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Patent Searching and Data


Matches 451 - 500 out of 6,821

Document Document Title
WO/2000/061356A1
The present invention relates to a pressure-resistant hose and forming method thereof, which is capable of effectively spouting liquid or gas of high pressure even though the pressure-resistant hose is of a relatively small thickness, re...  
WO/2000/059740A1
The invention concerns a single-piece tube with a thick wall, with substantially circular cross-section, essentially consisting of an elastic material, whereof the diameter of its aperture (2) represents less than 25 % of its external di...  
WO/2000/057983A1
Filter cartridges may have a core element formed of a non-filtering, self-supporting non-woven mass of indefinite length continuous synthetic polymeric core fibers, and at least one annular filtration zone layer formed of a mass of non-w...  
WO/2000/055062A1
The invention relates to a two-chamber tube consisting of a tube pipe (1) and a tube head (2) which is moulded on and which has a shoulder (3) and a central neck (4). A through channel (7) which opens into a sealable discharge opening (8...  
WO/2000/054963A1
The invention relates to a method for producing a two-chamber tube with a dividing wall (9) that extends into the tube head. This method comprises the following steps: a) inserting a dividing wall (9) into the gap (8) of an auxiliary man...  
WO/2000/053963A1
The invention concerns the laying in a trench, open at the top, of a cylindrical pipe from a flexible tubular preform section, initially folded, capable of given a cylindrical shape, but not expansible radially, by being inflated under t...  
WO/2000/047387A1
The invention relates to so-called heat-insulated double pipes (5, 6) which have a heat-insulating layer (15) consisting of rigid expanded polyurethane. Pipes of this type can be produced with an improved insulation effect and without he...  
WO/2000/046006A1
A bladder with an anti-tack rubber having suitable curing properties to turn up plies in manufacturing pneumatic tires is provided. In a preferred embodiment, the anti-tack rubber comprises 50 to 45 parts natural rubber cured with 50 to ...  
WO/2000/046363A1
A method for determining the base sequence of an oligonucleic acid for analysis which is to be used in the analysis of a nucleic acid, characterized by involving the step of comprehending all unit base sequences having a definite length ...  
WO/2000/046894A1
According to the inventive method for producing a one-piece corrugated jacket tube consisting of a thermoplastic, the jacket tube comprises corrugated sub-sections (3'', 3''') which are deformed in such a way that they are superposed rad...  
WO/2000/046543A1
The invention concerns a heat-reflective protective sleeve comprising a substrate (10) and a sheet of reflective material (20) fixed on the substrate (10). Said substrate (10) is elastically deformable from an non-operating position and ...  
WO/2000/041876A1
The invention relates to a method and a device for the continuous production of tubular bodies (1) with an internal longitudinal separating wall (2) for the production of tubes having two chambers (9, 9') which are separated from each ot...  
WO/2000/039494A1
The present invention relates to a polytetrafluoroethylene (PTFE) tube, and more particularly to a PTFE tube for a flexible hose. In particular the invention relates to a PTFE tube having a smooth bore for use in the production of a line...  
WO/2000/029777A1
A fitting for use in the joining of two or more chemically dissimilar materials comprising: a body (3) which, in use, substantially encloses the region to be joined; and one or more fusion zones (5, 6) located, in use, adjacent the regio...  
WO/2000/024566A1
The invention concerns a hollow solid (1) generated by rotation whereof the wall comprises a first inner zone (a) made, at least on its outer periphery, of a single thermoplastic material A, and a second zone comprising a first part (b) ...  
WO/2000/024554A1
The present invention is directed to a topographical support member (2) which is useful for producing nonwoven fabrics or apertured plastic films. The topographical support member (2) is a rotatable hollow cylindrical tube having a subst...  
WO/2000/023738A1
The invention relates to a method for producing a stop valve for pipes comprising a plastic housing (1) having two pipe connecting sleeves (2). A stop element (3) which can be shifted between a flow-through position and a blocking positi...  
WO/2000/023340A1
The invention concerns a plastic tube head (2), designed to be assembled with a skirt (3) to form a tube (1), comprising a neck (20), and a shoulder (21), characterised in that: a) said head (2) includes a multilayer material comprising ...  
WO/2000/022334A1
A composite high-pressure pipe which comprises a tubular inner layer of synthetic resin, a reinforcing layer in the form of a stretched polyolefin type resin sheet wound around the outer peripheral surface of the inner layer, and an oute...  
WO/2000/016968A1
A polytetrafluoroethylene molded product formed by calcination molding, which is resistant to deformation. The molded product is produced by molding a polytetrafluoroethylene powder using compression molding to form a pre-molded product ...  
WO/2000/014446A1
The invention consists of a compensator comprising at least one elongated bending/bulb (2; 42) for the provision of a variable pipe length where the wall of the compensator has at least one wire mesh (12) and a fluoroplastic material joi...  
WO/2000/010938A1
The invention relates to a method for producing hollow fibres, comprising the following steps: a) a film is provided, b) said film is wound into a stem. The film has at least one layer containing one of the following materials: solid ele...  
WO/1999/061833A1
A multilayer composite pipe structure is described. The multilayer composite pipe comprises a hollow inner conduit, a first layer of adhesive, a metallic intermediate layer, a second layer of adhesive, as well as, the outer thermoplastic...  
WO/1999/056049A1
A plastic pipe (1) comprising two hollow cylindrical end areas (3, 4) between a central concertina-like area consisting of twelve folds (2). Preferably, the plastic pipe (1) mainly consists of polytetrafluoroethylene (PTFE). The plastic ...  
WO/1999/051423A1
The invention relates to a method for producing a throttle point (3) in a flexible tube (1), characterized in that the wall (13) of the flexible tube (1) is produced in such a way that part of the length of the inner area of the tube (1)...  
WO/1999/047823A1
A rubber roller having a medium electric resistance (having a volume resistivity of 10?6¿ to 10?12¿ $g(V).cm) which comprises a core body (A), an elastic layer (B) prepared by curing an epichlorohydrin-based rubber composition comprisi...  
WO/1999/044812A1
A method of manufacturing tire tubes, wherein a tube element (2') extrusion molded by an extrusion molding machine is provided with a circumferential wall (3i) for an air chamber, a circumferential wall (3o) for a sealant chamber, and a ...  
WO/1999/040010A2
A method of manufacturing paint rollers includes the steps of extruding (20) a cylindrical plastic core (28) through a rotating extruder head (26), and securing an absorbent sheet material (80) onto the outer surface of the core in a con...  
WO/1999/037472A1
The invention relates to a method in and an arrangement for the manufacture of an elongated, hollow, rotationally symmetrical product such as a flagpole. At least one elongated, tubular mould (1) is successively charged with the material...  
WO/1999/033619A1
A wirelaying apparatus and method using a tool (30) having a cutter (31) operatively opening a cut in the interior bore surface (11) of a cylindrical pipe fitting (10), laying wire (12) into the cut and closing the cut using a flange clo...  
WO/1999/025570A2
An air tube (12) of elastomer material for tyres is described, which is divided into at least two parts by an internal wall (19) extending in the equatorial plane and delimiting a central core (20) and two sidewalls (21) in said air tube...  
WO/1999/020460A1
In an apparatus (11) for forming pipe insulation, discrete panels of generally rigid planar board insulation are fed through a sizing apparatus (219) to control thickness, then fed to a conveyor (211) where adjacent ends of the panels ar...  
WO/1999/014496A1
A flexible, chemically resistant tubular diaphragm and method for making the same. The diaphragm includes a substantially cylindrical body having a length and an outer portion comprising a layer of elastomeric material having an inner su...  
WO/1999/012720A1
The invention relates to a method and an arrangement for supporting the ends of a resistance wire in the manufacture of electrically heat-weldable plastic tube fittings in an injection mould. In the method, an electrically heated resista...  
WO/1999/010421A1
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing (1) at least one interpolymer of an alpha-olefin and vinyl aromatic monomer and (2) a coupling amount of at least one poly(sulfony...  
WO/1999/010423A1
The present invention includes a process of preparing a coupled polymer by heating an admixture containing (1) at least one elastomer comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 c...  
WO/1999/010415A1
A process of reacting a poly(sulfonyl azide) with a polymer comprising steps (a) forming a first admixture, hereinafter referred to as a concentrate, of a first amount of a first polymer or in a liquid which does not require removal from...  
WO/1999/010422A1
The invention includes a process of preparing a coupled polymer characterized by heating an admixture containing (1) at least one ethylene polymer or blend of ethylene polymers having a density of at least 0.89 g/mL and less than 0.935 g...  
WO/1999/010427A1
The invention includes a process of preparing a coupled polymer comprising heating an admixture containing: 1) at least one polyolefin comprising ethylene and at least one comonomer which is selected from alpha olefins having at least 3 ...  
WO/1999/005441A1
The invention concerns a method for obtaining a flexible conduit (1), said conduit comprising a streamlined strip (4) including in a single piece a core (4a) with two matching edges (4b, 4c), and at least one rib (4d) projecting on one s...  
WO/1999/002330A1
The invention relates to a method for soldering the ends of tubular containers, specially tubes, filled with a flowable medium, made of a flat thin-walled material that can be softened or melted using heat, wherein the tubular container ...  
WO/1999/001281A1
The invention pertains to the apparatus and process for shaping and forming of thermal insulation materials (M) around tubes and pipes (T) in a continuous production process wherein the tube or pipe (T) and a long singular strip of insul...  
WO/1998/054054A1
The invention relates to a device for extending an intermediate wall arranged in a packaging tube's longitudinal direction with a surplus of material as measured between the attachment locations of the intermediate wall. Means are provid...  
WO/1998/052739A1
A method of making double wall plastic pipe (8) having inner (8) and outer (5) pipe walls adhered to one another without mechanically holding the inner pipe wall against the outer pipe wall comprises extruding separate streams of molten ...  
WO/1998/053241A1
A method for the manufacture of a heat fusion fitting, which comprises i) forming a body (1) comprising at least a first layer of a first cross-linked polymeric material, ii) embedding or partly embedding a ferromagnetic heating element ...  
WO/1998/040286A2
According to the invention, an end wall (113) and two side walls (111, 112) of a bag tube are formed by a piece of plastic film. The side walls (111, 112) are tightly joined to each other along two side parts (114, 115). A shoulder part ...  
WO/1998/038246A1
A rubber composition for footwear, conveyor belt covers, rolls, hoses, electric wires, rubber-coated fabrics or grips, which comprises (A) an elastomer, (B) 5 to 150 parts by weight of a filler, and (C) a polysiloxane represented by gene...  
WO/1998/032202A1
The invention concerns a corrugated jacket pipe (1) comprising undulated sections (3) which are disposed one behind the other in the direction of one axis (2) and extend over move than half of the pipe periphery. The corrugated jacket pi...  
WO/1998/026920A1
Hoses are often reinforced with fabric to improve their performance characteristics, such as burst strength. For instance, radiator hose used in automative applications is generally reinforced with continuous yarn. However, it is a labor...  
WO/1998/022360A1
A process is disclosed for manufacturing tubular bodies (4, 8, 14), in particular multi-layered tubular bodies with at least one partition which extends over their length and forms adjacent longitudinal chambers (A, B; C, D, E; F, G), by...  

Matches 451 - 500 out of 6,821