WO1986000561A1 - Procede et appareil de recuperation de matieres plastiques - Google Patents

Procede et appareil de recuperation de matieres plastiques Download PDF

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Publication number
WO1986000561A1
WO1986000561A1 PCT/SE1984/000261 SE8400261W WO8600561A1 WO 1986000561 A1 WO1986000561 A1 WO 1986000561A1 SE 8400261 W SE8400261 W SE 8400261W WO 8600561 A1 WO8600561 A1 WO 8600561A1
Authority
WO
WIPO (PCT)
Prior art keywords
plastics
plastics material
inlet
outlet
waste film
Prior art date
Application number
PCT/SE1984/000261
Other languages
English (en)
Inventor
Uno Jonsson
Original Assignee
Maskin Ab Rapid
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Maskin Ab Rapid filed Critical Maskin Ab Rapid
Priority to PCT/SE1984/000261 priority Critical patent/WO1986000561A1/fr
Priority to JP59502878A priority patent/JPS61502664A/ja
Publication of WO1986000561A1 publication Critical patent/WO1986000561A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/04—Feeding of the material to be moulded, e.g. into a mould cavity
    • B29C31/10—Feeding of the material to be moulded, e.g. into a mould cavity of several materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B13/00—Conditioning or physical treatment of the material to be shaped
    • B29B13/10—Conditioning or physical treatment of the material to be shaped by grinding, e.g. by triturating; by sieving; by filtering
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • B29B17/0005—Direct recuperation and re-use of scrap material during moulding operation, i.e. feed-back of used material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/60—Component parts, details or accessories; Auxiliary operations for feeding, e.g. end guides for the incoming material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/58—Component parts, details or accessories; Auxiliary operations
    • B29B7/66—Recycling the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/7476—Systems, i.e. flow charts or diagrams; Plants
    • B29B7/7485—Systems, i.e. flow charts or diagrams; Plants with consecutive mixers, e.g. with premixing some of the components
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/74—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant
    • B29B7/78—Mixing; Kneading using other mixers or combinations of mixers, e.g. of dissimilar mixers ; Plant by gravity, e.g. falling particle mixers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/885—Adding charges, i.e. additives with means for treating, e.g. milling, the charges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C31/00—Handling, e.g. feeding of the material to be shaped, storage of plastics material before moulding; Automation, i.e. automated handling lines in plastics processing plants, e.g. using manipulators or robots
    • B29C31/02—Dispensing from vessels, e.g. hoppers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/288—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules
    • B29C48/2888—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules in band or in strip form, e.g. rubber strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B7/00—Mixing; Kneading
    • B29B7/30—Mixing; Kneading continuous, with mechanical mixing or kneading devices
    • B29B7/34—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices
    • B29B7/38—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/26—Scrap or recycled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • B29L2007/008—Wide strips, e.g. films, webs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

Definitions

  • the present invention relates to a method and an apparatus for re ⁇ covering plastics material in the manufacture or processing of plastics film and entails that waste film is separated off and comminuted in a grinding apparatus.
  • edge strips or similar waste products are formed which cannot be included in the fin ⁇ ished product.
  • attempts have been made in the art to recover such waste strips by collecting them, storing them and thereafter con ⁇ verting them to a product which may be likened to a granulate.
  • the process of such conversion has been such that the waste strips are fed into a machine where they are, by the action of friction, comminuted and subjected to such high temperatures that the comminuted particles lump together to form larger aggregates.
  • the plas ⁇ tics material recovered in this way has then been admixed in new mat ⁇ erial which is recycled to the manufacturing process.
  • the object .of the present invention is to realise a method of recovering plastics material, by which method the above-outlined pro- blems are obviated.
  • the method is characterised in that the comminuted waste film is conveyed to a plastics-consuming machine and discharged in a position above the plastics material inlet opening of the machine, that new plastics material is supplied at the inlet opening at the position of discharge of the waste film, and that the new plastics material is added such that there is maintained, at the position of discharge of the waste film, a volume of new plastics material, the upper defining surface of this volume being kept at a distance above the position of discharge of the waste film.
  • the method is suitably further chara ⁇ cterised in that the discharge of waste film is effected in a position which is coaxially centered and directed relatively closely above the inlet opening of the plastics-consuming machine, that the volume of new plastics material is caused to surround this position on all sides and thence to be fed into the inlet opening of the plastics-consuming machine together with the discharged waste film.
  • a further object of the present invention is to realise such an apparatus for the recovery of plastics material as has been intimated above and is designed so as to obviate the above-considered disadvantages inherent in prior art equipment.
  • the apparatus comprises means for separating the waste film and a comminution device for the comminution of the waste film, and is characterised by a transfer apparatus coupled between the comminution device and a plastic consuming machine, the transfer apparatus having an outlet which is dir ⁇ ected to a position above an inlet opening on the plastics-consuming machine intended for plastics material, an inlet device for new plastics material which is in communication with the inlet opening and with the supply means for new plastics material, the outlet and the inlet device being of such mutual location and the inlet device being of such design that there is formed therein a volume of new plastics material whose upper surface is located at a distance above the outlet.
  • the apparatus is further also suit- ably characterised in that the outlet of the transfer device is disposed in a coaxially centered position directed relatively closely above the inlet opening of the plastics-consuming machine, that the inlet opening is disposed in the bottom of the inlet device, the inlet device having an annular portion which surrounds the outlet and extends up above the level of the outlet where the supply means are connected.
  • the transfer device should also suit ⁇ ably comprise a fan and a conduit for the airborne conveyance of the comminuted waste film and an air separator which has the outlet, the air separator being directed and centered in relation to the plastics- consuming machine by cooperation with the inlet device.
  • Fig.1 schematically shows an apparatus for the recovery of plastics material according to the invention
  • Fig. 2 is a vertical cross section through the inlet portion of a plastics-consuming machine
  • Fig. 3 shows, in vertical section, a modified embodiment of the inlet portion to a plastics-consuming machine.
  • Fig. 1 schematically illustrates the concepts which form the basis of the present invention.
  • strips of waste film are designated 1 and these strips are separated from a film-producing or film-processing machine or plant, for example by the use of suitably placed blades.
  • a special feeder mechanism 2 is employed, which immediately takes care of and removes waste film from the production or processing machine.
  • the feeder mechanism 2 is suitably disposed in immediate conjunction with a mill 3 in which the waste film is ground down to flakes or part ⁇ icles.
  • the discharge grid in this mill should of relatively fine mesh and, for example, have through-flow orifices of 3 mm when the treated film is thinner than 5 ⁇ .
  • the outlet of the mill is in communication, by the intermediary of a conduit 4 which should suitably be as short as possible, with a fan 5 which, on the one hand, assists in emptying the mill of ground plastics flakes and, on the other hand, discharges them in airborne state through a conduit 6.
  • This conduit is connected to the upper end
  • OMPI of an air separator which is designed as a cyclone 7 and has an air out ⁇ let 8.
  • the air forced forward by the fan 5 is separated from the plastics flakes to which the waste film 1 has been ground so that there is formed a fraction of plastics flakes in the bottom of the cyclone.
  • These flakes are extremely light and are, as a result, difficult to uniformly and evenly admix into new plastics material which is in granulate form, partly since the particles are of completely different configuration, and partly since the particles are of different density. Moreover, the mutual friction between the particles is slight.
  • the cyclone 7 is disposed in direct conjunction with the inlet device 9 on a plastics-consuming ma- chine 10 which, for example, may consist of an extruder.
  • the new plastics material which is to be processed in the extruder 10 is supplied from a central reservoir to a buffer receptacle 11 which, by the intermediary of a conduit 12, is in communication with the upper end of the inlet device 9.
  • the invention builds on the fundamental concept that the admixture of the waste film ground to flake form must be effected as close to the final consumer as possible and, moreover, in such a manner that there can be no separation of the two material qualities from one another, despite the movement and vibration which may occur in the plastics mat- erial mass during admixture and subsequent processing.
  • Fig. 2 shows the appearance of a first embodiment of the apparatus required for realising the mixture.
  • the cyclone has the same reference numeral 7 as in Fig. 1, and it will be apparent that the inlet device 9 is in the form of a substantially circular frusto-conical fun- nel whose minor end is directly connected to a short vertical channel 13 which discharges directly, into the feeder and mixer screw 14 which
  • the vertical channel 13 is circular in form, as also applies for the funnel 9 and its outlet, i.e. the inlet inlet opening 15 to the plastics- consuming machine.
  • the cyclone 7 is provided with a painted, circular-conical and down ⁇ wardly tapering portion which terminates in a short tubular and circular portion 16, having approximately the same diameter as the vertical chan ⁇ nel 13.
  • This tubular portion 16 may be considered as the outlet from the cyclone 7 and is placed concentrically above the vertical channel 13 and the inlet opening 15.
  • the lower end of the tubular portion 16 is, viewed in vertical terms, placed relatively close to the inlet op ⁇ ening 15 so that there is formed an annular space 17 about the tubular portion.
  • the cyclone 7 is suitably fixedly retained and directed in relation to a lid 18 which, in its turn, is mounted on the upper end of the inlet device 9.
  • the cyclone 7 is adjusted in such a manner that it may be vertically set, laterally set and also, to a certain extent, at an angle in relation to the vertical so that thereby both the direction and the position of discharge of the plastics flakes through the tubular portion 16 may be accurately adapted in relation to the inlet opening 15 and the annular space 17.
  • the waste film ground to flake form is separated in the cyclone 7 by centrifugal force, since a spiral motion is created in the cyclone which results in the flakes gradually migrating outwardly towards the outer casing of the cyclone where they are arrested in their movement by friction against the casing surface. Thereafter, the flakes will essentially follow a spiral pattern down along the surface of the cyclone casing to the tubular portion 16.
  • new plastics material is fed in in the form of granulates through the conduit 12, in through the opening 19 so that the inlet device 9, i.e. the inlet funnel will be almost completely filled with granulate and, at least to the extent as intimated by the broken line 20. This fed-in granulate will then move downwardly through the annular space 17 in order, immedi- ately therebeneath, to entrain and partly mix with the flake-formed waste material emanating from the outlet of the tubular portion 16.
  • the mixture is passed straight downwardly through the inlet opening 15 and the channel 13, down into the feeder screw 14 where pro ⁇ cessing of the plastics material is commenced.
  • the centering of the tubular portion 16 is vital, since an inclined setting of this portion (excentric in relation to the inlet opening 15) would easily result in a too powerfully assymetric downward movement speed for the granulate in the annular space 17, which in its turn might result in the flake-formed waste material "floating up" to the surface 20 of the granulate in such areas where the downward movement speed of the granulate is slow. Such a situation would be particularly trouble ⁇ some if the machine is subjected to vibration.
  • conduit 12 has been shown as incoming tangent- ially at the upper edge of the funnel 9, but, naturally, the conduit 12 could just as well be placed so as to discharge in the lid 18. If demands of symmentry so require, more than one conduit may, naturally, be employed and, in such an event, discharge in a position approximately
  • Fig. 3 illustrates a slightly modified embodiment of the present invention.
  • This embodiment differs primarily from the above-described embodiment in that the tubular portion 16 on the cyclone 7 has a lower support and centering ring 21 which interiorly abuts on the funnel 9 immediately adjacent the inlet opening 15 of the extruder.
  • the ring 21 is suitably con- ically bevelled on the outside at an angle which approximately corres- ponds to the angle of the funnel 9.
  • the ring 21 is connected to the tubular portion 16 by the inter ⁇ mediary of a number of vertical connection members 22 between which there are openings 23 for the infeed of the granulate from the annular space 17.
  • the openings 23 are uniformly and regularly spaced about the circumference of the tubular portion 16 and should accommodate as great a portion of this circumference as possible.
  • the extruder 10 when the extruder 10 is provided with an infeed channel 13 which is rectangular seen from above, centering of the tubular portion of the cyclone 7 may be realised in such a manner that a cylind ⁇ rical tubular insert is placed in the vertical channel 13.
  • the lower end of this insert (not shown on the Drawings) is of a design which is adapted to the circumference of the feeder screw 14.
  • the upper end of the insert is suitably provided with a flange which, on mounting of the funnel 9, is placed between the lower retaining flange 24 of the funnel and the retaining flange 25 of the extruder.
  • the funnel 9 may simply retain its circular configuration and be adapted to the inlet opening 15 provided in the insert.
  • the mill 3 is instead placed directly on the cyclone 7 or, possibly, directly on the inlet device 9.
  • the conduit designated 4 in Fig. 1 will become the inlet to the cyclone 7, while the same conduit with a downward extension in the latter variation would replace the tubular portion 16 illustrated in Figs. 2 and 3.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Robotics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Environmental & Geological Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)

Abstract

Procédé et appareil de récupération de matières plastiques formant des films. Selon ce procédé, le film plastique perdu est réduit en flocons et transporté jusqu'à une machine d'utilisation de plastiques (10, 14), où les flocons sont déchargés à une position (17) coaxialement centrée au-dessus de l'orifice d'admission (15) de la machine pour matières plastiques. Des matières plastiques nouvelles sont en outre ajoutées selon une configuration annulaire autour de la positon d'alimentation (17) pour maintenir un volume constant de matières plastiques nouvelles dont la surface supérieure (20) reste toujours à un niveau plus élevé que la position d'alimentation. L'appareil utilisé pour appliquer le procédé comprend un broyeur pour le film perdu et un dispositif de transfert pour introduire le film dans la machine d'utilisation de plastiques (10, 14). Le dispositif de transfert comprend une sortie (16) située coaxialement au-dessus de l'orifice d'admission (15) au fond d'un entonnoir d'alimentation (9) placé sur la machine (10, 14). L'entonnoir d'alimentation (9) s'étend verticalement autour de la sortie (16) et communique (19) à son extrémité supérieure avec un dispositif d'alimentation (12, 19) pour des matières plastiques nouvelles, de sorte que la surface supérieure (20) des matières plastiques nouvelles dans l'entonnoir puisse se situer à un niveau plus élevé que l'orifice d'admission (15).
PCT/SE1984/000261 1984-07-12 1984-07-12 Procede et appareil de recuperation de matieres plastiques WO1986000561A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/SE1984/000261 WO1986000561A1 (fr) 1984-07-12 1984-07-12 Procede et appareil de recuperation de matieres plastiques
JP59502878A JPS61502664A (ja) 1984-07-12 1984-07-12 プラスチィック材料の再生方法及び装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE1984/000261 WO1986000561A1 (fr) 1984-07-12 1984-07-12 Procede et appareil de recuperation de matieres plastiques

Publications (1)

Publication Number Publication Date
WO1986000561A1 true WO1986000561A1 (fr) 1986-01-30

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PCT/SE1984/000261 WO1986000561A1 (fr) 1984-07-12 1984-07-12 Procede et appareil de recuperation de matieres plastiques

Country Status (2)

Country Link
JP (1) JPS61502664A (fr)
WO (1) WO1986000561A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3623268A1 (de) * 1986-07-10 1988-01-28 Windmoeller & Hoelscher Vorrichtung zum zufuehren von zerkleinerten kunststoffolienabfaellen o.dgl. zu dem aufgabetrichter eines extruders
DE3837608A1 (de) * 1987-11-07 1989-05-24 Toyota Motor Co Ltd Quantitative zufuehrungsvorrichtung fuer pulverisiertes und/oder koerniges material und diese vorrichtung verwendende automatische mehrfarbbatch-zufuehrungsvorrichtungen und angussrecyclingvorrichtungen
GB2249987A (en) * 1990-11-20 1992-05-27 Wildes Holdings Ltd "A pigment mixing method and apparatus"
EP2179830A1 (fr) * 2008-10-21 2010-04-28 La Seda De Barcelona S.A. Procédé d'alimentation d'un appareil simultanément avec au moins deux flux de matériaux thermoplastiques, et dispositif d'alimentation pour mettre en oeuvre le procédé
WO2013126933A1 (fr) * 2012-02-28 2013-09-06 Bsw Machinery Handels-Gmbh Dispositif pour introduire des granulés et une matière de charge dans la vis d'extrusion d'une extrudeuse
CN108453939A (zh) * 2018-03-16 2018-08-28 贺州市宜居船木工艺装饰有限公司 一种编织袋拉丝机的打料装置
CN117103519A (zh) * 2023-10-16 2023-11-24 常州市福欧车辆配件有限公司 一种汽车毛毡生产线用小料配方装置及其方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0620019U (ja) * 1992-08-18 1994-03-15 有限会社中村製作所 材料混合用ホッパー
JP6618794B2 (ja) * 2015-12-17 2019-12-11 住化積水フィルム株式会社 サイクロン、搬送方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2010231A (en) * 1977-12-15 1979-06-27 Hydreclaim Corp Mixing fluffy and rigid plastics materials
US4260568A (en) * 1979-06-13 1981-04-07 Phillips Petroleum Co. Method for feeding waste yarn to an extruder
FR2529824A1 (fr) * 1982-07-12 1984-01-13 Prosymeca Dispositif pour l'introduction, dans de la matiere vierge, des broyats de lisieres de gaine en matiere synthetique extrudee
DE3304339A1 (de) * 1983-02-09 1984-08-09 Klaus 4803 Steinhagen Kalwar Vorrichtung zur wiederverarbeitung von bei der herstellung von kunststoffolien anfallenden randstreifen

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2010231A (en) * 1977-12-15 1979-06-27 Hydreclaim Corp Mixing fluffy and rigid plastics materials
US4260568A (en) * 1979-06-13 1981-04-07 Phillips Petroleum Co. Method for feeding waste yarn to an extruder
FR2529824A1 (fr) * 1982-07-12 1984-01-13 Prosymeca Dispositif pour l'introduction, dans de la matiere vierge, des broyats de lisieres de gaine en matiere synthetique extrudee
DE3304339A1 (de) * 1983-02-09 1984-08-09 Klaus 4803 Steinhagen Kalwar Vorrichtung zur wiederverarbeitung von bei der herstellung von kunststoffolien anfallenden randstreifen

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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GB2249987A (en) * 1990-11-20 1992-05-27 Wildes Holdings Ltd "A pigment mixing method and apparatus"
GB2249987B (en) * 1990-11-20 1995-04-05 Wildes Holdings Ltd A pigment mixing method and apparatus
EP2179830A1 (fr) * 2008-10-21 2010-04-28 La Seda De Barcelona S.A. Procédé d'alimentation d'un appareil simultanément avec au moins deux flux de matériaux thermoplastiques, et dispositif d'alimentation pour mettre en oeuvre le procédé
WO2010046015A1 (fr) * 2008-10-21 2010-04-29 La Seda De Barcelona S.A Procédé pour alimenter un appareil au moyen d’au moins deux flux de matériaux thermoplastiques simultanés, et dispositif d’alimentation permettant la mise en œuvre du procédé
WO2013126933A1 (fr) * 2012-02-28 2013-09-06 Bsw Machinery Handels-Gmbh Dispositif pour introduire des granulés et une matière de charge dans la vis d'extrusion d'une extrudeuse
US9227344B2 (en) 2012-02-28 2016-01-05 Bsw Machinery Handels-Gmbh Device for feeding granulate and filler material to an extruder screw of an extruder
RU2597610C2 (ru) * 2012-02-28 2016-09-10 Бсв Машинери Хандельс-Гмбх Устройство для подвода гранулята и загружаемого материала к червяку экструдера
CN108453939A (zh) * 2018-03-16 2018-08-28 贺州市宜居船木工艺装饰有限公司 一种编织袋拉丝机的打料装置
CN117103519A (zh) * 2023-10-16 2023-11-24 常州市福欧车辆配件有限公司 一种汽车毛毡生产线用小料配方装置及其方法
CN117103519B (zh) * 2023-10-16 2024-02-20 常州市福欧车辆配件有限公司 一种汽车毛毡生产线用小料配方装置及其方法

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