| Patents for B29B 17 - Recovery of plastics or other constituents of waste material containing plastics (10,267) |
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| 04/21/1994 | DE4334453A1 Plastic foam components - comprise parts consolidated thermally to higher density than elsewhere and preferably contain reused scrap foam with e.g. flame retardant. |
| 04/21/1994 | DE4308685A1 Equipment for sepg. e.g. metal scrap from thermoplastics - has revolving shaft with scrapers lying inside perforated filter cylinder, so that retained metal is passed by scrapers to second outlet. |
| 04/21/1994 | DE4234636A1 Separating process for plastic mixts. and process appts - uses centrifuge with internal dam, behind which heavier material sinks to outer wall for removal and lighter material and fluid flow over dam lip |
| 04/20/1994 | EP0592738A1 Bottle recycling method and apparatus |
| 04/20/1994 | CA2106712A1 Method for recovering pvc and urethane foam from commingled trim waste using elutriators |
| 04/19/1994 | US5303826 Method and apparatus for separating different plastic products |
| 04/19/1994 | US5303661 Dry process for speedy and continuous recycling discarded rubber |
| 04/14/1994 | WO1994007672A1 Apparatus and process for recycling scrap film |
| 04/14/1994 | WO1994007671A1 Apparatus and process for washing and shredding film |
| 04/14/1994 | WO1994007670A2 Cryogenic processing of used tires and other materials |
| 04/14/1994 | WO1993020125A3 Process for the removal of foreign materials from a post-consumer polyethylene terephthalate feed stream |
| 04/14/1994 | DE4313977A1 Plastics waste recovery - by passing shredded separated matter through an extruder to be formed into pellets. |
| 04/14/1994 | DE4233740A1 Separating metal-crosslinked polyethylene@ composites - by swelling the polyethylene@ with alkane, esp. dodecane, at elevated temp. and thus separating the components |
| 04/14/1994 | CA2146327A1 Cryogenic processing of used tires and the like |
| 04/13/1994 | EP0591266A1 Method of reclaiming rubber from vehicle tyres |
| 04/12/1994 | US5301881 System for disposing waste |
| 04/12/1994 | US5301810 Method and apparatus for removing plastic from wood chips |
| 04/07/1994 | DE4233619A1 Sorting device to separate bulky scrap e.g. mixed plastics - draws air up through centre tube in the material inside funnel fitted with fixed and moving baffles to draw up lighter fractions |
| 04/07/1994 | DE4233372A1 Washing contaminated thermoplastic film strips - by passing with liquid through hydrocyclone, sepg liq and disintegrating film, filtering and partly recirculating liq |
| 04/06/1994 | EP0590729A1 Production of sheet from polymer waste |
| 04/06/1994 | EP0590189A1 Tile-shaped carpet |
| 04/05/1994 | US5300267 Reclaimer apparatus |
| 04/05/1994 | US5299748 Apparatus and method for reducing vehicle tires to particles |
| 04/05/1994 | US5299744 Granulating, separating and classifying rubber tire materials |
| 04/02/1994 | CA2107266A1 Production of sheet from polymer waste |
| 03/31/1994 | WO1994006854A1 Method of and apparatus for regenerating waste polyvinyl chloride |
| 03/31/1994 | WO1994006763A1 RECLAIMING ε-CAPROLACTAM FROM NYLON 6 CARPET |
| 03/31/1994 | WO1994006609A1 Process and device for recycling emptied plastic cartridges for dispensing viscous, setting plastics |
| 03/31/1994 | DE4243229C1 Cleaning of shredded synthetic waste |
| 03/31/1994 | DE4232187A1 Separation of photosensitive layer from carrier on printing plate and process appts. - uses PTFE coated band knife running it guides and supplied with lubricant. |
| 03/31/1994 | CA2123679A1 Method and apparatus for reclamation of waste polyvinyl chloride |
| 03/30/1994 | EP0589672A2 Method and apparatus for separation and recovery of the components from foil-containing laminates |
| 03/30/1994 | EP0589444A1 Process and apparatus conditioning reusable plastic material |
| 03/30/1994 | EP0589321A1 Rolling device for shredding plastic materials |
| 03/30/1994 | CN1084527A Method and apparatus for regeneration of waste polyvinyl chloride |
| 03/29/1994 | US5298128 Process for recovering polyurethane from polyurethane waste pastes |
| 03/29/1994 | US5297741 Process for disintegration and pure-sorted separation of recyclable different plastics of composite structural parts |
| 03/25/1994 | CA2106649A1 Roller unit for comminuting synthetic materials |
| 03/24/1994 | DE4231872A1 Verfahren und Vorrichtung zum Verwerten entleerter Kartuschen aus Kunststoff für das Ausbringen zähflüssiger, erstarrender Kunststoffe Method and apparatus for recycling of empty cartridges made of plastic for application of viscous, solidifying plastics |
| 03/24/1994 | DE4222710A1 Production of plastic components from used barely recyclable material - by adding material and e.g. binder to container, tilting to drop it on to mould plate, repeating procedure as required and hot pressing |
| 03/23/1994 | EP0588109A1 Method and device for sorting mixtures of solids |
| 03/23/1994 | EP0588023A1 Process for the production of a composite particle object and object so obtained |
| 03/23/1994 | CN1084116A Method for producing toughened rubber and its products |
| 03/23/1994 | CA2106511A1 Method and apparatus for separation and recovery of the components from foil-containing laminates |
| 03/22/1994 | US5295582 Recycling post consumer plastic products |
| 03/17/1994 | DE4305072A1 Processing metal-plastic cpd. sheeting |
| 03/17/1994 | DE4230572A1 Recycling waste from polymeric materials - by subjecting materials to mechanical shearing and pressure at original crosslinking temp. |
| 03/16/1994 | EP0586644A1 Method of recycling rigid expanded polyurethane. |
| 03/16/1994 | EP0586399A1 Method for recycling plastic coated paper product waste and polymeric film |
| 03/15/1994 | US5294384 Thermoplastic composition and method for producing thermoplastic composition by melt blending carpet |
| 03/10/1994 | DE4229711A1 Phenolic resin laminates with good cutting and embossing properties - by impregnating paper etc. with phenolic resin soln. contg. recycled or scrap polyvinyl-butyral, then drying and hot-pressing as usual |
| 03/08/1994 | US5292075 Separating liner from absorbent filler |
| 03/03/1994 | DE4233600C1 Treatment of plastic wastes contg. metallic or organic impurities - involves washing with aq. alkaline medium to provide material useful as additive for building materials |
| 03/03/1994 | DE4228504A1 Process for sorting pre-sorted mixed wastes - using magnetic and gravity sepn. and flotation |
| 03/02/1994 | EP0584612A1 Recycled polystyrene molding |
| 03/02/1994 | EP0584501A1 Method of reclaiming a plastic product having a paint film |
| 03/01/1994 | WO1994006608A1 Process and device for mechanically removing a layer from the substrate material of a disk-shaped information carrier |
| 03/01/1994 | US5290505 Moving chopped sheet material in solvent for adhesive under mechanical action to disperse adhesive in solvent, separating adhesive dispersed in solvent from chopped material by mechanical force |
| 03/01/1994 | US5290493 Forming solution of poly/meth/acrylic acid, copolymer of acrylic acid or its salt, or vinyl alcohol-vinyl acetate copolymer; heating; spraying onto core of same resin to form polymer suspension; forming concentrate and recycle portion |
| 03/01/1994 | US5290401 Method and a device for separating plastic particles from supensions |
| 03/01/1994 | US5290380 Method for recovering breaker metal cord threads from tires |
| 03/01/1994 | US5289978 Apparatus for continuous container label removal |
| 03/01/1994 | US5289922 Electrostatic separation of mixed plastic waste |
| 02/24/1994 | DE4304551C1 Continuous removal of organic coating, e.g. resin, from steel pipe - involves heating pipe with a medium frequency induction coil and burning off to remove coating completely without thermally degrading steel |
| 02/23/1994 | EP0583595A1 Impact resistant, optionally filled polyamide mixtures with polyamide-polyethylene laminated film wastes |
| 02/23/1994 | EP0583553A1 Process for preparing waste bituminous roofing material |
| 02/23/1994 | EP0583504A1 Method and apparatus for producing laminated panels for compression moulded automobile interior linings and panels thus produced |
| 02/22/1994 | US5288929 Method for removing, condensing and collecting propellants from foam materials |
| 02/22/1994 | US5288760 Grinding, separation of layers |
| 02/22/1994 | US5288349 Fixing tufts to backing; extruding sheet of thermoplastic isotactic polymer; fusion to tufts or backing |
| 02/18/1994 | EP0591266A4 Method of reclaiming rubber from vehicle tyres. |
| 02/18/1994 | CA2100855A1 Method of processing residual materials from bituminous roofing |
| 02/17/1994 | WO1994003323A1 Method of recycling molded product of foam particles |
| 02/17/1994 | WO1994003315A1 Process for separating plastics/non-metal composite systems |
| 02/17/1994 | DE4236123C1 Low power consumption equipment to separate and dry plastic chips etc. - moves particles on perforated conveyor belt to elastomer squeeze rollers and finally complete drying process with hot air draught |
| 02/17/1994 | DE4226837A1 Cooling sheet of extruded thermoplastic and paper waste - uses endless steel band to support sheet while cooling |
| 02/16/1994 | CN1082196A A method and system for sampling and determining the presence of compounds in containers |
| 02/15/1994 | US5286321 System and method for densifying expanded plastic foam materials |
| 02/10/1994 | DE4322298A1 Verfahren zur Auftrennung von Kunststoff-Nichtmetall-Verbundsystemen A process for the separation of non-metal-plastic composite systems |
| 02/10/1994 | DE4302276C1 Recovering masks after spraying car e.g. underseal(s) with plasticised PVC - by using hard PVC masks, removing them after the spraying, heating to drive off plasticiser and grinding down to granules for reuse |
| 02/09/1994 | EP0582300A1 Method and plant for continuously recycling waste parts with a coating made of synthetic resin |
| 02/08/1994 | US5284625 Feeding particles under pressure through a reactor exit bore whose longitudinal axis is aligned with that of an ultrasonic horn; recycled tires; cleavage of sulfur and carbon bonds |
| 02/03/1994 | DE4235294A1 Processing metal-plastic cpd. sheeting |
| 02/03/1994 | DE4224749A1 Efficiently removing all blowing gases from foam plastics - by heating the material in hot air draught while it is moved by revolving screw up inclined tube, collecting and liquefying gases liberated. |
| 02/02/1994 | EP0581089A2 Method for treating metal-plastic composites |
| 02/02/1994 | EP0580625A1 Process for the separation, by polymer type, of moulded thermoplastics articles of different provenance |
| 01/27/1994 | DE4325948A1 Valuable materials recovery from domestic refuse utilising dual system - by magnetic sepn., chopping waste, feeding in heated rotating drum and agglomerating of e.g., plastics and elasto plastic components, and disposal |
| 01/27/1994 | DE4225977C1 Plastics particles sepn. from mixt. contg. various types and paper - by chopping, dry sifting, wind sifting medium and coarse fractions to remove paper and electrostatic sepn. of these and fine fraction |
| 01/27/1994 | DE4224702A1 Elastic back layer prodn. for carpet, for improved consistency mixt. - by using carpet waste mixed with polyurethane binder and added old rubber granulate from tyres prior to and/or in binding phase for completed prod. |
| 01/27/1994 | DE4224535A1 Temporary deposit of recoverable water-soluble material - involves mixing with water-insoluble material, melting, plasticising and shaping, prior to burning leaving valuable material in ash-form |
| 01/27/1994 | DE4223864A1 Polyamide mixts. with scrap polyamide-polyolefin cpd. film - also contain special compatibiliser, esp. e.g. ethylene@]- maleic anhydride] copolymer or ethylene@]-butyl acrylate]-glycidyl acrylate] copolymer |
| 01/26/1994 | EP0580519A1 Method and device for the obtention of stabilized molded materials from waste |
| 01/25/1994 | US5280837 Door for an improved separation device |
| 01/25/1994 | CA1326338C Increased regrind usage in coextruded structures |
| 01/20/1994 | WO1994001491A1 Method for recovering a synthetic waste material contaminated with other materials |
| 01/20/1994 | WO1994001266A1 Manufacturing process and composite tile of plastic material of recovery obtained by said process |
| 01/20/1994 | WO1994001219A1 Process and device of gravity concentration of solid materials |
| 01/20/1994 | DE4222598A1 Disposal of films carrying information by treatment with solvent - comprises removing information layer, followed by disposal or reuse of film |
| 01/20/1994 | CA2116440A1 Process for the valorization of synthetic material wastes contaminated with others materials |
| 01/19/1994 | EP0578727A1 Method and apparatus of sorting plastic items. |