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Legal status
Patent not validated
| (51) | INT.CL. | B21D 47/02 | |
| B21D 31/04 | |||
| E04C 2/42 | |||
| E04C 3/09 |
| (11) | Number of the document | 3515629 |
| (13) | Kind of document | T |
| (96) | European patent application number | 17825439.7 |
| Date of filing the European patent application | 2017-12-13 | |
| (97) | Date of publication of the European application | 2019-07-31 |
| (45) | Date of publication and mention of the grant of the patent | 2021-05-26 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2017/082679 |
| Date | 2017-12-13 |
| (87) | Number | WO 2018/134003 |
| Date | 2018-07-26 |
| (30) | Number | Date | Country code |
| 102017100920 | 2017-01-18 | DE |
| (72) |
WILLERSCHEID, Heiner, DE
WEINMANN, Andreas, DE
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| (73) |
Protektorwerk Florenz Maisch GmbH & Co. KG,
Viktoriastrasse 58, 76571 Gaggenau,
DE
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| (54) | VERFAHREN UND VORRICHTUNG ZUM AUFWEITEN EINES METALLELEMENTS |
| METHOD AND DEVICE FOR EXPANDING A METAL ELEMENT |