| Patents for B29L 23 - Tubular articles (4,866) |
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| 06/20/2001 | CN1300250A Heat-shrinkable multiplayer film |
| 06/06/2001 | CN1066669C Polyimide composite tube and its producing method |
| 06/05/2001 | US6241502 Take-off apparatus for plastic tubular sheets |
| 05/30/2001 | EP1102674A1 Device for continuously producing seamless plastic tubes |
| 05/29/2001 | CA2091488C Method and apparatus for the orientation of a plastic pipe |
| 05/23/2001 | CN1066100C Method and installation for producing multilayer pipe of thermoplastic material, in particular polyolefine |
| 05/22/2001 | US6235232 Disposing electrically conductive wire or coated electrically conductive wire along direction of axis of tube wall, covering whole length of wire in inner circumferential surface side thereof with tube wall, enclosing outer circumferential side |
| 05/15/2001 | CA2061610C Total containment welding of plastic tubes |
| 05/10/2001 | WO2001032401A1 Method of making a spirally-wound tube |
| 05/10/2001 | WO2001032398A1 Method and apparatus for extruding catheter tubing |
| 05/10/2001 | CA2388355A1 Method and apparatus for extruding catheter tubing |
| 05/09/2001 | CN1065473C Method of shaping structures, manually placing catheter and emthod for inserting catheter |
| 05/08/2001 | US6228444 Method of making tubes out of composite material having high tribological and mechanical characteristics |
| 05/08/2001 | US6228312 Thermoplastic composite products and method of lining pipework |
| 05/08/2001 | CA2223185C Cellulose food casing manufacturing method |
| 05/08/2001 | CA2223150C Mandrel structure for use in manufacture of cellulose food casing |
| 04/25/2001 | CN1064888C Deivce for producing cross-finned pipes |
| 04/25/2001 | CN1064887C Device for producing cross-finned pipes |
| 04/25/2001 | CN1064886C Device for producing cross-finned pipes |
| 04/18/2001 | EP1092909A1 A reversible lining tube for repairing an existing pipeline |
| 04/17/2001 | US6217963 Seamless tubular composite film and method for producing the same |
| 04/17/2001 | CA2204150C Method for stripping open ended bellows part from injection mold |
| 04/11/2001 | EP0918618B1 Improved boot and method of making such a boot |
| 04/10/2001 | US6212748 Self-contained and self-propelled machine for heat fusing polyolefin pipes |
| 04/10/2001 | US6212747 Self-contained and self-propelled machine for heat fusing polyolefin pipes |
| 04/05/2001 | WO2001023159A1 Device for production of tubes with transverse walls |
| 04/03/2001 | US6210617 Apparatus and method for adjusting a mandrel and kernel while producing a plastic pipe |
| 04/03/2001 | US6210074 Material and method for lining pipes |
| 04/03/2001 | CA2031032C Improved electric resistance fitting for soldering together plastic elements |
| 03/28/2001 | CN1289395A Method for connecting two reinforced thermoplastic tubes |
| 03/21/2001 | EP1084035A1 Heat-shrinkable multilayer film |
| 03/21/2001 | CN1063383C Apparatus and method for adjusting mandrel and kernel used for producing plastic pipe |
| 03/14/2001 | EP0879131B1 An extrusion apparatus and method, a tubular product, and a pipe |
| 03/14/2001 | CN1287525A Facility for manufacturing multilayered composite tubes |
| 03/14/2001 | CN1063130C Tube connecting apparatus |
| 03/08/2001 | DE19938189A1 Kühlmittelrohr für Brennkraftmaschinen sowie Verfahren zur Herstellung desselben Of the same coolant pipe for internal combustion engines and methods for preparing |
| 03/06/2001 | US6198081 Welding sleeve of thermoplastic material with indicator |
| 03/06/2001 | US6197239 Extrusion apparatus for preparing a cylindrical plastic product or for coating the product at least with one layer of plastic, the extrusion apparatus comprising at least one conical stator, at least one conical rotor |
| 02/22/2001 | WO2001012415A1 Coolant tube for internal combustion engines and method of producing the same |
| 02/20/2001 | CA2201392C Device for welding molded parts |
| 02/14/2001 | CN1061930C Process for coextrusion of two materials at different temperatures |
| 02/13/2001 | US6187400 Providing tubing having first layer selected from group consisting of ethylene homopolymers and copolymers; exposing tubing to sterilization dosage of radiation to improve fluid delivery accuracy; pumping fluid through tubing |
| 02/08/2001 | DE19835189C2 Vorrichtung zur kontinuierlichen Herstellung von nahtlosen Kunststoffrohren An apparatus for the continuous production of seamless plastic pipes |
| 02/07/2001 | CN1061592C 管状产品和挤压设备及其方法 Tubular products and extrusion apparatus and method |
| 02/07/2001 | CN1061588C Travelling mold with mold block carriers |
| 02/06/2001 | US6182707 Hollow tubular body for air intake duct, mold therefor, and method of molding the same |
| 01/30/2001 | CA2066754C Apparatus for making plastic tubing including mold blocks hingably openable and closeable |
| 01/25/2001 | WO2001006168A1 Reinforced electro-welding sleeve for plastic pipes |
| 01/25/2001 | WO2001006163A1 Method for manufacturing a high performance crosslinked thermoplastic hose and a high performance crosslinked thermoplastic hose produced thereby |
| 01/25/2001 | CA2379173A1 Method for manufacturing a high performance crosslinked thermoplastic hose and a high performance crosslinked thermoplastic hose produced thereby |
| 01/23/2001 | US6177158 Stretched tubular film for holding foodstuff |
| 01/23/2001 | US6176956 Method and apparatus for the manufacturing of paint rollers |
| 01/17/2001 | CN1060847C Bearing retainer for roller bearing for use in guide-post of die-set |
| 01/16/2001 | CA2025995C Process for producing a large calibre plastic pipe and an extrusion tool for the process |
| 01/11/2001 | WO2001002155A1 Apparatus for producing multiple channel duct assembly and method thereof |
| 01/11/2001 | CA2376262A1 Apparatus for producing multiple channel duct assembly and method thereof |
| 01/09/2001 | US6170535 Multi-layer conduit |
| 01/09/2001 | US6170531 Flexible tubular lining material |
| 01/09/2001 | CA2081848C Extrusion equipment having means for adjusting a delivery end of a die with respect to the extruder for alignment with downstream equipment |
| 12/28/2000 | DE10022663A1 Fiber reinforced plastic pipe for propeller shafts, has helical wound layer made of reinforced fiber and bond portion of pipe has volume rate of fiber content lower than main body portion |
| 12/12/2000 | US6158473 Branch pipe liner bag and pipe lining method |
| 12/07/2000 | WO2000073692A1 Liner with a tubular film that is coated with a nonwoven |
| 12/06/2000 | EP1056970A1 Method for connecting two reinforced thermoplastic tubes |
| 12/05/2000 | US6156144 Method for fusion jointing of plastic pipes |
| 11/30/2000 | DE19924251A1 Auskleidungsschlauch mit auf Folienschlauch aufkaschierter Vliesschicht Liner bag with laminated fleece layer on foil tube |
| 11/28/2000 | US6152184 Branch pipe liner bag and branch pipe lining method |
| 11/21/2000 | US6149421 Device for producing cross-finned pipes |
| 11/08/2000 | CN1058214C Extrusion apparatus and method for orienting plastic material by using extrusion apparatus |
| 11/07/2000 | US6142189 Method for manufacturing a high performance crosslinked thermoplastic hose and a high performance crosslinked thermoplastic hose produced thereby |
| 11/02/2000 | EP1048316A2 Tube connecting apparatus |
| 11/02/2000 | EP1048315A2 Tube connecting apparatus |
| 10/26/2000 | WO2000063003A1 Apparatus for conjoining tubular end portions |
| 10/26/2000 | WO2000062992A1 Spiral pipe using waste plastic material and manufacturing apparatus thereof |
| 10/26/2000 | WO2000062991A1 Adhesive method for spiral pipe |
| 10/25/2000 | CN1057724C Travelling mold with separation of mold blocks |
| 10/24/2000 | US6136135 Method of manufacturing a pipe liner bag |
| 10/24/2000 | CA2201211C Process of reshaping decorated plastic materials |
| 10/17/2000 | US6131618 Process for thermoforming pipes by means of an HF field |
| 10/12/2000 | WO2000060273A1 Structure and removal method for line pipe lining |
| 10/12/2000 | WO2000060271A1 Plastic pipe having a socket, and a method of providing a plastic pipe with a socket |
| 10/12/2000 | WO2000059996A1 Process for manufacturing a biodegradable polymeric composition |
| 10/12/2000 | CA2368964A1 Plastic pipe having a socket, and a method of providing a plastic pipe with a socket |
| 10/12/2000 | CA2364620A1 Process for manufacturing a biodegradable polymeric composition |
| 10/11/2000 | EP0702620B1 Method for manufacturing expanded polytetrafluoroethylene products |
| 10/10/2000 | US6129880 Pressing heated exposed portion with a force into a closure having an interior cavity formed by a bottom and side walls comprised a material compatible with a material from which logitudinally stretched, extruded polymeric sleeve is |
| 10/10/2000 | US6129876 Heat treating the tubing after the tubing has been oriented along its longitudinal axis to maintain dimensional stability |
| 10/05/2000 | DE19946571C1 Recirculating-mold pipe-corrugator comprises interposing turntable holding two mold halves into mold path, enabling substitution of mold forming pipe collar connector, at appropriate intervals |
| 10/03/2000 | US6127011 Flexible tube and method of making |
| 10/03/2000 | US6126030 Liner for a manhole and a method for lining a manhole |
| 09/28/2000 | DE19911729A1 Verfahren und Vorrichtung zur Herstellung einer Zweikammertube Method and device for producing a two-chamber |
| 09/26/2000 | US6123109 Branch pipe lining bag and pipe lining method |
| 09/21/2000 | WO2000055538A1 Joining of reinforced thermoplastic pipe (rtp) for high pressure transportation applications |
| 09/21/2000 | WO2000055225A1 Process for producing a cross-linked polymer product |
| 09/21/2000 | WO2000054963A1 Method and device for producing a two-chamber tube |
| 09/21/2000 | CA2365867A1 Joining of reinforced thermoplastic pipe (rtp) for high pressure transportation applications |
| 09/20/2000 | CN1267251A Polytetrafluoroethylene tubing and extruder for production therefor |
| 09/20/2000 | CN1266777A Tubular film, method for producing same and imaging apparatus using same |
| 09/20/2000 | CN1056683C Method for combustion of hydrocarbons |
| 09/19/2000 | CA2123944C Process and apparatus for forming an outwardly curled lip on cylindrical container body |
| 09/19/2000 | CA2019417C Optimization process for the manufacture of composite material multi-layer tubes and tubes obtained with said process |