Title:
METHODS OF MANUFACTURING SEQUENTIALLY STRETCHED POLYMER FILMS, APPARATUS USED FOR SUCH METHODS, AND PRODUCTS OBTAINED THEREBY
Document Type and Number:
WIPO Patent Application WO/2015/128467
Kind Code:
A3
Abstract:
Methods include at least one sequential stretching step between circular or spiralized grooved rollers and the sequential stretching is performed according to at least one of six aspects of the invention.
Inventors:
RASMUSSEN OLE-BENDT (CH)
Application Number:
PCT/EP2015/054146
Publication Date:
November 26, 2015
Filing Date:
February 27, 2015
Export Citation:
Assignee:
RASMUSSEN OLE-BENDT (CH)
International Classes:
B29C55/18; B29C48/08; B29C48/21; B29C55/02
Domestic Patent References:
| WO2008006858A1 | 2008-01-17 | |||
| WO2009090208A1 | 2009-07-23 | |||
| WO2006072604A2 | 2006-07-13 | |||
| WO2002102592A1 | 2002-12-27 | |||
| WO2010128124A1 | 2010-11-11 |
Foreign References:
| US20090233041A1 | 2009-09-17 | |||
| US20120033900A1 | 2012-02-09 | |||
| US4464815A | 1984-08-14 | |||
| US4039364A | 1977-08-02 | |||
| EP1163102A1 | 2001-12-19 |
Other References:
See also references of EP 3110610A2
Attorney, Agent or Firm:
JONES, Helen Marjorie Meredith (20 Primrose StreetLondon, Greater London EC2A 2ES, GB)
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