| Patents for B29B 17 - Recovery of plastics or other constituents of waste material containing plastics (10,267) |
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| 09/17/1991 | US5048764 Apparatus for comminuting solid waste |
| 09/12/1991 | DE4004336C1 Safe recovery of materials from cold storage cabinets - by fragmenting cabinets in closed area, pulverising polyurethane foam to release CFC gas for extn. and moulding foam residue into briquettes |
| 09/11/1991 | CN1054393A Production of ash pail by use of waste tyre |
| 09/04/1991 | EP0444330A2 Method for laminating reinforced thermoplastic strips and a beam thus produced |
| 09/04/1991 | EP0444179A1 Process for the separation and recovery of plastics |
| 09/03/1991 | CA1288207C Apparatus and process for making pressboard from poly-coated paper |
| 08/29/1991 | DE4007926C1 Component prodn. e.g. window sills, etc. - involves mixing plastic waste material contg. glass fibres with thermoplastic material and hardening |
| 08/28/1991 | EP0443961A1 Device for plastic waste pre-treatment before its recycling |
| 08/28/1991 | EP0443051A1 Method of producing a glass-fibre polyester composite thermosetting moulding material and apparatus for carrying out the process |
| 08/27/1991 | US5042725 Method for recovering PVC and urethane foam from automotive interior trim waste |
| 08/27/1991 | US5042634 Collection and recycling unit for used containers |
| 08/22/1991 | DE4104196A1 Recycling thermoset plastics waste esp. polyurethane and polyurea |
| 08/22/1991 | DE4004587A1 Recovery of polystyrene from scrap foam - granulated foam is compressed in several steps in chamber while steam is added |
| 08/21/1991 | EP0442435A2 Method for recovering wasted or old articles from cross-linked plastic, mainly from polyurethane or polyurea |
| 08/21/1991 | EP0442113A2 Method and plant for the disposal of refrigerators |
| 08/21/1991 | EP0442027A2 Process of material recovery for one-way-packs and arrangement for working of this process |
| 08/14/1991 | EP0441012A2 Method for sorting plastic articles |
| 08/14/1991 | DE4004300A1 Sepn. of particulate plastic materials of different softening points - by feeding them to a heated moving substrate to which the lower softening point particles adhere, and from which they are then removed |
| 07/30/1991 | US5035858 Method for disinfecting medical materials |
| 07/30/1991 | US5035089 Blast media recovery and cleaning system |
| 07/17/1991 | EP0436871A2 Method for plastic reclaiming, especially for polyurethane or polyuren |
| 07/16/1991 | US5032072 Device for producing shaped objects from thermoplastic plastics |
| 07/11/1991 | DE4040204A1 Recycling polyurethane or polyurea scrap - by disintegrating, removing unwanted material in cyclone, heating in an air draught, and forcing under pressure into mould |
| 07/09/1991 | US5030079 Roller die extrusion and calendering apparatus |
| 06/27/1991 | DE3939415C1 Appts. for prodn. of thermoplastic films and profiled sections etc. - comprises a worm extrusion press, a cylinder, prepn. press and worm prepn. unit |
| 06/26/1991 | EP0433638A2 Method and plant for the disposal of partly recycled refrigerators |
| 06/11/1991 | US5022985 Process for the separation and recovery of plastics |
| 06/06/1991 | DE4035782A1 Safe disposal of rubber coating soln. with tolueneharmful gases - in which soln. is coated onto heated drum in inert atmos. and cured to rubber strip while toluene is evaporated and collected |
| 06/06/1991 | DE4035781A1 Recovery of cleaning solvent, partic. benzyl alcohol- contg. rubber - in which solvent is evaporated in reservoir within closed chamber with inert atmos. and then condensed |
| 06/05/1991 | EP0430199A2 Process for preparing free-flowing mixtures of adhesive coated waste plastic material and the related mixtures |
| 06/05/1991 | CN1051880A Mehtod for separating and recovering the metallic conductor and plastics of waste electric wire and cable |
| 05/30/1991 | WO1991007264A1 Densifying apparatus for plastics material |
| 05/28/1991 | US5019310 From ashlike incinerated wastes; kneading, extrusion, solidification |
| 05/22/1991 | WO1991007270A1 A method and arrangement for producing an elongated beam |
| 05/16/1991 | DE3937618A1 Reusing scrap polystyrene foam - by reducing it to granules and hot pressing to uniform density prod.. in mould box with at least four walls pressed inwards |
| 05/16/1991 | DE3937249A1 Decorative mouldings from plastic scrap - by mixing crushed SMC and-or BMC scrap with curable thermosetting resin, hardener, opt. fillers, etc. and moulding and curing the mixt. |
| 05/08/1991 | EP0425800A1 Method of and device for separating synthetic resin foam from rigid, thin-walled articles lined with synthetic resin foam |
| 05/08/1991 | EP0299077A4 Method of obtaining rubber powder on the basis of natural or synthetic rubber |
| 05/08/1991 | DE3937009A1 Processing scrap plastic material - by mixing at least min. with non-plastic material, disintegrating, reducing to fine powder, heating above m.pt. and granulating |
| 05/08/1991 | CN1051263A System for reclaiming material from waste electric wire |
| 05/02/1991 | WO1991005818A1 Method and apparatus for recovering elastomeric material |
| 05/02/1991 | WO1991005616A1 Rotary screen for separating fines from low density particulates |
| 05/02/1991 | WO1991005572A1 Method for disinfecting medical materials |
| 05/02/1991 | DE4034144A1 Extrusion rolling machine |
| 05/02/1991 | DE3936083A1 Reducing extra-large sizes of tyre - by mounting vertically, forcing cutters to cut out rectangle, revolving half turn and repeating |
| 04/30/1991 | US5011087 Method of and apparatus for continuously treating comminuted synthetic plastic containers and products having contaminants bonded thereto for recycling purposes |
| 04/25/1991 | DE3844664C2 Articles, esp. panels, prepd. from hard polyurethane foam |
| 04/23/1991 | US5009586 Agglomerating apparatus for the continuous regranulation of thermoplastic wastes |
| 04/23/1991 | US5009331 Apparatus for separating elongated contaminants from a stream of material |
| 04/18/1991 | DE3933811A1 Environmentally friendly recovery of CFC gas from refrigerator foam - in which foam and plastic inner skin are granulated, compressed and gas is extracted and fluidised |
| 04/18/1991 | DE3933729A1 Methods of re-utilising scrap tyres - by mounting tyre on its beads, rotating it, applying one or more cutters to turn off corresp. strips and joining these end to end |
| 04/17/1991 | EP0422460A2 Method for separating and recovering layered plastics joined at an interface |
| 04/17/1991 | EP0422282A1 Process for the continuous production of high molecular weight polyester resin |
| 04/17/1991 | CN2075108U Crusher for plastic profile |
| 04/14/1991 | WO1991005815A1 Process for the continuous production of high molecular weight polyester resin |
| 04/14/1991 | CA2026285A1 Method for separating and recovering layered plastics joined at an interface |
| 04/09/1991 | US5005377 Scrap freezing tunnel |
| 04/04/1991 | WO1991004100A1 Process for the separation and recovery of plastics |
| 04/03/1991 | CN1050392A Composition of uaste wubber and plastic and wood flour and process for manufacturing same |
| 03/20/1991 | EP0417761A2 Process and apparatus for recycling aqueous fluid absorbents fines |
| 03/16/1991 | CA2025420A1 Process and apparatus for recycling aqueous fluid absorbents fines |
| 03/14/1991 | DE3929666A1 Recovering foam insulation materials - by compressing foam under tight vacuum, drawing off, cooling, liquefying and collecting fluoro:chloro:hydrocarbon(s) and removing cake |
| 03/12/1991 | US4999254 Reuse of scrap material in food packaging, ethylene-vinyl alcohol copolymers, polyvinylidene chloride, polypropylene |
| 03/06/1991 | EP0415258A2 Process for washing powdery and/or granular resins and a washing device therefor |
| 03/01/1991 | CA2023780A1 Process for washing powdery and/or granular resins and a washing device therefor |
| 02/28/1991 | DE3934969A1 Producing and recycling mass produced plastics prods. - by marking according to chemical compsn. to allow sorting and reprocessing after use |
| 02/27/1991 | EP0414439A2 Conversion of plastics |
| 02/22/1991 | WO1991002638A1 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 |
| 02/22/1991 | CA2064909A1 Method for removing, condensing and collecting propellants from foam materials and other materials for which the method is suitable in an environmentally friendly manner |
| 02/21/1991 | DE3927039A1 Sea-water resistant recycled extrusions - produced by cutting sections in the hot extrusion, filling cuts with injected e.g. polyamide reinforcements and passing through gauging tool |
| 02/20/1991 | CN1011701B Method for producing composite material of plastic and rubber |
| 02/20/1991 | CA2022470A1 Synthetic resin compacting apparatus |
| 02/13/1991 | EP0412935A1 Method of recycling non-sorted mixtures of used button cells and other metallic objects and further recuperating their metallic components |
| 02/12/1991 | US4991482 Apparatus and method for cutting rubber material |
| 02/09/1991 | CA2022763A1 Process for recycling an unsorted mixture of spent button cells and/or other metallic objects and for recovering their metallic components |
| 02/06/1991 | EP0411343A2 Method and apparatus for shaping unsorted polluted plastics |
| 02/01/1991 | CA2022365A1 Apparatus for reducing the volume of synthetic resin |
| 01/31/1991 | DE3924145A1 Recovery of steel and rubber from old tyres - by inductively heating steel cords to mechanically strip them from rubber |
| 01/24/1991 | WO1991000800A1 Process for producing panels or webs of laminated cellular thermoplastic material |
| 01/24/1991 | WO1991000795A2 Polystyrene recycling process |
| 01/23/1991 | EP0409525A2 Apparatus and method for making pressboard from poly-coated paper using relative movement of facing webs |
| 01/22/1991 | CA1279305C Comminuting device |
| 01/16/1991 | EP0407679A1 Mobile device for collecting and processing plastic containers and/or a heterogeneous plastic material |
| 01/16/1991 | EP0407439A1 A moulding compound and a method of manufacturing the compound. |
| 01/16/1991 | CN1011209B Method and equipment for crushing waste rubber scraps |
| 01/15/1991 | CA1279051C Tire processing apparatus and method |
| 01/08/1991 | US4983549 Method for recycling plastic composite materials |
| 01/01/1991 | US4981876 Method for separating and recovering layered plastics joined at an interface |
| 12/27/1990 | EP0329662B1 Device for processing plastic materials |
| 12/25/1990 | US4979682 Reclaiming synthetic |
| 12/12/1990 | EP0401885A1 Process for the reuse of solid waste by means of conglobation in thermoplastic resins |
| 11/23/1990 | WO1990014229A1 Process for reclaiming plastic containers |
| 11/23/1990 | CA2033091A1 Process for reclaiming plastic containers |
| 11/22/1990 | EP0398242A2 Apparatus for granulating of solids |
| 11/22/1990 | EP0397971A2 Method and plant for the non-pollutant recycling of refrigerators with foam parts, containing fluorocarbons, in particular polyurethane |
| 11/22/1990 | DE3915523A1 Separating laminated sheet, multilayer film etc. - by making parallel cuts through central polyurethane foam film, gripping strips obtd. and pulling them off foam layer |
| 11/21/1990 | CN2065975U Polypropylene plastics waste film reclaimed prill machine group |
| 11/14/1990 | EP0397280A1 A process and device for processing plastic waste into blocks |
| 11/13/1990 | US4970043 Process for forming thermoplastic material from granular scrap material |
| 11/12/1990 | CA2016540A1 Process and device for processing plastic waste into blocks |