Title:
DOUBLE LAYER FLUORORESIN TUBE AND METHOD OF MANUFACTURING THE SAME
Document Type and Number:
Japanese Patent JP2006112507
Kind Code:
A
Abstract:
To provide, at low cost, a double layer fluororesin tube formed by firmly joining an inner layer side tube with excellent corrosive resistance and chemical resistance to an outer layer tube with excellent gas impermeability and allowing less transmission of gas.
This double layer fluororesin tube comprises the inner layer tube formed of PFA, FEP, or ETFE and the outer layer tube formed of PVDF. The inner layer tube is welded to the outer layer tube.
Inventors:
OMI TADAHIRO
TERAMOTO AKINOBU
IWAHARA KENGO
YOSHIDA SHOHEI
TERAMOTO AKINOBU
IWAHARA KENGO
YOSHIDA SHOHEI
Application Number:
JP2004299808A
Publication Date:
April 27, 2006
Filing Date:
October 14, 2004
Export Citation:
Assignee:
UNIV TOHOKU
NICHIAS CORP
NICHIAS CORP
International Classes:
F16L11/04; B32B27/30
Domestic Patent References:
| JPH05125202A | 1993-05-21 | |||
| JPH04145139A | 1992-05-19 |
Foreign References:
| WO2003089514A2 | 2003-10-30 |
Attorney, Agent or Firm:
Shohei Oguri
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Hamada
Hironori Honda
Toshimitsu Ichikawa
Takeshi Takamatsu
Yuriko Hamada