EP0824983B1 - Niederdruck-Kokillengiessanlage - Google Patents

Niederdruck-Kokillengiessanlage Download PDF

Info

Publication number
EP0824983B1
EP0824983B1 EP97111160A EP97111160A EP0824983B1 EP 0824983 B1 EP0824983 B1 EP 0824983B1 EP 97111160 A EP97111160 A EP 97111160A EP 97111160 A EP97111160 A EP 97111160A EP 0824983 B1 EP0824983 B1 EP 0824983B1
Authority
EP
European Patent Office
Prior art keywords
casting
stations
station
blackwash
plant according
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
EP97111160A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0824983A1 (de
Inventor
Harry Hässig
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.)
Franke Technology and Trademark Ltd
Original Assignee
KWC AG
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 KWC AG filed Critical KWC AG
Publication of EP0824983A1 publication Critical patent/EP0824983A1/de
Application granted granted Critical
Publication of EP0824983B1 publication Critical patent/EP0824983B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D47/00—Casting plants

Definitions

  • the present invention relates to a low-pressure die casting plant, which is characterized by the Features of claim 1.
  • the entire casting installation according to the invention consists of two Parts of the plant that have a common core insertion station and so operated by a single operator can. Therefore, both parts of the system must Operating cycle can be coordinated, but can otherwise operated independently.
  • EP-A-0 030 669 has a different structure Low-pressure die casting plant known, in which one Turning table around a casting station, a removal station for the castings, a cooling and finishing station as well a core insertion station are arranged. On the periphery The turntable has a number of molds associated actuators arranged. By Turning the turntable will make the molds one after the other from one workstation to the next workstation emotional.
  • FIGS. 1 and 2 points the low-pressure die casting plant consisting of two parts I and II two at a distance from each other arranged casting stations 1, 101, each with a melting furnace 2, 102, which are arranged on a supporting frame 3 or 103 is.
  • the support structures not shown in FIGS. 3 to 7 3, 103 are supported on the foundry floor 4.
  • For System also includes a support frame 5, the four upright Supports 6, 7, 8, 9. All of these supports 6 to 9 consist of two support parts screwed together 6a, 6b; 7a, 7b and 9a, 9b.
  • front support 6 is in the upper Part angled, as can be seen in particular from Fig. 3 is.
  • the longitudinal axis of the upper support part 6b forms with the vertical longitudinal axis of the lower support part 6a an angle.
  • This training the front support 6 allows the larger width of the melting furnace 2 To take into account without making the entire casting system wider than need to build. Thanks to the subdivision of the supports 6 to 9 is in two screw-on support parts it is possible to disassemble the system into individual units, which can be transported without any major problems.
  • the supports 6, 7, 8 and 9 stand on the support structures 3, or 103 on the foundry floor 4.
  • a cross member rests on supports 6 and 7 or 8 and 9 10 or 11, which with the assigned supports 6, 7 or 8, 9 is connected. Support on these cross beams 10, 11 two longitudinal beams 12, 13, which are at a distance from one another and run parallel to each other. These side members 12, 13 lay a linear movement path 14 or 114 for a driving unit 15 or 115.
  • Driving unit 15, 115 is a manipulation unit 16, or 116 attached, each carrying a mold 17, the Mold halves are designated 17a and 17b (see in particular FIGS. 3 to 7). The on the Manipulation unit 116 attached mold is in the 1 and 2 not shown.
  • the more precise structure of the two identical Manipulation units 16 and 116 will be described later in FIG 3 to 7 will be explained in more detail.
  • the Driving units 15, 115 become the manipulation units 16 and 116 in the direction of arrow B, or B 'along the linear trajectory 14, 114 i.e. in the longitudinal direction of the Side members 12, 13 moved back and forth.
  • the support frame 5 further has three supports 106, 107 and 108, which in Fig. 1 are not shown.
  • Neighboring everyone Casting station 1 101 is a removal station 21 or 121, on which the castings to one side be led away.
  • a guide table 22 or 122 in the direction of arrow C or C '(Fig. 2) can be moved along a guide 23 or 123 (FIG. 1). Instead of such a path guide table 22, 122, one can also Gripper device for grasping and guiding away the Castings are provided.
  • Neighboring everyone Extraction station 21, 121 is a cooling and finishing station 18 and 118, respectively, which are a finishing bath 19 and 119 having.
  • the Driving unit 15 with manipulation unit 16 moves between the casting station 1 and the core insertion station 20, while the other driving unit 115 with the Manipulation unit 116 between the casting station 101 and the core insertion station 20 moves back and forth.
  • FIG. 2 there is also a cleaning device 24 provided that for periodic cleaning of the mold halves 17a, 17b is used.
  • This cleaning device 24 has a cleaning booth 25, the present Embodiment is designed as a sandblasting cabin.
  • the cleaning device 24 can in the direction of the arrow D are translated to move out of the shown in Fig. 2 waiting position in the working position to be able to be spent.
  • the cleaning device 24 is in this working position at the location of the Core loading station 20.
  • Manipulation unit 116 is of the same design as that Manipulation unit 16. The latter is in these FIGS. 3 to 7, however, only shown schematically and only so far shown that their functioning is recognizable.
  • the manipulation unit 16 has one with the chassis 15 connected support structure 30.
  • the supporting structure 30 can be raised and lowered in the direction of arrow E.
  • In the Support structure 30 is an elongated guide element 31 pivoted.
  • the pivot axis 32 of the guide element 31 runs parallel to the direction of movement B of the driving unit 15.
  • Two protrude from the guide element 31 Storage elements 33 and 34 away, one of which is a storage element 33 fixed and the other storage element 34 mounted linearly displaceable in the direction of arrow F. is.
  • With each bearing element 33, 34 is pivotable a support arm 35 and 36 connected.
  • the swivel axes 37 and 38 of the support arms 35 and 36 also run parallel to the direction of movement B of the driving unit 15 and are thus parallel to the pivot axis 32 of the guide element 31.
  • the mold halves are on these support arms 35, 36 17a and 17b attached.
  • the mold parting plane 39 in a vertical plane parallel to the direction of movement B of the driving unit 15 and the manipulation unit 16 runs (Fig. 3).
  • Fig. 3 (and left in Fig. 1) is the manipulation unit 16 shown in its one, first end position, in which is in casting station 1.
  • the closed mold 17 is located on the pouring mouth of the melting furnace 2.
  • the mold is made in a known manner filled with liquid metal. The filling process by controlling the pressure curve in the melting furnace 2 to the Adapted design of the casting to be manufactured.
  • the filled mold becomes 17 by an upward movement of the supporting structure 30 lifted in the direction of arrow E from Giessmund.
  • the Driving unit 15 is then together with the manipulation unit 16 to a first intermediate position, i.e. in the Withdrawal station 21, proceed.
  • the mold 17 With himself in the Removal station 21 of manipulation unit 16 the mold 17 is opened (see Fig. 4). this happens by a movement of the bearing element 34 in the direction arrow F to the outside.
  • the mold half 17b moved away from the mold half 17a.
  • ejector arranged in the support arms 35, 36 the finished casting is ejected from the mold and falls on the guide table 22, which is as shown in Fig. 4 is located below the open mold 17.
  • the manipulation unit 16 is then by means of the Driving unit 15 in a second intermediate position, i.e. in the cooling and finishing station 18 moves. 1 are in this second intermediate position drive unit and the manipulation unit with 15 'and 16' respectively.
  • Fig. 5 shows that in the Cooling and finishing station 18 located Manipulation unit 16.
  • the two are still opposite mold halves 17a and 17b are something moved apart and are then by pivoting the Brackets 35 and 36 about pivot axes 37 and 38 in In the direction of arrows G and H immersed in the size bath 19.
  • the mold halves immersed in the size bath 19 are designated 17a 'and 17b'.
  • the mold halves 17a ', 17b' are placed on the finishing bath 19 the optimal temperature cooled and with a sizing film overdrawn. Then the support arms 35 and 36 in Direction of arrows G and H again about their swivel axes 37 or 38 pivoted back until they reach their horizontal end position take and die mold halves 17a and 17b face again.
  • the driving unit 15 moves on the second end position, i.e. into the core insertion station 20.
  • the mold halves 17a and 17b are moved of the bearing element 34 in the direction of arrow F so far spread apart as necessary. At the same time it will Guide element 31 about its pivot axis 32 in the direction arrow I pivoted through 90 °.
  • FIG. 6 shows the guide element 31 takes a vertical position while the mold halves 17a, 17b are horizontal Take position. Inserting the core into the open Mold 17 takes place from the left-hand side as seen in FIG. 6 forth, as indicated by the arrow labeled K is. After the core has been inserted, the mold becomes 17 by retracting the bearing element 34 closed and the guide member 31 is in the direction of the arrow I about its pivot axis 32 in the horizontal Position swung back. The driving unit 15 moves the Manipulation unit 16 then back into the first End position, i.e. in the casting station 1. In this the mold 17 by lowering the support structure 30 in Direction of arrow E on the pouring mouth of the melting furnace 2 put on. The cycle described starts again from new.
  • the operation of the other part II is in Principle the same as above based on system part I described.
  • the manipulation unit 116 is from the first end position in which they are in the casting station 101 is in the first intermediate position (Removal station 121), then in the second intermediate position (Cooling and finishing station 118) and finally in the move the second end position (core insertion station 20) in order to then moved back to the first end position become. Since the core insertion station 20 two parts I and II in common are the operating cycles of the two Plant parts I and II shifted in time from each other. Is the second manipulation unit, as in the Fig.
  • the Mold halves 17a, 17b then protrude into the Cleaning cabin 25 and are blasted cleaned. After cleaning is finished Cleaning device 24 again in the waiting position moved back.
  • the manipulation unit 16 or 116 is by the drive unit 15 and 115 for cooling and Move finishing station 18 or 118. In addition, it will Guide element 31 again about the axis 32 in the Horizontal position swiveled.
  • the mold halves 17a, 17b are, as described with reference to FIG. 5, in the Plain bath 19 or 119 immersed and with a Plain film covered. Now the one explained above Arity cycle continue again (insert core, Pouring, casting, cooling and coating the mold halves with a finishing film).
  • the operation of the individual parts of the manipulation units is preferably done by hydraulic drives.
  • the driving units 15, 115 are advantageously by move an electric drive.
  • the two parts of the system I and II can be independent operated from each other, i.e. it can with the Plant according to the invention at the same time castings different materials. Nevertheless the space requirement is relatively small because thanks the special arrangement of the workstations Core insertion for both investment halves in the same place can be done. For inserting and cleaning the core Mold halves are only one operator required.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Devices For Molds (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
  • Coating With Molten Metal (AREA)
EP97111160A 1996-08-23 1997-07-03 Niederdruck-Kokillengiessanlage Expired - Lifetime EP0824983B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2075/96 1996-08-23
CH207596 1996-08-23
CH02075/96A CH692222A5 (de) 1996-08-23 1996-08-23 Niederdruck-Kokillengiessanlage.

Publications (2)

Publication Number Publication Date
EP0824983A1 EP0824983A1 (de) 1998-02-25
EP0824983B1 true EP0824983B1 (de) 1999-09-29

Family

ID=4225323

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97111160A Expired - Lifetime EP0824983B1 (de) 1996-08-23 1997-07-03 Niederdruck-Kokillengiessanlage

Country Status (11)

Country Link
US (1) US5937931A (ja)
EP (1) EP0824983B1 (ja)
JP (1) JP3145964B2 (ja)
KR (1) KR100237080B1 (ja)
CN (1) CN1081500C (ja)
AT (1) ATE185096T1 (ja)
CH (1) CH692222A5 (ja)
DE (2) DE29710930U1 (ja)
ES (1) ES2137035T3 (ja)
IT (1) IT237865Y1 (ja)
TW (1) TW338735B (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1296351B1 (it) * 1997-11-18 1999-06-25 Imr Spa Impianto perfezionato di colata in conchiglia a bassa pressione
DE19755551A1 (de) * 1997-12-13 1999-06-17 Grohe Armaturen Friedrich Flexibles Gießsystem
DE19834553A1 (de) * 1998-07-31 2000-02-03 Georg Fischer Disa Ag Verfahren und Vorrichtung zum steigenden Gießen von Leichtmetall
DE19900574A1 (de) * 1999-01-09 2000-07-13 Georg Fischer Disa Ag Verfahren und Vorrichtung zum steigenden Gießen von Leichtmetall
EP1116535A1 (de) * 2000-01-13 2001-07-18 Kwc Ag Niederdruck-Kokillengiessanlage zur Herstellung von Aluminiumgussteilen
EP1270114B1 (de) * 2001-06-18 2005-12-14 Kwc Ag Niederdruck-Kokillengiessanlage und Kokille dafür
EP1270115B1 (de) * 2001-06-18 2008-08-06 Kwc Ag Niederdruck-Kokillengiessanlage und Verfahren zum Betrieb davon
DE102013223311A1 (de) * 2013-11-15 2015-05-21 Bayerische Motoren Werke Aktiengesellschaft Wartungsstation für Gießwerkzeuge und Verfahren zum Warten eines Gießwerkzeuges
BR112016021639B1 (pt) * 2014-03-31 2022-07-19 Nissan Motor Co. Ltd Método de fundição e dispositivo de fundição
AT519681B1 (de) * 2017-03-02 2021-02-15 Fill Gmbh Gießvorrichtung zum Gießen von Formteilen
AT521574B1 (de) * 2018-08-16 2021-11-15 Fill Gmbh Gießmaschine
CN110899664A (zh) * 2019-11-29 2020-03-24 重庆长安汽车股份有限公司 低压铸造模具的维护流水线
CN112756582B (zh) * 2020-12-23 2022-04-05 岳西县恒意机械有限公司 一种铝合金低压铸造成型装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3512576A (en) * 1967-11-13 1970-05-19 Heatlock Ltd Diecasting machines
GB1399838A (en) * 1971-07-01 1975-07-02 Dimo Holdings Metal casting apparatus
GB2047140A (en) * 1979-04-12 1980-11-26 Stone Wallwork Int Ltd Conveying system in die-casting plant
DE2950597A1 (de) * 1979-12-15 1981-07-02 Russ-Elektroofen Produktions-Gesellschaft mbH & Co KG, 5000 Köln Automatisiertes niederdruckgiessverfahren und vorrichtung zu seiner durchfuehrung
EP0055210B1 (de) * 1980-12-23 1985-02-13 Egro Ag Niederdruck-Giessvorrichtung und Niederdruck-Giessverfahren
JPS58221655A (ja) * 1982-06-18 1983-12-23 Hitachi Ltd 不活性ガス低圧鋳造装置
IT1178524B (it) * 1984-09-28 1987-09-09 Imr Srl Impianto a due stazioni, con forno singolo, per la colata automatica in conchiglia dell'ottone, con procedimento a bassa pressione
ES2038018T3 (es) * 1989-05-19 1993-07-01 Kwc Ag Dispositivo de fundicion en coquilla de baja presion.
US5205341A (en) * 1990-02-27 1993-04-27 Starline Manufacturing Company, Inc. Low pressure double arm casting apparatus
JPH05138330A (ja) * 1991-11-22 1993-06-01 Sintokogio Ltd ターンテーブル型吸引鋳造装置

Also Published As

Publication number Publication date
JPH10113760A (ja) 1998-05-06
JP3145964B2 (ja) 2001-03-12
CH692222A5 (de) 2002-03-28
CN1180597A (zh) 1998-05-06
ATE185096T1 (de) 1999-10-15
KR100237080B1 (ko) 2000-01-15
ITMI970614U1 (it) 1999-02-18
KR19980018706A (ko) 1998-06-05
DE29710930U1 (de) 1997-08-14
ES2137035T3 (es) 1999-12-01
IT237865Y1 (it) 2000-09-29
US5937931A (en) 1999-08-17
TW338735B (en) 1998-08-21
CN1081500C (zh) 2002-03-27
DE59700497D1 (de) 1999-11-04
EP0824983A1 (de) 1998-02-25

Similar Documents

Publication Publication Date Title
EP0824983B1 (de) Niederdruck-Kokillengiessanlage
DE2857417C2 (de) Vorrichtung zum Einbringen von Kernkästen in eine Formvorrichtung für Gießkerne
DE3532299A1 (de) Spritzgiessmaschine mit spritzling-entnahmevorrichtung
EP0398168B1 (de) Niederdruck-Kokillen-Giesseinrichtung
EP0958872B1 (de) Niederdruck-Kokillen-Giesseinrichtung
DE2445085A1 (de) Vorrichtung zum transportieren (umsetzen) eines plattenfoermigen produktes von einer station zur anderen
DE1783046A1 (de) Spritzgussmaschine
DE3617094C2 (ja)
DE2246190B2 (de) Flurförderzeug zum Auswechseln von Modellplattenpaare einer Gießerei-Formanlage
DE2822916C2 (de) Vorrichtung zur Beförderung von geteilten Gießformen
DE1558291B1 (de) Formvorrichtung zum Giessen von Stahlgegenstaenden
DE3006785C2 (de) Niederdruck-Kokillen-Gießmaschine
DD202113A5 (de) Anlage zur herstellung von lotrecht geteilten, aus kastenlosen formteilen bestehenden giessformen, einschliesslich ausruestung zum auswechseln von modellbrettern
DE1483528A1 (de) Giessformfoerderer
DE3626488A1 (de) Giessformwechseleinrichtung an einer kunststoff-spritzgiessmaschine
CH690356A5 (de) Niederdruck-Kokillengiessanlage.
DE2447837A1 (de) Kokillengiessmaschine
DE3001396A1 (de) Anlage zum spanenden bearbeiten von werkstuecken
DE2222744A1 (de) Strangguss-Fuehrungswalzengestell
DE2932836C2 (de) Einrichtung zur Herstellung von Gußstücken aus einer Leichtmetall-Legierung mittels Dauerformen vornehmlich Zylinderköpfen für Brennkraftmaschinen
EP0636451B1 (de) Sicherheitsvorrichtung an einem Regalmagazin
DE2652871B2 (de) Stranggießanlage
DE3447113A1 (de) Vorrichtung zum verschwenken eines rahmens o.dgl.
EP0611616A1 (de) Formmaschine
DE1558291C (de) Formvorrichtung zum Gießen von Stahlgegenstanden

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): AT CH DE ES FR GB IT LI SE

17P Request for examination filed

Effective date: 19980316

17Q First examination report despatched

Effective date: 19980429

AKX Designation fees paid

Free format text: AT CH DE ES FR GB IT LI SE

RBV Designated contracting states (corrected)

Designated state(s): AT CH DE ES FR GB IT LI SE

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAG Despatch of communication of intention to grant

Free format text: ORIGINAL CODE: EPIDOS AGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAH Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOS IGRA

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

ITF It: translation for a ep patent filed

Owner name: BARZANO' E ZANARDO MILANO S.P.A.

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AT CH DE ES FR GB IT LI SE

REF Corresponds to:

Ref document number: 185096

Country of ref document: AT

Date of ref document: 19991015

Kind code of ref document: T

REG Reference to a national code

Ref country code: CH

Ref legal event code: NV

Representative=s name: PATENTANWAELTE SCHAAD, BALASS, MENZL & PARTNER AG

Ref country code: CH

Ref legal event code: EP

REF Corresponds to:

Ref document number: 59700497

Country of ref document: DE

Date of ref document: 19991104

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2137035

Country of ref document: ES

Kind code of ref document: T3

ET Fr: translation filed
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
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

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

Ref country code: ES

Payment date: 20080729

Year of fee payment: 12

Ref country code: DE

Payment date: 20080722

Year of fee payment: 12

Ref country code: CH

Payment date: 20080716

Year of fee payment: 12

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

Ref country code: IT

Payment date: 20080726

Year of fee payment: 12

Ref country code: FR

Payment date: 20080715

Year of fee payment: 12

Ref country code: AT

Payment date: 20080715

Year of fee payment: 12

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

Ref country code: GB

Payment date: 20080722

Year of fee payment: 12

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

Ref country code: SE

Payment date: 20080714

Year of fee payment: 12

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

EUG Se: european patent has lapsed
GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20090703

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

Effective date: 20100331

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: 20090731

Ref country code: FR

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

Effective date: 20090731

Ref country code: CH

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

Effective date: 20090731

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

Ref country code: GB

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

Effective date: 20090703

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

Ref country code: DE

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

Effective date: 20100202

Ref country code: AT

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

Effective date: 20090703

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20090704

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: 20090704

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: 20090703

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: 20090704