Into Extrusion Molding Process Patents (Class 264/37.26)
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Patent number: 11549200Abstract: According to an example aspect of the present invention, there is provided A process for making a cellulose fibre or film comprising the steps of dissolving pulp in an ionic liquid containing a cationic 1,5,7-triazabicyclo[4.4.0]dec-5-enium [TBDH]+ moiety and an anion selected from the group according to Formula a), Formula b) and Formula c), wherein each of R, R2, R3, R4, R5, R7, R8, R9 and R10 is H or an organyl radical and X? is selected from the group consisting of halides, pseudohalides, carboxylates, alkyl sulphite, alkyl sulphate, dialkylphosphite, dialkyl phosphate, dialkyl phosphonites and dialkyl phosphonates, to provide a spinning dope, extruding the spinning dope through a spinneret to form one or more filaments, and a step selected from the group consisting of spinning cellulose fibres from the solution, and extruding a cellulose film from the solution.Type: GrantFiled: January 30, 2018Date of Patent: January 10, 2023Assignees: Aalto University Foundation sr, Helsingin YliopistoInventors: Herbert Sixta, Michael Hummel, Kadvaël Le Boulch, Ilkka Kilpeläinen, Alistair W.T. King, Jussi Helminen, Sanna Hellsten
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Patent number: 9555558Abstract: A method for production of a molded article from a base substance in a device for mixing of the base substance with a solvent is provided. The method includes mixing a base substance to produce a molding solution with the solvent and at least partially removing the solvent from the mixture; and feeding the molding solution to a device for further processing of a product and diluting the molding solution before further processing. In embodiments, the diluent is introduced to the device before a discharge device and/or in the discharge device.Type: GrantFiled: April 8, 2011Date of Patent: January 31, 2017Assignee: LIST HOLDING AGInventors: Manuel Steiner, Andreas Diener, Oliver Tretzack, Wangqian Zhao
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Patent number: 9206528Abstract: A method for the production of molded bodies from a base substance, wherein the base substance is mixed with a solution for producing a molding solution, and the solution subsequently is at least partially removed from the mixture, and the molding solution is fed to a unit for molding, wherein the molding solution is diluted before molding.Type: GrantFiled: February 6, 2009Date of Patent: December 8, 2015Assignee: LIST HOLDING AGInventors: Andreas Diener, Oliver Tretzack, Helmut Schildknecht, Daniel Witte
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Patent number: 8939755Abstract: The invention relates to a device for the implementation of a method for the production of pellets of polyamide 6 or copolyamides. The method can include production of a melt of polyamide 6 or copolyamides by means of polymerization, production of pellets from the melt by means of underwater pelletization into a process fluid, removal of the pellets from a site of underwater pelletization in the process fluid, supply of the pellets in the process fluid to an extraction stage, extraction of low-molecular components as extract, and drying of the pellets after extraction, wherein the underwater pelletization stage and the extraction stage take place using the same process fluid.Type: GrantFiled: May 28, 2010Date of Patent: January 27, 2015Assignee: Automatik Plastics Machinery GmbHInventor: Stefan Deiss
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Patent number: 8834755Abstract: Disclosed are wholly aromatic polyamide filament and a method of manufacturing the same, characterized by comprising multi-stage injection of a coagulant with sulfuric acid concentration lowered sequentially stage by stage, to a spun material fed into a coagulant injection tank. The present invention enables increase of a spinning and take-up velocity without occurrence of thread cutting by uniformly and evenly coagulating surface and inside of the spun material. In addition, the present invention recovers the coagulant or water already used and reuses the recovered coagulant or water in the earlier stages, so that it has advantages of saving production costs and reducing environmental contamination. Accordingly, the wholly aromatic polyamide filament produced according to the present invention has high crystallinity X, large apparent crystal size ACS and reduced defects in the crystal itself, thereby exhibiting more improved physical properties such as strength and modulus.Type: GrantFiled: June 2, 2010Date of Patent: September 16, 2014Assignee: Kolon Industries, Inc.Inventors: In-Sik Han, Jae-Young Lee, Seung-Hwan Lee, Jae-Young Kim, So-Yeon Kwon
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Patent number: 8614259Abstract: A process for making a solid component out of recycled powder coat is provided. The process can include providing a powder coat material and providing a second material. Thereafter, the powder coat and the second material are mixed to produce a powder coat-second material mixture. The powder coal-second material mixture is processed in order to produce a polymer containing precursor. The processing can include granulating or densifying the powder coat-second material mixture. After the precursor has been produced, it can be placed within a molding machine and a solid component is molded. The molding machine can be an injection molding machine, an extrusion molding machine or a blow molding machine.Type: GrantFiled: April 25, 2012Date of Patent: December 24, 2013Assignee: PFR Patent Holding Company, LLCInventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 8536238Abstract: A process for the preparation of thermal insulation sheets fashioned from certain unseparated mixtures of post-consumer plastic articles is disclosed. The mixtures of such articles contain polyethylene terephthalate (PET) and polystyrene (PS) and optionally also articles made of high density polyethylene (HDPE). An unseparated mixture of such articles is provided. This mixture is crushed and shredded to form plastic flakes, and these plastic flakes are then homogenized. Homogenization of the flakes can be carried out either by melt-blending them or by further comminution to produce very fine particles of the mixed plastics. The resulting homogenized mixture of plastic types is then compression molded into sheets.Type: GrantFiled: July 23, 2010Date of Patent: September 17, 2013Assignee: King Abdulaziz City for Science and TechnologyInventor: Fares D. Alsewailem
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Patent number: 8535583Abstract: The invention relates to a hydraulic binder product [12, 10] which includes a mixture of a hydraulic binder [38, 202], a polyvinyl alcohol [14, 204] and a gelling agent [54] which reacts with the polyvinyl alcohol and a method [8] of producing same.Type: GrantFiled: July 27, 2005Date of Patent: September 17, 2013Assignee: Tower Technology Holdings (Pty) Ltd.Inventor: Michael Windsor Symons
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Publication number: 20130181364Abstract: A method of forming a film (1) of molten polymer material, by extruding said material in a direction (2) out of a narrow exit slot (3), which is an integral part of a wider die chamber (4) of which the major dimension of extension is parallel with the major dimension of the exit slot (3), characterized in that the molten polymer material is formed into one or more flows generally parallel with said major dimension of the exit slot (3), each said flow being pumped in a re-circulating arrangement from the chamber inlet (7) to the outlet (8) through conduits connecting the inlet to the outlet, while fresh molten polymer material is administered from a reservoir into each re-circulating flow.Type: ApplicationFiled: June 17, 2011Publication date: July 18, 2013Inventor: Ole-Bendt Rasmussen
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Patent number: 8388873Abstract: A method for the recycling of all types of waste plastic, in particular mixed plastic (MP), in which compactate, in particular agglomerate, is ground from flakes or other plastic parts in at least one refiner stage in the presence of water, from which fine particles are removed from the ground material emerging from the refiner stage with the process water, the remaining ground material is washed and/or mechanically dehydrated and dried or the dehydrated ground material is again ground in another refiner stage in the presence of water and then dehydrated and dried, wherein the grinding of the compactate is performed in at least one refiner stage using a disk refiner (toothed disk refiner), the disks of which have engaging teeth, which are arranged separated on concentric circles, wherein there is a hole between neighboring teeth of a circle and the holes of a circle are each big enough that the particles to be ground or ground up to that point can pass through freely.Type: GrantFiled: November 15, 2007Date of Patent: March 5, 2013Assignee: CVP Clean Value Plastics GmbHInventors: Michael Hofmann, Alexander Gercke
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Patent number: 8168688Abstract: A process for making a solid component out of recycled paint sludge is provided. The process can include providing a paint sludge and providing a second material. Thereafter, the paint sludge and the second material are mixed to produce a paint sludge-second material mixture. The paint sludge-second material mixture is processed in order to produce a polymer containing precursor. The processing can include granulating or densifying the paint sludge-second material mixture. After the precursor has been produced, it can be placed within a molding machine and a solid component is molded. The molding machine can be an injection molding machine, an extrusion molding machine or a blow molding machine.Type: GrantFiled: March 6, 2009Date of Patent: May 1, 2012Inventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 8106104Abstract: A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially homogeneous mixtures of a desired particle size range that are characterized according to their respective apparent densities, and are thereafter blended to produce a mixed plastic feed material having a plastic content predetermined to be desirable for reprocessing into at least one of such useful articles.Type: GrantFiled: July 21, 2008Date of Patent: January 31, 2012Assignee: Advanced Environmental Recycling Technologies, Inc.Inventors: Joe G. Brooks, Christopher Lynn Becker
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Patent number: 8106103Abstract: A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially homogeneous mixtures of a desired particle size range that are characterized according to their respective apparent densities, and are thereafter blended to produce a mixed plastic feed material having a color predetermined to be desirable for reprocessing into at least one of such useful articles.Type: GrantFiled: July 21, 2008Date of Patent: January 31, 2012Assignee: Advanced Environmental Recycling Technologies, Inc.Inventors: Joe G. Brooks, Christopher Lynn Becker
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Patent number: 8101100Abstract: A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially homogeneous mixtures of a desired particle size range that are characterized according to their respective apparent densities, and are thereafter blended to produce a mixed plastic feed material having a target density predetermined to be desirable for reprocessing into at least one of such useful articles.Type: GrantFiled: July 21, 2008Date of Patent: January 24, 2012Assignee: Advanced Environmental Recycling Technologies, Inc.Inventors: Joe G. Brooks, Christopher Lynn Becker
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Patent number: 8080191Abstract: A polymer blend has a base and blend components. The base and blend components could be a branched slow crystallizing PET and a faster crystallizing PET, respectively. The ratio of base and blend components result in a block copolymer, the melt processing time and branching or chain extender levels can be can be tailored to impart the polymer blend with sufficient melt strength and crystallization rates, such that it is slow enough during the blow molding process to produce a clear article and yet fast enough during the subsequent PET recycling process making it suitable for extrusion processes as well as for recycling. The combination of materials can be used to form monolayer or multilayer articles.Type: GrantFiled: October 19, 2007Date of Patent: December 20, 2011Assignee: PepsiCo, Inc.Inventors: Clarence Sequeira, Said Farha
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Patent number: 7968022Abstract: A method for reformulating reclaimed, contaminated mixed waste plastics into useful articles wherein a plurality of batches of the mixed waste plastics are preprocessed to produce substantially homogeneous mixtures of a desired particle size range that are characterized according to their respective apparent densities, and are thereafter blended to produce a mixed plastic feed material having a rheology predetermined to be desirable for reprocessing into at least one of such useful articles.Type: GrantFiled: July 21, 2008Date of Patent: June 28, 2011Assignee: Advanced Environmental Recycling Technologies, Inc.Inventors: Joe G. Brooks, Christopher Lynn Becker
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Publication number: 20100155979Abstract: A method for the recycling of all types of waste plastic, in particular mixed plastic (MP), in which compactate, in particular agglomerate, is ground from flakes or other plastic parts in at least one refiner stage in the presence of water, from which fine particles are removed from the ground material emerging from the refiner stage with the process water, the remaining ground material is washed and/or mechanically dehydrated and dried or the dehydrated ground material is again ground in another refiner stage in the presence of water and then dehydrated and dried, wherein the grinding of the compactate is performed in at least one refiner stage using a disk refiner (toothed disk refiner), the disks of which have engaging teeth, which are arranged separated on concentric circles, wherein there is a hole between neighboring teeth of a circle and the holes of a circle are each big enough that the particles to be ground or ground up to that point can pass through freely.Type: ApplicationFiled: November 15, 2007Publication date: June 24, 2010Applicant: CVP CLEAN VALUE PLASTICS GMBHInventors: Michael Hofmann, Alexander Gercke
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Publication number: 20090275687Abstract: A process for making a solid component out of recycled paint sludge is provided. The process can include providing a paint sludge and providing a second material. Thereafter, the paint sludge and the second material are mixed to produce a paint sludge-second material mixture. The paint sludge-second material mixture is processed in order to produce a polymer containing precursor. The processing can include granulating or densifying the paint sludge-second material mixture. After the precursor has been produced, it can be placed within a molding machine and a solid component is molded. The molding machine can be an injection molding machine, an extrusion molding machine or a blow molding machine.Type: ApplicationFiled: March 6, 2009Publication date: November 5, 2009Inventors: Dan Chrzanowski, Brandon Chrzanowski
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Patent number: 6613283Abstract: A vial pack cover, a vial pack kit, and a method for forming the vial pack cover is provided. The vial pack cover can simultaneously cover a plurality of containers while preventing the contents of the containers from degrading or permeating through the cover. In addition, the vial pack cover allows a user to access individual containers without having to remove the cover from the un-accessed containers. The vial pack cover generally includes: (1) a plurality of plug portions joined together and formed from a heat curable rubber; and (2) a barrier layer covering each of the plug portions.Type: GrantFiled: January 2, 2001Date of Patent: September 2, 2003Assignee: Specialty Silicone Products, Inc.Inventor: Ned J. Reo
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Patent number: 6544447Abstract: This invention generally relates to the formulation of thermoplastic pellets from a combination of raw sludge material from a paper mill with thermoplastic material from post industrial or consumer sources. Initially, waste raw sludge material is transported via a conveyor to a dryer for removal of excess water. The waste thermoplastic material is preferably shredded into a desired size and transported to a densifier. The dried sludge is added to the densifier where the shredded thermoplastic material and dried sludge is suitably mixed with additive agents. The mixed sludge and shredded thermoplastic material is then transported to a grinder for grinding. The ground material is then transported to a hopper for introduction into an extruder. The ground combined material is then subjected to an extrusion process for the formulation of thermoplastic pellets having supplemental fibers to enhance the properties for use as starting material in an injection molding process.Type: GrantFiled: March 29, 2000Date of Patent: April 8, 2003Inventor: Thomas C. Faerber
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Patent number: 6323262Abstract: In a continuous process for producing filler-containing silicone compositions (P), a silicone composition (E) comprising filler (F1) is mixed with filler (F2).Type: GrantFiled: February 25, 2000Date of Patent: November 27, 2001Assignee: Wacker-Chemie GmbHInventors: Frank Achenbach, Manfred Heisler, Armin Fehn, Christof Wörner
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Patent number: 6312639Abstract: Processing aids comprising amorphous particulate silicates containing from about 2% to about 50% water, are utilized in processes for compounding thermoplastic resins, allowing higher levels of additives to be more effectively incorporated into the thermoplastic resins. The processing aids allow greater dispersion of pigments and other additives in compounded thermoplastic resins and concentrates.Type: GrantFiled: October 26, 2000Date of Patent: November 6, 2001Assignee: Cylatec, Inc.Inventors: Raymond T. Ertle, Raymond J. Ertle