GB1151964A - Method and Apparatus for the Continuous Preparation of Plastics Material Mixtures - Google Patents

Method and Apparatus for the Continuous Preparation of Plastics Material Mixtures

Info

Publication number
GB1151964A
GB1151964A GB6909/67A GB690967A GB1151964A GB 1151964 A GB1151964 A GB 1151964A GB 6909/67 A GB6909/67 A GB 6909/67A GB 690967 A GB690967 A GB 690967A GB 1151964 A GB1151964 A GB 1151964A
Authority
GB
United Kingdom
Prior art keywords
strands
fibre
plastics material
closed
broken
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB6909/67A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Werner and Pfleiderer GmbH
Original Assignee
Werner and Pfleiderer GmbH
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 Werner and Pfleiderer GmbH filed Critical Werner and Pfleiderer GmbH
Publication of GB1151964A publication Critical patent/GB1151964A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/482—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs
    • B29B7/483—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws provided with screw parts in addition to other mixing parts, e.g. paddles, gears, discs the other mixing parts being discs perpendicular to the screw axis
    • 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
    • B29B7/46—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft
    • B29B7/48—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with more than one shaft with intermeshing devices, e.g. screws
    • B29B7/488—Parts, e.g. casings, sealings; Accessories, e.g. flow controlling or throttling devices
    • B29B7/489—Screws
    • 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
    • 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
    • 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
    • B29C48/2886—Feeding the extrusion material to the extruder in solid form, e.g. powder or granules of fillers or of fibrous materials, e.g. short-fibre reinforcements
    • 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 thread form 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
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/40—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using two or more parallel screws or at least two parallel non-intermeshing screws, e.g. twin screw extruders
    • B29C48/405—Intermeshing co-rotating screws
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/55—Screws having reverse-feeding elements
    • 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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/57—Screws provided with kneading disc-like elements, e.g. with oval-shaped elements
    • 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
    • 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
    • B29C48/04—Particle-shaped
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • B29K2105/06—Condition, form or state of moulded material or of the material to be shaped containing reinforcements, fillers or inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Reinforced Plastic Materials (AREA)
GB6909/67A 1966-03-08 1967-02-14 Method and Apparatus for the Continuous Preparation of Plastics Material Mixtures Expired GB1151964A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEW0041086 1966-03-08

Publications (1)

Publication Number Publication Date
GB1151964A true GB1151964A (en) 1969-05-14

Family

ID=7602706

Family Applications (1)

Application Number Title Priority Date Filing Date
GB6909/67A Expired GB1151964A (en) 1966-03-08 1967-02-14 Method and Apparatus for the Continuous Preparation of Plastics Material Mixtures

Country Status (6)

Country Link
BE (1) BE694109A (enrdf_load_stackoverflow)
CH (1) CH453666A (enrdf_load_stackoverflow)
ES (2) ES337693A1 (enrdf_load_stackoverflow)
FR (1) FR1513139A (enrdf_load_stackoverflow)
GB (1) GB1151964A (enrdf_load_stackoverflow)
NL (1) NL6703180A (enrdf_load_stackoverflow)

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4894053A (enrdf_load_stackoverflow) * 1972-03-13 1973-12-04
GB2119271A (en) * 1982-04-26 1983-11-16 Pomini Farrel Spa Mixing machine
EP0416859A1 (en) * 1989-09-05 1991-03-13 Composite Products, Inc. Extruder apparatus and process for compounding themoplastic resin and fibers
EP0426619A3 (en) * 1989-10-31 1991-08-21 Icma San Giorgio S.P.A. A method of producing panels
US5110275A (en) * 1990-05-25 1992-05-05 Werner & Pfleiderer Gmbh Extruder for the preparation of plastic material with the introduction of at least one fibre strand
EP0654341A3 (enrdf_load_stackoverflow) * 1993-11-24 1995-06-28 Danubia Petrochem Polymere
WO1999056936A1 (en) * 1998-05-07 1999-11-11 Instituut Voor Agrotechnologisch Onderzoek (Ato-D Lo) Process for continuously manufacturing composites of polymer and cellulosic fibres, and compounded materials obtained therewith
DE19848124A1 (de) * 1998-10-19 2000-04-20 Krupp Werner & Pfleiderer Gmbh Verfahren zur Herstellung von gefüllten, modifizierten und mit Fasern verstärkten Thermoplasten und Doppel-Schnecken-Extruder zur Durchführung des Verfahrens
US6186769B1 (en) 1999-04-06 2001-02-13 Woodshed Technologies Resin and fiber compounding apparatus for molding operations
US6364518B1 (en) * 1996-09-16 2002-04-02 C. A. Lawton Company Method and apparatus for manufacturing a plastic material particularly provided with additives
US6431847B1 (en) 1999-04-06 2002-08-13 Woodshed Technologies, Inc. Apparatus for compounding resin and fiber
US6875385B2 (en) 1999-04-06 2005-04-05 Woodshed Technologies, Inc. Method of compounding resin and fiber
WO2005053933A1 (de) * 2003-11-24 2005-06-16 Krah Ag Vorrichtung und verfahren zum herstellen von wickelrohren
WO2008071782A2 (en) 2006-12-14 2008-06-19 Giuseppe Ponzielli Method and apparatus to produce products made of composite material having solid particles embedded in a polymeric matrix, and method and device for dispersing solid particles into viscous liquid
WO2010075936A1 (de) * 2008-12-10 2010-07-08 Karl Hehl Vorrichtung und verfahren zur herstellung von formteilen aus plastifizierbarem material und aus faserförmigen einlagen
US10814539B2 (en) 2014-09-12 2020-10-27 Toshiba Kikai Kabushiki Kaisha Plasticizing device, injection device, molding apparatus, and manufacturing method of molded parts

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3047314A1 (de) * 1980-12-16 1982-07-29 Josef A. 7144 Asperg Blach Vorrichtung zum mischen, dispergieren und homogenisieren von massen mit mindestens einer viskosen komponente
DE3841728C1 (de) * 1988-12-10 1990-03-01 Hermann Berstorff Maschinenbau Gmbh, 30627 Hannover Ein- oder Doppelschneckenextruder zum Einarbeiten von pulverförmigen oder faserförmigen Additiven in eine thermoplastische Kunststoffschmelze
DE3841729C1 (de) * 1988-12-10 1990-03-01 Hermann Berstorff Maschinenbau Gmbh, 30627 Hannover Ein- oder Doppelschneckenextruder zum Entgasen von thermoplastischen Kunststoffschmelzen
DE4202004C2 (de) * 1992-01-25 1994-03-24 Basf Ag Verfahren zur Herstellung füllstoffhaltiger thermoplastischer Formmassen und derart erhältliche Formmassen und deren Verwendung

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4894053A (enrdf_load_stackoverflow) * 1972-03-13 1973-12-04
GB2119271A (en) * 1982-04-26 1983-11-16 Pomini Farrel Spa Mixing machine
EP0416859A1 (en) * 1989-09-05 1991-03-13 Composite Products, Inc. Extruder apparatus and process for compounding themoplastic resin and fibers
EP0426619A3 (en) * 1989-10-31 1991-08-21 Icma San Giorgio S.P.A. A method of producing panels
US5110275A (en) * 1990-05-25 1992-05-05 Werner & Pfleiderer Gmbh Extruder for the preparation of plastic material with the introduction of at least one fibre strand
EP0654341A3 (enrdf_load_stackoverflow) * 1993-11-24 1995-06-28 Danubia Petrochem Polymere
US6364518B1 (en) * 1996-09-16 2002-04-02 C. A. Lawton Company Method and apparatus for manufacturing a plastic material particularly provided with additives
US6565348B1 (en) 1998-05-07 2003-05-20 Instituut Voor Agrotechnologisch Onderzoek (Ato-Dlo) Extruder for continuously manufacturing composites of polymer and cellulosic fibres
WO1999056936A1 (en) * 1998-05-07 1999-11-11 Instituut Voor Agrotechnologisch Onderzoek (Ato-D Lo) Process for continuously manufacturing composites of polymer and cellulosic fibres, and compounded materials obtained therewith
EP0995567A1 (de) * 1998-10-19 2000-04-26 Krupp Werner & Pfleiderer GmbH Verfahren zur Herstellung von gefüllten, modifizierten und mit Fasern verstärkten Thermoplasten und Doppel-Schnecken-Extruder zur Durchführung des Verfahrens
DE19848124A1 (de) * 1998-10-19 2000-04-20 Krupp Werner & Pfleiderer Gmbh Verfahren zur Herstellung von gefüllten, modifizierten und mit Fasern verstärkten Thermoplasten und Doppel-Schnecken-Extruder zur Durchführung des Verfahrens
US6875385B2 (en) 1999-04-06 2005-04-05 Woodshed Technologies, Inc. Method of compounding resin and fiber
US6431847B1 (en) 1999-04-06 2002-08-13 Woodshed Technologies, Inc. Apparatus for compounding resin and fiber
US6186769B1 (en) 1999-04-06 2001-02-13 Woodshed Technologies Resin and fiber compounding apparatus for molding operations
WO2005053933A1 (de) * 2003-11-24 2005-06-16 Krah Ag Vorrichtung und verfahren zum herstellen von wickelrohren
WO2008071782A2 (en) 2006-12-14 2008-06-19 Giuseppe Ponzielli Method and apparatus to produce products made of composite material having solid particles embedded in a polymeric matrix, and method and device for dispersing solid particles into viscous liquid
WO2010075936A1 (de) * 2008-12-10 2010-07-08 Karl Hehl Vorrichtung und verfahren zur herstellung von formteilen aus plastifizierbarem material und aus faserförmigen einlagen
JP2012511445A (ja) * 2008-12-10 2012-05-24 カイナート、レナーテ 塑性化可能な材料および繊維状添加材から成形品を製造する装置および製造方法
US10814539B2 (en) 2014-09-12 2020-10-27 Toshiba Kikai Kabushiki Kaisha Plasticizing device, injection device, molding apparatus, and manufacturing method of molded parts
US11376774B2 (en) 2014-09-12 2022-07-05 Shibaura Machine Co., Ltd. Plasticizing device, injection device, molding apparatus, and manufacturing method of molded parts

Also Published As

Publication number Publication date
CH453666A (de) 1968-03-31
BE694109A (enrdf_load_stackoverflow) 1967-07-17
ES337694A1 (es) 1968-03-01
NL6703180A (enrdf_load_stackoverflow) 1967-09-11
FR1513139A (fr) 1968-02-09
ES337693A1 (es) 1968-03-01

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees