| Patents for B29D 23 - Producing tubular articles (6,162) |
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| 04/28/1992 | US5108135 Fiber reinforced plastic pipe tee |
| 04/21/1992 | US5107098 Profiled sheathed wire for forming into an electric resistance welding insert |
| 04/21/1992 | US5106443 Process for the 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 |
| 04/07/1992 | CA1298450C Suction applying molded blocks in pipe forming apparatus |
| 04/01/1992 | EP0478249A2 Low permeability rubber hose |
| 03/31/1992 | US5099888 Impact protected, sealed, double-walled pipe body |
| 03/25/1992 | EP0476098A1 Process for manufacturing a tube with a multilayer tube head and tube consisting of a pipe body made of at least one layer of plastic and a multilayer tube head. |
| 03/24/1992 | CA1297650C Method of producing a reinforced rubber hose by using a plastic mandrel |
| 03/18/1992 | EP0475126A2 Method of forming a headed thermoplastic tube |
| 03/17/1992 | US5096646 Process for producing rubber tube and resin coating device used therein |
| 03/17/1992 | US5096632 Method of manufacturing an electrofusion coupler |
| 03/11/1992 | EP0474449A2 Improvements in plastic tubing |
| 03/11/1992 | EP0473769A1 Device for manufacturing tubes. |
| 03/11/1992 | EP0473727A1 Longitudinally compliant vascular graft. |
| 03/05/1992 | DE4128584A1 Fishing rod with end grip - has moulded one-piece grip handle and cast in upper ring swivel |
| 03/04/1992 | EP0473005A2 Apparatus for producing a strip of sealing varnish on a tube |
| 03/03/1992 | US5092366 Air pipe for a lighting fixture for a vehicle |
| 02/25/1992 | US5091121 Production of a balloon for an intraocular lens |
| 02/25/1992 | CA1296268C Length of hose made out of an elastic material that readily recovers its shape and method of manufacturing it |
| 02/18/1992 | US5089074 Inner corrugated hose, sleeve of reinforcing material |
| 02/11/1992 | US5087493 Dust protector |
| 02/11/1992 | US5087235 Method for making a collapsible bag with spout |
| 02/06/1992 | WO1992001885A1 Composite pipe with one or more layers of strip material wound around an inner pipe and reel provided with such a composite pipe wound onto it |
| 01/29/1992 | EP0468417A2 Phenylene sulfide/biphenylene sulfide copolymer pipe |
| 01/22/1992 | EP0467309A1 Joint sleeve and tube fitting |
| 01/21/1992 | US5082614 Method for producing a composite pipe in a rotating drum |
| 01/14/1992 | US5080943 Tubing |
| 01/14/1992 | US5080740 Heat resistance, pot life |
| 01/14/1992 | CA1294228C Hoses |
| 01/09/1992 | WO1992000481A1 Flexible tubular pipe comprising a folded-seam armouring web, and method for producing same |
| 01/08/1992 | EP0464411A1 Apparatus for the manufacture of plastic pipes |
| 01/08/1992 | EP0464202A1 Pressure vessel made of composite material |
| 01/08/1992 | EP0464121A1 Improvements relating to the lining of pipelines or passageways. |
| 01/07/1992 | US5079056 Smoothness, corrosion resistant joint |
| 12/31/1991 | US5077108 Rubber-fiber laminate and hose using the same |
| 12/31/1991 | US5077103 Refractory solid-state heat pipes and heat shields |
| 12/31/1991 | US5075952 Method of cladding pitched cable |
| 12/26/1991 | WO1991019924A1 Flexible tubular duct comprising a cross-linked polyethylene sleeve, and device and method for manufacturing same |
| 12/24/1991 | CA1293525C End connectors for filament wound tubes |
| 12/24/1991 | CA1293348C Process, machine and mold for making containers from injected material, and having an outer film like skin |
| 12/18/1991 | EP0190147B1 Compositions, porous irrigation pipe and method |
| 12/12/1991 | WO1991018750A1 Fluid dispenser |
| 12/10/1991 | US5071687 Winding prepreg of fiber reinforced sheet around form |
| 12/10/1991 | US5071506 Equipment for making composite tubes including an inflatable heated bladder and a composite mold having a negative coefficient of thermal expansion |
| 12/04/1991 | EP0459907A1 Method for manufacturing thin-walled tubes of fluorinated resin, particularly polytetrafluoroethylene |
| 12/03/1991 | US5069856 Method of forming a headed thermoplastic tube |
| 11/28/1991 | WO1991015350A3 Process for manufacturing a tube with a multilayer tube head and tube consisting of a pipe body made of at least one layer of plastic and a multilayer tube head |
| 11/28/1991 | WO1991015349A3 Device for manufacturing tubes |
| 11/26/1991 | US5068137 Rubbery laminate and composite hose |
| 11/21/1991 | EP0457561A2 Method and apparatus for making a laminated tubular body |
| 11/21/1991 | EP0456823A1 Vinyl chloride resin composition |
| 11/13/1991 | EP0456532A1 Bale-type device for applying a liquid or pasty product and process for manufacturing said device |
| 11/07/1991 | DE4014400A1 Prodn. of FRP connecting flange - making continuous bias-wound tubing from rovings, cutting to length, drawing over core in mould, injecting resin into mould and curing |
| 11/06/1991 | EP0455357A1 Method of applying an internal coating to pipe and the product made thereby |
| 10/31/1991 | CA2038683A1 Method of applying a polyolefin coating to pipe and the product made thereby |
| 10/30/1991 | EP0454377A1 Method of shaping and bonding sheets of plastic material |
| 10/23/1991 | EP0453208A2 Incising tools and methods of their use |
| 10/23/1991 | EP0453053A2 Composite material |
| 10/17/1991 | WO1991015350A2 Process for manufacturing a tube with a multilayer tube head and tube consisting of a pipe body made of at least one layer of plastic and a multilayer tube head |
| 10/17/1991 | WO1991015349A2 Device for manufacturing tubes |
| 10/08/1991 | US5055244 Process and apparatus for the production of thin wall tubes from rubber - and/or plastic mixtures |
| 10/08/1991 | CA1290231C System for the production of rubber tubes |
| 10/02/1991 | EP0449779A2 Process and device for production of a hollow object |
| 10/02/1991 | DE4009656A1 Forming collapsible laminar plastic tube - moulding e.g. three-ply top on to suitable plastic tube and forming final shape in additional stages once each stage has stabilised |
| 09/25/1991 | EP0448256A2 Apparatus making thin laminate structures and forming the structures into lightweight, thin-walled tubes |
| 09/19/1991 | DE4025141C1 Mfg. T=shaped rubber branch tube with insert - involves reinforcing tubular section with widened end onto lower end of branch tube to provide leak resistant part |
| 09/18/1991 | EP0446700A2 Method for producing hose having low permeability |
| 09/18/1991 | EP0446314A1 Welding muff and process for manufacturing it |
| 09/18/1991 | CN1054559A Plastic spiral pipe making method and equipment |
| 09/10/1991 | US5047277 Nested honeycomb structures and production method |
| 09/10/1991 | US5047200 Method of making a fire hose |
| 09/04/1991 | EP0444627A1 Aircraft fuselage structure and method of fabricating the same |
| 08/27/1991 | US5042138 Method and apparatus for manufacturing a corrugated pipe |
| 08/21/1991 | EP0302922B1 Device for the continuous manufacture by extrusion of a tube provided with spiral threads |
| 08/15/1991 | CA2036357A1 Collapsing mandrel apparatus for manufacturing plastic couplings |
| 08/13/1991 | US5039466 Method and apparatus for manufacturing plastic couplings |
| 08/08/1991 | WO1991011319A1 Pressure vessel made of composite material |
| 08/07/1991 | EP0439898A2 Method of producing a pre-coat conduit |
| 08/07/1991 | EP0439860A2 Hose coated with high molecular weight polyethylene and process for the production thereof |
| 08/07/1991 | CN1053577A Fluoroplastics bellows, its manufacture, products using these bellows and special moulds |
| 08/06/1991 | US5037887 Crosslinkable composition |
| 08/06/1991 | US5037600 Method of applying a polyolefin coating to pipe |
| 07/31/1991 | EP0438745A1 Flexible corrosion-resistant conduit and method |
| 07/30/1991 | US5035710 Balloon for an intraocular lens and processes for its production |
| 07/30/1991 | CA2025134A1 Method of producing a pre-coat conduit |
| 07/25/1991 | WO1991011012A1 Flexible synthetic plastic conduit |
| 07/23/1991 | CA1286582C Method and apparatus for forming corrugated materials using magnetic memory cores |
| 07/17/1991 | EP0436552A1 A method and apparatus for producing flexible tubes of any length |
| 07/11/1991 | DE4000228A1 Patch for repairing synthetic rubber - consists of uncured raw rubber like material to be repaired, kept between protective films until used, and applied hot with rubber soln. |
| 07/10/1991 | EP0436087A2 Joint surrounded by a joining compound and manufacturing method |
| 07/10/1991 | EP0436033A1 Composite tubular article and its production method |
| 07/03/1991 | EP0435588A2 Air intake duct and method for making same |
| 07/03/1991 | EP0434791A1 Composite plastic pipe. |
| 07/03/1991 | EP0434755A1 Extruded biaxially stretched foam plastic pipe and procedure for the manufacture thereof |
| 07/03/1991 | EP0434740A1 Extruded radially stretched plastic pipe and procedure for manufacturing such a pipe |
| 06/30/1991 | CA2033285A1 Hose coated with high molecular weight polyethylene and process for the production thereof |
| 06/27/1991 | WO1991009085A1 Vinyl chloride resin composition |
| 06/27/1991 | DE3942308A1 Thermoplastic engine intake pipes etc. - produced by injection moulding e.g. straight pipes for easy demoulding and then hot forming them into bends required |
| 06/20/1991 | WO1991008891A1 A lubricating arrangement for plastic extruders |
| 06/20/1991 | CA2070175A1 Lubricating arrangement for plastic extruders |