Method of making multilayered webs
Abstract
The invention relates to a process for the production of multilayer material webs in that the web (4) has a carrier layer made of a plastic film and at least one nonwoven layer (4) which is welded thereto and which is arranged in corrugations. 1), wherein the extension of the fingers are aligned with the grooves or their edges, thereby introducing the fleece (4) into the groove recesses. In this case, the web width is gathered and continuously applied over the corrugated nonwoven web (4), the plastic film and welded together by means of the upper edges of the grooves associated heating elements.

Term
Term ended
Projected expiry passed 14 August 2024, 2.1 years ago.
- Priority
- Filed
- Published
- Projected expiry
- Today
1 sheet
Sheet 1
Every citation, both ways
| Document | Relation | Office | Category | Cited during | Relevant claims |
|---|---|---|---|---|---|
| EP0022896A1 | Cites | European Patent Office (EPO) | A | Search report | 1-12 |
| EP0677321A1 | Cites | European Patent Office (EPO) | A | Search report | – |
| GB199538A | Cites | United Kingdom | XY | Search report | 8-12 |
| US2747064A | Cites | United States of America | A | Search report | 1-12 |
| FR335445A | Cites | France | A | Search report | 8-12 |
| US3725164A | Cites | United States of America | A | Search report | 6,11 |
| US4474637A | Cites | United States of America | A | Search report | 6,11 |
| DE506599C | Cites | Germany | A | Search report | 7,12 |
| US5451219A | Cites | United States of America | A | Search report | 1-12 |
| US5775902A | Cites | United States of America | YA | Search report | 1-7 |
| WO9728962A1 | Cites | World Intellectual Property Organization (WIPO) | A | Search report | 1-12 |
| USH1558H | Cites | United States of America | A | Search report | 1-12 |
4 members in 2 offices
Priority claims4
| Document | Office | Kind | Date |
|---|---|---|---|
| 10351831 | Germany | A | |
| 10351831 | Germany | – | |
| 10351831 | – | – | – |
| DE2003151831 | – | – | – |
Members4
| Document | Office | Kind | |
|---|---|---|---|
| EP1529623A2 | European Patent Office (EPO) | A2 | |
| DE10351831A1 | Germany | A1 | |
| EP1529623A3This record | European Patent Office (EPO) | A3 | |
| DE10351831B4 | Germany | B4 |
23 legal events, as the office reported them to INPADOC
Over the term
Point at a mark for the eventEvents
| Event | Code | |
|---|---|---|
| Application withdrawnWithdrawn18W | 18W | |
| Information on the status of an ep patent application or granted ep patentGrantedSTATUS: THE APPLICATION HAS BEEN WITHDRAWNSTAA | STAA | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Despatch of communication of intention to grant a patentORIGINAL CODE: EPIDOSNIGR1GRAP | GRAP | |
| First examination report despatched17Q | 17Q | |
| Designation fees paidAKX | AKX | |
| Request for examination filed17P | 17P | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Information provided on ipc code assigned before grantRIC1 | RIC1 | |
| Search report despatchedORIGINAL CODE: 0009013PUAL | PUAL | |
| Designated contracting statesAK | AK | |
| Request for extension of the european patentAX | AX | |
| Public reference made under article 153(3) epc to a published international application that has entered the european phaseORIGINAL CODE: 0009012PUAI | PUAI |
Numbers
- Publication
- 1529623
- Publication, DOCDB
- 1529623
- Publication, EPODOC
- EP1529623
- Application
- 4019353
- Application, DOCDB
- 04019353
- Application, EPODOC
- EP20040019353
Titles3
- German
- Verfahren zur Herstellung von mehrschichtigen Materialbahnen
- English
- Method of making multilayered webs
- French
- Procédé de fabrication de bandes multicouches
Classification
- CPC, 20
- B32B27/12
- B29C53/26
- B29C65/086
- B29C66/1122
- B29C66/232
- B29C66/438
- B29C66/63
- B29C66/7392
- B29C66/80
- B29C66/81433
- B29C66/83411
- B29L2024/00
- B29L2031/4878
- B31F1/225
- B32B3/28
- B32B5/022
- B32B37/0076
- B32B37/144
- B32B38/00
- B32B2310/028
- IPC, 9
- B29C53 26
- B29C65 00
- B29C65 08
- B31F1 22
- B32B3 28
- B32B5 04
- B32B27 12
- B32B37 00
- B32B37 14
Designated states33
- Contracting states, 28
- Austria
- Belgium
- Bulgaria
- Switzerland
- Cyprus
- Czechia
- Germany
- Denmark
- Estonia
- Spain
- Finland
- France
- United Kingdom
- Greece
- Hungary
- Ireland
- Italy
- Liechtenstein
- Luxembourg
- Monaco
- Netherlands (Kingdom of the)
- Poland
- Portugal
- Romania
and 4 moreShow fewer
- Sweden
- Slovenia
- Slovakia
- Türkiye
- Extension states, 5
- Albania
- Croatia
- Lithuania
- Latvia
- North Macedonia