FR81735E - Procédé et machines de traitement de matières plastiques - Google Patents

Procédé et machines de traitement de matières plastiques

Info

Publication number
FR81735E
FR81735E FR898935A FR898935A FR81735E FR 81735 E FR81735 E FR 81735E FR 898935 A FR898935 A FR 898935A FR 898935 A FR898935 A FR 898935A FR 81735 E FR81735 E FR 81735E
Authority
FR
France
Prior art keywords
machines
processing process
plastics processing
plastics
processing
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
FR898935A
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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
Priority claimed from US48733A external-priority patent/US3022271A/en
Priority claimed from US128465A external-priority patent/US3195178A/en
Application filed by Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Priority to FR898935A priority Critical patent/FR81735E/fr
Application granted granted Critical
Publication of FR81735E publication Critical patent/FR81735E/fr
Priority claimed from US409914A external-priority patent/US3235640A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/40—Post-polymerisation treatment
    • C08G64/403—Recovery of the polymer
    • A—HUMAN NECESSITIES
    • A21—BAKING; EDIBLE DOUGHS
    • A21C—MACHINES OR EQUIPMENT FOR MAKING OR PROCESSING DOUGHS; HANDLING BAKED ARTICLES MADE FROM DOUGH
    • A21C3/00—Machines or apparatus for shaping batches of dough before subdivision
    • 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
    • B29B7/40—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft
    • B29B7/42—Mixing; Kneading continuous, with mechanical mixing or kneading devices with movable mixing or kneading devices rotary with single shaft with screw or helix
    • B29B7/428—Parts or accessories, e.g. casings, feeding or discharging means
    • B29B7/429—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
    • B29C48/268—Throttling of the flow, e.g. for cooperating with plasticising elements or for degassing
    • 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
    • B29C48/285—Feeding the extrusion material to the extruder
    • B29C48/297—Feeding the extrusion material to the extruder at several locations, e.g. using several hoppers or using a separate additive feeding
    • 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
    • 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
    • B29C48/397—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 a single screw
    • 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
    • B29C48/501—Extruder feed section
    • 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
    • B29C48/63—Screws having sections without mixing elements or threads, i.e. having cylinder shaped sections
    • 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
    • B29C48/67—Screws having incorporated mixing devices not provided for in groups B29C48/52 - B29C48/66
    • 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
    • B29C48/68—Barrels or cylinders
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/763—Vent constructions, e.g. venting means avoiding melt escape
    • 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
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in 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
    • B29C48/50—Details of extruders
    • B29C48/76—Venting, drying means; Degassing means
    • B29C48/765—Venting, drying means; Degassing means in the extruder apparatus
    • B29C48/766—Venting, drying means; Degassing means in the extruder apparatus in screw extruders
    • B29C48/767—Venting, drying means; Degassing means in the extruder apparatus in screw extruders through a degassing opening of a barrel
    • 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
    • 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)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
FR898935A 1960-08-10 1962-05-28 Procédé et machines de traitement de matières plastiques Expired FR81735E (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR898935A FR81735E (fr) 1960-08-10 1962-05-28 Procédé et machines de traitement de matières plastiques

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
FR835527A FR1272132A (fr) 1960-08-10 1960-08-10 Procédé et machines de traitement de matières plastiques
US48733A US3022271A (en) 1960-08-10 1960-08-10 Finishing of solid diphenolic polycarbonates
US12664561A 1961-08-01 1961-08-01
US128465A US3195178A (en) 1960-08-10 1961-08-01 Apparatus for the treatment of plastic materials
FR898935A FR81735E (fr) 1960-08-10 1962-05-28 Procédé et machines de traitement de matières plastiques
US409914A US3235640A (en) 1960-08-10 1964-11-09 Method for the deaeration of plastic materials

Publications (1)

Publication Number Publication Date
FR81735E true FR81735E (fr) 1963-11-02

Family

ID=27515032

Family Applications (3)

Application Number Title Priority Date Filing Date
FR835527A Expired FR1272132A (fr) 1958-07-28 1960-08-10 Procédé et machines de traitement de matières plastiques
FR898935A Expired FR81735E (fr) 1960-08-10 1962-05-28 Procédé et machines de traitement de matières plastiques
FR40242A Expired FR89139E (fr) 1960-08-10 1965-11-30 Procédé et machines de traitement de matières plastiques

Family Applications Before (1)

Application Number Title Priority Date Filing Date
FR835527A Expired FR1272132A (fr) 1958-07-28 1960-08-10 Procédé et machines de traitement de matières plastiques

Family Applications After (1)

Application Number Title Priority Date Filing Date
FR40242A Expired FR89139E (fr) 1960-08-10 1965-11-30 Procédé et machines de traitement de matières plastiques

Country Status (6)

Country Link
BE (1) BE606868A (fr)
CH (1) CH382984A (fr)
DE (1) DE1529826A1 (fr)
FR (3) FR1272132A (fr)
GB (2) GB976637A (fr)
NL (1) NL267995A (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419569A1 (fr) * 1978-03-08 1979-10-05 Kraftwerk Union Ag Procede pour l'elimination de dechets synthetiques pulverulents radioactifs constitues par des materiaux filtrants utilises dans les installations de technique nucleaire
FR2446706A1 (fr) * 1979-01-18 1980-08-14 Ems Ind Malaxeur en continu pour polymeres
US6273599B1 (en) 1999-09-17 2001-08-14 Flint Ink Corporation Process for preparing pigment flush
US6576131B1 (en) * 1997-12-16 2003-06-10 Flint Ink Corporation Process and apparatus for changing the wetting agent of pigments
US7947126B2 (en) 2004-08-17 2011-05-24 Flint Group Incorporated Processes for preparing organic pigment dispersions and ink
CN110901010A (zh) * 2019-12-10 2020-03-24 湖南工业大学 间歇式自然排气口溢料回送装置

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL127110C (fr) * 1962-02-01 1900-01-01
US3881708A (en) * 1972-06-15 1975-05-06 Usm Corp Mixing extruders
DE2748717A1 (de) * 1977-10-29 1979-05-10 Bayer Ag Vorrichtung und verfahren zur verarbeitung inhomogener kautschukmischungen
EP0036024A1 (fr) * 1980-02-26 1981-09-23 Detlef Gneuss Extrudeuse à vis
US4776784A (en) * 1987-03-06 1988-10-11 The B. F. Goodrich Company Extruder
DE102010039959A1 (de) 2010-08-30 2012-03-01 Aloys Wobben Fluidentgasungs-Vorrichtung und Verfahren zur Entgasung von Fluiden

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2419569A1 (fr) * 1978-03-08 1979-10-05 Kraftwerk Union Ag Procede pour l'elimination de dechets synthetiques pulverulents radioactifs constitues par des materiaux filtrants utilises dans les installations de technique nucleaire
FR2446706A1 (fr) * 1979-01-18 1980-08-14 Ems Ind Malaxeur en continu pour polymeres
US6576131B1 (en) * 1997-12-16 2003-06-10 Flint Ink Corporation Process and apparatus for changing the wetting agent of pigments
US6273599B1 (en) 1999-09-17 2001-08-14 Flint Ink Corporation Process for preparing pigment flush
US6305838B1 (en) * 1999-09-17 2001-10-23 Flint Ink Corporation Process and apparatus for preparing pigment flush
US6348091B1 (en) 1999-09-17 2002-02-19 Flint Ink Corporation Process and apparatus for preparing pigment flush in response to a material property value
US7947126B2 (en) 2004-08-17 2011-05-24 Flint Group Incorporated Processes for preparing organic pigment dispersions and ink
CN110901010A (zh) * 2019-12-10 2020-03-24 湖南工业大学 间歇式自然排气口溢料回送装置

Also Published As

Publication number Publication date
BE606868A (fr) 1900-01-01
CH382984A (fr) 1964-10-15
FR1272132A (fr) 1961-09-22
GB976637A (en) 1964-12-02
NL267995A (fr) 1900-01-01
GB924756A (en) 1963-05-01
FR89139E (fr) 1967-05-12
DE1529826A1 (de) 1970-01-08

Similar Documents

Publication Publication Date Title
FR1239333A (fr) Procédé de traitement de pellicules polymères thermoplastiques
FR1272132A (fr) Procédé et machines de traitement de matières plastiques
BE585094A (fr) Laineuse et procédé de lainage.
FR1208486A (fr) Procédé de traitement d'un poly
BE589219A (fr) Procédé et machine à mouler perfectionnée.
FR1500801A (fr) Procédé et appareillage de traitement, plus particulièrement du caoutchouc
FR1221488A (fr) Machine et procédé de moulage
FR1196820A (fr) Procédé de traitement de l'uranium
BE599399A (fr) Procédé de traitement de matières fibreuses
BE591076A (fr) Produit et non procédé de fabrication.
OA00181A (fr) Procédé et machines de traitement de matières plastiques.
FR1321151A (fr) Appareil et procédé de traitement des matières plastiques
FR1506155A (fr) Procédé de traitement du caoutchouc synthétique
BE604302A (fr) Matières plastiques de polyuréthane et leur procédé de préparation
FR1251796A (fr) Machine et procédé de moulage par injection
FR1204144A (fr) Procédé de traitement de la viande
FR1343067A (fr) Procédé et machine de moulage
FR1266763A (fr) Machine et procédé de décapage
FR1241095A (fr) Machine à lainer et procédé de lainage
BE602019A (fr) Procédé de dotation simultanée et uniforme
FR1215083A (fr) Procédé et machine de tréfilage
FR1233166A (fr) Machine et procédé de décortication
FR1202777A (fr) Procédé de traitement du lignite
FR1205395A (fr) Procédé et machine de métallisation
FR1381232A (fr) Procédé de traitement du coke