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WO/1993/022024 |
The exchange oil filter for use in filtering devices fitted in the oil intake line of heating oil burners has a porous, cup-shaped filter body of sintered polyethylene particles and a substantially annular polypropylene securing componen...
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WO/1993/022127 |
Methods for bonding metallic structures to thermoplastic and thermoset composite structures are described. The methods include steps for preparing the metallic structure (14) for bonding by knurling a mating surface of the metallic struc...
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WO/1993/022122 |
A process for producing a reinforced plastic motor vehicle bumper includes the steps of placing a woven roving (17) on a center section of a preform screen (10) that is retained by a vacuum draw from a suction fan (16). Chopped glass fib...
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WO/1993/020395 |
An apparatus (10) for the constrained drying and/or heat treating of a continuous roll of film. This apparatus (10) includes a mechanism (46) which grasps a film (112) by its edges and moves said film (112) through a drying zone, with sa...
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WO/1993/017847 |
An injection molded high temperature plastic intake manifold (30) for an internal combustion engine includes a thin-walled hollow shell (12) to match the interior configuration of a manifold (30), the mandrel (15) being configured to def...
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WO/1993/016856 |
A process is provided for preparing recyclable reinforced composite structures having enhanced surface appearance by heating a self-supporting porous batt comprised of an intimate homogenous blend of high modulus reinforcing fibers and t...
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WO/1993/015901 |
In order to ensure a matching fit, in particular a sealing fit, between components (1, 2) which are pre-assembled in their working positions, the invention calls for the components to be made of plastic, preferably thermoplastic, materia...
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WO/1993/013731 |
A method and apparatus (10) is used for molding a polymeric article such as a prosthesis (12) which has a solid polymeric portion (14) and a porous polymeric portion (16) for permitting the ingrowth of living tissue within the pores of t...
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WO/1993/009931 |
A method for producing an extruded plastics strip having a substantially uniform hinge extending along the length of said strip to enable the strip to be bent about an angle of at least about 90°, said method comprising: (i) extruding a...
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WO/1993/008711 |
A protective helmet and method and apparatus for making the same. The helmet is made of an expanded, resilient polymer and configured with an undercut portion and with holes for ventilation and/or the mounting of a helmet retention syste...
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WO/1993/006981 |
The method comprises providing a layer of paint (16) in a mould (10, 12), providing a sheet of fibre reinforced thermoplastics material (17), heating the sheet, introducing the heated sheet into the mould and compressing the sheet in the...
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WO/1993/005951 |
The invention relates to the production of an optical lens made of thermoplastic synthetic material coated on at least one of its faces with a protection layer made of thermosetting synthetic material. According to the invention, there i...
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WO/1993/004848 |
A mold assembly includes first and second mold sections having respective first and second mold cavity defining surfaces, the first mold cavity defining surface terminating in an encircling peripheral rim (52) and the second mold cavity ...
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WO/1993/004858 |
A slip control sheeting can comprise a backing (12) having a first end and a second major surface (14, 16) and an array of protrusions (22) on the first major surface. The protrusions can be pyramids with polygonal bases or pyramidal fru...
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WO/1993/003096 |
A composite material for blast, impact and fire resistant barriers is formed by curing a mixture of a phenolic resin, a neutral, noncorrosive curing agent therefor, fine powders including a hydraulic material, water, fibres, and aggregat...
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WO/1993/001039 |
A method and apparatus for injection moulding thermoplastic polymers wherein a layer of pressurised gas is provided between at least selected moulded parts (11) and the cooling polymer (28). The gas takes up shrinkage as the polymer cool...
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WO/1992/019308 |
A catheter is provided. The catheter has an irregular outer diameter (47, 48) and/or an irregular inner diameter caused by embedment of a reinforcing member (38), thereby reducing sliding friction compared to conventional smooth-wall cat...
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WO/1992/020004 |
A matrix of optical concentrators (1) characterized essentially in that the concentrators (1) are optically independent rotationally symmetrical reflectors filled with a light-transparent optical material (2) having a refractive index n ...
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WO/1992/018319 |
An embosser (300) for producing a pattern on a plastic sheet (P). The embosser (300) includes a knurled flat roller (340) and a cooperating scoring roller (330) between which the plastic sheet (P) is conveyed over a gap (255) in a workin...
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WO/1992/018341 |
Synthetic resin moldings such as panels and doors having an improved simulated wood grain finish are obtained by coating a part of all of the mold surface with at least one colourant, having a colour which is different from the colour of...
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WO/1992/018330 |
Disclosed is an apparatus and method of fabricating tank wrap of desired thickness having fibers oriented generally in the thickness direction from lengths of insulation material (12) having fibers oriented generally in the length direct...
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WO/1992/015262 |
An injection-molded thermoplastic device having a field of injection-molded hooks integrally formed in predetermined areas on the device during the injection-molding of the device for releasable attachment to a strap with loops.
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WO/1992/014603 |
The invention relates to a device for finishing, folding or deforming plastic sandwich panels by means of one or more pressing members consisting of an optionally cooled support beam (6) to which a press element holder (7) provided with ...
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WO/1992/012876 |
An airbag cover assembly (10) for the passenger side (12) of an automobile. The assembly (10) includes an exterior skin (18), a pair of underlying sub-assemblies (20), each including a U-shaped galvanized steel strip (22), a short nylon ...
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WO/1992/010356 |
A method of molding and a mold for making bathtubs are disclosed. The mold includes a mold receptor (52) and a deck insert (34) attached to the mold receptor face. The preferred deck insert has at least one projection (36) designed to re...
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WO/1992/007706 |
The invention relates to a device in injection moulding machines, particularly for the manufacture of articles (6) of plastic with high accuracy and at high speed, such as compact discs, comprising a mould with two mutually reciprocable ...
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WO/1992/005937 |
Method for production harmless to the environment of large objects of plastic by conventional plastic material application, and where around the application area is placed in adjustable proportion sealing cover (5, 6), and with the area ...
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WO/1992/005026 |
The invention relates to a preform for a polyester bottle, having applied to its surface a coating of a material that lowers the coefficient of friction of the polyester and to a method of producing a preform for a polyester bottle, prov...
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WO/1991/016187 |
Apparatus for casting cellulose acetate film from a hot solution is described. The apparatus includes a casting wheel (12), means (13, 14) for passing heated liquid through the wheel to heat the wheel, means (15) for extruding a band of ...
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WO/1991/015353 |
The method comprises the step of: forming a substantially flat blank (1) of plastics material with grooves (4) formed in selected positions therein by means of a moulding process. A plastics enclosure can be formed from such blanks (1) b...
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WO/1991/015352 |
A moulding method for moulding polyurethane foam around a skeletal frame and within a latex skin, firstly inserting the frame into the skin, and supporting the frame (12) and skin (22) in a hollow (11) of a female die (10) the internal s...
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WO/1991/014557 |
A process for making a mold with a reference grid visible through a transparent protective gel coat coating and a process for using the mold to inlay a graphic in a synthetic resin casting for the like. The processes provide for position...
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WO/1991/013809 |
A container (10) for bulk materials includes a cardboard tubular sleeve assembly (17) having its lower edge portion in upwardly opening groove (40) on a plastic pallet (14). The tubular sleeve assembly (17) comprises inner (70) and outer...
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WO/1991/012136 |
The present invention provides methods for treating continuous lengths of resin-impregnated sheets (11) so that they can be supplied in roll form, i.e., like a bolt of cloth, for subsequent processing or use. The methods feature the step...
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WO/1991/009560 |
A method of molding and a mold for making bathtubs are disclosed. The mold includes a mold receptor and an insert attached to the mold receptor face. The mold receptor receives a shell which has a finish side and a non-finish side. The s...
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WO/1991/009718 |
A method for molding open cell soft polyurethane foam and a release agent utilized in the method which incorporates an aqueous gel (30) coated onto interior surfaces (18, 20) of a mold (10) prior to introduction of a foamable liquid poly...
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WO/1991/008094 |
A mechanical device for impregnating reinforcing fibres with a liquid binder using fibres in the form of matt or cloth fed to a perforated rotating drum under suction and dipped into the binder, or alternatively, by dispersing the fibres...
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WO/1991/008095 |
Electronic components, chips, are moulded in a single-strip moulding apparatus. The products to be moulded are placed in a mould consisting of two halves, one of the halves whereof displays recesses for receiving a component, which half ...
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WO/1991/007139 |
A method is disclosed for the production of a shaped article, such as a prosthesis, comprising the steps of: (a) predetermining the 3-dimensional shape of the article required; (b) selecting a blank (51) from which the article may be for...
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WO/1991/005660 |
A process for making plastic siding panels, such as outdoor weatherable vinyl panels with an embossed wood grain pattern, comprises extruding a vinyl sheet (12) and overlaying on the extruded sheet a flexible carrier sheet (26) having co...
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WO/1991/003363 |
A former (18) is initially moulded to have a relatively thick wall (average about 2mm) with an outer shape forming surface and an inner surface defining a hollow, and a hollow extension (20) which extends from one end, and the shape form...
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WO/1990/014914 |
Apparatus and method of forming shiplap grooves (21, 23, 25, 26 and 28) in a duct board (12) utilizing a square (35) and measuring indicia (39). The apparatus comprises shiplap groove cutting tools (22 and 24) and an angle square (35) co...
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WO/1990/014201 |
A gel casting method and apparatus are used to cause a pre-gelled liquid mixture to gel sequentially in a given travelling direction, allowing still liquid material (27) to flow to the gelling front (29), replacing volumes lost due to sh...
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WO/1990/013412 |
A combination valve is disclosed which is useful in flash extrusion of polymer-liquid mixtures or polymer solutions. The combination valve comprises an automatically actuated main process fluid valve (13, 14) and an automatically actuate...
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WO/1990/013413 |
A method and a device are disclosed which show how a shrinkable material such as a prepolymer material can be formed in situ without defects and with no internal stresses. The method and the device cover both in situ polymerization and d...
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WO/1990/012226 |
A plastic stabilized composite camshaft and method. In one version, a hollow polished tube (75) is positioned within appropriately aligned and fixtured annular cam elements (73) having interior protrusions (79) that increase in size towa...
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WO/1990/008625 |
In a device for removing objects for example from a mould cavity between two half-moulds (1, 2) of a machine, in particular an injection moulding machine, a press or the like, one half-mould (2) is connected to a drive element (11) which...
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WO/1990/006225 |
Process for stepwise construction of a plastic pipe having, from the interior outwards, an inner separating film, an inner skin, an intermediate layer of high resin content with a nonwoven fibre inlay, several alternate axial and tangent...
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WO/1990/005061 |
Ophthalmic lens compositions comprising a cured polymer mixture of (A) an unsaturated polyester resin composition, (B) a monomer of formula (I); (C) an optional vinyl, acrylate monomer, or other monomer or mixtures thereof, and (D) a fre...
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WO/1990/004812 |
Holograms (42) are formed in moldable materials of varied shapes and curvatures utilizing injection molding and the like. Instead of the conventional metallizing, there can be sprayed on flakes of highly specular metal made by breaking u...
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