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Patent Searching and Data


Matches 601 - 650 out of 9,998

Document Document Title
WO/2000/016954A1
A thermoplastic material melting unit (10) including various grid and reservoir configurations designed, for example, to optimize flow rate, melt rate and residence time within a melting unit. A main embodiment includes a supply hopper (...  
WO/2000/012279A1
The invention concerns a method for increasing thermal convection speed in a thermofusible polymer, in particular a polyethylene terephthalate, enabling to increase the speed of heat transmission by thermal convection in said polymer, by...  
WO/2000/012290A1
The invention concerns a method for treating a preform made of an injected thermofusible polymer for producing a container by blow moulding, which consists in applying to the preform a thermal radiation and ultrasonic vibrations, in part...  
WO/2000/007684A1
The invention relates to a multistep method for evaporating polymer solutions of thermoplastic polymers and for removing volatile constituents from thermoplastic polymers by means of indirect heat exchange. The invention, in particular, ...  
WO/2000/001521A1
A method of and apparatus for dewatering a slurry of elastomeric polymer and water, using an extruder (1) or extruders provided with a device (4) for measuring an actual water content of the elastomer at a position within the extruder (1...  
WO/2000/000334A1
An improved process for producing a consolidated polymeric monolith from an assembly (10) of thermoplastic polymer. The assembly (10) is placed under pressure to fill a majority of the voids thereof by mechanical deformation of the fiber...  
WO/1999/065975A1
A molded rubber obtained by irradiating with an ionizing radiation a premolded object of a composition comprising 5 to 95 wt.% fluororubber having a vinylidene fluoride unit content of 45 to 88 mol. % and a number-average molecular weigh...  
WO/1999/066094A2
A heating system (20) for heat treating a continuous sheet-like material (50) includes an input end (10) and an output end (30) and a path defined therebetween that extends between the input and output ends for the material to be treated...  
WO/1999/062353A1
A process and apparatus for melting and processing a high molecular weight elastomeric material for a gum base or chewing gum product is disclosed. The solid elastomeric material, which preferably is polyisobutylene, is heated and melted...  
WO/1999/059792A1
A method of preheating a thermoformable laminate assembly (12) having first and second sides is disclosed. The method includes supplying pressurized heated air to first and second manifolds (30, 32), each of which has an inlet (36) for r...  
WO1999047318A9
A process for removing deleterious surfaces from polymeric regrind particles in which the polymeric regrind particles such as TPO, PC/ABS, PC/PBT, PA/PP or PA/PPO having a surface material deleterious to post-treatment processes is conta...  
WO/1999/052695A1
A method of moulding an article from prepreg including laying a sheet of prepreg on a mould to conform with the mould includes also treating the resin of the prepreg to increase its viscosity to a predetermined value which, when the shee...  
WO/1999/052474A1
This invention is a method for improving the wear resistance of an implant, made of polyethylene by cross-linking its bearing surface layer, while leaving its non-bearing interior uncross-linked. Such cross-linking may be achieved by ele...  
WO/1999/047325A1
A feed device (10) for feeding blocks (40) of adhesive into a glue melt tank (6), comprising a magazine (12) divided into a plurality of segments (14), each segment (14) adapted to contain a block (40) of hot-melt adhesive; a plate (16) ...  
WO/1999/046098A1
Method and apparatus for forming items (A) made of polymeric material, comprising the operations of bringing a mass of polymeric material (14) to a pre-set fluid or viscous condition suitable for obtaining the plastic item (A) and of for...  
WO/1999/042279A1
Method for forming a socket on a pipe of thermoplastic material. In the process, an end section, to be provided with a socket, of the pipe is heated in a heating station. Then, the pipe with the heated end section is transferred to a soc...  
WO/1999/038681A2
The invention relates to a method for producing fiber composite shaped parts, especially hollow profile parts, out of fiber reinforced synthetic resin. The shaped parts are stacked in a plurality of layers with fiber matting (prepregs) w...  
WO/1999/037451A1
For the purpose of conducting injection molding of an aromatic polyester preform through advantageous exposure of a melt of the aromatic polyester to a reduced-pressure atmosphere, the production of an aromatic polyester preform is condu...  
WO/1999/036179A1
Grinding device for grinding granulates, in particular plastic granulates, to powder, comprising in successive, mutually downstream arrangement, at least one silo (70) in which the material to be ground is stored, a downstream grinding u...  
WO/1999/028104A1
The invention relates to device (1) for heating and applying plastic materials, comprising a heatable supply unit with a fill hole (5) and a screw conveyor and a removal unit (28, 30) for the plastic materials which are ready for process...  
WO/1999/026999A1
The present invention discloses a generic method for producing void and gas occlusion free materials, as well as apparatuses for batch and continuous production of same. This generic method can be utilized in the production of a wide var...  
WO/1999/025747A1
The invention concerns compositions based on fluorinated resin having a particularly low swelling of hydrocarbons and organic substances, in particular in extreme temperature and/or pressure conditions. Said compositions are obtainable b...  
WO/1999/022920A1
The invention concerns an impregnation method for producing in particular a composite material comprising a fibre or filament array and a continuous matrix, rigid or flexible, with which said array is in close contact. The method is char...  
WO1999015324B1
A low pressure dryer for granular or powdery material includes a plurality of hoppers (12) rotatable about a common vertical axis (24) serially among material filling and heating (100), vacuum drying (102) and material discharge position...  
WO/1999/021694A1
An assembly, such as a seat cushion assembly (10) having a cover material (16) joined to a substrate (14), is made by a process including an initial step of positioning at least one heat-activatable adhesive layer (18) and an energizable...  
WO/1999/020454A1
A continuous flow filter changer (10) for a fluid having a filter carrier assembly (36) for intermittent sliding transition displacements in a filter channel to align adjacent filters (38) thereon successively with a filter aperture in t...  
WO/1999/018404A1
The invention relates to a drier-heat-exchanger for heat-treating PET granulate and similar. Instead of the usual shaft covering the whole cross-section, the inventive drier only has a channel which is delimited by air-permeable sheets (...  
WO/1999/010160A1
According to the inventive method for hot-forming thermoplastics, a blank, preform or similar semi-finished product is heated to a preforming temperature and then deformed using a forming device. Said blank is subjected to radiation of a...  
WO/1999/002324A1
A preform (1) is injection molded. Thermal energy such as radiant heat, convective heat, or ultraviolet energy is applied to the preform (1) to form a desired pattern (5) by altering the molecular morphology and optionally imprinting of ...  
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/1999/002323A1
An apparatus (10) for melting lipstick material includes an enclosure (12) having an upper lid section (14) which sits on a lower base section (16), and a heating element wherein upon heating, an indicator light (19) located on the base ...  
WO/1998/058985A1
A method for producing an elastomeric mixture based on the steps of mixing the additives and/or fillers of the predetermined composition of the mixture to be produced into a solution of at least one elastomer in one or more solvents, rem...  
WO/1998/057109A1
The present invention relates to a drying process which comprises the following steps: (1) charging the polymer material in bulk into a drying apparatus which comprises a drying chamber and a rotary device; and (2) drying the material by...  
WO/1998/057110A1
Moisture content of material such as thermoplastic pellets (80) in a hopper (30) is controlled by supplying dehumidified air from a dessicant bed (90) to the hopper (30) and returning air from the hopper (30) to the dessicant bed (90). A...  
WO/1998/055284A1
Plant for a dehumidification process of granules, particularly of plastic material, to be subsequently used in the molding processes, comprising two means for the dehumidification of the air to be inlet inside of a process hopper provide...  
WO/1998/052729A1
A multi-layer preform (90), includes: a) a plastic inner liner (10), comprised of a cylindrical walled body, which may or may not include a tapered annular shoulder portion, and a cylindrical walled neck portion extending upwardly from t...  
WO/1998/051477A1
Method for producing a shaped body, which method comprises the following steps: (1) applying a layer of pulverulent material to a surface, (2) patternwise applying at least one liquid to the layer of pulverulent material, forming a layer...  
WO/1998/051462A1
Methods for pre-shaping paint film laminates and co-molding processes using such laminates are disclosed. The methods comprise the steps of providing a plastic film laminate, softening the paint film laminate with heat such that one or m...  
WO/1998/050218A1
A method for fabrication of a circuit board laminate (10) in a continuous process employs an extruded laminate core (12). Streams of a fibrous material, microspheres or fused silica, a catalyst and a thermosetting resin are added to an e...  
WO/1998/046410A1
A plastic article having a crystallized portion and an amorphous portion is formed. The article is produced by injecting molten plastic into a mold cavity (22) of preform mold (10). The hot plastic within the mold cavity is quickly coole...  
WO/1998/045022A1
The invention relates to a filter device, in particular for filtering melt-type fluids, such as polymer melts, comprising at least one filter disk (10) having two filter disk halves (12, 14) connected to each other by their edges and out...  
WO/1998/040417A1
The invention relates to a deodorizing apparatus, wherein a polyolefin granulate is rinsed with a gas mixture consisting of water vapor and air, a gas mixture consisting of water vapor and nitrogen or with pure water vapor. The resulting...  
WO/1998/039148A1
The invention relates to a method for replastifying used rubber powder wherein a powder mixture of chemical activators is produced and subjected to a mechanochemical treatment. Said method improves bonding and co-vulcanization of the mix...  
WO/1998/028125A1
The invention relates to a method for producing reactive plastic molded bodies with highly filled coarse-grained filling material, wherein the coarse-grained filling material is heated at a high temperature before being poured into the m...  
WO/1998/026908A1
Controlling viscosity of molten polymers, such as polycarbonate, prior to a molding operation such as injection molding, extrusion, thermoforming or blow molding, involves a reduction of viscosity in the plastic melt at constant temperat...  
WO/1998/018847A1
A process is disclosed for the crystallization of a PEN prepolymer containing volatile components. The temperature is maintained at a temperature in the range of about 20 �C above the Tg and about 10�C below the Tm while the PEN prep...  
WO/1998/016258A1
A method for improving the wear resistance of an implant by cross-linking its bearing surface layer, while leaving its non-bearing interior uncross-linked. Such cross-linking may be achieved by electron-beam irradiation or by chemical cr...  
WO/1998/014495A1
Enhanced isocyanates can be obtained by making at least one isocyanate react with at least one polyethylene oxide polyether alcohol and at least one compound having formula (I) wherein the indices and substituents have the meaning given ...  
WO/1998/014314A1
Polymer processing systems and methods which use microwave energy to achieve extremely rapid, efficient melting and/or softening of polymer materials. After rapid melting and/or softening is achieved, the molten polymer may then be press...  
WO/1998/013182A1
The invention concerns a method for treating plastic tubes, in particular PVC tubes, obtained by extrusion, whereby a tube is brought to a molecular orientation temperature, higher than room temperature, and is subjected to a bi-axial dr...  

Matches 601 - 650 out of 9,998