| Patents for B29L 23 - Tubular articles (4,866) |
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| 01/08/1997 | CN1139615A Method and installation for production of multilayer pipe of thermoplastic material, in particular polyolefine |
| 01/08/1997 | CA2175443A1 Method for lining a bent pipe |
| 01/07/1997 | US5591497 Chlorinated polyvinyl chloride rigid pipe and method of forming such pipe |
| 01/07/1997 | US5591292 Welding method in the manufacture of a spirally wound tube and a welding head for performing the method |
| 12/31/1996 | US5588468 Multilayer thermoplastic tubes |
| 12/27/1996 | EP0749823A1 Pull-off device |
| 12/27/1996 | EP0702620A4 Method for manufacturing expanded polytetrafluoroethylene products |
| 12/27/1996 | EP0689483A4 Extrusion of tubing, sheeting and profile shapes |
| 12/27/1996 | EP0583289B1 A method for manufacturing a joint pipe |
| 12/21/1996 | CA2179438A1 Extraction device |
| 12/18/1996 | EP0648158B1 Multi-cavity travelling mold tunnel for molding profiled pipe and mold block tunnels |
| 12/12/1996 | DE19534455C1 Multilayer plastics tube free from PVC, for medical purposes |
| 12/11/1996 | EP0576431B1 Extrusion die |
| 12/10/1996 | US5582886 Polyimide composite tube and method of manufacturing the same |
| 12/10/1996 | US5582849 Travelling mold with mold block carriers |
| 12/03/1996 | US5580589 Apparatus for bending plastic pipe |
| 12/03/1996 | US5580406 Surfacing or rehabilating structures without supporting forms |
| 11/27/1996 | EP0743894A1 Process for producing corrugated multi-layer tubing having layers of differing plastic characteristics |
| 11/21/1996 | WO1996036374A1 Medical tubing and assemblies |
| 11/19/1996 | US5576032 Extrusion die with interchangeable extrusion nozzles |
| 11/13/1996 | EP0741848A1 Pipes for systems used in motor vehicles and process for producing the same |
| 11/13/1996 | EP0552212B1 A method and an apparatus for producing a container |
| 11/12/1996 | US5573720 Extrusion of thermally cross-linkable materials |
| 11/06/1996 | EP0678069B1 Extrusion of thermally cross-linkable materials |
| 11/06/1996 | CN1134871A Polyimide composite tube and method of mfg. same |
| 10/31/1996 | WO1996033912A1 Method and apparatus for forming seal portion of laminated aluminum tube |
| 10/29/1996 | US5569144 Process for the production of tube bodies for packaging tubes |
| 10/29/1996 | CA2076156C Method for welding together pipes consisting of thermoplastic plastics |
| 10/16/1996 | EP0737129A1 A method and apparatus for producing a bell joint |
| 10/16/1996 | EP0606337B1 Loop machine for helically winding strip |
| 10/09/1996 | EP0735946A1 Apparatus for making annularly ribbed plastic pipe and method of making such pipe |
| 10/09/1996 | EP0702600A4 Drip irrigation hose and method of manufacture |
| 10/02/1996 | EP0735304A2 Extruded CPVC pipe |
| 10/01/1996 | US5560941 Apparatus for the manufacture of corrugated pipes of thermoplastic plastics |
| 09/26/1996 | DE19610975A1 Prodn. of cylindrical carrier for photoconductor for electrophotographic use |
| 09/25/1996 | EP0733461A2 A tubular liner and a method for connecting ends of liner tubes |
| 09/25/1996 | EP0733452A2 Improved cured composite and process therefor |
| 09/24/1996 | CA2172456A1 Tubular liner and a method for connecting ends of liner tubes |
| 09/19/1996 | WO1996028295A1 Method for producing a blow-molded body having multiple dimensions and device for performing the method |
| 09/19/1996 | CA2213012A1 Method for producing a blow-molded body having multiple dimensions and device for performing the method |
| 09/18/1996 | EP0732191A2 Apparatus for welding tubular thermoplastic elements together |
| 09/11/1996 | EP0731540A1 Ion generator for a total containment connecting/disconnecting device of plastic tubes |
| 09/10/1996 | US5554332 Process of manufacturing shaped elements from synthetic thermopolastics |
| 09/07/1996 | CA2170179A1 Ion generator in connect/disconnect of plastic tubes |
| 09/04/1996 | EP0618951B1 A method for combustion of hydrocarbons |
| 08/29/1996 | DE19607324A1 Application of spiral ribs to hose |
| 08/28/1996 | CN1129638A A pressurized-fluid workhead for permanent bell-forming of end tracts of plastic pipes, for use in automatic bell-forming machines |
| 08/27/1996 | US5549947 Interior ply which functions to dampen or resist sudden forces; exterior abrasion resistant ply |
| 08/27/1996 | US5549856 Method of repairing a pipeline with an injected resin |
| 08/23/1996 | CA2143151A1 Process for welding tubular parts and a welding element for carrying out the process |
| 08/22/1996 | WO1996025341A1 A collapsible tube package and method of construction |
| 08/22/1996 | CA2212462A1 A collapsible tube package and method of construction |
| 08/14/1996 | EP0726136A1 A method for manufacturing a tubular liner bag |
| 08/14/1996 | EP0726134A1 Method and apparatus for producing a thermoplastic multi layer pipe, especially from polyolefin |
| 08/14/1996 | EP0725911A1 Article and method for protecting substrates |
| 08/14/1996 | EP0725723A1 Stabilised fabrics and reinforced products containing them |
| 08/14/1996 | EP0603184B1 A method for joining spirally wound thermoplastic pipes together |
| 08/14/1996 | CN1128700A Tubular film, method for mfg. same and image formation device with tubular film |
| 08/08/1996 | WO1996023644A1 Method for producing a thermoplastic tubular profile and internal cooling unit for such a method |
| 08/08/1996 | CA2210393A1 Method for producing a thermoplastic tubular profile and internal cooling unit for such a method |
| 08/07/1996 | EP0700496A4 Pipe liner composition |
| 07/31/1996 | EP0723851A2 Total containment connect/disconnect device |
| 07/31/1996 | CN1032446C Method and article for microwave bonding for polyethylene pipe |
| 07/24/1996 | EP0722824A2 Fitting & pipe joint using it |
| 07/24/1996 | CN1127490A Linings for pipelines and passageways |
| 07/23/1996 | US5538411 Spiral fed multi-layer tubular die |
| 07/19/1996 | CA2164749A1 Total containment connect/disconnect device |
| 07/10/1996 | EP0720527A1 Quality assurance of electrically weldable joining elements |
| 07/10/1996 | CN1126456A Electrical harnessing article |
| 07/03/1996 | EP0719206A1 Pipe coupling |
| 07/02/1996 | US5531585 Travelling mold with separation of mold blocks |
| 06/27/1996 | WO1996019693A1 Process for producing a flexible tube for lining pipes, channels or the like |
| 06/27/1996 | DE19543083A1 Verfahren und Mittel zum Verschweißen von Wellrohren und/oder Verbundrohren und hiernach erzeugte Schweißverbindung Method and means for welding of corrugated pipes and / or composite tubes and welded joint produced hereinafter |
| 06/27/1996 | CA2206639A1 Process for producing a flexible tube for lining pipes, channels or the like |
| 06/26/1996 | EP0718370A1 Heat shrinkable silicone tube and method for making it |
| 06/25/1996 | US5529743 Methods for the manufacture of clean air ducts |
| 06/20/1996 | WO1996018492A1 Surfacing or rehabilitating structures without supporting forms |
| 06/12/1996 | EP0677159B1 Multilayer duct and die for producing same |
| 06/11/1996 | US5525288 Method of manufacturing a hose having an expanded portion and a compression formed portion |
| 06/11/1996 | US5525186 Wafer for use in the selective connecting and disconnecting of plastic tubes |
| 06/05/1996 | EP0714346A1 A welding method in the manufacture of a spirally wound tube and a welding head for performing the method |
| 06/05/1996 | EP0714345A1 A thin-wall, seamless, porous polytetrafluoroethylene tube |
| 05/29/1996 | EP0713756A2 Molding apparatus |
| 05/29/1996 | CA2163830A1 Process and means for welding corrugated tubes and/or compound tubes and weld connection produced thereby |
| 05/28/1996 | US5520218 Medical tubing set for the use with an improved radio frequency tubing sealer |
| 05/22/1996 | EP0712352A1 Process for making a tubular cladding hose |
| 05/22/1996 | CN1122748A An apparatus for the manufacture of corrugated tubing from thermoplastic synthetic resin |
| 05/17/1996 | WO1996014198A1 Method for stripping open ended bellows part from injection mold |
| 05/15/1996 | EP0711796A1 Process for producing wound bodies |
| 05/14/1996 | US5516270 For sizing extruded plastic tubing |
| 05/01/1996 | EP0708705A1 Device for the butt-welding of plastic sections, especially pipes |
| 05/01/1996 | EP0708702A1 Method and apparatus for forming a double walled thermoplastic tube with integral bells |
| 04/30/1996 | US5511964 Apparatus for the production of plastic pipes |
| 04/24/1996 | EP0707941A1 Method for making composite pipes with high mechanical and tribologic characteristics |
| 04/24/1996 | EP0707532A1 Linings for pipelines and passageways |
| 04/24/1996 | EP0707531A1 Applying linings to pipelines and passageways |
| 04/17/1996 | EP0706450A1 Electrical harnessing article |
| 04/09/1996 | US5505887 Extrusion process for manufacturing PTFE products |
| 04/09/1996 | US5505813 Apparatus and process for the production of tubular bodies |
| 04/04/1996 | DE19516739C1 Cylindrical product mfr. by spiral winding of hollow thermoplastic profile |