EP1827722A1 - Finishing monoblock with optimised transmission ratio for a billet rolling plant - Google Patents

Finishing monoblock with optimised transmission ratio for a billet rolling plant

Info

Publication number
EP1827722A1
EP1827722A1 EP05778464A EP05778464A EP1827722A1 EP 1827722 A1 EP1827722 A1 EP 1827722A1 EP 05778464 A EP05778464 A EP 05778464A EP 05778464 A EP05778464 A EP 05778464A EP 1827722 A1 EP1827722 A1 EP 1827722A1
Authority
EP
European Patent Office
Prior art keywords
stands
bevel gear
ratio
gear pairs
monoblock
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.)
Granted
Application number
EP05778464A
Other languages
German (de)
French (fr)
Other versions
EP1827722B1 (en
Inventor
Bruno Monzio Compagnoni
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.)
Pomini Long Rolling Mills SRL
Original Assignee
VAI Pomini SRL
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 VAI Pomini SRL filed Critical VAI Pomini SRL
Publication of EP1827722A1 publication Critical patent/EP1827722A1/en
Application granted granted Critical
Publication of EP1827722B1 publication Critical patent/EP1827722B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
    • B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/005—Cantilevered roll stands

Definitions

  • the present invention refers to a finishing monoblock with optimised transmission ratio for a billet rolling plant .
  • a billet previously taken to a temperature of over 1000 0 C is operated upon to then subject it to rolling so as to gradually reduce its section to the desired size.
  • high mechanical characteristics, elastic limit and deformability in drawing are parameters of particular importance.
  • one of the critical sections thus consists of the finishing monoblock that, through a plurality of rolling stands, reduces the size of the billet producing the wire rod to be sent to the calibrator or directly to the laying head.
  • the rolling rings or cylinders of the rolling stands are arranged alternately staggered for example by 90 degrees, so as to roll different zones of the billet.
  • the total ratio, for a monoblock of ten stands, is valued at about equal to 5.6406254 to be carried out through groups of two stands with five different bevel gear pairs .
  • the aforementioned ratio is, on the other hand, about equal to 3.6627 to be carried out through groups of two stands with four different bevel gear pairs.
  • small bearings can be used to withstand the high speed but they have the drawback of a short lifetime and therefore require frequent maintenance.
  • the variations in transmission ratio carried out through bevel gear pairs as described above also generate the need to have a bevel gear pair with dedicated ratio for each pair of stands with consequent high costs for the spare parts and consequent sizing of other parts of the stands involving both high construction costs and high costs for spares to be kept in stock.
  • the general purpose of the present invention is, therefore, that of providing a finishing monoblock with optimised transmission ratio for a billet rolling plant .
  • Another purpose of the present invention is that of providing a finishing monoblock with optimised transmission ratio that allows the reduction of the stocks of spare parts to be kept in storage.
  • optimised transmission ratio allows the reduction of the stocks of spare parts to be kept in storage.
  • Figure 1 is a schematic view of a finishing monoblock with ten stands for billet rolling plants according to the invention
  • Figure 2 is a schematic view of a finishing monoblock with eight stands for billet rolling plants according to the invention.
  • a monoblock 10 is schematically illustrated in figures 1 and 2 and has ten and eight stands, respectively.
  • the rolling monoblock 10 comprises two parallel mechanical transmissions, a first transmission 11 and a second transmission 12, connected through a command reducer 13 in turn connected through gears to a work driving motor.
  • the mechanical transmissions are equipped with pairs of conical gears A, B, C, D and with gears 17 that transmit the rotation in cascade to the rolling cylinders 18 of the various stands Gl, G2, ..., Gn of the rolling monoblock 10.
  • a monoblock respectively foresees ten rolling stands Gl-GlO (figure 1) or eight rolling stands G1-G8 (figure 2) in succession, commanded alternately through the two transmissions 11 and 12, so that the first transmission 11 commands the odd stands Gl, G3, ..., G9 (or else G7) whereas the second transmission 12 commands the even stands, G2, G4, ..., GlO (or else G8) .
  • the transmission according to the invention is made through the combination of a first type A, B of bevel gear pairs with a second type of bevel gear pairs C, D, by inserting a ratio into the cage exploiting the set of four zones 17, with a different ratio from the set of four 19, so that such a ratio is different between the stands and capable of creating a reduction by themselves so as to eliminate a reduction in size of the bevel gear pair to obtain four stands with the same bevel gear pair.
  • the total ratio for ten stands in the solution according to the present invention is equal to 5.6907497 from which one takes a ratio given by the sets of four and equal to 1.5454545 so that it remains for the bevel gear pairs to distribute a ratio of just 3.6822498 to be carried out in groups of two only on four groups instead of five as in the stands according to the prior art .
  • the differentiation of the set of four provides for a group of two stands, having optimised the intermediate stands with a ratio very close to 1:1 (to be precise 1.244898 and 0.8032786) .
  • the total of the ratio with the new proposed solution is 3.682249 from which a ratio given by the sets of four again of 1.5454545 is taken, with it remaining for the bevel gear pairs to distribute just a ratio of 2.965602, to be carried out in groups of two only on three groups instead of four according to the prior art since the differentiation of the sets of four provides for a group of two stands.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)
  • Metal Rolling (AREA)
  • Structure Of Transmissions (AREA)
  • Control Of Transmission Device (AREA)

Abstract

A finishing monoblock with optimised transmission ratio for a billet rolling plant comprises a plurality of rolling stands (G 1 -Gn) arranged in sequence suitable for forming a rolling line and actuated by a pair of mechanical transmissions ( 11, 12 ) in which bevel gear pairs are foreseen for the variation of ratio in the stands of the rotation speed of rolling cylinders ( 18 ). According to the invention, such a variation of the ratio in the stands is carried out through the combination of a first type (A, B) of bevel gear pairs with a second type of bevel gear pairs (C, D) and there is a set of four of cylindrical gears suitable for making four stands (C, D) with the same transmission bevel gear pair.

Description

FINISHING MONOBLOCK WITH OPTIMISED TRANSMISSION RATIO FOR A BILLET ROLLING PLANT.
The present invention refers to a finishing monoblock with optimised transmission ratio for a billet rolling plant .
In a rolling plant or rolling mill for billets, according to established technology, a billet previously taken to a temperature of over 10000C is operated upon to then subject it to rolling so as to gradually reduce its section to the desired size. In the production of high-quality and special steel wire rods, high mechanical characteristics, elastic limit and deformability in drawing are parameters of particular importance.
In a rolling mill, one of the critical sections thus consists of the finishing monoblock that, through a plurality of rolling stands, reduces the size of the billet producing the wire rod to be sent to the calibrator or directly to the laying head.
To give the wire rod a circular section or in general a regular profile, the rolling rings or cylinders of the rolling stands are arranged alternately staggered for example by 90 degrees, so as to roll different zones of the billet.
In current machines an assembly combination of the rolling cylinders is used to produce different diameters of wire rod, normally starting from the larger sizes to then continue with the subsequent stands, up to the predetermined diameter. Since the mass of product going in and the mass of product going out must necessarily be identical, during rolling there is an increase in linear speed of the billet to compensate for the reduction in section that involves an increase in length thereof . The cylinders in the various stands therefore generally rotate at different speeds increasing from the first to the last.
In order to obtain the variation in ratio between the stands, commanded in succession by two transmissions, one normally acts upon the bevel gear pair.
In this way, it becomes necessary to have the slowest cage (the first of the series) with a very high transmission ratio to reduce on the bevel gear pair and the fastest cage (the last of the series) with a very high ratio to multiply.
The total ratio, for a monoblock of ten stands, is valued at about equal to 5.6406254 to be carried out through groups of two stands with five different bevel gear pairs . For eight stands the aforementioned ratio is, on the other hand, about equal to 3.6627 to be carried out through groups of two stands with four different bevel gear pairs.
These conditions require large, expensive bevel gear pairs, which given their very high transmission ratio, cause very large reactions on the bearings, meaning that very large bearings must be chosen to support the loads.
However, large bearings have speed limitations.
Alternatively, small bearings can be used to withstand the high speed but they have the drawback of a short lifetime and therefore require frequent maintenance.
The variations in transmission ratio carried out through bevel gear pairs as described above also generate the need to have a bevel gear pair with dedicated ratio for each pair of stands with consequent high costs for the spare parts and consequent sizing of other parts of the stands involving both high construction costs and high costs for spares to be kept in stock. The general purpose of the present invention is, therefore, that of providing a finishing monoblock with optimised transmission ratio for a billet rolling plant .
Another purpose of the present invention is that of providing a finishing monoblock with optimised transmission ratio that allows the reduction of the stocks of spare parts to be kept in storage. In view of the aforementioned purposes, according to the present invention, it has been thought of to make a finishing monoblock with optimised transmission ratio, having the characteristics outlined in the attached claims .
The structural and functional characteristics of the present invention as well as its advantages compared to the prior art shall become even clearer from an examination of the following description, referring to the attached schematic drawings, in which: Figure 1 is a schematic view of a finishing monoblock with ten stands for billet rolling plants according to the invention; Figure 2 is a schematic view of a finishing monoblock with eight stands for billet rolling plants according to the invention.
With reference to the figures, a monoblock 10 is schematically illustrated in figures 1 and 2 and has ten and eight stands, respectively.
The rolling monoblock 10 comprises two parallel mechanical transmissions, a first transmission 11 and a second transmission 12, connected through a command reducer 13 in turn connected through gears to a work driving motor.
The mechanical transmissions are equipped with pairs of conical gears A, B, C, D and with gears 17 that transmit the rotation in cascade to the rolling cylinders 18 of the various stands Gl, G2, ..., Gn of the rolling monoblock 10. In the illustrated examples such a monoblock respectively foresees ten rolling stands Gl-GlO (figure 1) or eight rolling stands G1-G8 (figure 2) in succession, commanded alternately through the two transmissions 11 and 12, so that the first transmission 11 commands the odd stands Gl, G3, ..., G9 (or else G7) whereas the second transmission 12 commands the even stands, G2, G4, ..., GlO (or else G8) .
The transmission according to the invention is made through the combination of a first type A, B of bevel gear pairs with a second type of bevel gear pairs C, D, by inserting a ratio into the cage exploiting the set of four zones 17, with a different ratio from the set of four 19, so that such a ratio is different between the stands and capable of creating a reduction by themselves so as to eliminate a reduction in size of the bevel gear pair to obtain four stands with the same bevel gear pair.
In such a way the ratio between the first bevel gear pairs to reduce and the last bevel gear pair to multiply reduces substantially.
The total ratio for ten stands in the solution according to the present invention is equal to 5.6907497 from which one takes a ratio given by the sets of four and equal to 1.5454545 so that it remains for the bevel gear pairs to distribute a ratio of just 3.6822498 to be carried out in groups of two only on four groups instead of five as in the stands according to the prior art .
Indeed, the differentiation of the set of four provides for a group of two stands, having optimised the intermediate stands with a ratio very close to 1:1 (to be precise 1.244898 and 0.8032786) .
The pairs thus made cause very small axial thrusts. The same bevel gear pair with ratio 1.244898 is used keeping it at the contrary on the group of the two subsequent stands without inverting the helix so that 1/1.244898 corresponds to 0.8032786 thus obtaining the same bevel gear pair for six whole stands . The problem of the very high ratio is also solved by consequently decreasing the reactions on the bearings, since from the ratio value of the machine according to the prior art, at the ends of 2.375 and 0.4210526 it has passed to a ratio of 1.9189189 and 0.5211267. Through such differentiation it is possible to use small bearings suitable for the high speeds ensuring a longer lifetime.
Moreover, for the ten machines only two types of bevel gear pairs are sufficient, instead of the five before, substantially reducing the construction costs and spare part costs to be kept in stock.
As far as the monoblock comprising eight stands is concerned, the total of the ratio with the new proposed solution is 3.682249 from which a ratio given by the sets of four again of 1.5454545 is taken, with it remaining for the bevel gear pairs to distribute just a ratio of 2.965602, to be carried out in groups of two only on three groups instead of four according to the prior art since the differentiation of the sets of four provides for a group of two stands.
In this case the identical bevel gear pairs of the previous ten stands are used eliminating the first with a high ratio and starting with a ratio of 1.244898 instead of 1.9189189.
By inverting the assembly, such a pair remains identical for the second and third group of two stands thus managing to obtain the use of just two types of bevel gear pairs for all eight stands, instead of the four types of bevel gear pairs of the old solution. It should be highlighted that by thus being able to start at the first stands with a ratio close to 1:1.244898 there are substantially smaller reactions at the bearings and it is even possible either to put a greater load on the stands, or to achieve a significantly longer lifetime of the bearings. This new solution also allows the group of eight stands to reach the same final maximum speed at the eighth cage as at the tenth cage of the previous group of ten stands.
Also in this case the reduction in the number of different stocks, which is the cause of the high cost of spare parts, should be highlighted. In conclusion, given the substantially smaller number of different stocks the objective of having transmission groups ready in stock that allow, in the case of an emergency or maintenance, the quick replacement of the cage complete with its transmission (bevel gear pair and splitter for set of four) , a thing that previously could not even have been proposed since one would have had to have five stands for the group of ten and four stands for the group of eight . In the monoblock according to the present invention for the group of ten stands four stands suffice and for the group of eight stands three stands suffice.
On the other hand, if one wanted to drastically limit the spare parts, it is possible to just keep in stock the transmission of a single cage with two sets of bearings not assembling the bevel gear pairs, which are only of two types both for the ten and for the eight stands. When problems are discovered in those undergoing processing, after the cage with problems has been identified, the spare cage with the relative bevel gear pair is mounted and it is ensured in a very short space of time that one is ready to replace the possible malfunctioning cage.
From what has been described above with reference to the figures, it is clear how a finishing monoblock for a billet rolling plant according to the invention is particularly useful and advantageous. The purposes mentioned in the preamble of the description are thus achieved.
Of course, the monoblock according to the invention can be different to the one described and shown just as a non-limiting example in the drawings. The scope of protection of the invention is therefore defined by the attached claims.

Claims

1. Finishing monoblock with optimised transmission ratio for a billet rolling plant of the type comprising a plurality of rolling stands (Gl-Gn) arranged in sequence suitable for forming a rolling line and actuated by a pair of mechanical transmissions (11, 12) in which bevel gear pairs are foreseen for the variation of ratio in the stands of the rotation speed of rolling cylinders (18) , characterised in that such a variation of the ratio in the stands is carried out through the combination of a first type (A, B) of bevel gear pairs with a second type of bevel gear pairs (C, D) and in that there is a set of four of cylindrical gears suitable for making four stands (C, D) with the same transmission bevel gear pair.
2. Finishing monoblock with optimised transmission ratio according to claim 1, characterised in that the total transmission ratio for a monoblock of ten stands (Gl- GlO) is equal to 5.6907497 from which one takes a ratio given by the difference between the ratios of the sets of four and equal to 1.5454545 so that a ratio of just 3.6822498 remains to be distributed.
3. Finishing monoblock with optimised transmission ratio according to claim 1, characterised in that the differentiation of the set of four provides for a group of two stands, having optimised the intermediate stands with a ratio very close to 1:1, preferably close to 1.244898 and close to 0.8032786.
4. Finishing monoblock according to claim 1, characterised in that the total transmission ratio for a monoblock of eight stands (G1-G8) is close to 3.682249 from which a ratio given by the sets of four close to 1.5454545 is taken, with it remaining for the bevel gear pairs to distribute just a ratio close to 2.965602.
5. Finishing monoblock according to claim 4, characterised in that the bevel gear pairs remain identical for the second and third group of two stands obtaining the use of just two types of bevel gear pairs for all eight stands, instead of the four types of bevel gear pairs of the old solution.
6. Finishing monoblock according to claim 1, characterised in that it requires just the transmission of a single cage with two sets of bearings with bevel gear pairs, of two types, as stock.
EP05778464A 2004-07-28 2005-07-27 Finishing monoblock with optimised transmission ratio for a billet rolling plant Not-in-force EP1827722B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT001526A ITMI20041526A1 (en) 2004-07-28 2004-07-28 "MONOBLOCK FINISHER WITH TRANSMISSION RATIO OPTIMIZED FOR A BILLETS LAMINATION SYSTEM"
PCT/EP2005/008194 WO2006010616A1 (en) 2004-07-28 2005-07-27 Finishing monoblock with optimised transmission ratio for a billet rolling plant

Publications (2)

Publication Number Publication Date
EP1827722A1 true EP1827722A1 (en) 2007-09-05
EP1827722B1 EP1827722B1 (en) 2011-06-01

Family

ID=35207622

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05778464A Not-in-force EP1827722B1 (en) 2004-07-28 2005-07-27 Finishing monoblock with optimised transmission ratio for a billet rolling plant

Country Status (9)

Country Link
US (1) US20070227220A1 (en)
EP (1) EP1827722B1 (en)
CN (1) CN1993190B (en)
AT (1) ATE511417T1 (en)
BR (1) BRPI0513472A (en)
ES (1) ES2366282T3 (en)
IT (1) ITMI20041526A1 (en)
RU (1) RU2374019C2 (en)
WO (1) WO2006010616A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009050710B4 (en) 2009-10-26 2016-08-04 Sms Group Gmbh Wire rolling stand with single drive
IT1400496B1 (en) * 2010-06-09 2013-06-11 Danieli Off Mecc HIGH-SPEED VERGELLA LAMINATION PROCESS AND PROCESS.
IT1403827B1 (en) * 2011-02-07 2013-10-31 Pert S R L Con Unico Socio MACHINE FOR THE HOT LAMINATION OF VERGELLE AND AFFINI.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2446905A1 (en) * 1974-10-01 1976-04-08 Moeller & Neumann Gmbh WIRE ROLLING MILL IN BLOCK FORM, SOG. WIRE BLOCK
DE2855983A1 (en) * 1978-12-23 1980-07-10 Schloemann Siemag Ag Rolling mill train for mfg. rod or small sections - where one motor uses two longitudinal shafts to drive row of stands via min. number of helical bevel gears
DE3026129A1 (en) * 1980-07-10 1982-02-04 Erwin Kampf Gmbh & Co Maschinenfabrik, 5276 Wiehl METAL TAPE RACKING SYSTEM
US4411170A (en) * 1981-04-10 1983-10-25 Mannesmann Aktiengesellschaft Wire rolling mill in block form, a so-called wire block with at least one driven line shaft
US5152165A (en) * 1991-07-11 1992-10-06 Morgan Construction Company Rolling mill
US5280714A (en) * 1992-07-27 1994-01-25 Morgan Construction Company Finishing block with dual speed sizing capability
JP3535946B2 (en) * 1997-01-10 2004-06-07 株式会社神戸製鋼所 Strip rolling mill
US5921152A (en) * 1998-02-03 1999-07-13 Morgan Construction Company Optional multi-ratio gear transmission system
US6053022A (en) * 1998-09-14 2000-04-25 Morgan Construction Company Modular rolling mill
US6546776B2 (en) * 2001-01-31 2003-04-15 Morgan Construction Company High speed finishing block
US7191629B1 (en) * 2006-04-13 2007-03-20 Morgan Construction Company Modular rolling mill

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2006010616A1 *

Also Published As

Publication number Publication date
WO2006010616A1 (en) 2006-02-02
RU2374019C2 (en) 2009-11-27
US20070227220A1 (en) 2007-10-04
CN1993190A (en) 2007-07-04
ES2366282T3 (en) 2011-10-18
ATE511417T1 (en) 2011-06-15
RU2007101230A (en) 2008-09-10
ITMI20041526A1 (en) 2004-10-28
BRPI0513472A (en) 2008-05-06
CN1993190B (en) 2010-06-16
EP1827722B1 (en) 2011-06-01

Similar Documents

Publication Publication Date Title
KR0167361B1 (en) Method and apparatus for continuously hot rolling of ferrous long products
RU2528931C2 (en) Wire rolling mill with separate electric drive
EP1827722B1 (en) Finishing monoblock with optimised transmission ratio for a billet rolling plant
US5566564A (en) Rolling block for rolling metallic bars or wires
US6405573B1 (en) Wire rod rolling line
ES2308532T3 (en) APPARATUS AND PROCEDURE TO REDUCE THE SECTION AND CALIBRATE LAMINATION TRAIN PRODUCTS FOR WIRE.
JP3287076B2 (en) One-series rolling method
EP0317785B1 (en) Quick-change cooling line
JP3321353B2 (en) Rolling method for bar and wire rods and rolling equipment used therefor
US11959457B2 (en) Series of planetary gearboxes, wind turbine, industrial application, and use of rolling bearings
EP2580005B1 (en) High-speed wire rod rolling apparatus and method
US4308740A (en) Rolling lines for the rolling of wire or rods
US3383898A (en) Continuous rolling mill
US4229961A (en) Continuous mill
SU1607986A1 (en) Reducing mill
RU2374016C2 (en) Finishing monoblock for blank rolling unit designed for high quality rod production
SU376137A1 (en) DRIVE OF ROLLS FOR PILGRIM COLD
US3546915A (en) Drives for multistand universal rolling mills
CN116833219A (en) Full continuous rolling process for molybdenum wire production
CN114080279A (en) Cold rolling of rolled stock
Lainati et al. THE EVO 2+ 4-ROLL BAR REDUCING AND SIZING MILL
Augusti Innovations in bar and section mills
JP2000301202A (en) Method for rolling product of round steel bar and block mill

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

17P Request for examination filed

Effective date: 20070601

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20071113

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: SIEMENS VAI METALS TECHNOLOGIES S.R.L.

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602005028353

Country of ref document: DE

Effective date: 20110714

REG Reference to a national code

Ref country code: SE

Ref legal event code: TRGR

REG Reference to a national code

Ref country code: NL

Ref legal event code: VDEP

Effective date: 20110601

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2366282

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20111018

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

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

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

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110902

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

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 FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

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

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20111001

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20111003

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

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

Ref country code: MC

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

Effective date: 20110731

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

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

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

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

Ref country code: LI

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

Effective date: 20110731

Ref country code: CH

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

Effective date: 20110731

26N No opposition filed

Effective date: 20120302

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 602005028353

Country of ref document: DE

Effective date: 20120302

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

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

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

Ref country code: IE

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

Effective date: 20110727

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

Ref country code: SE

Payment date: 20120710

Year of fee payment: 8

Ref country code: GB

Payment date: 20120709

Year of fee payment: 8

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

Ref country code: FR

Payment date: 20120802

Year of fee payment: 8

Ref country code: DE

Payment date: 20120906

Year of fee payment: 8

Ref country code: IT

Payment date: 20120726

Year of fee payment: 8

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

Ref country code: ES

Payment date: 20120830

Year of fee payment: 8

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

Ref country code: AT

Payment date: 20120615

Year of fee payment: 8

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

Ref country code: LU

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

Effective date: 20110727

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

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110901

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

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20110601

REG Reference to a national code

Ref country code: SE

Ref legal event code: EUG

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 511417

Country of ref document: AT

Kind code of ref document: T

Effective date: 20130727

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20130727

REG Reference to a national code

Ref country code: DE

Ref legal event code: R119

Ref document number: 602005028353

Country of ref document: DE

Effective date: 20140201

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20140331

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

Ref country code: SE

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

Effective date: 20130728

Ref country code: GB

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

Effective date: 20130727

Ref country code: DE

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

Effective date: 20140201

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

Effective date: 20130727

Ref country code: AT

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

Effective date: 20130727

Ref country code: FR

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

Effective date: 20130731

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

Ref country code: TR

Payment date: 20120627

Year of fee payment: 8

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 NON-PAYMENT OF DUE FEES

Effective date: 20130728

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

Ref country code: TR

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

Effective date: 20130727