| Patents for B29B 17 - Recovery of plastics or other constituents of waste material containing plastics (10,267) |
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| 10/08/1993 | CA2093073A1 Sheet material |
| 10/07/1993 | DE4317066A1 Decontamination of mixed disintegrated plastic scrap - by conveying upwards by enclosed screw and feeding surfactant washing soln. on at midpoint, using top half of screw with reduced pitch |
| 10/07/1993 | DE4306447A1 Prodn. of moulding from recycled rigid polyurethane foam - by disintegrating and drying, screw mixing with isocyanate, filling into moulds, compressing, externally heating in moulds and pressing |
| 10/05/1993 | US5250131 Method for recovering metal reinforcement from rubber tires |
| 09/30/1993 | DE4305006A1 Automatic handling, sorting and sepn. of waste material - preliminarily sorts by size, density or volume and secondarily identifies by spectrographic analysis, for reclaiming recyclable items |
| 09/30/1993 | DE4200241A1 Extruded expanded cellulosic packaging bodies - made by extruding cellulose pulp, fibre residues, powder, etc., swelling agent and starch prods. with drop in temp. and pressure to cause expansion upon extrusion |
| 09/23/1993 | DE4209015A1 Transporting plastic containers for recycling - using hot press to compress containers to give more compact load on vehicles |
| 09/22/1993 | EP0561187A1 Blow moulded container of blends of recycled high density polyethylene and linear low density polyethylene |
| 09/21/1993 | US5246754 Post pole or beam made from recycled scrap material |
| 09/21/1993 | US5246172 Water nozzle equipped tire shredder |
| 09/21/1993 | US5246116 Method and apparatus for separation and recovery of the components from foil-containing laminates |
| 09/21/1993 | US5246115 Process for separating heterogeneous plastic material into homogeneous fractions and apparatus useful to this purpose |
| 09/20/1993 | WO1993018902A1 Device for processing synthetic thermoplastic material |
| 09/16/1993 | WO1993017852A1 Process and devices for separating thermoplastic components from a mixed stream |
| 09/16/1993 | WO1993017851A1 Use of powder coating material |
| 09/16/1993 | DE4207370A1 Removal of plant protectants from plastic esp. polyethylene@ containers - by extn. of plant protectant by contacting container with material which diffuses into plastic and dissolves protectant, etc. |
| 09/15/1993 | EP0560580A2 Railroad ties made of recycled tire fragments |
| 09/15/1993 | EP0559976A1 Recycling of barrier polystyrene foam scrap |
| 09/10/1993 | CA2091282A1 Railroad ties made of recycled tire fragments |
| 09/09/1993 | DE4236581A1 Recycling plastic material(s) |
| 09/09/1993 | DE4206976A1 Sorting of thermoplastic particles - using heated drum made of thin sheet metal supported in rings and driven in synchronism |
| 09/08/1993 | EP0558528A1 Machine for recycling plastic containers, in particular bottles. |
| 09/07/1993 | US5243020 Process for the continuous production of high molecular weight polyester resin |
| 09/02/1993 | WO1993016855A1 Process and device for removing a reflecting layer from a recording medium |
| 09/01/1993 | EP0557895A1 Method for separating a mixture of two plastics with similar specific gravities |
| 09/01/1993 | EP0557816A2 Method and plant for separating comminuted plastic materials of dissimilar chemical composition and different density |
| 09/01/1993 | EP0557738A1 Method and apparatus for separation of plastic components and use of the method for extraction or recyclable plastic components from industrial and/or domestic waste |
| 09/01/1993 | EP0557502A1 Process for separating fibres from composite materials |
| 08/31/1993 | US5240656 Treatment of waste |
| 08/31/1993 | US5240530 Fixing tufts to backing so that they protrude from top surface; fusing to heated sheet; collecting; melting to recycle |
| 08/29/1993 | CA2090510A1 Method for separating a mixture of two plastics with similar specific gravities |
| 08/26/1993 | DE4205390A1 Verfahren zum entfernen einer reflektierenden schicht von einem aufzeichnungstraeger sowie vorrichtung zum durchfuehren dieses verfahrens A method for removing a reflective layer of a record carrier and device for carrying out said method |
| 08/25/1993 | EP0556774A2 Biodegradable molded articles |
| 08/25/1993 | EP0556282A1 Improvements in or relating to the treatement of waste |
| 08/24/1993 | US5238734 Railroad ties made of recycled tire fragments |
| 08/24/1993 | US5238633 Method and apparatus for recycling plastic waste into a thin profile, mechanically reinforced board |
| 08/19/1993 | WO1993016009A1 Process and installation for producing materials with modified properties |
| 08/19/1993 | WO1993015909A1 Carpet and techniques for making and recycling same |
| 08/19/1993 | DE4204176A1 Disposing of polyurethane-contg. composite materials - by contacting material with basic fluid which degrades the polyurethane, and sepg. other components |
| 08/19/1993 | CA2128524A1 Carpet and techniques for making and recycling same |
| 08/18/1993 | EP0555784A1 Device for sorting mixtures of solids |
| 08/18/1993 | EP0555568A1 Process for making a foam material |
| 08/18/1993 | EP0555254A1 Process for treating lacquer coagulates and their use |
| 08/17/1993 | US5236655 Process for processing plastic waste into blocks |
| 08/17/1993 | US5236603 Grinding, air classifying, cold water washing, drying, hot water washing, dewatering, centrifuging, drying |
| 08/17/1993 | US5236352 Immersing the scrap tires in slurry of liquified rubber and fiber |
| 08/17/1993 | US5236133 Method of container label removal |
| 08/17/1993 | US5235888 Tire sidewall cutting machine |
| 08/12/1993 | DE4303500A1 Plastics sepn. for polyvinyl chloride and polyethylene terephthalate bottles - by sepg. hollow components contacting heated body and with lower softening point w.r.t. various physical properties e.g. elasticity |
| 08/11/1993 | WO1993015892A1 Device for granulating plastics |
| 08/11/1993 | EP0554964A1 Degassing of PUR-foam |
| 08/11/1993 | EP0554785A1 Method for recycling used magnetic tape cassettes |
| 08/11/1993 | EP0554646A1 Device for compressing plastic bottles, PVC bottles or the like, after such bottles have been emptied |
| 08/11/1993 | CN1075116A Reproduction technology for leftover bits and pieces of card-protecting film |
| 08/10/1993 | US5234171 Apparatus comprising crushers to reduce the size, conveyor belts to transport, magnetic separator and screens |
| 08/05/1993 | WO1993014915A2 Method and device for the collection and regranulation of waste containing drawn plastics |
| 08/05/1993 | DE4202586A1 Metal esp. heavy metal and plastics components recovery from e.g. dental cassette - by dissolving plastics in basic soln., flocculation with acid and sepn. and removing sedimented metal from soln. for e.g. amalgam |
| 08/04/1993 | EP0553793A2 Apparatus and method for the wet-mechanical treatment of solids |
| 08/04/1993 | EP0553787A1 Process for reusing plastic articles with coatings |
| 08/04/1993 | EP0553683A1 Process for the recovery of polymers dissolved in an aqueous alkaline or acid medium |
| 08/04/1993 | EP0553404A1 Process for re-using residues produced during the production of friction linings |
| 08/04/1993 | EP0553320A1 Method of separating polyethylene (pe) and polypropylene (pp). |
| 08/04/1993 | EP0553319A1 Method of separating a mixture of plastics comprising at least three components using electrostatic techniques. |
| 08/04/1993 | EP0553315A1 Method of separating poly(ethylene terephthalate) (pet) and poly(vinyl chloride) (pvc). |
| 08/04/1993 | EP0504398A4 A computer-controlled system and method for sorting plastic items |
| 08/04/1993 | EP0489103B1 A method for removing, condensing and collecting propellants from foam materials and other materials for which the method is suitable in an environmentally friendly manner |
| 08/03/1993 | US5233021 Recycling of polymeric materials from carpets and other multi-component structures by means of supercritical fluid extraction |
| 08/03/1993 | US5232489 Process for the recovery of metals and coating materials from composite materials |
| 07/29/1993 | DE4202095A1 Vol. redn. of scrap plastic and process machinery - by pelletising oriented thermoplastic and heating to promote shrinkage in single transportable machine |
| 07/28/1993 | CN2139119Y Direct heating rubber devulcanizer |
| 07/27/1993 | US5230473 Carpet reclaimer |
| 07/22/1993 | WO1993014154A1 Method of processing plastic waste |
| 07/22/1993 | WO1993013858A1 Roller device for crumbling stripes of carcasses of worn tires |
| 07/22/1993 | DE4200949A1 Cutting up used tyres of any size and recovering most of rubber - by machine which rotates held and mounted tyre, applies first cutter to peel off rubber, then second cutters to remove tread and sidewalls |
| 07/22/1993 | DE4200915A1 Verfahren zum aufarbeiten von nicht sortenreinen kunststoffabfaellen Method of work up of non-variety kunststoffabfaellen |
| 07/22/1993 | DE4200827A1 Efficient sorting of mixed rubber or plastics scrap - by machine which feeds it to violent upward air vortex in stages whose action breaks it up for screening and transfer to cyclone |
| 07/22/1993 | DE4200400A1 Component mfr. for roof tiles of similar size and weight of clay |
| 07/22/1993 | CA2125777A1 Process for reprocessing plastic wastes |
| 07/21/1993 | EP0551655A1 Method for crushing scrap plastics or organic natural polymers |
| 07/21/1993 | CN2138529Y Automatic washing dewatering and recovering device for plastic waste materials |
| 07/15/1993 | DE4200584A1 Sepn. of thermoplastic materials by heated conveyor - has temp. controlled by varying cooling time between heater and feed position |
| 07/14/1993 | EP0550800A2 Method for manufacturing molded products using an extruder and a mold, and equipment to be used therewith |
| 07/13/1993 | US5226926 Plastic and oil waste processing method |
| 07/11/1993 | CA2086780A1 Process for size-reducing solid organic polymers |
| 07/06/1993 | US5226065 Device for disinfecting medical materials |
| 07/06/1993 | US5225137 Bottle recycling apparatus and method |
| 07/06/1993 | US5225130 Process for reclaiming thermally strained polyester scrap material |
| 07/06/1993 | CA2038481C Method and apparatus for recycling thermoplastic containers |
| 07/01/1993 | CA2058655A1 Method and apparatus for cleaning thermoplastic material for reuse |
| 06/30/1993 | EP0549497A1 Process and plant for recycling plastics |
| 06/29/1993 | US5223544 Process for the removal of foreign materials from a post-consumer plyethylene terephthalate feed stream |
| 06/29/1993 | US5223199 Passing through rotary flow channel to increase bulk density without melting or thermal degradation |
| 06/25/1993 | CA2058528A1 Method and apparatus for processing used batteries |
| 06/24/1993 | DE4142107A1 Recovery of metals from scrap esp. underground cable - with different non-ferrous metals separated by m.pt. in revolving tube furnace, after removal of ferrous metal |
| 06/23/1993 | EP0547479A2 Process for cracking polycarbonates |
| 06/23/1993 | EP0547249A1 Method of regenerating coated plastic wastes |
| 06/22/1993 | US5221708 Use of recovered polyvinyl butyral in the manufacture of flooring |
| 06/22/1993 | US5220754 Recovered compact disk and a method and an apparatus for recovery thereof |
| 06/17/1993 | DE4218216C1 Large area gas block - has layer of water-retaining material between layers of cement-bonded leather and textile waste |
| 06/12/1993 | WO1993011885A1 Process and device for disposing of foamed material including blowing agent, especially foams like polyurethane used as insulators in refrigerators |