| Patents for B29L 23 - Tubular articles (4,866) |
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| 08/30/2006 | CN1824493A Manufacturing technology of hgih pressure bearing glass fiber reinforced plastic oil transfer pipeline |
| 08/22/2006 | US7093864 Connecting element for pipes and method for welding a connecting element onto the end of a pipe |
| 08/22/2006 | CA2233027C Pipe with electrode and insulating layers |
| 08/16/2006 | CN1817615A Production of fire-retardant polystyrene draining pipes |
| 08/16/2006 | CN1817614A Continuously extruding foam thermal-insulative piping material with polystyrene and production thereof |
| 08/15/2006 | US7090797 Extrusion method and extrusion device |
| 08/10/2006 | US20060174959 Composite strip windable to form a helical pipe and method therefor |
| 08/09/2006 | EP1401625B1 Pump fluid pipe for an ejector pump and two methods for producing said pump fluid pipe |
| 08/09/2006 | CN1816438A Tube joining device |
| 08/02/2006 | EP1536937B1 Method and device for taking off extrusion products, in particular for aligning the caterpillar take-off unit with the extrusion axis |
| 08/02/2006 | EP1534490B1 equipment for manufacturing pipe-couplings and pipe couplings |
| 08/02/2006 | EP1476296B1 A method and a device for connecting a plastic conduit and a plastic socket |
| 08/02/2006 | EP1347873B1 Method and apparatus for forming a polymeric container system for pressurized fluids |
| 08/02/2006 | CN2801450Y Mould block fast back delivery device of plastic corrugated pip shaping machine |
| 08/02/2006 | CN1810493A Production process of heat insulating pipe with outer protecting layer of ribbed polyurethane foam |
| 07/27/2006 | WO2006077877A1 Mandrel and apparatus and process for resin film production with mandrel |
| 07/26/2006 | EP1472063B1 Multi-layer plastic pipe produced by means of rotational casting and method for its manufacturing |
| 07/26/2006 | CN1807073A Production method of large-scale heatproof corrosion-resistant glass fiber reinforced plastic cartridge |
| 07/26/2006 | CN1807062A Preparation method of modified ultrahigh molecular weight polyethylene powder direct extruded tubing |
| 07/26/2006 | CN1807055A Method for manufacturing silicon rubber tube with built-in steel wire |
| 07/25/2006 | USRE39207 Anti-static and peroxide-stable molding compounds |
| 07/20/2006 | US20060157502 Tube with head made of multilayer materials and manufacturing process |
| 07/18/2006 | US7077164 Pipe |
| 07/13/2006 | WO2006073035A1 Circular resin molded article having circular hole in center thereof, and method and apparatus for molding said circular resin molded article |
| 07/12/2006 | CN1799818A Anti-corrosion tube and its manufacturing process |
| 07/11/2006 | CA2387313C Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article |
| 07/11/2006 | CA2060839C Chlorinated polyvinyl chloride rigid compound and articles derived therefrom |
| 07/06/2006 | US20060145105 Tube clamp device and tube connection device |
| 07/06/2006 | US20060144525 Tube joining device |
| 07/06/2006 | DE10229074B4 Spiralisiervorrichtung Spiralling |
| 07/05/2006 | CN1798648A Tube clamp device and tube connection device |
| 07/05/2006 | CN1798646A Method and apparatus for control of plastics tube orientation process |
| 07/05/2006 | CN1796089A Apparatus for everting a lining material |
| 07/04/2006 | US7069635 Methods and devices for the production of a pipe from biaxialy oriented thermoplastic material having an integrated socket |
| 07/04/2006 | CA2160732C Method of making tubes out of composite material having high tribological and mechanical characteristics |
| 06/28/2006 | EP1467857B1 Heat-sealable and shrinkable multi-layer polymeric film |
| 06/28/2006 | EP1303387B1 Method of producing structures using centrifugal forces |
| 06/28/2006 | CN1792615A Co-extrusion tech. for thermal contraction double-wall pipe |
| 06/21/2006 | EP0836491B1 Oriented medical tubing |
| 06/21/2006 | CN1788975A Ethene/acrylic ester rubber hose preparation method |
| 06/14/2006 | EP1287231A4 Apparatus for and method of lining passageways |
| 06/14/2006 | EP1027980B1 Extruder for ther production of tube made of ptfe |
| 06/14/2006 | CN2787415Y Tube die-stamping equipment for production of continuous long plastic tube |
| 06/14/2006 | CN1785651A Technology of internal lining steel plastic composite pipeline |
| 06/14/2006 | CN1259185C Automotive fuel pipeline made by co-injection process |
| 06/07/2006 | EP1453646B1 Mould for forming the headpiece of deformable tubular plastic containers |
| 05/25/2006 | US20060108066 Conduit and method of forming |
| 05/24/2006 | EP1658951A1 Extrusion molding apparatus for resin tube |
| 05/24/2006 | EP1658950A1 Extrusion molding apparatus for resin multi-layer tube |
| 05/10/2006 | CN2778536Y Steel-plastic compound pipe producing device |
| 05/10/2006 | CN1255261C Process for rotomolding with melt-extruded TFE/PAVE copolymer |
| 05/04/2006 | WO2006046478A1 Method and device for reversing pipe lining material and conduit restoring method using reversing device |
| 05/03/2006 | EP1652653A1 Tube joining device |
| 05/03/2006 | EP1263560B1 Improved container and method and apparatus for forming the container |
| 04/27/2006 | WO2006003451A3 Method for forming a tubular structure |
| 04/19/2006 | CN2772800Y Producer of steel wire reinforced composite plastic pipe |
| 04/19/2006 | CN1760016A Method for adhesive bonding foam jacket tube of steel conduit |
| 04/19/2006 | CN1760015A Technique for steel-plastic composite tube enhanced by antistatic flame retardant Nano fibers |
| 04/18/2006 | US7028716 Method for rehabilitating an existing pipe |
| 04/11/2006 | US7025842 Ultrasound welding of plastics components |
| 04/05/2006 | CN2769185Y Thin wall transparent plastic wrapper |
| 04/05/2006 | CN2769037Y Vacuum drawing mould structure for PVC, PE, PVC-PE fluid tube |
| 04/05/2006 | CN2769032Y Apparatus for producing reinforced composite plastic pipe |
| 04/05/2006 | CN1754683A Intermediate frequency heating pipe plastic liner device |
| 03/30/2006 | US20060066003 Method of forming a hose |
| 03/30/2006 | US20060065663 High pressure vessel |
| 03/29/2006 | EP1640602A1 Synthetic resin fusion body |
| 03/29/2006 | EP1640142A1 Tube clamp device and tube connection device |
| 03/29/2006 | EP1640141A2 Device, assembly and method for joining pipes, vehicle with such a device or assembly |
| 03/29/2006 | CN1751870A Method for preparing polyunsymfluorethylene piezoelectric tubes |
| 03/22/2006 | CN1246140C Device for producing plastic thin film |
| 03/21/2006 | US7015421 Fusion joining device for plastic tubes |
| 03/21/2006 | US7014808 Method and apparatus for coating the interior surface of a straw |
| 03/21/2006 | CA2145946C Flexible tube and method of making |
| 03/16/2006 | US20060054275 Tube-joining apparatus and tube-joining method |
| 03/15/2006 | CN1746006A Manufacture of metal reinforced plastic spiral ripple pipe |
| 03/15/2006 | CN1746004A Production of PE piping materials with thick wall |
| 03/14/2006 | CA2148674C Plasma process for reducing friction within the lumen of polymeric tubing |
| 03/01/2006 | CN1741892A Method for flange bonding |
| 02/28/2006 | US7004202 Composite strip windable to form a helical pipe and method therefor |
| 02/15/2006 | CN1733447A Forming method for casing pipe used for pipe coupling, the casing pipe and pipe coupling using the casing pipe |
| 02/02/2006 | WO2006011475A1 Heater unit and thermal fusion apparatus for synthetic resin members and thermal fusion method for synthetic resin members |
| 01/25/2006 | CN1724241A Pure plastic impervious oxygen pipe and its rpeparation method |
| 01/11/2006 | CN1718409A Preparation method of nylon composite gradient pipe |
| 01/10/2006 | US6984353 Method for manufacturing a polyimide sleeve |
| 01/10/2006 | US6983540 Method for manufacturing elastic cylindrical body and method for manufacturing elastic roll |
| 01/04/2006 | EP1268158B1 Method and production line for the continuous manufacture of plastic tubes with bi-axial drawing |
| 01/04/2006 | CN1234520C Atactic copolymerized polypropylene composite pipe and its preparation |
| 01/03/2006 | CA2278599C Device for producing cross-finned pipes |
| 12/29/2005 | US20050286994 Turning bar draw-off device for a tubular film extrusion installation |
| 12/28/2005 | EP1440273B1 A liner for reinforcing a pipe and method of making the same |
| 12/14/2005 | EP1133653B1 Method of making a pipe, and a pipe |
| 12/08/2005 | WO2005115755A1 Laminated molding product |
| 12/08/2005 | US20050269017 Method and device for producing a hollow body by rotation and resulting products |
| 12/06/2005 | CA2307798C Pipe mold with compensation for pipe shrinkage |
| 12/06/2005 | CA2156458C Pressurized-fluid workhead for permanent bell-forming of end tracts of plastic pipes, for use in automatic bell-forming machines |
| 11/24/2005 | US20050260297 Pipe mold with compensation for pipe shrinkage |
| 11/17/2005 | DE102005012995A1 Verfahren zum Zuführen eines erwärmten Mediums sowie Struktur für ein sekundäres Formen einer geformten Harzkomponente A method for supplying a heated medium, and a secondary structure for molding a molded resin component, |
| 11/16/2005 | EP1595686A1 Unit for production of tubular resin film |
| 11/16/2005 | EP1595682A1 Unit and process for the production of tubular resin film |