Patents for B29L 23 - Tubular articles (4,866)
04/1983
04/06/1983EP0075809A1 Device for the production of tubes of plastics material
12/1982
12/28/1982CA1138171A1 Mandrel assembly for vulcanizing a vent tube with the bore of a filler neck hose having a complex multi-curved configuration
12/01/1982EP0065729A1 Device for the production of plastics pipes with transverse grooves
11/1982
11/17/1982EP0064772A2 Apparatus for injecting air or gas into a blower film bubble
11/09/1982US4358491 Process for producing a hollow vessel having a frosted glass-like surface
10/1982
10/19/1982US4354495 Method of connecting plastic tube to a plastic part
09/1982
09/28/1982US4351785 Method of controlling the film thickness at a blown film extruder installation
09/07/1982US4348438 Process for preparation of improved shrink wrap
08/1982
08/25/1982EP0058245A1 Method of and apparatus for the continuous production of endless deformable pipes from laminated film tape
07/1982
07/27/1982CA1128265A1 Apparatus for the manufacture of transversely contoured tubing from thermoplastic material
07/13/1982US4339403 Method of controlling the film thickness at a blown film extruder installation
07/07/1982EP0055510A1 Process for preparation of heat-shrinkable wrapping of ethylene polymers
05/1982
05/26/1982EP0052490A2 Thermoplastics articles and method and apparatus for making them
05/19/1982EP0052017A1 Channelled plastic pipe with channel ends closed and method of producing the same
05/12/1982EP0051479A2 Method of connecting plastic tube to a plastic member
05/11/1982CA1123329A1 Method and an arrangement for the manufacture of casings
03/1982
03/24/1982EP0048112A1 A die assembly for forming thermoplastic tubing
03/10/1982EP0046789A1 Coextrusion die.
02/1982
02/23/1982CA1118569A1 Method and means for manufacturing reticulated thermoplastic materials
02/23/1982CA1118564A1 Process for producing a hollow vessel having a frosted glass-like surface
02/17/1982EP0045764A1 Method for interconnecting pipes.
02/02/1982CA1117264A1 Plastic tube with plural lumens and method of making same
12/1981
12/15/1981US4305703 Composite die assembly for use in the production of thermoplastic tubing
10/1981
10/20/1981US4295917 Winding of fibres
10/06/1981CA1110216A1 Winding of fibres
09/1981
09/03/1981WO1981002406A1 Coextrusion die
09/03/1981WO1981002405A1 Method for interconnecting pipes
09/01/1981US4287223 And extruding a reinforcing strip of the thermoplastic above the seam while heating
08/1981
08/18/1981US4284448 Heat shrinkage around forming tool, joining ends
07/1981
07/21/1981US4279857 Method for controlling wall thickness in extruded tubular synthetic-resin blank
06/1981
06/02/1981CA1102078A1 Apparatus for manufacturing an article
05/1981
05/20/1981EP0028624A1 Method of fastening irremovably a lid-like member.
05/05/1981CA1100398A1 Process and apparatus for the production of a pipe- shaped hollow body especially of container tubes from a multilayer composite sheet material
03/1981
03/31/1981US4259137 Jacketing steel pipes by means of wrapping a ribbon helically around the pipes
02/1981
02/17/1981CA1095681A1 Continuous curing method for longitudinally extended products and a device for the application of this method
11/1980
11/27/1980WO1980002529A1 Securing device
08/1980
08/19/1980CA1083765A1 Apparatus for producing thermoplastic tubing
07/1980
07/23/1980EP0000734B1 Method for making rods or tubes having a constant profile of fibre reinforced material
07/15/1980US4212695 Method of reinforcing flattened tubular film with tape layers
07/15/1980US4212618 Apparatus for the manufacture of transversely contoured tubing from thermoplastic material
04/1980
04/29/1980US4200482 Process and apparatus for the production of a pipe-shaped hollow body, especially of container tubes from a multilayer composite sheet material
04/22/1980US4199314 Apparatus for producing thermoplastic tubing
04/22/1980CA1075871A1 Continuous curing device for longitudinally extended products
02/1980
02/06/1980EP0007556A1 Apparatus for producing transversely grooved thermoplastic tubes
01/1980
01/08/1980US4182601 Extrusion apparatus
10/1979
10/16/1979US4171118 Mandrel assembly for vulcanizing a vent tube within the bore of a filler neck hose having a complex multi-curved configuration
09/1979
09/18/1979CA1062593A1 Method and apparatus for making reinforced hose
07/1979
07/10/1979CA1057925A1 Apparatus for forming plastic tubes using continuous chains of half-dies
05/1979
05/01/1979US4152566 Apparatus for manufacturing an article
05/01/1979CA1053427A1 Device for producing gilled pipes of plastic or some other material
02/1979
02/21/1979EP0000734A1 Method for making rods or tubes having a constant profile of fibre reinforced material
02/06/1979US4138457 Method of making a plastic tube with plural lumens
10/1978
10/10/1978CA1040117A1 Hose reinforced with discontinuous fibers oriented in the radial direction
09/1978
09/19/1978US4115505 Thermoplastics, injection molding
05/1978
05/02/1978US4087504 Thermoplastic cooling method
11/1977
11/08/1977US4057610 Hose reinforced with discontinuous fibers oriented in the radial direction
10/1977
10/11/1977US4053343 Thermosetting resin, curing
07/1977
07/12/1977US4035129 Continuous curing device for longitudinally extended products
05/1977
05/03/1977US4021173 Apparatus for the continuous manufacture of foamed hollow profiles
02/1977
02/15/1977US4008022 Thermoplastic tube seal and cooling means
02/08/1977US4006599 Plastic drain pipe and apparatus for producing the same
12/1976
12/28/1976US3999925 Extruder for corrugated tube
12/21/1976US3998579 Device for producing externally ribbed pipes of plastic
12/07/1976US3996323 Extrusion, pressurization
08/1976
08/24/1976US3976414 Apparatus for the production of double-walled synthetic plastic tubes having a transversely corrugated outer wall and a smooth inner wall
08/03/1976US3972761 Wrapping of pipes or tubes
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