EP0532510B1 - Papermakers fabric with flat machine direction yarns - Google Patents

Papermakers fabric with flat machine direction yarns Download PDF

Info

Publication number: EP0532510B1
Authority: EP; European Patent Office
Prior art keywords: yarns; cmd; fabric; fabric according; repeat
Prior art date: 1990-06-06
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

EP91907325A

Other languages

German (de)

English (en)

French (fr)

Other versions

EP0532510A1 (en

Inventor

Henry J. Lee

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.)

V ASTEN SC

Asten Inc

Original Assignee

V ASTEN SC

Asten Inc

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.)

1990-06-06

Filing date

1991-03-15

Publication date

1994-11-09

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27415139&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0532510(B1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1990-06-06 Priority claimed from US07/534,164 external-priority patent/US5103874A/en

1990-08-15 Priority claimed from US07/567,974 external-priority patent/US5092373A/en

1991-02-14 Priority claimed from US07/654,008 external-priority patent/US5117865A/en

1991-03-15 Priority to EP94103975A priority Critical patent/EP0612882B1/en

1991-03-15 Priority to EP92122165A priority patent/EP0553501B1/en

1991-03-15 Application filed by V ASTEN SC, Asten Inc filed Critical V ASTEN SC

1991-03-15 Priority to EP94103974A priority patent/EP0612881B1/en

1993-03-24 Publication of EP0532510A1 publication Critical patent/EP0532510A1/en

1994-11-09 Publication of EP0532510B1 publication Critical patent/EP0532510B1/en

1994-11-09 Application granted granted Critical

2011-03-15 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Images

Classifications

- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F7/00—Other details of machines for making continuous webs of paper
- D21F7/08—Felts
- D21F7/083—Multi-layer felts
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
- D21F1/0036—Multi-layer screen-cloths
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/0027—Screen-cloths
- D21F1/0054—Seams thereof

Definitions

a variety of seaming techniques are well known in the art.
One conventional method of seaming is to form the machine direction yarns on each end of the fabric into a series of loops.
the loops of the respective fabric ends are then intermeshed during fabric installation to define a channel through which a pintle is inserted to lock the ends together.
the resultant heat set fabric had 12.5 CMD yarns per inch per layer with 106% MD warp fill with respect to both upper and lower MD yarns resulting in 212% actual warp fill for the fabric.
the finished fabric has a permeability of 83CFM as measured by the ASTM D-737-75 standard.
loop forming yarns 14 would all be backwoven approximately the same distance within the fabric to provide sufficient strength to prevent the loops from being pulled apart during normal usage.
Non-loop forming yarns 16, 18, would preferably be backwoven a somewhat shorter distance since during usage no load is imparted to those yarns.
upper MD yarns 14 would be backwoven approximately 3 inches
MD yarns 16 would be backwoven approximately 2 inches
MD yarns 18 would be backwoven approximately 1 inch.
Respective lower layer yarns 15, 17, 19 would be trimmed to complement the backweaving of their respective MD yarn pair yarns 14, 16, 18.
Fabric 30 comprises a single layer of CMD yarns 31 interwoven with stacked pairs of flat monofilament yarns in a selected repeat pattern. For clarity, only one pair of stacked MD yarns is shown comprising upper MD yarn 32 and lower MD yarn 33.
the upper MD yarns weave in a float over two CMD yarns 31, form a single knuckle under the next CMD yarn 31 and thereafter repeat.
the lower MD yarns weave in an inverted image of the upper MD yarns weaving under two CMD yarns 31, forming a knuckle over the next CMD yarn 31 and then returning to the bottom surface of the fabric in the repeat. Since the repeat of both the upper and lower MD yarns is with respect to three CMD yarns 31, a total of three different stacked pairs of yarns comprise the weave pattern of the MD yarn system.

Landscapes

Paper (AREA)
Woven Fabrics (AREA)
Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Stringed Musical Instruments (AREA)
Knitting Of Fabric (AREA)
Crystals, And After-Treatments Of Crystals (AREA)
Multicomponent Fibers (AREA)
Laminated Bodies (AREA)
Decoration Of Textiles (AREA)

EP91907325A 1990-06-06 1991-03-15 Papermakers fabric with flat machine direction yarns Expired - Lifetime EP0532510B1 (en)

Priority Applications (3)

Application Number	Priority Date	Filing Date	Title
EP94103974A EP0612881B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP94103975A EP0612882B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP92122165A EP0553501B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns

Applications Claiming Priority (7)

Application Number	Priority Date	Filing Date	Title
US534164		1990-06-06
US07/534,164 US5103874A (en)	1990-06-06	1990-06-06	Papermakers fabric with stacked machine direction yarns
US567974		1990-08-15
US07/567,974 US5092373A (en)	1990-06-06	1990-08-15	Papermakers fabric with orthogonal machine direction yarn seaming loops
US07/654,008 US5117865A (en)	1990-06-06	1991-02-14	Papermakers fabric with flat high aspect ratio yarns
US654008		1991-02-14
PCT/US1991/001776 WO1991019044A1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns

Related Child Applications (5)

Application Number	Title	Priority Date	Filing Date
EP94103975A Division EP0612882B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP92122165A Division EP0553501B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP92122165.1 Division-Into		1992-12-28
EP94103974.5 Division-Into		1994-03-15
EP94103975.2 Division-Into		1994-03-15

Publications (2)

Publication Number	Publication Date
EP0532510A1 EP0532510A1 (en)	1993-03-24
EP0532510B1 true EP0532510B1 (en)	1994-11-09

Family

ID=27415139

Family Applications (4)

Application Number	Title	Priority Date	Filing Date
EP91907325A Expired - Lifetime EP0532510B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP92122165A Expired - Lifetime EP0553501B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP94103974A Expired - Lifetime EP0612881B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP94103975A Expired - Lifetime EP0612882B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns

Family Applications After (3)

Application Number	Title	Priority Date	Filing Date
EP92122165A Expired - Lifetime EP0553501B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP94103974A Expired - Lifetime EP0612881B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns
EP94103975A Expired - Lifetime EP0612882B1 (en)	1990-06-06	1991-03-15	Papermakers fabric with flat machine direction yarns

Country Status (12)

Country	Link
EP (4)	EP0532510B1 (ja)
JP (4)	JP3655301B2 (ja)
AT (4)	ATE114006T1 (ja)
AU (1)	AU673615B2 (ja)
CA (1)	CA2084054C (ja)
DE (6)	DE69105130C5 (ja)
DK (4)	DK0553501T3 (ja)
ES (4)	ES2063504T3 (ja)
FI (2)	FI96881B (ja)
NO (3)	NO305216B1 (ja)
NZ (1)	NZ237553A (ja)
WO (1)	WO1991019044A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19923088C1 (de) *	1999-05-20	2000-10-12	Heimbach Gmbh Thomas Josef	Papiermaschinenbespannung, insbesondere als Trockensieb
WO2016188030A1 (zh) *	2015-05-22	2016-12-01	安平县鑫鹏网带有限公司	一种工业织物

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
USRE35966E (en) *	1990-06-06	1998-11-24	Asten, Inc.	Papermakers fabric with orthogonal machine direction yarn seaming loops
US5411062A (en) *	1990-06-06	1995-05-02	Asten Group, Inc.	Papermakers fabric with orthogonal machine direction yarn seaming loops
CA2065127C (en) *	1991-10-11	1996-04-23	C. Barry Johnson	Woven papermakers fabric having a unibody seam and a method for making the same
AU2881892A (en) *	1991-10-11	1993-05-03	Asten Group, Inc.	Woven papermakers fabric having a unibody seam and a method for making the same
DE4302031C1 (de) *	1993-01-26	1993-12-16	Heimbach Gmbh Thomas Josef	Trockensieb sowie Verfahren zu dessen Herstellung
WO1994021847A1 (en) *	1993-03-19	1994-09-29	Jwi Ltd.	High loop density pin seam
GB9417720D0 (en) *	1994-09-03	1994-10-19	Scapa Group Plc	Papermakers fabric
US5503196A (en)	1994-12-07	1996-04-02	Albany International Corp.	Papermakers fabric having a system of machine-direction yarns residing interior of the fabric surfaces
US5865219A (en) *	1997-07-31	1999-02-02	Asten, Inc.	Double layer papermaking fabric having a high stability weave
US6079454A (en) *	1997-11-24	2000-06-27	Astenjohnson, Inc.	Loop/tie-back woven loop seam press base
FR2789702B1 (fr) *	1999-02-16	2001-03-30	Cofpa	Jonction a armure symetrique pour bande tissee a armure asymetrique
JP2002013088A (ja) *	2000-06-27	2002-01-18	Ichikawa Woolen Textile Co Ltd	抄紙用フエルト
JP4261341B2 (ja)	2001-07-05	2009-04-30	アステンジョンソン・インコーポレーテッド	糸アセンブリを含む工業用ファブリック
US20030208886A1 (en) *	2002-05-09	2003-11-13	Jean-Louis Monnerie	Fabric comprising shaped conductive monofilament used in the production of non-woven fabrics
US6902652B2 (en) *	2003-05-09	2005-06-07	Albany International Corp.	Multi-layer papermaker's fabrics with packing yarns
DE102005056618A1 (de) *	2005-11-25	2007-05-31	Voith Patent Gmbh	Gewebegefüge
JP4263201B2 (ja) *	2006-06-30	2009-05-13	シキボウ株式会社	抄紙用ドライヤーカンバス
US7617846B2 (en) *	2006-07-25	2009-11-17	Albany International Corp.	Industrial fabric, and method of making thereof
US8025969B2 (en)	2008-10-21	2011-09-27	Voith Paper Holding Gmbh & Co. Kg	PET yarns with improved loop tensile properties
CN104631189A (zh) *	2015-01-28	2015-05-20	安徽华宇网业有限公司	三经线扁丝干网
DE102015101449A1 (de) *	2015-02-02	2016-08-04	AstenJohnson PGmbH	Industrielles Gewebe, Verfahren zur Herstellung eines Vliesstoffs sowie Verwendung eines industriellen Gewebes
EP3356597A4 (en) *	2015-09-30	2019-03-13	AstenJohnson, Inc.	HIGHLY STABLE STACKAGE FADENTROCKENSIEB

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2554034A (en) *	1948-08-18	1951-05-22	Orr Felt & Blanket Company	Papermaker's felt
DE1206717B (de) *	1961-07-06	1965-12-09	Karl Ulrich Schuster	Papiermaschinensieb
FR1396549A (fr) *	1964-03-13	1965-04-23	Martel Catala & Cie Ets	Perfectionnements apportés aux moyens pour l'élaboration de bandes sans fin tissées à fils plastiques et à fils métalliques, ainsi qu'aux bandes correspondantes
US4123022A (en) *	1977-09-12	1978-10-31	Albany International Corp.	Seam for forming wires and dryer felts
NZ188692A (en) *	1977-10-28	1982-03-30	Jwi Ltd	Dryer fabric for paper making machine machine direction strands have flattened cross-section
US4290209A (en) *	1978-05-17	1981-09-22	Jwi Ltd.	Dryer fabric
US4438789A (en) *	1981-06-04	1984-03-27	Jwi Ltd.	Woven pin seam in fabric and method
US4421819A (en) *	1982-02-23	1983-12-20	Jwi Ltd.	Wear resistant paper machine fabric
JPS60119293A (ja) *	1983-11-30	1985-06-26	日本フィルコン株式会社	製紙用織物
US5114777B2 (en) *	1985-08-05	1997-11-18	Wangner Systems Corp	Woven multilayer papermaking fabric having increased stability and permeability and method
SU1441840A1 (ru) *	1986-07-24	1990-09-23	Пермский филиал всесоюзного научно-исследовательского института целлюлозно-бумажной промышленности Всесоюзного научно-производственного объединения целлюлозно-бумажной промышленности	Синтетическа ткана сетка дл бумагоделательной машины
CA1277209C (en) *	1986-11-28	1990-12-04	Dale B. Johnson	Composite forming fabric
US4705601A (en) *	1987-02-05	1987-11-10	B.I. Industries, Inc.	Multi-ply paper forming fabric with ovate warp yarns in lowermost ply
US4865083A (en) *	1987-06-24	1989-09-12	Asten Group, Inc.	Seamed multi-layered papermaker's fabric
MX172727B (es) *	1989-09-19	1994-01-10	Jwi Ltd	Tela eliminadora de agua de la seccion de prensa.
US4979543A (en) *	1989-11-16	1990-12-25	Albany International Corp.	Pin seamed planar press fabric

1991
- 1991-03-15 AT AT91907325T patent/ATE114006T1/de not_active IP Right Cessation
- 1991-03-15 EP EP91907325A patent/EP0532510B1/en not_active Expired - Lifetime
- 1991-03-15 AT AT94103975T patent/ATE172506T1/de not_active IP Right Cessation
- 1991-03-15 DK DK92122165T patent/DK0553501T3/da active
- 1991-03-15 DE DE69105130T patent/DE69105130C5/de not_active Expired - Lifetime
- 1991-03-15 DE DE0553501T patent/DE553501T1/de active Pending
- 1991-03-15 DE DE69126545T patent/DE69126545T2/de not_active Expired - Lifetime
- 1991-03-15 AT AT94103974T patent/ATE154403T1/de not_active IP Right Cessation
- 1991-03-15 DE DE0612882T patent/DE612882T1/de active Pending
- 1991-03-15 DK DK91907325.4T patent/DK0532510T3/da active
- 1991-03-15 EP EP92122165A patent/EP0553501B1/en not_active Expired - Lifetime
- 1991-03-15 EP EP94103974A patent/EP0612881B1/en not_active Expired - Lifetime
- 1991-03-15 DE DE69130423T patent/DE69130423T2/de not_active Expired - Lifetime
- 1991-03-15 DK DK94103974.5T patent/DK0612881T3/da active
- 1991-03-15 DK DK94103975T patent/DK0612882T3/da active
- 1991-03-15 CA CA002084054A patent/CA2084054C/en not_active Expired - Lifetime
- 1991-03-15 ES ES91907325T patent/ES2063504T3/es not_active Expired - Lifetime
- 1991-03-15 JP JP50660591A patent/JP3655301B2/ja not_active Expired - Lifetime
- 1991-03-15 WO PCT/US1991/001776 patent/WO1991019044A1/en active IP Right Grant
- 1991-03-15 ES ES92122165T patent/ES2107977T3/es not_active Expired - Lifetime
- 1991-03-15 ES ES94103975T patent/ES2107978T3/es not_active Expired - Lifetime
- 1991-03-15 AT AT92122165T patent/ATE172764T1/de not_active IP Right Cessation
- 1991-03-15 ES ES94103974T patent/ES2102711T3/es not_active Expired - Lifetime
- 1991-03-15 DE DE69130398T patent/DE69130398T2/de not_active Expired - Lifetime
- 1991-03-15 EP EP94103975A patent/EP0612882B1/en not_active Expired - Lifetime
- 1991-03-25 NZ NZ237553A patent/NZ237553A/en unknown
1992
- 1992-12-02 FI FI925483A patent/FI96881B/fi active
- 1992-12-04 NO NO924688A patent/NO305216B1/no not_active IP Right Cessation
1994
- 1994-01-20 NO NO940200A patent/NO305215B1/no not_active IP Right Cessation
- 1994-08-22 AU AU70394/94A patent/AU673615B2/en not_active Expired
1997
- 1997-09-24 NO NO974419A patent/NO309435B1/no not_active IP Right Cessation
1998
- 1998-03-04 JP JP05252098A patent/JP3179753B2/ja not_active Expired - Lifetime
- 1998-03-04 JP JP05251898A patent/JP3179752B2/ja not_active Expired - Lifetime
- 1998-03-04 JP JP05251998A patent/JP3346736B2/ja not_active Expired - Lifetime
2003
- 2003-10-22 FI FI20031544A patent/FI119065B/fi active IP Right Review Request

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE19923088C1 (de) *	1999-05-20	2000-10-12	Heimbach Gmbh Thomas Josef	Papiermaschinenbespannung, insbesondere als Trockensieb
WO2016188030A1 (zh) *	2015-05-22	2016-12-01	安平县鑫鹏网带有限公司	一种工业织物
US10563327B2 (en)	2015-05-22	2020-02-18	Anping Xinpeng Mesh Belt Limited Company	Industrial fabric

Also Published As

Publication number	Publication date
EP0532510A1 (en)	1993-03-24
ATE114006T1 (de)	1994-11-15
EP0612881A1 (en)	1994-08-31
EP0553501B1 (en)	1998-10-28
DE553501T1 (de)	1998-03-12
FI925483A0 (fi)	1992-12-02
NO940200D0 (no)	1994-01-20
NO924688D0 (no)	1992-12-04
FI20031544A (fi)	2003-10-22
AU7553891A (en)	1991-12-31
AU673615B2 (en)	1996-11-14
NO974419L (no)	1993-02-05
AU649570B2 (en)	1994-05-26
DK0612882T3 (da)	1999-06-28
EP0612881B1 (en)	1997-06-11
AU7039494A (en)	1994-11-03
EP0612882A1 (en)	1994-08-31
DE69130398D1 (de)	1998-11-26
NO309435B1 (no)	2001-01-29
ES2107978T1 (es)	1997-12-16
DE69105130C5 (de)	2008-02-14
NO305216B1 (no)	1999-04-19
DE69105130T2 (de)	1995-03-23
FI925483A (fi)	1992-12-02
FI119065B (fi)	2008-07-15
EP0553501A3 (en)	1993-12-22
DE69130398T2 (de)	1999-03-11
DE69105130D1 (de)	1994-12-15
JPH11124784A (ja)	1999-05-11
JPH111885A (ja)	1999-01-06
EP0553501A2 (en)	1993-08-04
DK0532510T3 (da)	1995-04-24
JPH111886A (ja)	1999-01-06
NO940200L (no)	1993-02-05
NO974419D0 (no)	1997-09-24
ATE172764T1 (de)	1998-11-15
DE612882T1 (de)	1998-03-12
JP3346736B2 (ja)	2002-11-18
ES2107977T3 (es)	1998-12-16
DE69126545D1 (de)	1997-07-17
ES2107977T1 (es)	1997-12-16
EP0612882B1 (en)	1998-10-21
FI96881B (fi)	1996-05-31
JP3179752B2 (ja)	2001-06-25
DK0612881T3 (da)	1997-07-14
ES2107978T3 (es)	1998-12-16
NO924688L (no)	1993-02-05
WO1991019044A1 (en)	1991-12-12
JPH05509134A (ja)	1993-12-16
DE69126545T2 (de)	1997-12-18
DE69130423T2 (de)	1999-04-22
AU2703092A (en)	1993-01-07
DK0553501T3 (da)	1999-07-05
ES2063504T3 (es)	1995-01-01
NO305215B1 (no)	1999-04-19
ATE154403T1 (de)	1997-06-15
NZ237553A (en)	1995-03-28
DE69130423D1 (de)	1998-12-03
JP3655301B2 (ja)	2005-06-02
CA2084054A1 (en)	1991-12-07
JP3179753B2 (ja)	2001-06-25
AU642004B2 (en)	1993-10-07
CA2084054C (en)	1996-06-04
ES2102711T3 (es)	1997-08-01
ATE172506T1 (de)	1998-11-15

Publication	Publication Date	Title
EP0532510B1 (en)	1994-11-09	Papermakers fabric with flat machine direction yarns
US5343896A (en)	1994-09-06	Papermakers fabric having stacked machine direction yarns
AU673613B2 (en)	1996-11-14	Papermakers fabric with flat machine direction yarns
US5645112A (en)	1997-07-08	Papermakers fabric with alternating crimped CMD yarns
US5167261A (en)	1992-12-01	Papermakers fabric with stacked machine direction yarns of a high warp fill
US5148838A (en)	1992-09-22	Papermakers fabric with orthogonal machine direction yarn seaming loops
US6189577B1 (en)	2001-02-20	Papermakers fabric with stacked machine direction yarns
US5092373A (en)	1992-03-03	Papermakers fabric with orthogonal machine direction yarn seaming loops
US5117865A (en)	1992-06-02	Papermakers fabric with flat high aspect ratio yarns
US6179013B1 (en)	2001-01-30	Low caliper multi-layer forming fabrics with machine side cross machine direction yarns having a flattened cross section
US5411062A (en)	1995-05-02	Papermakers fabric with orthogonal machine direction yarn seaming loops
US5230371A (en)	1993-07-27	Papermakers fabric having diverse flat machine direction yarn surfaces
WO1997028307A1 (en)	1997-08-07	Pin seam with double end loops and method
USRE35966E (en)	1998-11-24	Papermakers fabric with orthogonal machine direction yarn seaming loops
CA2174001C (en)	1999-02-09	Papermakers fabric with flat high aspect ratio yarns
AU642004C (en)	1994-04-14	Papermakers fabric with flat machine direction yarns
NZ264433A (en)	1995-03-28	Papermakers fabric having interwoven cmd and md yarns with alternating cmd yarns crimped to a larger/smaller degree and/or respectively of smaller/larger diameter

Legal Events

Date	Code	Title	Description
1993-02-05	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
1993-03-24	17P	Request for examination filed	Effective date: 19921228
1993-03-24	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
1993-03-24	XX	Miscellaneous (additional remarks)	Free format text: TEILANMELDUNG 92122165.1 EINGEREICHT AM 15/03/91.
1993-07-14	17Q	First examination report despatched	Effective date: 19930527
1994-09-23	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1994-10-25	ITF	It: translation for a ep patent filed
1994-11-09	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): AT BE CH DE DK ES FR GB GR IT LI LU NL SE
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