Patents for B29L 23 - Tubular articles (4,866)
10/1987
10/27/1987US4702867 Method for continuously vulcanizing hoses
10/26/1987EP0233922A4 Two-material molding process and device.
10/22/1987WO1987006184A1 Methods and devices for fabricating and laying reinforcement armourings and curved elements reinforced with bars for elongate flexible bodies
10/21/1987CN87100836A Apparatus for molding thermoplastic pipes
10/20/1987US4701295 Stretch blow molding
10/20/1987US4701119 Apparatus for unwrapping and removal of rubber tubes
10/14/1987EP0240838A2 Apparatus for molding thermoplastic pipes
10/14/1987CN87102620A Method and extruder head for manufacturing extrusion products from melted plastic
10/14/1987CN87102576A Extrusion tubes of semicrystalline plastic and their process
10/08/1987WO1987005857A1 A method and an apparatus for the production of pipes
10/08/1987WO1987005856A1 Method and extruder head for manufacturing extrusion products from melted plastic
10/07/1987CN87102359A Process for cooling tubular sleeve of thermoplastic material and device for making use thereof
10/07/1987CN87101978A Method and apparatus for production of ribbed pipes
10/07/1987CN86108276A Extrusion die for externally ribbed plastic tubing
10/06/1987US4698196 Method and apparatus for extruding creaseless thin walled tubes
09/1987
09/30/1987EP0239496A1 Method of cooling a thermoplastic blown film and apparatus for carrying out the said method
09/30/1987EP0239248A2 Method of spin-welding
09/30/1987EP0239046A2 Extrusion die for externally ribbed plastic tubing
09/23/1987EP0237900A1 A method and an apparatus for the production of ribbed pipes
09/16/1987EP0236645A1 Apparatus for and method of extruding plastics tubes having multilayered walls
09/15/1987CA1226710A1 Apparatus for producing double-walled corrugated pipes
09/09/1987EP0235753A1 Manufacturing assembly and process for the production of an extruded tube provided with at least one optical fibre
09/02/1987EP0233922A1 Two-material molding process and device
09/01/1987US4690668 Method and apparatus for making a butt seam having a cover strip on a tube of multi-layer packaging material
08/1987
08/19/1987CN87100565A Plastic corrugated tube with integrally molded sleeve coupler
08/18/1987US4687690 Method of and means for forming and sealing helically wound tubes
08/18/1987US4687677 Method and a device for lining pipelines by means of a flexible hose containing a curable plastic
08/18/1987CA1225507A1 Cooling apparatus for air-cooling tubular plastic film
08/12/1987EP0231637A2 Process and apparatus for extruding tubular films
08/12/1987EP0231446A1 One-piece corrugated plastic pipe and sleeve
08/12/1987CN87100116A Apparatus and method for production of ribbed pipes
08/04/1987US4684428 Forming spiral groove in pad upper surface
08/04/1987CA1224932A1 Hose cooling system with cold gas recycle
07/1987
07/29/1987EP0230055A2 Extrusion die for manufacturing two-ply plastic tubing
07/29/1987CN86106613A Extrusion die for two-ply plastic tubing
07/21/1987US4681526 Apparatus for molding thermoplastic pipes
07/21/1987CA1224314A1 Extrusion die for two-ply plastic tubing
07/16/1987WO1987004113A1 Apparatus and method for the production of ribbed pipes
07/16/1987DE3622775A1 Anordnung und verfahren zur herstellung von rippenrohren Arrangement and method for the production of ribbed pipes
07/07/1987US4678417 Apparatus for cooling tubular plastic film extruded from a film blowing head
06/1987
06/30/1987US4677006 Heterogenous blends of incompatible polymers; moldings
06/30/1987CA1223412A1 Cooling apparatus for tubular plastics films extruded from a film blow head
06/24/1987EP0226094A2 Process for joining hollow profiled elements to thermoplastic parts
06/23/1987US4674969 Apparatus for making plastic tubes
06/02/1987US4670207 Method of bonding plastic pipes
05/1987
05/27/1987EP0223747A1 Apparatus for unwrapping and removal of rubber tubes
05/19/1987US4666650 Crosslinkable polyethylene
05/12/1987US4664284 Container of tubular form
04/1987
04/21/1987US4659531 Irregular structure
04/15/1987EP0218102A2 Process and apparatus for manufacturing a butt joint by using a covering tape on a tube made of a multilayered packaging web
04/08/1987EP0217189A1 lining and method of a lining pipe
03/1987
03/17/1987US4649962 Hollow tubular sheathing for sausages, and process of manufacture
03/17/1987US4649641 Connector fitting with an electrical heating wire
03/12/1987WO1987001329A1 Two-material molding process and device
03/03/1987US4647326 Method of manufacturing a shape from a composite material
02/1987
02/17/1987US4643788 Process for producing a tubular casing
02/17/1987CA1217905A1 Extrusion-fill method of producing an elastomeric spring
02/04/1987EP0210725A1 Seamless laminar article
02/03/1987CA1217531A1 Device for r.f. welding an iv tube to a catheter lumen
02/03/1987CA1217416A1 Lining of pipelines or passageways
01/1987
01/28/1987EP0209933A1 Device for the production of a tubular object and method for using said device.
01/14/1987EP0208004A1 Sterile docking process and apparatus for plastic tube portions or the like
01/14/1987CN86104565A Device for the production of a tubular object
12/1986
12/30/1986EP0205714A1 Method and apparatus for manufacturing insulating sleeves of mineral fibres
12/30/1986EP0205707A1 Method of continuously vulcanizing hoses
12/23/1986US4631163 Reshaping, thinning, orientation
12/17/1986CN85106852A Method of continuously vulcanizing hoses
12/10/1986CN85107293A Methods and apparatus for fabricating inorganic fibre shell
11/1986
11/26/1986CN86103618A Seamless laminar article
11/25/1986US4624823 Blown tubing method and apparatus
11/20/1986WO1986006679A1 Extruder mixer
11/18/1986US4623116 Apparatus for protecting a pre-formed projecting appendage during plastic molding
11/12/1986CN86103361A Extruder mixer
11/11/1986US4622086 Method of fabricating a hollow body
10/1986
10/29/1986EP0198904A1 Ultra-high-molecular-weight polyethylene products including vascular prosthesis devices and methods relating thereto and employing pseudo-gel states
10/14/1986CA1212529A1 Manufacture of filamentary composites
09/1986
09/23/1986US4613474 Procedure and relevant mechanical apparatus to obtain the folding section of a plastic drinking straw
09/02/1986US4609509 Process and apparatus for vulcanizing the insulation of an electric cable
09/02/1986CA1210556A1 Method for the production of a hose of a shape-cured elastomeric material such as vulcanized rubber especially an automotive radiator coolant hose
08/1986
08/12/1986US4605365 Blowing head for making tubular plastic films
08/06/1986EP0189918A2 Heat-fusion pipe fitting system
07/1986
07/22/1986US4602148 Thermoplastic fitting electric heat welding method and apparatus
07/22/1986US4601649 Cooling apparatus for tubular plastics film extruded from a film blow head
07/10/1986EP0173693A4 Method of and means for forming and sealing helically wound tubes.
07/02/1986EP0186168A2 Method of bonding plastic pipes
06/1986
06/03/1986CA1205265A1 Coextrusion feedblock for making lightweight, rigid thermoplastic pipe
05/1986
05/27/1986US4591323 Extruder and calibrating apparatus for making ribbed or grooved pipe
05/27/1986CA1204908A1 Method and device for producing a tubular object
05/09/1986WO1986002656A1 Ultra-high-molecular-weight polyethylene products including vascular prosthesis devices and methods relating thereto and employing pseudo-gel states
05/06/1986CA1203961A1 Twin-nozzle extrusion head
04/1986
04/22/1986US4584215 Incorporating ester in polymer composition
04/09/1986EP0177254A2 Method and apparatus for protecting a pre-formed projecting appendage during plastic molding
04/08/1986US4581085 Lining of pipelines or passageways
04/08/1986US4580968 Apparatus for producing a tubular object of polyethylene terephthalate or similar thermoplastic material from a tubular blank of material
03/1986
03/12/1986EP0174296A2 Manufacturing method for hollow articles
03/12/1986EP0173693A1 Method of and means for forming and sealing helically wound tubes
03/04/1986US4574173 Device for RF welding an IV tube to a catheter lumen
02/1986
02/26/1986EP0172395A1 Drinking straw with a variable length, and method and apparatus to manufacture it
02/19/1986EP0172098A1 Method of manufacturing an annular composite body reinforced with orthogonal fibres
02/18/1986US4571488 Heat-fusion pipe fitting system
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