Patents for B29L 23 - Tubular articles (4,866)
08/1995
08/29/1995US5445775 Blending a thermoplastic binder resins containing an ultraviolet stabilizer with vulcanized elastomer particles, extruding through a heated pipe die
08/24/1995DE4412907C1 Plastics delivery tube
08/23/1995EP0668145A1 Method and apparatus for producing a plastic pipe and a plastic pipe
08/23/1995EP0504343B1 Apparatus for everting a tube; method of using same; and method of inserting a lining tube
08/22/1995CA2143069A1 Method and apparatus for producing a plastic pipe and a plastic pipe
08/16/1995EP0667285A1 Device for heating the internal surface of the open end of plastic tubular containers
08/16/1995EP0666790A1 Process for manufacturing formed parts made of hot-formable plastics.
08/16/1995CA2142053A1 Device for heating the internal surface of the open end of plastic tubular containers
08/15/1995US5441588 Apparatus for producing a bell joint
08/10/1995WO1995021051A1 Process for producing corrugated multi-layer tubing having layers of differing plastic characteristics
08/08/1995US5439033 Method of lining a branch pipe
08/01/1995CA2065448C Sizing tool
07/1995
07/26/1995EP0664017A1 Electrically weldable thermoplastic joining element
07/26/1995CN1105743A Apparatus for bending plastic pipe
07/20/1995WO1995019522A1 Pipes for systems used in motor vehicles and process for producing the same
07/19/1995EP0663559A1 Electrically weldable element made of plastic
07/13/1995WO1995018714A1 A method and apparatus for producing a bell joint
07/12/1995EP0662391A2 Composite shaft structure and manufacture
07/12/1995EP0662387A2 Wrapping pipe for a bundle of hollow fibers, method and device for production thereof
07/12/1995EP0662385A1 Method for manufacturing a tube-like extrusion profile and a catheter made in accordance with this method
07/12/1995EP0662035A1 Elongated structural member and method and apparatus for making same
07/12/1995EP0521041B1 Pipeline and passageway lining materials
07/11/1995US5431762 Method for joining spirally wound thermoplastic pipes together
07/11/1995US5431619 Process and apparatus for forming an outwardly curled lip on cylindrical container body
07/04/1995US5429397 Room temperature polymerized and solidified norbornene-type resin
06/1995
06/29/1995WO1995017295A1 Apparatus for making annularly ribbed plastic pipe and method of making such pipe
06/28/1995EP0659535A2 Coolant hose
06/28/1995EP0544697B1 Method and device for winding one or more layers of strip material around a tubular element
06/07/1995CN1103474A Multilayer pipe and die for manufacturing it
06/06/1995US5421932 Film tube for packaging articles and method for forming the same
05/1995
05/31/1995EP0655312A1 Apparatus for producing pipes or hoses from thermoplastic material
05/17/1995EP0653297A2 Polyimide composite tube and method of manufacturing the same
05/16/1995CA2092641C Method and apparatus for the continuous manufacture of a compound pipe with a pipe socket
05/06/1995CA2135134A1 Method and a device for jointing at least two plastic elements in a liquid- and/or gastight manner
05/04/1995WO1995012087A1 Article and method for protecting substrates
05/04/1995CA2174776A1 Article and method for protecting substrates
05/03/1995EP0650819A1 A Method and a mould for forming an expansion, such as a socket, in a pipe, and a plastic pipe
05/03/1995CA2131928A1 A method and a mould for forming an expansion, such as a socket, in a pipe and a plastic pipe
05/02/1995US5411619 Method for manufacturing a joint pipe
04/1995
04/27/1995WO1995011124A1 Butt welding of pipes
04/26/1995EP0650006A1 Method of lining a branch pipe
04/26/1995EP0649727A2 Total containment welding of plastic tubes
04/25/1995US5409658 Method and apparatus for orienting substantially amorphous plastic material in a blank
04/23/1995CA2118426A1 Total containment welding of plastic tubes
04/19/1995EP0648158A1 Multi-cavity travelling mold tunnel for molding profiled pipe and mold block tunnels.
04/12/1995CN1028160C Mono axially stretched shaped article of poly tetra fluoroethylene
04/11/1995US5406055 Apparatus for expanding/shrinking articles
04/11/1995US5405665 Multi-layered foam heat-shrinkable tube
04/11/1995CA2051771C Method of injection blow molding synthetic resin bellows product
04/05/1995EP0646060A1 Laminate
04/04/1995US5403529 Method for forming composite synthetic resin material
04/04/1995US5403454 Heat-shrinkable tube
04/04/1995US5403106 Liquid applicator with axially spaced joints
03/1995
03/30/1995WO1995008854A1 Process for producing a molded piece as well as a molded piece made of plastic
03/30/1995WO1995008432A1 Quality assurance of electrically weldable joining elements
03/30/1995WO1995008431A1 Pipe coupling
03/29/1995EP0644826A1 Joining bodies of thermoplastic material
03/29/1995EP0644825A1 Vacuum advance system for high speed contact sealer for forming a flat film into a tube.
03/21/1995US5398974 Pipe connecting member
03/15/1995EP0642408A1 Apparatus for adjustment of the spacing of film drive assemblies in a tubular film forming device
03/15/1995EP0486502B1 Apparatus for manufacturing ribbed pipes
03/08/1995EP0641813A1 Process for production of high molecular polyesters weight
03/07/1995CA2131396A1 Process for preparing high-molecular-weight polyesters
03/02/1995DE4400811C1 Pipeline for systems in motor vehicles and production process
03/01/1995EP0640464A2 Method of manufacturing a branch pipe liner bag
03/01/1995EP0640463A1 Malleable mandrel for shaping flexible tubes or hoses
02/1995
02/23/1995WO1995005277A1 A thin-wall, seamless, porous polytetrafluoroethylene tube
02/16/1995WO1995004646A1 Process for making a tubular cladding hose
02/13/1995CA2103960A1 Malleable mandrel for setting tubes and pipes
02/08/1995EP0637737A1 Method of inspecting a pipe liner bag
02/07/1995CA2020612C Tape coating
02/07/1995CA2011321C Method for producing spiral pipes with rib and apparatus therefor
02/02/1995WO1995003162A1 A method of joining reinforced thermoplastic pipes
02/02/1995DE4338990A1 Apparatus for producing corrugated pipes from thermoplastic material
02/01/1995EP0636462A1 Device for manufacturing of corrugated tubes from thermoplastic material
02/01/1995CN1098033A Process and apparatus for forming an outwardly curled lip on cylindrical container body
01/1995
01/31/1995US5386101 Method and apparatus for welding tubular parts
01/31/1995US5385173 Pipe liner composition
01/26/1995WO1995002496A1 Elongated structural member and method and apparatus for making same
01/26/1995CA2144308A1 Elongated structural member and method and apparatus for making same
01/24/1995CA2053135C Method and apparatus for joining thermoplastic workpieces by high frequency vibrations
01/24/1995CA2021646C Apparatus and process for the production of tubular bodies
01/19/1995WO1995001861A1 Linings for pipelines and passageways
01/19/1995WO1995001860A1 Applying linings to pipelines and passageways
01/19/1995CA2166220A1 Linings for pipelines and passageways
01/19/1995CA2166219A1 Applying linings to pipelines and passageways
01/18/1995EP0633835A1 Elongate plastic member assembly and method and apparatus for making the same.
01/18/1995EP0572546A4 System and method for joining plastic materials.
01/12/1995WO1995001256A1 Electrical harnessing article
01/12/1995WO1995001255A1 Collapsible package
01/12/1995WO1995001251A1 Method and apparatus for forming a double walled thermoplastic tube with integral bells
12/1994
12/27/1994CA1333653C Method and device for joining together of tubular plastic products
12/21/1994EP0629493A1 A cured composite and a process for producing the cured composite
12/16/1994CA2125462A1 Cured composite, processes and composition
12/14/1994EP0627982A1 Process for manufacturing tubular bodies for packaging tubes
12/14/1994CN1096247A Method for welding pipe pieces made of thermoplastics
12/14/1994CN1096246A Electric heating smelting pipe joint making method
12/13/1994US5372774 Process of and apparatus for making plastic tubing
12/08/1994WO1994028344A1 Pipe liner composition
12/08/1994WO1994027728A1 Drip irrigation hose and method of manufacture
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