EP 0969958 A1 2000-01-12 - 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
- EP 9801822 W
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 (main, further and additional classification)
IPC 8 full level (invention and additional information)
B32B 1/08 (2006.01); F16L 9/12 (2006.01); F16L 11/04 (2006.01); F16L 11/11 (2006.01)
CPC (invention and additional information)
B32B 1/08 (2013.01); B32B 3/28 (2013.01); B32B 7/12 (2013.01); B32B 27/08 (2013.01); F16L 9/12 (2013.01); F16L 11/045 (2013.01); F16L 11/11 (2013.01); B32B 2307/7244 (2013.01); B32B 2597/00 (2013.01); F02M 35/10137 (2013.01); F16L 2011/047 (2013.01); Y10S 138/01 (2013.01)
Citation (search report)
See references of WO 9843806A1
Designated contracting state (EPC)
AT BE CH DE ES FR GB GR IT LI NL
EPO simple patent family
WO 9843806 A1 19981008; EP 0969958 A1 20000112; US 6279614 B1 20010828
INPADOC legal status
2002-10-23 [18D] APPLICATION DEEMED TO BE WITHDRAWN
- Effective date: 20020417
2002-01-23 [17Q] FIRST EXAMINATION REPORT
- Effective date: 20011206
2001-07-11 [RAP1] TRANSFER OF RIGHTS OF AN APPLICATION
- Owner name: UPONOR INNOVATION AB
2000-01-12 [17P] REQUEST FOR EXAMINATION FILED
- Effective date: 19990924
2000-01-12 [AK] DESIGNATED CONTRACTING STATES:
- Kind Code of Ref Document: A1
- Designated State(s): AT BE CH DE ES FR GB GR IT LI NL