| Patents for B29D 23 - Producing tubular articles (6,162) |
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| 07/04/1990 | EP0376558A1 Air impermeable containers |
| 07/04/1990 | EP0375992A1 Process for preparing pipes from composite materials based on epoxy resins and bis[1(2'aminoethyl)-1,3-diaza-cyclopenten-2-yl-2]-heptane-1,7 |
| 07/04/1990 | EP0375991A1 Process for preparing composite wrapped bodies from epoxy resins and [1(2'aminoethyl)-1,3-diazacyclo-penten-2-yl-2]-heptane-2 and/or [1(2'aminoethyl)-1,3-diaza-cyclopenten-2-yl-2]-2,4,4-trimethyl pentane-1 |
| 07/03/1990 | US4939037 Composite sign post |
| 07/03/1990 | US4938824 Method for making a composite component using a transverse tape |
| 07/03/1990 | US4938818 Method of forming a seal |
| 06/28/1990 | WO1990006859A1 Air impermeable containers |
| 06/27/1990 | EP0374667A1 Process and installaton for making a composite pipe in a rotating mould |
| 06/27/1990 | CA2006451A1 Process for the fabrication of fiber-reinforced wound structures from epoxy resins and 3-{1-(2'-aminoethyl)-1,3- diaza-2-cyclopenten-2-yl}heptane and/or {1-(2'-aminoethyl) -1,3-diaza-2-cyclopenten-2-yl}-2,4,-trimethyl-1-pentane |
| 06/27/1990 | CA2006449A1 Process for manufacture of pipe from composite materials based on epoxy resins and 1,7-bis-[1-(2'-aminoethyl)-1,3-diaza-2-cyclopenten-2-yl] heptane |
| 06/26/1990 | CA1270612A1 Method of manufacturing heat-weldable thermoplastic fittings |
| 06/23/1990 | CA2006518A1 Method and apparatus for producing a composite pipe in a rotating drum |
| 06/21/1990 | DE3940950A1 Interior sealant for collapsible tubes - consists of ring of thin polyamide-based coating of specific softening point range applied internally by gun and rapidly dried by hot air |
| 06/19/1990 | CA1270452A2 Dimensionally stable thermoplastic tubular articles |
| 06/05/1990 | US4931119 Method for making a reinforced thermosetting resin structure with integral unflanged nozzle |
| 05/29/1990 | US4929409 Method in manufacturing a heat insulated tube and a device in extruders for manufacturing the tube |
| 05/29/1990 | US4929408 Method of locating an electrical conductor between a first extruded tube and an extruded lining |
| 05/29/1990 | US4929294 Offshore oil drilling |
| 05/23/1990 | CN1008078B Apparatus for molding thermoplastic pipes |
| 05/22/1990 | US4927476 Method for making a reinforced thermosetting resin structure with integral flanged nozzle |
| 05/09/1990 | EP0367014A2 Shape memory hollow body and method of working the same |
| 05/08/1990 | US4923724 Composite articles |
| 05/08/1990 | CA1268615A1 Method and an apparatus for the production of ribbed pipes |
| 05/08/1990 | CA1268610A1 Method of spin-welding |
| 04/25/1990 | CN1007713B Process for the manufacture of a tubular semimanufactured article of plastics for the manufacture of sack |
| 04/19/1990 | WO1990004128A1 A composite hose |
| 04/11/1990 | EP0362919A2 Extruded radially stretched plastic pipe and procedure for manufacturing such a pipe |
| 04/11/1990 | CN1041212A Method and apparatus for producing flexible tubes of any length |
| 04/11/1990 | CN1041130A Improvements in suction applying molded blocks in pipe forming apparatus |
| 04/10/1990 | US4915762 Braiding filaments around inner tube |
| 04/04/1990 | EP0361639A2 Bar-like molding made of fiber-reinforced plastic material and method of manufacturing the same |
| 04/04/1990 | EP0361580A2 Extruded biaxially stretched foam plastic pipe and procedure for the manufacture thereof |
| 04/03/1990 | US4913764 Device for manufacturing shells of mineral fibers |
| 03/22/1990 | WO1990002649A1 Extruded biaxially stretched foam plastic pipe and procedure for the manufacture thereof |
| 03/22/1990 | WO1990002648A1 Extruded radially stretched plastic pipe and procedure for manufacturing such a pipe |
| 03/21/1990 | EP0359089A2 Improvements in suction applying molded blocks in pipe forming apparatus |
| 03/15/1990 | DE3929770A1 Appts. for bellows production - welds folds with two sharp edged disc sonotrodes while rotated members support and hold bellows material on each side of fold |
| 03/13/1990 | US4907624 Thermosetting resin pipe |
| 03/07/1990 | EP0357022A2 Process for the production of vulcanised tubes |
| 03/06/1990 | US4906313 Fusion weld method and assembly for forming a fusion welded joint between pipe sections |
| 02/28/1990 | EP0121533B1 Balloon catheter and process for the manufacture thereof |
| 02/28/1990 | CN1006970B Apparatus and method for production of ribbed pipes |
| 02/28/1990 | CN1006969B Method and apparatus for production of ribbed pipes |
| 02/27/1990 | US4903397 Process for producing a heating element |
| 02/22/1990 | WO1990001407A1 A method and apparatus for producing flexible tubes of any length |
| 02/22/1990 | WO1990001406A1 Method of making a catheter or tube |
| 02/13/1990 | US4900503 Method and apparatus for producing a finned tube from synthetic plastics material |
| 02/07/1990 | EP0353982A2 Apparatus for forming plastics coated tube |
| 01/30/1990 | CA1265029A1 Mineral fiber shell manufacturing process and device |
| 01/25/1990 | WO1990000696A1 Pressure-tube of vinylchloride plastic |
| 01/24/1990 | CN1039096A Corrugated pipe, method of forming corrugated pipe and apparatus for manufacturing same |
| 01/24/1990 | CN1006572B Methods and apparatus for fabricating inorganic fibre shell |
| 01/16/1990 | US4894521 Electric heating element for fusing thermoplastic materials |
| 01/16/1990 | US4893519 Handlebar grip |
| 01/11/1990 | WO1990000113A1 Production method of rubber tube and resin coating apparatus used therefor |
| 01/11/1990 | DE3921853A1 Verfahren zur herstellung eines verduennten rohres durch coextrusion und rohrziehform zu dessen durchfuehrung Process for the preparation of a diluted by coextrusion tube and pipe draw mold for its implementation |
| 01/10/1990 | EP0349914A2 Process for making tubular non-woven fabric articles |
| 01/10/1990 | EP0349778A2 A corrugated pipe, a method of forming the corrugated pipe and an apparatus for manufacturing the same |
| 01/02/1990 | US4891179 Method of consolidating composite articles |
| 12/28/1989 | DE3821015A1 Hose |
| 12/27/1989 | EP0347837A2 Plastic tubular article and mold and method for molding the same |
| 12/13/1989 | CN1006049B Method of continuously vulcanizing hoses |
| 12/05/1989 | CA1263593A1 Manufacture of filamentary composites |
| 11/28/1989 | US4883550 Method of manufacturing fiber-reinforced articles or plastics material |
| 11/28/1989 | CA1263423A1 Molded tapping fitting for connecting a branch line to a pipeline |
| 11/21/1989 | US4882101 Method of producing a reinforced rubber hose by using a plastic mandrel |
| 11/21/1989 | US4881576 Hose for transport of refrigerant fluids and fuel oils |
| 11/15/1989 | EP0341494A2 Process of manufacturing a branch pipe having a saddle piece |
| 11/15/1989 | CN1037138A Low energy fuse and method of manufacture |
| 11/08/1989 | EP0340657A1 Cylindrical package for pasty products, in particular a flexible tubular package, and method and apparatus for producing the same |
| 10/31/1989 | US4877472 Method of making a bearing blanket |
| 10/25/1989 | EP0215933B1 Process for the working of semi-finished products from cross-linked plastic materials |
| 10/24/1989 | CA1262444A1 Perfectionated device of helicoidal roll of cloth tape on top of plastic tubes for paint rollers |
| 10/18/1989 | EP0336989A1 Method of making thermoplastic hollow articles, especially bellows |
| 10/17/1989 | US4874646 Ultrafine tube and method for its production |
| 10/11/1989 | EP0336738A2 Manufacture of a circumferentially rigid flexible tube or an optical cable |
| 10/04/1989 | EP0335109A1 Method for making a heating element |
| 09/28/1989 | DE3809351A1 Pipe end mfr. with clamp recess - using fixture with cup made of antistick material |
| 09/26/1989 | US4869766 Method for manufacturing large diameter plastic pipe |
| 09/26/1989 | US4869573 Aerial optical cable and its method of manufacture |
| 09/26/1989 | US4869471 Length of hose made out of an elastic material that readily recovers its shape |
| 09/26/1989 | EP0274495A4 Method of and means for producing reinforced ribbed structures. |
| 09/21/1989 | WO1989008545A1 Manufacture of a tubular article |
| 09/20/1989 | EP0333532A1 Pipe made of composite materials having low sensibility for stretch changes due to internal pressure |
| 09/20/1989 | EP0333086A2 Process for injection-molding hollow articles made of polymeric material and items obtained with the process |
| 09/20/1989 | EP0333061A1 Method for producing a wound thermoplastic pipe |
| 09/19/1989 | US4867928 Apparatus and a method for the production of ribbed pipes |
| 09/19/1989 | US4867824 Tubes, curing polymers, impregnation fibers |
| 09/13/1989 | EP0331764A1 Implantable vascular grafts |
| 09/07/1989 | DE3806140A1 Production of corrugated plastic pipes |
| 09/05/1989 | US4863541 Apparatus and method for manufacturing heat-shrinkable sleeve using solid core |
| 08/30/1989 | CN1035077A Process and apparatus for manufacturing extrusions of thermoplastic materials |
| 08/29/1989 | CA1258758A1 Apparatus and method for producing multi-layered laminates and improved multilayer laminates produced therefrom |
| 08/24/1989 | WO1989007516A1 Process and device for producing pressings from thermoplastic material |
| 08/22/1989 | US4859380 Method and apparatus for producing fiber-reinforced rubber hose |
| 08/16/1989 | EP0328117A2 Processes for production of a Baloon for an intraocular lens |
| 08/16/1989 | EP0328096A1 Method and apparatus for the compression moulding of thermoplastic articles |
| 08/15/1989 | US4857371 Method of making an adhesive construction for articles and said articles |
| 08/15/1989 | US4856720 Helical winding apparatus |
| 08/09/1989 | EP0327219A2 Low energy fuse and method of manufacture |