Title:
COILED CORE FOR PRODUCTION OF FLEXIBLE COMPOSITE INSULATION MATERIAL
Document Type and Number:
WIPO Patent Application WO/2018/223599
Kind Code:
A1
Abstract:
Disclosed is a coiled core for production of a flexible composite insulation material. The coiled core comprises a coiled core outer tube (10) and coiled core inner tubes (20) arranged at an inner side of the coiled core outer tube (10), wherein two coiled core inner tubes (20) are provided, and the two coiled core inner tubes (20) are consistent in specification and are symmetrically distributed at two ends of the inner side of the coiled core outer tube (10); outer side walls of the coiled core inner tubes (20) are closely attached to an inner side wall of the coiled core outer tube (10), and the coiled core inner tubes (20) can retract inwards along the coiled core outer tube (10), thus forming the coiled core with a flexibly adjustable side wall thickness; and the coiled core is made of an aluminium alloy material. The coiled core has a simple structure and is convenient to use, the side wall thickness of the coiled core is flexibly adjustable, and the coiled core can be more conveniently sheathed with and separated from a guide roller (30).
Inventors:
HONG MU (CN)
JIANWEI WANG (CN)
JIANWEI WANG (CN)
Application Number:
PCT/CN2017/110310
Publication Date:
December 13, 2018
Filing Date:
November 10, 2017
Export Citation:
Assignee:
HENAN YANAN INSULATION MAT FACTORY CO LTD (CN)
International Classes:
B65H75/04
Foreign References:
CN107032189A | 2017-08-11 | |||
CN201254413Y | 2009-06-10 | |||
CN2570231Y | 2003-09-03 | |||
CN204847492U | 2015-12-09 | |||
CN203486611U | 2014-03-19 | |||
CN202389989U | 2012-08-22 | |||
CN203582155U | 2014-05-07 | |||
CN204588321U | 2015-08-26 | |||
JP2002241050A | 2002-08-28 | |||
JP2009263071A | 2009-11-12 | |||
JP2004182458A | 2004-07-02 |
Attorney, Agent or Firm:
XUCHANG YUCHUANG INTELLECTUAL PROPERTY AGENCY (SPECIAL GENERAL PARTNERSHIP) (CN)
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