SE7408856L - - Google Patents

Info

Publication number
SE7408856L
SE7408856L SE7408856A SE7408856A SE7408856L SE 7408856 L SE7408856 L SE 7408856L SE 7408856 A SE7408856 A SE 7408856A SE 7408856 A SE7408856 A SE 7408856A SE 7408856 L SE7408856 L SE 7408856L
Authority
SE
Sweden
Application number
SE7408856A
Inventor
H Grigull
Original Assignee
Leybold Heraeus Gmbh & Co Kg
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 Leybold Heraeus Gmbh & Co Kg filed Critical Leybold Heraeus Gmbh & Co Kg
Publication of SE7408856L publication Critical patent/SE7408856L/xx

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/81—Combinations of similar mixers, e.g. with rotary stirring devices in two or more receptacles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/70—Mixers specially adapted for working at sub- or super-atmospheric pressure, e.g. combined with de-foaming
    • 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
    • B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
    • B29B13/065—Conditioning or physical treatment of the material to be shaped by drying of powder or pellets
    • 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
    • B29B7/80—Component parts, details or accessories; Auxiliary operations
    • B29B7/88—Adding charges, i.e. additives
    • B29B7/90—Fillers or reinforcements, e.g. fibres
    • B29B7/905—Fillers or reinforcements, e.g. fibres with means for pretreatment of the charges or fibres
    • 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
    • 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
    • B29C48/29—Feeding the extrusion material to the extruder in liquid form
    • 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
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/793—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling upstream of the plasticising zone, e.g. heating in the hopper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05—Stirrers
    • B01F27/11—Stirrers characterised by the configuration of the stirrers
    • B01F27/112—Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/50—Mixing receptacles
    • B01F35/52—Receptacles with two or more compartments
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/286—Raw material dosing
    • 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
    • B29K2105/0005—Condition, form or state of moulded material or of the material to be shaped containing compounding ingredients

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
SE7408856A 1973-07-05 1974-07-05 SE7408856L (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2334189A DE2334189C2 (de) 1973-07-05 1973-07-05 Verfahren und Vorrichtung zur Herstellung eines Kunststoff-Füllstoff-Gemisches

Publications (1)

Publication Number Publication Date
SE7408856L true SE7408856L (xx) 1975-01-07

Family

ID=5886005

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7408856A SE7408856L (xx) 1973-07-05 1974-07-05

Country Status (8)

Country Link
US (1) US3969314A (xx)
JP (1) JPS5039348A (xx)
BE (1) BE817324A (xx)
CH (1) CH568832A5 (xx)
DE (1) DE2334189C2 (xx)
FR (1) FR2235775B3 (xx)
IT (1) IT1015535B (xx)
SE (1) SE7408856L (xx)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
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CA1035107A (en) * 1974-04-09 1978-07-25 United States Gypsum Company Method and apparatus for extruding thermoplastic polymers
EP0030936B1 (en) * 1977-08-23 1985-03-20 Imperial Chemical Industries Plc A method for producing a shaped article comprising two closely-spaced substantially parallel walls enclosing a volume therebetween which is filled with foam
DE2862090D1 (en) * 1977-08-23 1982-12-23 Ici Plc Method for producing shaped articles of polyolefins containing anisotropic filler using blow moulding techniques
US4156752A (en) * 1977-11-25 1979-05-29 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Fire protection covering for small diameter missiles
DE2757486A1 (de) * 1977-12-22 1979-07-05 Draiswerke Gmbh Vorrichtung zum diskontinuierlichen mischen von mindestens zwei stoffen
US4162245A (en) * 1978-01-09 1979-07-24 Dow Corning Corporation Method of preparing an improved organic resin composition and an improved organic resin thereby
DE2847424A1 (de) * 1978-11-02 1980-05-22 Hoechst Ag Verfahren zum einmischen von zusaetzen in polyolefinpulver
US4339363A (en) * 1979-07-05 1982-07-13 Kabushiki Kaisha Mikuni Seisakusho Composite material compositions using wastepaper and method of producing same
DE3017752C2 (de) * 1980-05-09 1984-08-23 Sapco Systemanalyse und Projektcontrol GmbH, 4000 Düsseldorf Verfahren und Vorrichtung zur Herstellung eines pulverförmigen Gemisches aus thermoplastischem Kunststoff und mineralischem oder organischem Füllstoff
US4360129A (en) * 1980-11-10 1982-11-23 The Meyer Dairy Products Company System for dispensing viscous or chunky materials
AT370124B (de) * 1980-11-18 1983-03-10 M & C Oswald Gmbh Verfahren zur herstellung von formkoerpern aus thermoplastischem material
DE3122567A1 (de) * 1981-06-06 1982-12-30 Wirsbo Pex, Zweigniederlassung der Platzer Schwedenbau GmbH, 6056 Heusenstamm Verfahren zur vorbereitung von polymeren fuer deren extrusion und vernetzung
DE3127218A1 (de) * 1981-07-10 1983-01-27 Bayer Ag Verfahren und vorrichtung zum einmischen von pulverfoermigen bis kleinteiligen zusatzstoffen in eine fluessige reaktionskomponente
AT374206B (de) * 1982-11-15 1984-03-26 Hirsch Kurt Verfahren und vorrichtung zum vorschaeumen von kunststoffen
IT1169505B (it) * 1983-02-24 1987-06-03 Luciano Occelli Procedimento ed apparecchio per la mescolazione sotto vuoto di impasti per uso odontotecnico,orafo o simile
US4538068A (en) * 1983-05-03 1985-08-27 The United States Of America As Represented By The United States Department Of Energy Manipulator having thermally conductive rotary joint for transferring heat from a test specimen
JPS6079296A (ja) * 1983-10-06 1985-05-07 日揮株式会社 放射性廃水の処理装置
JPH01118410A (ja) * 1987-11-02 1989-05-10 Matsuji Nakagome 樹脂材料の連続乾燥供給装置
JPS6458512A (en) * 1987-08-29 1989-03-06 Matsuji Nakagome Apparatus for drying plastic particle
JPH0749201B2 (ja) * 1988-02-05 1995-05-31 エレマ エンジニアリング‐リサイクリング‐マシネン‐アンラーゲン ゲゼルシヤフト ミツト ベシユレンクテル ハフトウング 熱可塑性合成樹脂材料の調整装置
US4955723A (en) * 1990-01-16 1990-09-11 Schneider John R Slurry mixing apparatus with dry powder conveyer
BR9207107A (pt) * 1992-03-25 1995-12-05 Du Pont Sistema para alimentação e mistura de composições de moldagem multi-componentes
US6089794A (en) 1996-08-09 2000-07-18 Maguire; Stephen B. Vacuum loading system
US5948492A (en) * 1997-01-09 1999-09-07 Graham Packaging Company, L.P. Cost-effective environmentally-friendly blow-molded plastic container
CA2303873C (en) 1997-09-19 2009-02-03 Maguire Products, Inc. Low pressure dryer
IT1311213B1 (it) * 1999-03-24 2002-03-04 Sipa Spa Procedimento e impianto perfezionato per il trattamento deimateriali nella produzione di corpi cavi in p.e.t.
BR0010835A (pt) * 1999-03-24 2002-01-15 3Dm International Inc Processo de fabricação de peça ou artigo
US10539366B2 (en) 2014-04-30 2020-01-21 Stephen B. Maguire Method and apparatus for vacuum drying granular resin material
US7347007B2 (en) * 2000-06-16 2008-03-25 Maguire Stephen B Low pressure high capacity dryer for resins and other granular and powdery materials
US7234247B2 (en) 2000-06-16 2007-06-26 Maguire Stephen B Low pressure dryer
JP2004160917A (ja) * 2002-11-15 2004-06-10 Sogo Plastic:Kk 合成樹脂ペレット又はパウダー混合用ホッパー
DE60316275T2 (de) * 2003-07-17 2008-06-12 Borealis Technology Oy Extrusionsverfahren zur Herstellung von gefüllten Thermoplasten
JP2006056188A (ja) * 2004-08-23 2006-03-02 Star Seiki Co Ltd 樹脂ペレット乾燥装置及び乾燥方法
US20060057319A1 (en) * 2004-09-11 2006-03-16 Gleich Klaus F Methods and systems for making fiber reinforced products and resultant products
AT501154B8 (de) * 2005-01-28 2007-02-15 Erema Vorrichtung zur befüllung eines extruders mit vorbehandeltem thermoplastischen kunststoffmaterial
DE102005033731A1 (de) * 2005-06-23 2006-12-28 Vereinigung zur Förderung des Instituts für Kunststoffverarbeitung in Industrie und Handwerk an der Rhein.-Westf. Technischen Hochschule Aachen eV Vorrichtung und Verfahren zur Herstellung physikalisch getriebener Schäume
US8631583B2 (en) 2005-10-31 2014-01-21 Dennis Moss Bagel slicer
US20080127497A1 (en) * 2005-10-31 2008-06-05 Dennis Moss Blade assembly
US8753432B2 (en) 2007-08-31 2014-06-17 Stephen B. Maguire Tiltable vacuum loader and receiver with blow-back
US8070844B2 (en) 2007-08-31 2011-12-06 Maguire Stephen B Dust clearing blow-back valve and reservoir
DE102007041857A1 (de) * 2007-09-03 2009-03-05 Wacker Chemie Ag Verfahren zur kontinuierlichen Herstellung von vernetzbaren Massen auf der Basis von Organosiliciumverbindungen
US20120112386A1 (en) * 2009-07-15 2012-05-10 Ludo Debergh Method for producing a shaped object of a composite material, a shaped object produced according to this method
US8141270B2 (en) 2009-08-13 2012-03-27 Maguire Products, Inc. Gas flow rate determination method and apparatus and granular material dryer and method for control thereof
CN102107470A (zh) * 2009-12-29 2011-06-29 上海金发科技发展有限公司 一种具有螺旋桨装置的输送设备
US7883263B1 (en) * 2010-08-30 2011-02-08 Wenger Manufacturing, Inc. Preconditioner for extrusion systems
CN102001172B (zh) * 2010-10-18 2013-04-10 青岛科技大学 木塑挤出去湿的混合喂料装置
JP6126351B2 (ja) * 2012-10-18 2017-05-10 旭化成株式会社 原料供給装置及びそれを用いた樹脂組成物の製造装置、並びに樹脂組成物の製造方法
CN102921337B (zh) * 2012-10-24 2014-11-26 河南心连心化肥有限公司 生产缓释剂的真空式配料装置
DK2787026T3 (en) * 2013-04-05 2017-05-15 Omya Int Ag Process for preparing a composite polymer material having increased filler content
US9550635B2 (en) 2014-02-20 2017-01-24 Stephen B. Maguire Air flow limiter with closed/open sensing
US10280015B2 (en) 2014-02-20 2019-05-07 Stephen B. Maguire Method for adjustably restricting air flow and apparatus therefor
US9604793B2 (en) 2014-02-20 2017-03-28 Maguire Products, Inc. Resin delivery system with air flow regulator
US9937651B2 (en) 2014-02-20 2018-04-10 Novatec, Inc. Resin delivery apparatus and method with plural air flow limiters
US9550636B2 (en) 2014-02-20 2017-01-24 Stephen B. Maguire Method and apparatus for resin delivery with adjustable air flow limiter
US10175701B2 (en) 2014-02-20 2019-01-08 Stephen B. Maguire Air flow regulator with detector and method for regulating air flow
US9371198B2 (en) 2014-02-20 2016-06-21 Stephen B. Maguire Air flow regulator
US10179708B2 (en) 2014-02-20 2019-01-15 Maguire Products, Inc. Granular material delivery system with air flow limiter
US10414083B2 (en) 2014-02-20 2019-09-17 Novatec, Inc. Multiple sensor resin delivery optimizing vacuum pump operation
US10144598B2 (en) 2014-02-20 2018-12-04 Novatec, Inc. Variable frequency drive combined with flow limiter set for limiting flow to selected level above design choice
US10053303B2 (en) 2016-01-05 2018-08-21 Stephen B. Maguire Low profile receiver
US10131506B2 (en) 2014-12-09 2018-11-20 Maguire Products, Inc. Selective matrix conveyance apparatus and methods for granular resin material
US10179696B2 (en) 2015-01-27 2019-01-15 Novatec, Inc. Variable opening slide gate for regulating material flow into airstream
US10138076B2 (en) 2015-02-25 2018-11-27 Stephen B. Maguire Method for resin delivery including metering introduction of external air to maintain desired vacuum level
USD841061S1 (en) 2016-01-05 2019-02-19 Stephen B. Maguire Low profile loader
CN106732148A (zh) * 2017-02-21 2017-05-31 无锡正佳自控系统股份有限公司 双失重秤用匀料装置
CN106757407A (zh) * 2017-02-21 2017-05-31 无锡正佳自控系统股份有限公司 一种双失重秤
CN110280176B (zh) * 2018-03-19 2022-01-28 重庆市智翔铺道技术工程有限公司 一种立式多组分高粘材料连续供料搅拌机及其使用方法
US20190308344A1 (en) 2018-04-04 2019-10-10 Novatec, Inc. Method and apparatus for polymer drying using inert gas
US11364657B2 (en) 2018-04-04 2022-06-21 Novatec, Inc. Reducing moisture in granular resin material using inert gas
CN108823660A (zh) * 2018-07-31 2018-11-16 浙江亚设塑业有限公司 一种编织袋生产用拉丝装置及其生产方法
JP6817403B1 (ja) * 2019-10-30 2021-01-20 株式会社ソディック 食品材料粉体の供給装置
CN111330478A (zh) * 2020-03-24 2020-06-26 李思 一种生态环境修复装置

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DE1106297B (de) * 1958-01-02 1961-05-10 Bayer Ag Verfahren zum Calcinieren von durch Faellung gewonnenen Kieselsaeure- und Silikatfuellstoffen
DE1454856A1 (de) * 1963-10-08 1969-05-08 Papenmeier Kg Maschf Guenther Verfahren zur Herstellung von Kunststoff-Agglomeraten und Vorrichtung zur Durchfuehrung des Verfahrens
DE1454823A1 (de) * 1964-03-30 1969-05-08 Knapsack Ag Verfahren zur Herstellung von Fuellstoffe enthaltenden Vinylharzmischungen
DE2226287C3 (de) * 1971-06-03 1982-05-13 Joto Chemical Co. Ltd., Hirakata, Osaka Verfahren zur Herstellung und Formung einer Mischung aus thermoplastischen Kunststoffen und festen Füllstoffen

Also Published As

Publication number Publication date
CH568832A5 (xx) 1975-11-14
DE2334189C2 (de) 1984-12-06
FR2235775A1 (xx) 1975-01-31
JPS5039348A (xx) 1975-04-11
IT1015535B (it) 1977-05-20
DE2334189A1 (de) 1975-01-23
US3969314A (en) 1976-07-13
BE817324A (fr) 1975-01-06
FR2235775B3 (xx) 1977-05-06

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