry out.
  • the rollers are rotatably mounted in the guide channel in the manner of a roller table.
  • the rollers are rotatably mounted either directly on the side walls of the guide channel or in a corresponding insert or cage which is inserted in the guide channel.
  • the roller bearing on the reversing sheet near the sprocket can be made simpler or lighter if necessary, if only the inner belt is to be deflected, but not also a roller conveyor as in other versions.
  • rollers are slightly conical or spherical in shape, so that the side friction is as low as possible, and yet a sufficiently wide roller circumference is retained.
  • the rollers are inserted loosely into the guide channel, wherein they are held together by the inner belt in the guide channel. They form a dense row of rollers, each of which rolls on the top of the inner belt and below on the bottom of the guide channel.
  • the inner belt rotates twice as fast as the rolling element train, or, conversely, the rolling elements rotate at half the speed relative to the inner belt and the cutting belt, so that the friction is reduced accordingly.
  • the rollers are dimensioned such that they are guided with a slight play between the two opposite side walls of the channel, preferably with a small contact surface due to the slightly conical or spherical shape of the sides of the rollers.
  • the loosely inserted rollers are provided on both sides with pins which engage in guide grooves parallel to the floor on the side walls of the guide channel.
  • This guide can facilitate maintenance work, for example, if the inner belt is removed and the loosely inserted rollers are then no longer held together by the inner belt.
  • a holding strap with the inner belt can also be put on the rollers for holding the same together when the inner belt is removed.
  • guidance by means of pins and grooves can be preferred.
  • the dimensions and spacings of the pins and the guide grooves should be chosen according to the invention such that the pins do not touch the wall of the guide groove when the rollers are in contact with the ground. This arrangement creates no additional friction during normal operation of the cutter arm, and the pins and guide grooves only take on a function in exceptional cases, namely when the inner belt is removed, for example.
  • the rollers can each have an annular recess in the middle, so that they - seen in profile - assume a dumbbell shape, have a lower weight and, in addition, only have the guide surfaces on the right and Left full disks in the recess are in contact.
  • rollers are connected to one another in the manner of a roller chain.
  • the rollers remain in the guide channel when the inner belt is removed.
  • this solution allows the rollers to be kept at a predetermined distance from one another. Guiding by means of pins and guide grooves can be omitted in this embodiment.
  • a connection from roll to roll can, for example, very easily consist of a curve-flexible, longitudinally rigid strand with annular eyes arranged at the roll spacing for receiving lateral pins of the rolls. This connecting strand only has the task of holding the rollers at a predetermined distance in the guide channel, so that they are not subjected to tensile force comparable to a roller chain.
  • the roller bodies can also consist of balls.
  • the balls are preferably arranged on the inside in two rows in the guide channel, which are separated from one another.
  • the balls are expediently inserted loosely and separated from one another by a partition.
  • the balls like the rollers, in particular if they are arranged next to one another in two rows, ensure reliable support of the inner belt, which in turn forms a moving pressure and support surface of the support members of the cutting belt.
  • the rows of balls are also guided on both sides in the guide channel, so that their path of movement is predetermined. Due to the almost punctiform engagement of the balls with the adjacent contact surfaces of the guide channel and the inner belt, the friction is reduced even further, the wear on the guides, the inner belt and the others moving components is also less than when using rollers.
  • roller body and its guidance and arrangement are designed, according to the invention, preferably for cooling, in particular the roller body and the inner belt and the guide channel, water should be able to be introduced into the lower section of the guide channel by means of feeds. Lubrication and, above all, rinsing and keeping the rolling elements and their guide surfaces clean should be achieved at the same time.
  • the feeds should preferably be arranged in the bottom of the guide channel in order to achieve the most uniform possible distribution and effect.
  • the rolling elements should be made of plastic, in particular for weight reasons.
  • the plastic should be pressure-resistant, abrasion-resistant and corrosion-resistant, especially waterproof. Plastic roller bodies run quietly and cause little wear on the guides. It can also be provided that the rolling elements are given a wear-resistant metal jacket.
  • the floor and the side walls of the guide channel should have a smooth, in particular polished and highly wear-resistant surface, which can possibly be achieved with a coating or a lining of the guide channel.
  • the support members should mainly consist of a pressure-resistant and highly wear-resistant plastic for weight reasons, with which the function of the support members is guaranteed, including their function as drive means for the cutting belt.
  • the support members can also have a metal casing for reinforcement. It can be advantageous if the cross-sectional support members have the shape of an isosceles trapezoid with drawn-in end faces, so that despite a sufficient height of the support members and a short distance from one another, a relatively small deflection bend and thus a correspondingly small drive pinion is made possible.
  • the diameter and thus the mutual spacing of the rolling elements are matched to the length of the supporting elements and their distance from one another such that the supporting elements cannot tilt under the cutting pressure. This presupposes that the section of the inner belt receiving a support member always rests on at least two rolling bodies or pairs of rolling bodies running one behind the other.
  • the inner belt - like the cutting belt - should have belt inserts where possible, so that no undesired elastic or even permanent elongation of the inner belt can occur.
  • the cutting arm shown in FIG. 1 has an external, endless and flexible cutting belt 1, which is equipped with cutting tools 2 on the outside and support members 3 on the inside.
  • the cutting belt 1 is driven by a drive pinion 4, with the teeth 5 of which the support members 3 engage in the manner of a toothing.
  • the cutting belt 1 is held and guided on its circulation by an outwardly open guide channel 6 on the cutter arm, which is formed on the outer edge of a base body 7 by a web 8 of the same and on both sides of the web 8 by means of screws 9 fastened side plates 10.
  • the guide channel 6 forms a closed loop, the pinion-side reversing arc 11, as can be seen from Fig. 1, runs in front of the drive pinion 4, so that the cutting belt 1 leaves the guide channel 6 at the beginning of the reversing arc 11 for the circulation around the drive pinion 4 and then enters the guide channel 6 again.
  • the support members 3 of the cutting belt 1 rest on an inner belt 12, which in turn is mounted on rolling elements 13 and is therefore carried along by the cutting belt 1 and also rotates on the cutting arm.
  • the cutting belt 1 is constructed from two layers reinforced with belts 14.
  • the inner belt 12 also has corresponding belts 15.
  • Both belts 12, 14 are made of highly wear-resistant plastic.
  • the cutting belt 1 has support plates 16 arranged at a distance for the cutting tools 2. In each case one of the support plates 16 is fastened to the cutting belt 1 by means of a support member 3 located under the cutting belt 1 in the manner shown in the drawing by means of two screw bolts 17.
  • the support members 3 are laterally guided in the guide channel 6 on the side walls 18 and 19, which are formed on the side plates 10. With their underside 20, the support members 3 each rest on the inner belt 12, as the drawing shows.
  • the rolling bodies 13 consist of rollers 13a, loosely arranged in a row in the guide channel 6 in the form of an endless loop, made of highly wear-resistant, pressure-resistant and in particular waterproof plastic. They are slightly conical on their sides 21, so that there is only a relatively small engagement surface laterally with the side walls 18, 19 of the guide channel 6.
  • the rollers 13a roll on the bottom 22 of the guide channel 6, into which feeds 23 lead through the base body 7 and its web 8, through which water is introduced for the purpose of cooling and keeping the guide channel 6 clean and for lubricating the guide surfaces and the moving parts, that flows outwards.
  • the diameter of the Rollers 13a and the length of the support members 3 are coordinated so that there are always at least two rollers 13a in engagement below each support member 3. In this way, the cutting pressure transmitted from the cutting tools 2 to the support members 3 is distributed to at least two rollers 13a during operation of the cutting arm.
  • the use of two belts according to the invention in the form of the cutting belt 1 and the inner belt 12 anyway contributes to a distribution and equalization of the cutting pressure on the rollers 13a.
  • the rollers 13a are securely guided and held together in the guide channel 6 laterally between the side walls 18, 19 and below on the floor 22 and above by the inner belt 12.
  • the speed of the rollers 13a is only half as great as that of the inner belt 12 and the cutting belt 1 on their circulation around the cutting arm, whereby the centrifugal force acting on the rollers 13a is considerably reduced. Because of the three sizes, mass, radius and speed, which are decisive for the centrifugal force, the last-mentioned size is known to be square in the product to be formed, which is very essential for high-speed cutting machines.
  • the second exemplary embodiment according to FIGS. 4 and 5 differs from the previously described first exemplary embodiment as far as the invention is concerned by the design of the rolling bodies 13 as balls 13b which run in the guide channel 6 in the form of a double row, separated by a central web 24.
  • the shape of the double row is chosen in order to ensure that the support members 3 and the inner belt 12 are supported against tipping.
  • the ball solution has the advantage of a further reduction in the circumferential mass of the rolling elements 13 and a further reduction in the friction due to significantly smaller engagement surfaces with the bottom 22 and the inner belt 12. Since the guide channel 6 is divided into two subchannels in this exemplary embodiment, the water supply lines 23a are correspondingly arranged in two rows.
  • the support members 3 have a metal jacket 25, and the cutting tools 2 are not formed in two parts, as in the first exemplary embodiment, but rather only in one part, as can correspond to the respectively selected frequency of successive cutting tools.
  • the rolling bodies 13 designed as balls 13b the explanations for the first exemplary embodiment also apply in analogous transmission.

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Mining & Mineral Resources (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Sawing (AREA)
EP89116095A 1988-09-03 1989-08-31 Schrämarm für Schrämmaschinen zum Schneiden von Gestein, Beton, etc. Expired - Lifetime EP0358112B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3830047 1988-09-03
DE3830047A DE3830047C1 (es) 1988-09-03 1988-09-03

Publications (2)

Publication Number Publication Date
EP0358112A1 EP0358112A1 (de) 1990-03-14
EP0358112B1 true EP0358112B1 (de) 1992-04-15

Family

ID=6362272

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89116095A Expired - Lifetime EP0358112B1 (de) 1988-09-03 1989-08-31 Schrämarm für Schrämmaschinen zum Schneiden von Gestein, Beton, etc.

Country Status (3)

Country Link
EP (1) EP0358112B1 (es)
DE (2) DE3830047C1 (es)
ES (1) ES2030951T3 (es)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12103199B2 (en) 2019-06-24 2024-10-01 Husqvarna Ab Rotatable cutting chain work tool, a wall saw arrangement comprising such a work tool, an annular member and a method for producing an annular member

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9108725U1 (de) * 1991-07-16 1992-11-19 Maschinenfabrik Korfmann Gmbh, 5810 Witten Schrämarm für Schrämmaschinen zum Schneiden von Naturstein, Beton o.dgl.
DE9110796U1 (de) * 1991-07-16 1991-11-14 Maschinenfabrik Korfmann Gmbh, 5810 Witten Schrämarm für Schrämmaschinen zum Schneiden von Hartgestein
WO1998052728A2 (en) * 1997-05-19 1998-11-26 Daniell Stephen S Powered cutting saw system and method for joining materials
DE19936684C2 (de) * 1999-06-16 2003-03-06 Fraunhofer Ges Forschung Verfahren und Vorrichtungen zur Regelung der seitlichen Auslenkung des Führungssschwertes einer Trennvorrichtung, insbesondere zum Trennen von Steinmaterialien, in der Trennfuge
DE19953505A1 (de) * 1999-11-06 2001-05-17 Ewald Buder Mobile Kettensäge für die Bearbeitung von Beton, Stahlbeton u. Natursteine
EP1481782A1 (en) * 2003-05-28 2004-12-01 Alberto Filippini Fantoni Cutting tool for stone materials
CZ302890B6 (cs) * 2009-05-14 2012-01-11 Mendelova zemedelská a lesnická univerzita v Brne Ústav lesnické a drevarské techniky Motorová rucní retezová pila
CN105257290B (zh) * 2015-11-24 2017-09-19 戴明文 一种石材开采设备

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE944055C (de) * 1956-05-17 Neauphle Le - Chateau Seine-et-Oise und Gaston Lemome Au teuil par Thairy Seme et-Oise Fernand Perrier (Frankreich) Maschine zum Zersägen von Steinen
US3711161A (en) * 1969-12-08 1973-01-16 Gimda Inc Drive means for cutter chain jib
US4081824A (en) * 1977-03-24 1978-03-28 Bell Telephone Laboratories, Incorporated Ohmic contact to aluminum-containing compound semiconductors
EP0014776B1 (fr) * 1979-02-22 1982-01-20 Honoré Joseph Lambot Bras haveur
DE3128264A1 (de) * 1981-07-17 1983-02-03 Maschinenfabrik Korfmann Gmbh, 5810 Witten Schraemarm an einer schraemmaschine
DE3209391A1 (de) * 1982-03-15 1983-09-22 Maschinenfabrik Korfmann Gmbh, 5810 Witten Schneidewerkzeug fuer eine schraemkette oder einen schraemriemen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12103199B2 (en) 2019-06-24 2024-10-01 Husqvarna Ab Rotatable cutting chain work tool, a wall saw arrangement comprising such a work tool, an annular member and a method for producing an annular member

Also Published As

Publication number Publication date
EP0358112A1 (de) 1990-03-14
ES2030951T3 (es) 1992-11-16
DE3830047C1 (es) 1990-04-26
DE58901161D1 (de) 1992-05-21

Similar Documents

Publication Publication Date Title
DE60118948T2 (de) Überführung von gegenständen zwischen entgegengesetzt angetriebenen förderern
WO2010148523A1 (de) Fördereinrichtung und abstützvorrichtung
DE69203085T2 (de) Antriebsvorrichtung für eine Ziehmaschine.
DE3733032A1 (de) Foerdereinrichtung
EP1936216A1 (de) Lineares Wälzlagerelement
DE2501044B2 (de) Vorrichtung zum Herstellen von Wellrohren aus thermoplastischem Kunststoff
EP0358112B1 (de) Schrämarm für Schrämmaschinen zum Schneiden von Gestein, Beton, etc.
DE4001529A1 (de) Tragkette, insbesondere staurollentragkette
DE2504421A1 (de) Antriebsschlitten fuer gewinnungsmaschinen im bergbau
DE3119016C2 (es)
EP1066420B1 (de) Maschine zur oberflächenbearbeitung mindestens einer textilen warenbahn, insbesondere zum rauhen und/oder schmirgeln oder dergleichen
DE3109942A1 (de) Wendelfoerderer
DE2146554C3 (de) Verfahren und Vorrichtung zum LangroUen und/oder Langwirken von Teigstucken Fr. Winkler KG, Spezialfabrik für Bäckereimaschinen und Backöfen, 7730 Villingen
DE2653276C2 (de) Riemchenstreckwerk für Spinnereimaschinen
DE4142060A1 (de) Geradefuehrungseinheit mit einem synchronisierten waelzlagerkaefig
DE2211982C3 (de) Staurollenbahn mit Antrieb über ZwischenroUen
CH631674A5 (de) Endlose gliederkette zum transport von gegenstaenden und verwendung der gliederkette.
CH686506A5 (de) Vorrichtung zum kontinuierlichen Foerdern und Drehen von Werkstuecken.
DE19540177C2 (de) Fördersystem
DE19901091C2 (de) Bandrollgang zum Transportieren von stabförmigen Werkstücken
DE2644490C3 (de) Vorrichtung zum Verschieben der Schützen einer Wellenfach-Webmaschine
DE2752936A1 (de) Doppelmittelkettenfoerderer
DE2152526C3 (de) Vorrichtung zum Ausrichten eines umlaufenden endlosen Filterbandes für Filter
DE1956691A1 (de) Rollen-Speicherfoerderer
CH652764A5 (de) Vorrichtung fuer den schusseintrag an einer bandgreiferwebmaschine.

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): BE CH DE ES FR IT LI

17P Request for examination filed

Effective date: 19900210

17Q First examination report despatched

Effective date: 19910115

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

ITF It: translation for a ep patent filed
AK Designated contracting states

Kind code of ref document: B1

Designated state(s): BE CH DE ES FR IT LI

REF Corresponds to:

Ref document number: 58901161

Country of ref document: DE

Date of ref document: 19920521

ET Fr: translation filed
PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 19920807

Year of fee payment: 4

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2030951

Country of ref document: ES

Kind code of ref document: T3

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: CH

Payment date: 19921123

Year of fee payment: 4

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DE

Effective date: 19930501

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Effective date: 19930831

Ref country code: CH

Effective date: 19930831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF THE APPLICANT RENOUNCES

Effective date: 19930901

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 19980720

Year of fee payment: 10

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: BE

Payment date: 19980825

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 19990831

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 19991007

BERE Be: lapsed

Owner name: MADRIGALI LUIGI

Effective date: 19990831

Owner name: MASCHINENFABRIK KORFMANN G.M.B.H.

Effective date: 19990831

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20000428

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES;WARNING: LAPSES OF ITALIAN PATENTS WITH EFFECTIVE DATE BEFORE 2007 MAY HAVE OCCURRED AT ANY TIME BEFORE 2007. THE CORRECT EFFECTIVE DATE MAY BE DIFFERENT FROM THE ONE RECORDED.

Effective date: 20050831