EP 0969958 A1 20000112 - MULTI-LAYER PLASTIC TUBE
Title (en)
MULTI-LAYER PLASTIC TUBE
Title (de)
MEHRSCHICHT-KUNSTSTOFFROHR
Title (fr)
TUYAU EN PLASTIQUE A PLUSIEURS COUCHES
Publication
Application
Priority
- DE 29705681 U 19970329
- EP 9801822 W 19980327
Abstract (en)
[origin: WO9843806A1] The invention relates to a multi-layer plastic tube, comprising a base tube (16), a barrier layer (20) coating the base tube, said barrier layer being impenetrable to oxygen, and a protective layer (22) applied on top of the barrier layer, for protecting said barrier layer from damage. This protective layer consists of a material containing a lubricant.
IPC 1-7
IPC 8 full level
B32B 1/08 (2006.01); F16L 9/12 (2006.01); F16L 11/04 (2006.01); F16L 11/11 (2006.01)
CPC (source: EP US)
B32B 1/08 (2013.01 - EP US); B32B 3/28 (2013.01 - US); B32B 7/12 (2013.01 - US); B32B 27/08 (2013.01 - US); F16L 9/12 (2013.01 - EP US); F16L 11/045 (2013.01 - EP US); F16L 11/11 (2013.01 - EP US); B32B 2307/7244 (2013.01 - US); B32B 2597/00 (2013.01 - US); F02M 35/10137 (2013.01 - EP US); F16L 2011/047 (2013.01 - EP US); Y10S 138/01 (2013.01 - EP US)
Citation (search report)
See references of WO 9843806A1
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI NL
DOCDB simple family (publication)
WO 9843806 A1 19981008; EP 0969958 A1 20000112; US 6279614 B1 20010828
DOCDB simple family (application)
EP 9801822 W 19980327; EP 98913738 A 19980327; US 40211099 A 19990929