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Patent Searching and Data


Matches 651 - 700 out of 6,810

Document Document Title
WO/1981/002133A1
Apparatus (10) for preparing a tubular parison, which is continuously extruded in an extrusion direction from an extrusion head (30), and for subsequently transferring the parison to a blow molding machine (12). The apparatus (10) provid...  
WO/1981/001679A1
A blow molding machine of the type for blow molding large articles such as containers of the one gallon to five gallon size from a parison in the form of an extruded plastic material tube. The machine (30) is of the rotary type and has a...  
WO/1981/000823A1
An assembly for extruding circular, cylindrical plastic piping, comprising an extruder (1, 2) with a feed screw (1) for transporting and softening the mass (9), and an annular nozzle with a central mandrel (4) which constitutes a circula...  
WO/1981/000079A1
Apparatus and method for heat tacking of elongate material or cables (32) to a tire carcass (15) on both peripheral sides of a core opening (20), spreading the elongate material or cables (32) lying over the core opening (20) so as to po...  
WO/1980/002189A1
The pipe for the transport of warm or hot fluids comprises an inner tubing (1) forming the transport pipe, an external protective tubing (4) and a heat insulating layer (3) disposed in between. The internal tubing (1) is made of a synthe...  
WO/1980/001196A1
Foldable arched conduit (A) suitable for use as drain tubing, culverts and the like. The conduit has the cross section of a parabolic arch with a flat base (D). The arched portion of the conduit comprises a pair of rigid corrugated plast...  
WO/1980/000550A1
A thick-walled, seamless, rigid non-porous conduit (Y) having a substantially uniform wall thikkness which is not less than about 0.5 percent of the outside diameter consisting essentially of an oriented crystalline thermoplastic polymer...  
WO/1980/000326A1
To obtain a hollow body cast in one piece (R) by a blowing method in a parison mould (PA) of thermoplastic material, provided with an additional piece (PG) fixed onto one of its continuous walls, such piece (PG) is maintained spaced from...  
WO/1979/001140A1
Two securing members (25, 35) are formed on a body (1), receiving a winding, which cooperate with two securing bodies (26, 36) to fix the wire (10) in position while it is wound or cut. To cut the wire (10), a cutting device (45) provide...  
WO/1979/001018A1
A body sleeve (4) obtained by widening of a pipe is arranged on a mandrel on which spaced spirals (7) of a resistance wire (6) are wound. By heating the body sleeve (4), it is fixed onto the winding. An electric current circulating in th...  
WO/1979/000752A1
Bearing tube for a marine propeller shaft and a method of making such a tube according to which polyacrylonitrile or other fibres (8) carrying a sticky resin (7) are wound onto a mandrel (5) and, at least at the bearing lining, wear resi...  
WO/1979/000079A1
Blank for pipe manufacture, intended to be wound helically so that a joint is formed between adjacent turns in the helically wound blank thereby, that a portion on the lateral edge (11) of the blank in a turn is fitted into a portion of ...  
JP7131338B2
Provided is a method for manufacturing a bent resin pipe with which the pressure resistance of a desired inner bent portion of the bent resin pipe manufactured by resin injection molding using an assisting material is reliably improved. ...  
JP7131339B2
Provided is a method for manufacturing a bent resin pipe with which the pressure resistance of a desired inner bent portion of the bent resin pipe manufactured by resin injection molding using an assisting material is reliably improved. ...  
JP2022129451A
A carbon-based heat-resistant pipe excellent in heat resistance, corrosion resistance, and chemical stability is provided. A carbon-based heat-resistant pipe includes a pipe base material 1 and a heat-resistant protective layer 2 coverin...  
JP2022127983A
[PROBLEMS] To provide a composite tube capable of suppressing abnormal noise caused by sudden changes in the pressure, flow rate, and temperature of a fluid passing through a resin flexible tube and improving heat retention. [Solution] A...  
JP2022110769A
An object of the present invention is to suppress a decrease in manufacturing efficiency. A coated pipe manufacturing apparatus includes a first slider (19), a second slider (18), a drum (12), an air supply device (10), and a vacuum devi...  
JP2022107629A
To provide a tube exhibiting high strength and / or controlled heat shrinkage characteristics. A method for preparing an oriented polymer tube, such as a biodegradable polymer tube suitable for use in vivo, is provided herein. The disclo...  
JP2022085460A
To provide a soft tube having an uneven shape on an outer peripheral surface used as a sheet transport member, a soft tube in which uneven scraping during manufacturing is suppressed, a manufacturing method thereof, and a sheet using the...  
JP7024959B2
To provide a fiber reinforced resin tubular body of which reinforced fiber forming a flexure planned area is hardly broken and the flexure planned area is hardly buckled when flexure processing is conducted at a state that a resin at the...  
JP7010730B2
To provide a structure manufacturing method capable of forming a plurality of partition walls inside a structure having a closed cross-section frame structure without complicating a process, and a structure manufactured thereby.In a stru...  
JP2022507194A
To provide a packaging tube having high mechanical stability and the highest printing quality because a welded seam portion between longitudinal edges of the same substrate after being transformed from a printing film substrate to a tubu...  
JP6993768B2
To improve a practical heat resistance of a corrugate tube for a general-purpose resin which is used conventionally.Piles are implanted onto a whole surface of a corrugate tube over the full length thereof. The implantation of the piles ...  
JP6989678B2
The objective of the present invention is to provide a tube which is formed from a fluororesin and has excellent tearability and inner surface smoothness. A tube formed from a fluororesin according to the present invention is tearable in...  
JP2021181189A
To provide a resin filler tube capable of ensuring rigidity at a bent cylindrical portion while facilitating manufacturing, and a method for manufacturing the same.A resin filler tube 13 connects an oil supply port 11 and a fuel tank 12 ...  
JP6972989B2
To obtain a flat cut surface of an unvulcanized rubber-made strip-shaped member by preventing deformation of the cut surface at cutting.A cutting method for an unvulcanized rubber-made strip-shaped body includes the steps that: the conve...  
JP6941225B2
An object of the present invention is to provide a novel ethylene/α-olefin/non-conjugated polyene copolymer containing a certain non-conjugated polyene such as VNB as a copolymerization component, having a low long-chain branching conte...  
JP2021138140A
To provide a composite pipe in which generation of abnormal noise can be suppressed without providing an intermediate layer of a foamed resin between an inner pipe and a corrugated pipe, and the corrugated pipe can be reliably formed by ...  
JP2021131155A
To provide a method for manufacturing a tank for storing or containing a fluid under pressure, such as for storing, containing or channeling hydrogen, natural gas or a hydraulic fluid, and a method for manufacturing a pipe for containing...  
JP2021127799A
To provide a resin pipe with a modified layer that can exert modification effect with improved persistence and can preferably join a resin pipe to a joint even when the resin pipe is cut in any position.A resin pipe includes a resin pipe...  
JP6917817B2
To provide a method of producing a synthetic resin pipe including a lateral hole having high dimensional accuracy.In a method of this invention, a synthetic resin pipe 1 including a lateral hole 2 in a pipe wall thereof is produced. Firs...  
JP6912958B2
To improve, in the case of providing an injection-molded flange at an end portion of a blow-molded or gas-injection molded pipe body, a sealability of an interface between the pipe body and the flange as well as a sealability between a f...  
JP2021098446A
To provide a resin filler tube which can be made equal to or larger than an inner diameter of a cylindrical body whose inner diameter is a reference in the vicinity of a flange.A resin filler tube 30 includes: a tubular body 32a; a flang...  
JP2021098445A
To provide a resin filler tube capable of improving stability of a welding surface without affecting stability of the welding surface by a melted burr.A resin filler tube 30 includes: a tubular body 32a; a flange 32b that protrudes radia...  
JP6896835B2
A double-headed tube structure comprises a tube body, a first tube head, an annular retaining member and a second tube head. The first tube head and a first end portion of the tube body are hermetically connected together. A second end p...  
JP2021079671A
To provide a highly durable liquid flow path member.A method for manufacturing a check valve unit 70 as a liquid flow path member comprising: a first flow path member 71 that constitutes one of the flow paths in a direction of ink flow; ...  
JP6871448B2
To produce a method for producing a corrugated composite tube capable of obtaining a corrugated composite tube in which pasting between a tubular body and a covered body is suppressed.Provided is a method for producing a corrugated compo...  
JP6843822B2
To provide a resin thin film tube that is facilitated in drying an inner surface of a resin thin film tube and can readily insert a member into the resin thin film tube.A resin thin film tube 1 has three or more linear creases in a longi...  
JP2021030624A
To provide a manufacturing method of a resin pipe with a bracket capable of suppressing the deformation of the resin pipe without using a mandrel when molding the bracket onto the resin pipe.A manufacturing method of a resin pipe 20 with...  
JP6835717B2
In the manufacture of double-walled corrugated extruded pipe it is desirable to form an integral connecting cuff that is of a single wall thickness and typically of a large diameter. The mold blocks and process parameters for forming of ...  
JP2021020396A
To provide a duct production method by which a duct having excellent mechanical strength and having light weight can be produced.According to the present invention, a duct production method using first and second molds is provided. The m...  
JP2020183269A
To provide a cylindrical member, a container, and a method for manufacturing a cylindrical member that can be easily deployed.A cylindrical member 1 having an inner layer member 2 and an outer layer member 3, in which an outer surface of...  
JP2020179590A
To form a spigot in a pipe such as an FRPM pipe or an FRP pipe with high accuracy and in a short time even by an inexperienced person.An average outer diameter φ10 of a pipe 10 is measured by a first laser measuring device 21 while the ...  
JP2020180627A
To smoothly shrink a coating layer and an intermediate layer in an axial direction when exposing an end of a tube body in a composite tube.A composite tube 10 includes: a pipe body 12; a coating layer 20 made of a resin material, coating...  
JP6777957B1
To configure a preformed part in a joint hollow molded product by sealing molding in which each preformed part is temporarily joined and a sealing resin is arranged and sealed at a joint portion of each preformed part. We provide a bonde...  
JP2020157496A
To provide a method for manufacturing a protective tube provided with a protective layer and an outer cover, that suppresses cracking of the outer cover.A protective tube manufacturing method of the present disclosure is a method of manu...  
JP6762836B2
To provide a tubular resin molded body of high quality, when a tubular resin molded body with a branch tube shape is subjected to injection molding, capable of suppressing the generation of burrs caused at the branch part of the tube.A t...  
JP6763625B1
[Subject] In spite of being low cost, a manufacturing method of a structure and a structure made from FRP with section-shaped high flexibility are provided. [Means for Solution] A manufacturing method of a structure is a fiber reinforced...  
JP6762833B2
To provide a method for producing a tubular resin molded body of high quality, when a tubular resin molded body with a branch tube-shape is subjected to injection molding, suppressing the generation of burrs caused at the branch part of ...  
JP2020138359A
To provide a method for manufacturing a tube body used for a power transmission shaft capable of preventing slide of a filament at a mold-inclined portion of a mandrel and winding the filament to high density when winding the filament ar...  

Matches 651 - 700 out of 6,810