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