| Patents for B29D 23 - Producing tubular articles (6,162) |
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| 08/08/1989 | US4855574 Welding sleeve with connecting means having an upper and lower part |
| 08/08/1989 | US4854988 Process for the production of a fiber-reinforced synthetic resin container |
| 07/25/1989 | US4851647 Process for welding butt-jointed plastic tubes and welding device for performing the process |
| 07/19/1989 | EP0324630A2 Composite material |
| 07/19/1989 | EP0179053B1 Method of making double walled, tubular, thermal protective cove rings |
| 07/18/1989 | US4849150 Method of manufacturing fiber-reinforced resin pipe |
| 07/18/1989 | US4848718 Apparatus for molding heat weldable pipe fittings |
| 07/13/1989 | DE3744530A1 Apparatus for producing perforated drainpipes |
| 07/12/1989 | EP0323879A1 Hose pipe |
| 07/11/1989 | EP0203106A4 Layered fabric. |
| 07/05/1989 | EP0322662A1 Shower hose and process for its manufacture |
| 06/20/1989 | US4840826 Fiber reinforced plastic solid or hollow molded article |
| 06/06/1989 | US4836877 Method of making a tire retreading envelope |
| 06/06/1989 | CA1255241A1 Dimensionally stable thermoplastic tubular articles |
| 06/01/1989 | WO1989004757A1 The improved method of creating inflatable products |
| 05/31/1989 | EP0317861A2 Method and apparatus for making profiled hollow elements of fibre reinforced plastic |
| 05/30/1989 | US4834638 Apparatus for molding a head end an a tubular container |
| 05/16/1989 | US4830808 Process for manufacturing shells of mineral fibers |
| 05/16/1989 | US4830694 Method of manufacturing pressure withstanding pipe |
| 05/10/1989 | EP0315506A1 Process and apparatus for making tubular articles from at least one strip of flexible material, and tubular articles obtained thereby |
| 05/10/1989 | EP0315012A2 Method for manufacturing a tube with a smooth inside and a ribbed outside from an extrudable material and apparatus for carrying out this method |
| 05/10/1989 | EP0148834B1 Method and apparatus for making braided reinforced hose |
| 05/02/1989 | US4825534 Method of manufacturing heat-weldable thermoplastic fittings |
| 04/19/1989 | EP0311837A1 Hollow profile, especially a pipe made of long-fibre-reinforced plastic, and method of manufacturing such a profile |
| 04/18/1989 | US4821551 Method of manufacturing corrugate tube and molding apparatus thereof |
| 04/18/1989 | US4821447 Fishing rod and method of manufacturing same |
| 04/12/1989 | EP0311400A2 Process and equipment for making composite tubes |
| 04/11/1989 | US4820561 Recoverable article for encapsulation |
| 04/11/1989 | US4820270 Balloon catheter and process for the manufacture thereof |
| 04/05/1989 | EP0310499A1 Method and device for the production of a corrugated fibre structure for use as a reinforcing structure for a composite material part |
| 03/28/1989 | US4815383 Low cost composite missile structure |
| 03/23/1989 | WO1989002361A1 A method and a mould for making a tubular body of fiber reinforced plastic material |
| 03/23/1989 | DE3829665A1 Process for producing a T-shaped hose |
| 03/21/1989 | US4814071 Flexible connector for screening machine |
| 03/15/1989 | EP0307198A2 Conductive polymeric article |
| 03/09/1989 | DE3729057A1 Process for producing a branch of shaped rubber tubes and branch produced according to the process |
| 03/08/1989 | EP0305786A2 Method of manufacturing a rubber hose junction, and junction manufactured by this method |
| 02/22/1989 | EP0303909A2 Method of manufacturing an electrofusion coupler |
| 02/21/1989 | US4806401 Duplex cured elastomer hoses and method of manufacture |
| 02/21/1989 | US4806181 Method for moulding a thermoplastics member with a fusion pad |
| 02/15/1989 | EP0302922A1 Device for the continuous manufacture by extrusion of a tube provided with spiral threads. |
| 02/15/1989 | CN1031047A Process and apparatus for manufacturing ribbed tube of plastics |
| 02/14/1989 | US4804019 End adaptor for flexible corrugated tube |
| 02/14/1989 | CA1249918A1 Heat recoverable article |
| 02/09/1989 | WO1989000917A1 A fibre reinforced tube element and a method for its manufacture |
| 02/07/1989 | US4803103 Recoverable article |
| 02/07/1989 | US4802510 High-pressure hose and a process for its production |
| 02/01/1989 | EP0301189A2 Method and apparatus for manufacturing a ribbed plastic pipe |
| 01/25/1989 | EP0300980A2 Handlebar grip |
| 01/17/1989 | US4797993 Method of making electroweldable sockets |
| 01/17/1989 | CA1248729A2 Electric fusion welding of thermoplastic |
| 01/10/1989 | US4796672 Pressure-withstanding pipe |
| 01/10/1989 | CA1248464A1 Formable and curve shape retentive hose and method for making |
| 01/03/1989 | US4795509 Indicator for dimensionally-recoverable sleeves |
| 01/03/1989 | CA1247998A1 Flexible hose and method of making same |
| 12/28/1988 | EP0296890A2 Hoses |
| 12/28/1988 | EP0207938B1 Method and apparatus for producing fiber-reinforced plastics bodies |
| 12/15/1988 | DE3726910A1 Method of producing products with endless surfaces, without edges, to form envelopes |
| 12/13/1988 | US4790900 Apparatus for producing a fiber winding of varying width |
| 12/07/1988 | EP0294008A2 An induction weldable socket and a process and apparatus for manufacturing such a socket and a process for connecting said socket to a penetrating pipe part |
| 11/23/1988 | EP0292462A2 Car with a removable cover |
| 11/22/1988 | CA1245168A1 Hose construction |
| 11/22/1988 | CA1245096A1 Process for production of a tubular sheathing section gathered into a bellows-like hollow member for processing, especially as a peel-skin for the production of small sausages, as well as the hollow members which are produced |
| 11/16/1988 | CN88102551A Process and apparatus for manufacturing plastic molding products reinforced with glass fibres |
| 11/09/1988 | EP0289781A1 Method of manufacturing fibre-reinforced plastic articles |
| 11/08/1988 | US4783303 Method of processing semifinished products made of cross-linked plastic material |
| 11/03/1988 | WO1988006089A3 Device for the continuous manufacture by extrusion of a tube provided with spiral threads |
| 11/02/1988 | EP0289369A1 Process for making a flexible pipe with marking and/or fixing means |
| 10/27/1988 | DE3712356A1 Thermoplastic band for covering a joint of plastic pipes |
| 10/25/1988 | US4780163 Forming closures, pushing or pulling liner, contacting, fusion, insulation, and welding; sliplining |
| 10/19/1988 | EP0286912A1 Apparatus and method for permanently joining screw conveyor modules |
| 10/19/1988 | EP0286718A2 Thermoplastic band for covering a welding zone and method for its fabrication |
| 10/19/1988 | EP0058175B1 Electric fusion pipe fittings |
| 10/13/1988 | DE3712355A1 Thermoplastic band for covering a joint and process for the production thereof |
| 09/28/1988 | EP0284296A2 Flexible connector for screening machine |
| 09/28/1988 | EP0283478A1 Polyethylene pipe with integrated heating resistance for connection by electric welding |
| 09/27/1988 | CA1242399A1 Fusion pad |
| 09/20/1988 | US4772438 Lamination of prepreg impregnated with thermosetting resin around mandrel; pulling through hot die; gelation, curing, squeezing and shaping |
| 09/20/1988 | US4772352 Apparatus for making crisscross-wound layers to form wound bodies |
| 09/07/1988 | EP0281016A2 Multiple-chuck machine for making tubes |
| 09/06/1988 | US4768323 Composite tubular element intended to form a structural part, process for manufacturing it and device for carrying out the process |
| 08/31/1988 | EP0280066A2 Apparatus and method for producing a multi-layered article such as a parison e.g. for making a blowmoulded container |
| 08/30/1988 | US4767490 Apparatus and method for permanently joining screw conveyor modules |
| 08/25/1988 | WO1988006089A2 Device for the continuous manufacture by extrusion of a tube provided with spiral threads |
| 08/24/1988 | EP0279024A2 Method for the continuous manufacture of a flexible heat-insulating tube |
| 08/24/1988 | CN88100633A Method and apparatus for making welded joint made of plastic |
| 08/23/1988 | CA1240878A1 Method and apparatus for compacting shirred casing |
| 08/17/1988 | EP0278768A2 Electric fusion welding of thermoplastic materials |
| 08/17/1988 | EP0278553A1 Welding sleeve made of thermoplastic and method for forming a welding sleeve of this type |
| 08/16/1988 | US4764324 Method of making a catheter |
| 08/09/1988 | US4763164 Image forming apparatus |
| 08/09/1988 | US4762589 Method of making a tubular rubber product having a polyamide or polyester resin layer |
| 08/02/1988 | US4761193 Recoverable article for encapsulation |
| 07/27/1988 | EP0276169A2 Transverse tape winding method and apparatus therefor |
| 07/26/1988 | US4759814 Applying first covering, expanding and applying second covering, repeating expansion and covering |
| 07/20/1988 | EP0274495A1 Method of and means for producing reinforced ribbed structures. |
| 07/19/1988 | US4758392 Method of spin-welding |
| 07/06/1988 | EP0273224A1 Method of making a hollow pressure vessel around an elongate substrate |
| 07/06/1988 | EP0156836B1 Extruder assembly |
| 06/29/1988 | EP0272783A2 Consolidating tubular composites |