Global Patent Index - EP 0705786 B1

EP 0705786 B1 2001-12-19 - Conveyance apparatus for ultrathin webs comprising a roller with contoured surface

Title (en)

Conveyance apparatus for ultrathin webs comprising a roller with contoured surface

Title (de)

Vorrichtung zum Führen von ultradünnen Bahnen mit einer Transportrolle mit profilierter Oberfläche

Title (fr)

Appareil pour transporter des bandes ultrafines comprenant un rouleau avec surface profilée

Publication

EP 0705786 B1 (EN)

Application

EP 95115687 A

Priority

US 32007694 A

Abstract (en)

[origin: EP0705786A2] A web conveying roller (18) is provided with circumferentially or spirally extending grooves (42) and lands (44), the lands having convex curvatures (46, 48; 54) to cause a conveyed, ultrathin web (30), at the beginning of a wrap angle ( alpha ) onto the roller, to undulate along the width of the roller over the lands and into the grooves while remaining spaced from the convex curvatures of the lands; so that, air entrained between the web and the lands can flow into the grooves. <IMAGE>

IPC 1-7 (main, further and additional classification)

B65H 27/00

IPC 8 full level (invention and additional information)

B65H 27/00 (2006.01); F16C 13/00 (2006.01)

CPC (invention and additional information)

B65H 27/00 (2013.01); B65H 2404/1311 (2013.01); B65H 2404/13161 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

EPO simple patent family

EP 0705786 A2 19960410; EP 0705786 A3 19961120; EP 0705786 B1 20011219; DE 69524705 D1 20020131; DE 69524705 T2 20020814; JP H08175727 A 19960709

INPADOC legal status


2006-10-20 [REG FR ST] NOTIFICATION OF LAPSE

- Effective date: 20060630

2006-06-30 [PG25 FR] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: FR

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

- Effective date: 20060630

2006-06-28 [GBPC] GB: EUROPEAN PATENT CEASED THROUGH NON-PAYMENT OF RENEWAL FEE

- Effective date: 20051005

2006-05-03 [PG25 DE] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: DE

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

- Effective date: 20060503

2005-10-05 [PG25 GB] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: GB

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

- Effective date: 20051005

2005-10-05 [PG25 IT] LAPSED IN A CONTRACTING STATE ANNOUNCED VIA POSTGRANT INFORM. FROM NAT. OFFICE TO EPO

- Ref Country Code: IT

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

- Effective date: 20051005

2004-10-29 [PGFP DE] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: DE

- Payment date: 20041029

- Year of fee payment: 10

2004-10-04 [PGFP FR] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: FR

- Payment date: 20041004

- Year of fee payment: 10

2004-09-15 [PGFP GB] POSTGRANT: ANNUAL FEES PAID TO NATIONAL OFFICE

- Ref Country Code: GB

- Payment date: 20040915

- Year of fee payment: 10

2002-12-11 [26N] NO OPPOSITION FILED

2002-05-03 [ET] FR: TRANSLATION FILED

2002-01-31 [REF] CORRESPONDS TO:

- Document: DE 69524705 20020131

2002-01-01 [REG GB IF02] EUROPEAN PATENT IN FORCE AS OF 2002-01-01

2001-12-19 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: B1

- Designated State(s): DE FR GB IT

2000-11-22 [RTI1] TITLE (CORRECTION)

- Free text: CONVEYANCE APPARATUS FOR ULTRATHIN WEBS COMPRISING A ROLLER WITH CONTOURED SURFACE

2000-08-09 [RTI1] TITLE (CORRECTION)

- Free text: CONVEYANCE APPARATUS FOR ULTRATHIN WEBS COMPRISING A ROLLER WITH CONTOURED SURFACE

1999-09-15 [17Q] FIRST EXAMINATION REPORT

- Effective date: 19990730

1997-06-25 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 19970426

1996-11-20 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A3

- Designated State(s): DE FR GB IT

1996-04-10 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A2

- Designated State(s): DE FR GB IT