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International application No. Applicant's or agent's file reference
PCT/US2018/049013 SP17-214
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
31 August 2018 31 August 2017
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)).
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)).
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
This international search report has not been established in respect of certain claims under Article 17(2)(a) for the following reasons:
Claims Nos.:
because they relate to subject matter not required to be searched by this Authority, namely:
Claims Nos.:
because they relate to parts of the international application that do not comply with the prescribed requirements to such an extent that no meaningful international search can be carried out, specifically:
Claims Nos.: 8-10
because they are dependent claims and are not drafted in accordance with the second and third sentences of Rule 6.4(a).
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
The figure of the drawings to be published with the abstract is Figure No.     3    
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.
none of the figures is to be published with the abstract.


     C03B 27/012 (2006.01)i
According to International Patent Classification (IPC) or to both national classification and IPC


Minimum documentation searched (classification system followed by classification symbols):
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Korean utility models and applications for utility modelsJapanese utility models and applications for utility models
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
eKOMPASS(KIPO internal) & Keywords: glass, furnace, roller, deviation


Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
US 2012-0094079 A1 (GABEL, F. et al.) 19 April 2012 See abstract; paragraphs [0022],[0073]; and figure 1a-2b.
CN 103319082 A (THE BRIGHT YILONG INDUSTRY CO., LTD. OF CHANGZHI CITY) 25 September 2013 See abstract; claims 1-2; and figures 1-2.
US 4601743 A (CANFIELD, D. M.) 22 July 1986 See the entire document.
US 4332608 A (RHONEHOUSE, D. E.) 01 June 1982 See the entire document.
CN 204265632 U (BEIJING KEJING TIANRUN GLASS CO., LTD.) 15 April 2015 See the entire document.
Special categories of cited documents:
document defining the general state of the art which is not considered to be of particular relevance
earlier application or patent but published on or after the international filing date
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)
document referring to an oral disclosure, use, exhibition or other means
document published prior to the international filing date but later than the priority date claimed
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
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
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


Patent document cited in search report Publication date
Patent family member(s) Publication date
US 2012-0094079 A1
19 April 2012
CN 102378742 B
CN 102378742 A
DE 102009015089 A1
DE 102009015089 B4
EP 2414297 A1
EP 2414297 B1
JP 2012-521949 A
JP 05595479 B2
US 9302931 B2
WO 2010-112148 A1
14 May 2014
14 March 2012
07 October 2010
24 May 2012
08 February 2012
01 August 2018
20 September 2012
24 September 2014
05 April 2016
07 October 2010
CN 103319082 A
25 September 2013
CN 103319082 B
16 September 2015
US 4601743 A
22 July 1986
US RE032497 E
US 4528016 A
US 4608073 A
US RE32497 E
08 September 1987
09 July 1985
26 August 1986
08 September 1987
US 4332608 A
01 June 1982
JP 56-104730 A
US 4300937 A
US 4297121 A
20 August 1981
17 November 1981
27 October 1981
CN 204265632 U
15 April 2015
Name and mailing address of the ISA/:
Korean Intellectual Property Office
189 Cheongsa-ro, Seo-gu, Daejeon Metropolitan City, 302-701
Republic of Korea
Facsimile No. +82-42-481-8578
Date of the actual completion of the international search:
19 December 2018
Date of mailing of the international search report:
20 December 2018
Authorized officer:
MIN, In Gyou
Telephone No. +82-42-481-3326
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