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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/DK2018/050189 2017P00073WO
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
02 August 2018 03 August 2017
Applicant
VESTAS WIND SYSTEMS A/S
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.
6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     6    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     B23C 5/04 (2006.01)i; B23C 5/18 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     B23C; B24D; B25C; B23B
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
EPO-Internal, WPI Data

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
X
US 5020394 A (NAKAMURA TSUTOMU [JP] ET AL) 04 June 1991 (1991-06-04)
1,4,15
figure 2; example 1
(2)
X
WO 2015018842 A1 (ELEMENT SIX LTD [IE]) 12 February 2015 (2015-02-12)
1-4,15
page 7, last paragraph - page 8, last paragraph; figure 1c
(3)
X
GB 2481295 A (ELEMENT SIX LTD [IE]; ELEMENT SIX PRODUCTION PTY LTD [ZA]) 21 December 2011 (2011-12-21)
1,4,15
page 3, line 10 - line 21; figure 2
(4)
A
WO 0249801 A1 (DE BEERS IND DIAMOND [ZA]; FRIES ROBERT [ZA]; SIGALAS IACOVOS [ZA]) 27 June 2002 (2002-06-27)
1-15
page 5, paragraph 2; figure 2
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
US 5020394 A
04 June 1991
CA 2000417 A1
DE 68911468 D1
DE 68911468 T2
EP 0365218 A1
ES 2048847 T3
JP H02106210 A
US 5020394 A
ZA 8907790 B
14 April 1990
27 January 1994
14 April 1994
25 April 1990
01 April 1994
18 April 1990
04 June 1991
26 June 1991
WO 2015018842 A1
12 February 2015
GB 2518511 A
WO 2015018842 A1
25 March 2015
12 February 2015
GB 2481295 A
21 December 2011
CN 103097064 A
EP 2582478 A1
GB 2481295 A
JP 5913300 B2
JP 2013528504 A
KR 20130038299 A
US 2013209184 A1
WO 2011157667 A1
08 May 2013
24 April 2013
21 December 2011
27 April 2016
11 July 2013
17 April 2013
15 August 2013
22 December 2011
WO 0249801 A1
27 June 2002
AT 356688 T
AU 1941602 A
CA 2432466 A1
DE 60127305 T2
EP 1351798 A1
JP 4235449 B2
JP 2004516152 A
KR 20030072569 A
US 2004093989 A1
WO 0249801 A1
ZA 200304641 B
15 April 2007
01 July 2002
27 June 2002
20 December 2007
15 October 2003
11 March 2009
03 June 2004
15 September 2003
20 May 2004
27 June 2002
19 July 2004
Name and mailing address of the ISA/:
European Patent Office
P.B. 5818, Patentlaan 2, 2280 HV Rijswijk,
Netherlands
Telephone No. (+31-70)340-2040
Facsimile No. (+31-70)340-3016
Date of the actual completion of the international search:
10 October 2018
Date of mailing of the international search report:
26 October 2018
Authorized officer:
Herbreteau, D
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