| Patents for B29D 23 - Producing tubular articles (6,162) |
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| 09/27/1994 | US5350139 Mandrel for making a rigid tubular article |
| 09/14/1994 | EP0615091A1 Heat weldable plastic pipe connection and method of manufacture |
| 09/14/1994 | EP0614751A1 Method and apparatus for producing fusible junction fittings having an electric heating wire in a wall thereof |
| 09/14/1994 | CN1092032A Squeezable tubular container and process for the production thereof |
| 09/13/1994 | CA2018554C Electro-welding sleeve fabrication method, device for implementing it and sleeves obtained by the method |
| 09/07/1994 | EP0613416A1 An ultrasonically welded plastic ribbon and apparatus and process for forming same |
| 09/07/1994 | CN2176374Y Rubber roller with flocks |
| 09/06/1994 | US5344511 Heat shrinkable plastic hose and method for manufacturing |
| 09/05/1994 | CA2116174A1 Method of and apparatus for manufacturing of shaped workpieces formed from a plastic material, and a workpiece manufactured by the method |
| 09/01/1994 | WO1994019638A1 Hose for refrigerating systems |
| 08/31/1994 | EP0612612A1 Storage and distribution tube for a water-containing product which may be perfumed or flavoured |
| 08/31/1994 | CN1091505A Inorganic compound material pressure pipe and forming technology |
| 08/25/1994 | DE4405235A1 Process and apparatus for forming ribs with lateral bulges on a plastics pipe, and a plastics pipe |
| 08/23/1994 | US5340299 Apparatus for manufacturing ribbed pipes |
| 08/18/1994 | WO1994017979A1 Process and device for manufacturing hoses with connection elements |
| 08/17/1994 | EP0611028A1 Method and apparatus for providing pieces of flexible material from a length thereof |
| 08/17/1994 | EP0610369A1 Method of manufacturing a labelling sleeve, and sleeve thereby obtained |
| 08/17/1994 | EP0610349A1 Heat shrinkable sleeve for connecting a pipe and cable. |
| 08/16/1994 | US5338920 Method of manufacturing and joining electro-fusion fitting |
| 08/16/1994 | US5338604 Fishing rod stock and method of manufacturing same |
| 08/11/1994 | DE4404099A1 Reinforced rubber hose |
| 08/10/1994 | EP0610103A1 Method for providing a composite tube with a socket, and socket so obtained |
| 08/10/1994 | EP0609904A1 Method of manufacturing a flexible tube |
| 08/09/1994 | US5335410 Method of making ultra small diameter catheters and of reinforced tubular product |
| 08/04/1994 | WO1994016959A1 Method for producing a tube having a wall containing over 60 % of a plastic material and having a body and a necked head, and resulting tube |
| 08/04/1994 | CA2153043A1 Method for producing a tube having a wall containing over 60 % of a plastic material and having a body and a necked head, and resulting tube |
| 08/02/1994 | US5333793 Drip irrigation hose with pressure compensation and method for its manufacture |
| 08/02/1994 | CA1331080C Method of producing an internally-smooth, externally ribbed tube from extrudable plasic and apparatus for carrying out the method |
| 07/26/1994 | CA1330859C Composite material |
| 07/19/1994 | US5330600 Method of modifying corrugated or ribbed pipe to have a smooth outer wall |
| 07/13/1994 | EP0606178A1 Method of producing a thread on an object, in particular for an object made from composite material and object thus obtained |
| 07/13/1994 | EP0606028A1 Sealed connection between a pipe and a pipe end and its method of manufacture |
| 07/13/1994 | EP0605767A1 Coextrusion apparatus and method with rotating cord guidance |
| 07/12/1994 | US5329063 Liner assembly for lining branch pipes and a method for manufacturing the liner assembly |
| 06/29/1994 | EP0603935A1 Process for producing an ethylene polymer composition, ethylene polymer composition and its use |
| 06/29/1994 | EP0476098B1 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 |
| 06/29/1994 | CN1088508A Gutta-percha fixing joint pipe and making method |
| 06/28/1994 | US5323702 Gapless tubular printing blanket |
| 06/23/1994 | WO1994013992A1 Pipe construction |
| 06/22/1994 | CN2169538Y Double side high pressure lining rubber tape structure |
| 06/22/1994 | CN1088156A Process of manufacturing high hydralic hose reinforced with aromatic polyamide fibre |
| 06/16/1994 | DE4242214A1 Production of thermoplastic e.g. tube with wound heating element - e.g. by injection moulding cylinder, opening mould and winding element round it, placing in another mould and injecting main tube round it |
| 06/14/1994 | US5320797 Method and apparatus for the continuous manufacture of a compound pipe with a pipe socket |
| 06/08/1994 | EP0473769B1 Device for manufacturing tubes |
| 05/31/1994 | US5316713 Forming tube of uncured rubber on mandrel, winding with film laminate of heat stabilzed oreinted nylon, curing, cooling, removing film |
| 05/26/1994 | WO1994011663A1 Self locking slitted corrugated tubing |
| 05/19/1994 | DE4336217A1 Thermoelectric welding zone for thermoplastic materials and associated component - has slit and recess cut into welding surface for insertion of heater wire and after closing swollen area around cut heater wire is activated to seal slit |
| 05/19/1994 | DE4238696A1 Fluid carrier pipe - has projections from inner layer embedded in thermoplastics material of the outer layer |
| 05/18/1994 | EP0597120A1 Tubular laminate and production thereof |
| 05/11/1994 | EP0595959A1 A method for forming and consolidating a fiber reinforced resin structure. |
| 05/10/1994 | US5309738 Yarn feeding system for high speed knitter |
| 05/05/1994 | DE4239909C1 Tubular plastic connector for flexible lines - comprises fibre reinforced first part with low creep, injected onto unreinforced second part |
| 05/04/1994 | EP0595475A1 Method and device for manufacturing a bent rubber pipe |
| 05/04/1994 | EP0595220A2 Squeezable tubular container and process for the production thereof |
| 05/03/1994 | US5307843 Extrusion of tubes of fiber-reinforced thermoplastics |
| 04/28/1994 | WO1994008772A1 Process for manufacturing formed parts made of hot-formable plastics |
| 04/27/1994 | CN1085920A Linear low density polyethylene fire retardant sleeve and its method for mfg. |
| 04/27/1994 | CA2109127A1 Squeezable tubular container and process for the production thereof |
| 04/26/1994 | US5306458 Process for manufacturing a plastic pipe |
| 04/20/1994 | EP0380686B1 Production method of rubber tube and resin coating apparatus used therefor |
| 04/19/1994 | US5304267 Method of making a gapless tubular printing blanket |
| 04/19/1994 | CA2028624C Apparatus and method for the in-line cropping and/or chamfering of a plastic tube |
| 04/12/1994 | US5301610 Method and apparatus for making spiral wound sleeves for printing cylinders and product thereof |
| 04/06/1994 | EP0590344A2 Method for treating the interior surface of a pipe or a tube |
| 04/06/1994 | CN1084945A Poly(vinylidene fluoride)-sheathed flexible metal pipe having improved bending |
| 03/31/1994 | WO1994006846A1 Melt-processable block copolyesterimide and method for manufacturing it |
| 03/31/1994 | CA2144989A1 Melt-processable block copolyesterimide and method for manufacturing it |
| 03/30/1994 | EP0589835A1 Thermoelectric welded joint of thermoplastic materials |
| 03/24/1994 | DE4241561A1 Mfr. of electrically weldable pipe connection parts of thermoplastics material - requires initially forming of flat sub-level wire bed base in given depth level |
| 03/22/1994 | US5296555 Rubber composition of strong adhesion to metal and hose structure using the same |
| 03/22/1994 | CA2002956C Electric heating element for fusing thermoplastic materials |
| 03/17/1994 | WO1994005485A1 Electric fusion welding of thermoplastic materials |
| 03/16/1994 | EP0587475A1 Flexible metal tube with enhanced bending and with a layer of polyvinylidene fluoride |
| 03/16/1994 | EP0539429B1 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 |
| 03/09/1994 | EP0586283A1 Connecting piece applicable for electric welding, with connecting terminals and method of manufacturing same |
| 03/08/1994 | US5292472 Coextrusion apparatus and method with rotating cord guidance |
| 03/08/1994 | US5292034 Method for the production of a tube with a multi-layer tube head and a tube made of a pipe element having at least one plastic layer and a multi-layer tube head |
| 03/03/1994 | WO1994004611A1 Hose composition |
| 03/03/1994 | CA2142601A1 Hose composition |
| 03/02/1994 | EP0584808A2 Collapsible tube and its head |
| 03/02/1994 | EP0584138A1 A method for manufacturing dental aspirators. |
| 03/02/1994 | CN1082984A Method to make golf rod with composite plastic material |
| 03/02/1994 | CN1082982A Method to make bike frame with composite tubular plastic material |
| 03/02/1994 | CN1023886C Method and equipment for making plastic spiral pipe |
| 02/27/1994 | CA2076931A1 Rubber tube manufacture with film laminate overwrap |
| 02/16/1994 | EP0434791B1 Composite plastic pipe |
| 02/16/1994 | CN1023775C Inner tube of tyre and its preparation |
| 02/02/1994 | EP0581208A1 Device for manufacturing a metal-plastic composite tube |
| 02/02/1994 | EP0580984A1 Apparatus for producing a corrugated plastic pipe |
| 01/18/1994 | US5279332 Flexible hose construction having a passage therethrough defined by at least one rib therein and method of making the same |
| 01/13/1994 | DE4221354A1 Prodn. of high bursting strength plastic tube - by extruding material into revolving barrel contg. centre core to form spiral, cooling in situ opening barrel end and expressing product |
| 01/05/1994 | EP0577409A1 Pipe-like fiber-reinforced plastic structural material and method of manufacturing the same |
| 01/05/1994 | EP0576614A1 Apparatus and method for constraining a rotating tube of material |
| 01/05/1994 | DE4220901A1 Composite site tube mfr. - by pressurising preform between inner and outer tubes with different expansion characteristics when heated |
| 12/29/1993 | EP0575542A1 Apparatus and method for producing an elongate strip of material. |
| 12/28/1993 | US5273603 Filament winding using different size mandrels and angles |
| 12/23/1993 | WO1993025884A1 Plastic high vacuum piping components |
| 12/23/1993 | WO1993025374A1 Segmented polymer energy absorption device and method of making same |
| 12/23/1993 | CA2137073A1 Method of making a segmented polymer energy absorption system |
| 12/22/1993 | EP0574780A1 Technique for manufacturing hose |