CH468856A - Procédé de conformation de matières - Google Patents

Procédé de conformation de matières

Info

Publication number
CH468856A
CH468856A CH210367A CH210367A CH468856A CH 468856 A CH468856 A CH 468856A CH 210367 A CH210367 A CH 210367A CH 210367 A CH210367 A CH 210367A CH 468856 A CH468856 A CH 468856A
Authority
CH
Switzerland
Prior art keywords
conformation process
material conformation
conformation
Prior art date
Application number
CH210367A
Other languages
English (en)
Inventor
Marcovitch Jacob
Original Assignee
Rotary Profile Anstalt
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 Rotary Profile Anstalt filed Critical Rotary Profile Anstalt
Publication of CH468856A publication Critical patent/CH468856A/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K23/00—Making other articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/08—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling structural sections, i.e. work of special cross-section, e.g. angle steel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/005—Continuous extrusion starting from solid state material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/08—Making wire, bars, tubes
    • B21C23/10—Making finned tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/02—Making uncoated products
    • B21C23/04—Making uncoated products by direct extrusion
    • B21C23/14—Making other products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/21—Presses specially adapted for extruding metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C26/00—Rams or plungers; Discs therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
    • B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
    • B21C37/15—Making tubes of special shape; Making tube fittings
    • B21C37/151—Making tubes with multiple passages
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/02—Making articles shaped as bodies of revolution discs; disc wheels
    • B21H1/04—Making articles shaped as bodies of revolution discs; disc wheels with rim, e.g. railways wheels or pulleys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H1/00—Making articles shaped as bodies of revolution
    • B21H1/06—Making articles shaped as bodies of revolution rings of restricted axial length
    • B21H1/12—Making articles shaped as bodies of revolution rings of restricted axial length rings for ball or roller bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H5/00—Making gear wheels, racks, spline shafts or worms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H7/00—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons
    • B21H7/18—Making articles not provided for in the preceding groups, e.g. agricultural tools, dinner forks, knives, spoons grooved pins; Rolling grooves, e.g. oil grooves, in articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
    • B21H8/00—Rolling metal of indefinite length in repetitive shapes specially designed for the manufacture of particular objects, e.g. checkered sheets
    • 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
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • 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
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/465—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using rollers
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0003—Moulding articles between moving mould surfaces, e.g. turning surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
    • E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
    • E01C19/23—Rollers therefor; Such rollers usable also for compacting soil
    • E01C19/236—Construction of the rolling elements, e.g. surface configuration, rolling surface formed by endless track
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
    • E02D3/02—Improving by compacting
    • E02D3/026—Improving by compacting by rolling with rollers usable only for or specially adapted for soil compaction, e.g. sheepsfoot rollers
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Agronomy & Crop Science (AREA)
  • Structural Engineering (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Soil Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Architecture (AREA)
  • Paleontology (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Press Drives And Press Lines (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Glanulating (AREA)
  • Crushing And Grinding (AREA)
  • Metal Rolling (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
CH210367A 1966-02-14 1967-02-14 Procédé de conformation de matières CH468856A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA66804 1966-02-14

Publications (1)

Publication Number Publication Date
CH468856A true CH468856A (fr) 1969-02-28

Family

ID=25560966

Family Applications (1)

Application Number Title Priority Date Filing Date
CH210367A CH468856A (fr) 1966-02-14 1967-02-14 Procédé de conformation de matières

Country Status (10)

Country Link
US (3) US3533259A (fr)
AT (1) AT310117B (fr)
BE (1) BE694035A (fr)
CH (1) CH468856A (fr)
DE (1) DE1602671A1 (fr)
ES (1) ES336832A1 (fr)
FR (1) FR1511303A (fr)
GB (4) GB1184472A (fr)
IL (1) IL27419A (fr)
NL (1) NL6702223A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3744946A (en) * 1971-10-15 1973-07-10 Nat Standard Co Apparatus for fabricating continuous elongated components
FR2183814B1 (fr) * 1972-05-05 1976-06-11 Wacker Chemie Gmbh
GB1504890A (en) * 1976-08-13 1978-03-22 Atomic Energy Authority Uk Formation of articles
FR2325061A1 (fr) * 1975-09-19 1977-04-15 Cables De Lyon Geoffroy Delore Protection d'une fibre optique
US4233832A (en) * 1979-01-26 1980-11-18 Rowell Douglas W Method and apparatus for rolling metal wire or rod into wide, flat strips
GB2041268B (en) * 1979-02-01 1982-11-17 City University And Worshipful Rotary forging machine
DE3023508C1 (de) * 1980-06-24 1981-12-10 Heinz 4474 Lathen Bergmann Vorrichtung zum Verdichten von aus Verpackungsmaterial und leicht preßbaren Abfällen bestehendem Müll
GB2138731B (en) * 1983-04-26 1986-11-05 Penny & Giles Conductive Plast A method and apparatus for forming an extruded product from powdered or granular material or from feed-stock
JPS62297109A (ja) * 1986-06-17 1987-12-24 日本碍子株式会社 セラミツクハニカム構造体押出成形用ダイス
DE3814687A1 (de) * 1988-04-30 1989-11-09 Krupp Widia Gmbh Strangpresswerkzeug
US4996859A (en) * 1989-10-23 1991-03-05 A. J. Rose Manufacturing Company Method and apparatus for roll forming metal
US5622668A (en) * 1992-02-07 1997-04-22 The United States Of America As Represented By The Secretary Of The Air Force Method for preparing oriented polymer structures and said structures
US5342189A (en) * 1992-10-01 1994-08-30 Mitsubishi Aluminum Co., Ltd. Extrusion dies
US5887470A (en) * 1993-04-06 1999-03-30 Mirtsch; Frank Method and apparatus for dent profiling
JP2957154B2 (ja) * 1997-11-18 1999-10-04 株式会社三五 管端の成形方法とその装置
US6216512B1 (en) 1993-11-16 2001-04-17 Sango Co., Ltd. Method and apparatus for forming a processed portion of a workpiece
US6233993B1 (en) 1999-05-10 2001-05-22 Sango Co., Ltd. Method and apparatus for forming a processed portion of a workpiece
NL1016348C2 (nl) * 2000-07-21 2002-01-22 Johan Massue Werkwijze en forceermachine voor het vervormen van een hol werkstuk.
NL1015773C2 (nl) * 2000-07-21 2002-01-22 Johan Massue Werkwijze en inrichting voor het vervormen van een hol werkstuk.
NL1020171C2 (nl) * 2002-03-13 2003-09-16 Johan Massee Werkwijze en forceermachine voor het bewerken van een werkstuk.
IL166459A0 (en) * 2002-09-19 2006-01-15 Husky Injection Molding Cooling tube and method of use thereof
WO2016027871A1 (fr) * 2014-08-22 2016-02-25 日本精工株式会社 Procédé de fabrication d'élément annulaire et appareil de fabrication pour celui-ci
CN106808667B (zh) * 2016-12-02 2018-09-25 湖北工业大学 一种温致相交变面剪切塑化方法

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123905A (en) * 1964-03-10 Method of making honeycomb core
US259178A (en) * 1882-06-06 Machine for forming snaps on watch-covers
US1421667A (en) * 1919-05-24 1922-07-04 Budd Wheel Co Method of making wheel disks
US1781140A (en) * 1923-12-10 1930-11-11 Taylor James Hall Universal ring-rolling machine
US1698373A (en) * 1927-03-17 1929-01-08 Steel Wheel Corp Method of forming wheel disks
US1772538A (en) * 1927-06-04 1930-08-12 William H Donner Method and apparatus for die rolling
US1744549A (en) * 1927-09-29 1930-01-21 Kellogg M W Co Method of and means for forming flanged articles
US1929987A (en) * 1930-06-09 1933-10-10 Alice F Mead Rod reducing apparatus
US1897645A (en) * 1931-05-11 1933-02-14 Standard Forgings Company Apparatus for making forged steel wheels
US1984155A (en) * 1932-05-06 1934-12-11 Ramsey Accessories Mfg Corp Swaging tool for piston ring grooves
US2069496A (en) * 1933-04-15 1937-02-02 Kalman Steel Corp Rolling mill
US2049202A (en) * 1934-02-15 1936-07-28 Firm Ringfeder Gmbh Ring rolling mill
US2085963A (en) * 1935-07-12 1937-07-06 Pittsburgh Crucible Steel Comp Method of making a deformed bar
US2266418A (en) * 1937-08-09 1941-12-16 Martin E Evans Metalworking apparatus
US2429052A (en) * 1944-09-29 1947-10-14 Jr Arthur L Forbes Pipe end shaper
US2610532A (en) * 1947-09-27 1952-09-16 Heppenstall Co Ring rolling mill
US2921549A (en) * 1955-11-30 1960-01-19 Earl L Schwenk Holding fixture for spin-forming blanks
US3013451A (en) * 1958-02-17 1961-12-19 Albert W Scribner Metal rolling
US2978933A (en) * 1958-03-05 1961-04-11 Sendzimir Tadeusz Beambacked planetary rolling mill
US3260089A (en) * 1964-02-17 1966-07-12 Pet Milk Company Method and apparatus for forming a peripheral groove in a tubular body
US3339392A (en) * 1965-04-06 1967-09-05 Pittsburgh Des Moines Steel Bending structural shapes
US3370447A (en) * 1965-08-30 1968-02-27 Arrowhead Eng Corp Wheel fabricating machine

Also Published As

Publication number Publication date
GB1184471A (en) 1970-03-18
GB1184474A (en) 1970-03-18
US3533259A (en) 1970-10-13
US3608138A (en) 1971-09-28
US3685331A (en) 1972-08-22
BE694035A (fr) 1967-08-14
FR1511303A (fr) 1968-01-26
IL27419A (en) 1971-06-23
GB1184472A (en) 1970-03-18
ES336832A1 (es) 1968-04-01
AT310117B (de) 1973-09-25
NL6702223A (fr) 1967-08-15
GB1184473A (en) 1970-03-18
DE1602671A1 (de) 1970-11-26

Similar Documents

Publication Publication Date Title
FR1511303A (fr) Procédé de conformation de matières
FR1448654A (fr) Procédé de thermographie
FR1519113A (fr) Procédé de dimérisation
FR1499771A (fr) Procédé de photo-polymérisation
FR1530058A (fr) Procédé de purification
FR1511569A (fr) Procédé perfectionné de broyage
FR1533691A (fr) Procédé perfectionné de modification des polymères
FR1463471A (fr) Nouveau procédé photoconductographique
FR1462647A (fr) Procédé de reproduction thermo-graphique
FR1503469A (fr) Procédé de diazotypie
FR1440775A (fr) Procédé de photo-oximation continue des cyclanes
FR1472185A (fr) Procédé de construction
FR1480216A (fr) Procédé de construction
FR1484558A (fr) Procédé de filtration
CH437143A (fr) Procédé de cryo-séchage de matières
FR1441504A (fr) Procédé de polissage
FR1470072A (fr) Procédé de production de 4-amino-5-cyanopyrimidines
FR1511357A (fr) Procédé de désalkylation
FR1471332A (fr) Procédé de filtration
FR1476690A (fr) Procédé de moulage
FR1498667A (fr) Procédé chromatographique
FR1463522A (fr) Procédé perfectionné de polycopie
FR1527396A (fr) Procédé de teinture
FR1498674A (fr) Procédé de résolution de la dl-éphédrine
FR1510257A (fr) Procédé de production de caprolactone