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WO/1994/015863A1 |
A pick-up and transfer head (1) for hollow objects (10) which is particularly suitable for picking up thermoformed objects from a female die (3) and transferring them to a receiving station (22) in a thermoforming apparatus, which compri...
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WO/1994/014596A1 |
The proposal is for a ram extruder, especially for the production of extrudates (12) of powdered PTFE (44) with an extrusion tool (3) vertically pierced by a plurality of extrusion channels (9) opening with an aperture (11) in the upper ...
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WO/1994/014585A1 |
The invention relates to a system for dosed conveying and selecting of pellets for a moulding apparatus for lead frames, with which it is possible to prevent crumbled pellets or fragments and/or dust thereof being able to reach the mould...
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WO/1994/005477A1 |
A conventional hopper-carrying machine has a drawback that the cleaning of the hopper thereof interrupts an operation of the machine to cause the operation efficiency of the machine to lower. This invention is constructed so that a detac...
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WO/1994/004332A1 |
In a feed device for kneaders, worm extruders or the like with at least one feed shaft (1) and at least one ram (2), where the feed shaft (1) has at least one loading aperture (3), the ram (2) and all or part of the feed shaft (1) are cu...
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WO/1994/003320A1 |
Tooling for a quick change of molds and associated accessories for a blow molding machine for blow molding hollow plastic articles or articles, including a mold (2) that can be opened, with a feed opening (20) for introducing compressed ...
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WO/1993/025370A1 |
A molded disk (7) is transferred out of the mold with short-stroke low-mass motions of a pair of machinal guides (6) which can grip, then release, the O.D. edge of the molded disk, when acting in coordination with movable mold members ha...
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WO/1993/024288A1 |
A device for feeding a long adhesive sheet-like material that is protected on both sides thereof by means of releasable films to a fabricating device a predetermined amount at a time without intervention of an operator. An adhesive sheet...
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WO/1993/024303A1 |
A photohardening molding apparatus and a photohardening molding method, wherein the reliability of an operation for coating the upper surface of a hardened layer with an unhardened liquid is improved and the time required to carry out th...
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WO/1993/023234A1 |
Apparatus for the manufacture of a length of closed film product from a length of flexible, flat film (12) is arranged on a support frame which supports a film forming collar (10) that is connected to a tubular member (24) for receipt of...
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WO/1993/023233A1 |
Apparatus for adjusting the spacing of drive assemblies (22, 24) for transport of tubular film over a forming tube includes adjustment arms (34, 44) attached to each of the separate spaced drive assemblies (22, 24) which are attached to ...
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WO/1993/018899A1 |
A system is provided for supplying a plurality of different components in controlled amounts and component conditions to a molding machine which comprises a plurality of holding bins (10, 12, 14, 16) for particulate molding composition c...
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WO/1993/018900A1 |
Inorganic fiber-reinforced thermoplastic articles are produced from precisely proportioned feed mixtures of particles of thermoplastic polymer, a polymer modifier and inorganic fiber bundles supplied, under specified conditions, directly...
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WO/1993/014920A1 |
Method for pressing a plastic (6), which cures by means of a reaction, from a displacement chamber (4) via at least one injection channel (3) and a gate (2) into a mould cavity (1), said method at least comprising the following steps: pr...
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WO/1993/008009A1 |
In order to eliminate material distribution inaccuracies, which are inevitable when tubes are centrifugally cast with known devices, a new process and plant are disclosed. The plant has at least two cylindrical centrifuging drums (1) tha...
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WO/1993/001022A1 |
During moulding of electronic components arranged on the so-called lead frames, moulding material in the form of cylindrical pellets is used. The pellets are supplied to an aligning and transporting device in the form of a rotating cone ...
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WO/1992/022377A1 |
The description relates to a device and process for transporting and preparing cast resin or the like and for supplying a casting installation therewith, said resin's being filled and/or consisting of several components, like resin and c...
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WO/1992/021509A1 |
Generally there is described herein two versions of a thermally conductive porous inner structure for a tank. In the first embodiment a closed tank (10) is accessed through an orifice and an injection tube is inserted to spray a coat of ...
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WO/1992/018315A1 |
A manufacturing insert (40) for a molding press having an upper movable platen (22) adapted to support a male mold member (76) and a fixed lower platen (26) adapted to support a female mold member (70). The molding press includes a mix h...
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WO/1992/015402A1 |
A sealant applying machine for applying sealant to can lid members comprising a plurality of circumferential spaced sealant applying stations whereat sealant material is applied to a lid member and a rotatable carriage means for supporti...
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WO/1992/007332A1 |
Disclosed is a computer-controlled system (100) and method for separating and sorting plastic items. The computer-controlled system first comprises a first component (106) for separating, singulating and orientating the plastic items, a ...
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WO/1992/006763A1 |
Filtration process and filters for use with materials such as, but no limited to, polymeric melts, utilizing a band (18) of a filter medium sealed in a housing (10) by sealing rollers (24, 26) to seal the polymeric material from leaking ...
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WO/1992/003270A1 |
A device for cooling and granulating molten strands, in particular of plastic, extruded from nozzles has a conveying channel the input-side and end (collecting area) of which is arranged below the nozzles; a granulator is situated downst...
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WO/1992/002306A1 |
The invention relates to a dispensing process particularly for a sealing/adhesive product (14) which comprises at least one step of pumping the sealing/adhesive product to allow a step of distribution thereof onto at least one part to be...
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WO/1991/019580A1 |
A press casting machine (2) is provided with a stand (4) and a lower stationary machine table (5), from which bearers (6) project upwards, supporting an upper vertically displaceable machine table (7). A tool half (9 and 10 respectively)...
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WO/1991/016192A1 |
Pultruded profiles are manufactured at a die station (8) which is fed with resin via a pump (27). The core of the profile is formed by granular material fed to station (8) from a hopper (10) through the interior of a hollow duct (13) whi...
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WO/1991/016190A1 |
A method of manufacturing a bottle with a hand-grip, wherein a synthetic resin parison together with a hand-grip member is disposed in a molding tool consisting of two half portions and blow-molded to be integrated with the hand-grip mem...
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WO/1991/016564A1 |
A method for covering a substrate comprising the steps of: positioning over the substrate (20) an assembly including a recoverable elastomeric sleeve (12) and a mandrel (42) upon which the sleeve (12) is mounted under tension in an expan...
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WO/1991/015349A2 |
The invention relates to a device for manufacturing tubes from prefabricated pipe bodies by pressing a heated plastic blank (24) to form a tube head which is connected to the tube pipe (13) at the same time. The device has a step-by-step...
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WO/1991/013743A1 |
A method of controlling injection of an injection molding machine in which the weight of plasticized synthetic resin to be injected from the cylinder of the injection molding machine to the cavity of a mold so as to be filled thereinto i...
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WO/1991/013747A1 |
The disclosed machine is comprised of a positioning table, a headstock, a transmission device for the headstock, a deposit table and a control board. The deposit table has a coating with perforations and a lower pneumatic impulsor, as we...
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WO/1991/008888A1 |
A compression molding device provided with a rotary supporting member attached thereto with a plurality of molds. The respective molds are conveyed by the rotation of the rotary supporting member successively through a resin material sup...
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WO/1991/008095A2 |
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/1991/007264A1 |
An apparatus for densifying expanded plastics material or other plastics products comprises a chamber (10) having a wall (16) which is cast from metal and incorporates an e.g. electrical heating element (20) cast therein, and an outlet i...
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WO/1991/004103A1 |
Method and device to pressure balance hoses at supply of two different components with substantially the same pressure to an extrusion head (13), where the flow of the second component is substantially below the flow of the first compone...
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WO/1991/001872A1 |
An apparatus for covering a surface and the edges of panels of wooden material with a sheet of thermodeformable plastic material, of the type for application to a press with a lower heated bed of elastically yieldable material and a rigi...
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WO/1991/001873A1 |
An apparatus for covering a surface and the edges of panels of wooden material with a sheet of thermodeformable plastic material, of the type for application to a press with a lower heated bed of elastically yieldable material and a rigi...
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WO/1991/000801A1 |
An apparatus for manufacturing a foil web of a thermoplastic with locally secured fittings (21), for use as tarpoulins or similar articles, comprises an extruder head (1) with an entirely or mainly downwards directed ejection orifice and...
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WO/1990/014204A1 |
An injection molding creates a micro-cleanroom environment inside a mold cavity which can stay closed to airborne contaminants while ejecting and transferring the molded part out. The molded part (16) is formed and solidified at a partin...
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WO/1990/005627A1 |
Apparatus for the high speed manufacture of elongated tubular film products from lengths of flexible, flat films. Film is unspooled, passed over a forming collar, and onto a tube. On the tube, the film has a circular cross-section, with ...
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WO/1990/004557A1 |
A method of quantitatively supplying an introduced material to a subsequent stage, in which the depth of a material sent along the upper surface of a transfer mechanism from an introduction end thereof to a transfer end thereof is restri...
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WO/1990/003422A1 |
This invention relates to a slider of a synthetic resin containing polyethylene as a main component, characterized in that the slider consists of an injection molded product of polyethylene having a viscosity average molecular weight of ...
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WO/1990/002643A1 |
Feeding device for bulk material including a funnel-shaped storage container (4) which acts as the weighing container of a mass flow dosing apparatus, where it is suspended in a freely movable manner on measuring elements (3) and where i...
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WO/1990/000962A1 |
A method is described for stretch blow-moulding thermoplastics bootles (50) from heated parisons of thermoplastics material such as polypropylene. The parisons are severed from thermoplastics sticks (51) each of which is formed of severa...
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WO/1989/009699A1 |
The device comprises a plurality of distribution tanks (18, 66) containing a granular product of predetermined colour and connected to injection heads (24) allowing for the flowing of the product into to upper opening of the gap or space...
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WO/1989/008545A1 |
A method for the manufacture of a tubular article such as a component for deformation into the shape of a pneumatic tyre utilises a flexible carrier (15) for transfer and deformation of sheet material (9) to extend in a tubular form betw...
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WO/1989/008541A1 |
Handling means for the transportation of flexible sheet material comprises two work stations and a carrier (15) movable between the two work stations. The carrier is provided with means (12, 13) securely to support flexible sheet materia...
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WO/1989/008544A1 |
Method and apparatus for sealing the end of a thermoplastic tube (10) wherein a tapered mandrel (16) is heated to a temperature above the melting point of the tube and is inserted into the tube to force direct contact of the tube (10) wi...
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WO/1989/007517A1 |
A printed circuit board (2) is fed through a gap between two press-rollers (7, 7') by a first conveyor belt (14). After passing through the gap, it is collected by a second conveyor belt (15). The press-rollers are of identical design. E...
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WO/1989/007516A1 |
The above process involves heating the thermoplastic, forming a blank by means of a possibly annular nozzle and separation thereof by possible use of a heated gas stream surrounding the nozzle and oriented towards the point of separation...
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