CA1034312A - Method and apparatus for forming material having a predefined cross-section - Google Patents

Method and apparatus for forming material having a predefined cross-section

Info

Publication number
CA1034312A
CA1034312A CA225,375A CA225375A CA1034312A CA 1034312 A CA1034312 A CA 1034312A CA 225375 A CA225375 A CA 225375A CA 1034312 A CA1034312 A CA 1034312A
Authority
CA
Canada
Prior art keywords
section
forming material
predefined cross
predefined
cross
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
CA225,375A
Other languages
English (en)
French (fr)
Inventor
Jack Wireman
Richard E. Kazares
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.)
AMF Inc
Steelastic West Inc
Original Assignee
AMF Inc
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 AMF Inc filed Critical AMF Inc
Application granted granted Critical
Publication of CA1034312A publication Critical patent/CA1034312A/en
Expired legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/22Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
    • B29C43/224Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length having a profiled section, e.g. tubes, rods
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/07Flat, e.g. panels
    • B29C48/08Flat, e.g. panels flexible, e.g. films
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/30Extrusion nozzles or dies
    • B29C48/35Extrusion nozzles or dies with rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25Component parts, details or accessories; Auxiliary operations
    • B29C48/92Measuring, controlling or regulating
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/44Compression means for making articles of indefinite length
    • B29C43/46Rollers
    • B29C2043/461Rollers the rollers having specific surface features
    • B29C2043/464Rollers the rollers having specific surface features having projections or knives, e.g. for cutting-out or for forming local depressions
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/44Compression means for making articles of indefinite length
    • B29C43/46Rollers
    • B29C2043/461Rollers the rollers having specific surface features
    • B29C2043/465Rollers the rollers having specific surface features having one or more cavities, e.g. for forming distinct products
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92114Dimensions
    • B29C2948/92133Width or height
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92114Dimensions
    • B29C2948/92161Volume or quantity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92209Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92009Measured parameter
    • B29C2948/92314Particular value claimed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92323Location or phase of measurement
    • B29C2948/92428Calibration, after-treatment, or cooling zone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/9259Angular velocity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/9258Velocity
    • B29C2948/926Flow or feed rate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92628Width or height
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92609Dimensions
    • B29C2948/92657Volume or quantity
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92704Temperature
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92504Controlled parameter
    • B29C2948/92809Particular value claimed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00Indexing scheme relating to extrusion moulding
    • B29C2948/92Measuring, controlling or regulating
    • B29C2948/92819Location or phase of control
    • B29C2948/92952Drive section, e.g. gearbox, motor or drive fluids
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B29C43/32Component parts, details or accessories; Auxiliary operations
    • B29C43/44Compression means for making articles of indefinite length
    • B29C43/46Rollers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03Extrusion 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
    • B29C48/05Filamentary, e.g. strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Tyre Moulding (AREA)
CA225,375A 1974-08-28 1975-04-24 Method and apparatus for forming material having a predefined cross-section Expired CA1034312A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/501,375 US3975126A (en) 1974-08-28 1974-08-28 Method and apparatus for forming material having a predefined cross-section

Publications (1)

Publication Number Publication Date
CA1034312A true CA1034312A (en) 1978-07-11

Family

ID=23993299

Family Applications (1)

Application Number Title Priority Date Filing Date
CA225,375A Expired CA1034312A (en) 1974-08-28 1975-04-24 Method and apparatus for forming material having a predefined cross-section

Country Status (6)

Country Link
US (1) US3975126A (de)
JP (1) JPS5848340B2 (de)
CA (1) CA1034312A (de)
DE (1) DE2532071C2 (de)
FR (1) FR2282993A1 (de)
GB (1) GB1471509A (de)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087499A (en) * 1975-08-07 1978-05-02 The Goodyear Tire & Rubber Company Method for controlling uniformity in tire tread stock
US4088721A (en) * 1976-09-24 1978-05-09 The Goodyear Tire & Rubber Company Method and apparatus for controlling the thickness of extruded stock
US4240863A (en) * 1979-04-12 1980-12-23 Caterpillar Tractor Co. Control system for an elastomer extrusion and applicator apparatus
US4260578A (en) * 1979-10-18 1981-04-07 Amf Incorporated Method and apparatus for making elastomer sheet material
US4372736A (en) * 1981-02-17 1983-02-08 Usm Corporation Adjustable roller head extrusion die
DE3806387A1 (de) * 1988-02-29 1989-09-07 Troester Maschf Paul Verfahren und vorrichtung zur bearbeitung von elastomerischen massen, insbesondere kunststoff, kautschuk und deren mischungen
US5174845A (en) * 1990-05-14 1992-12-29 Thiokol Corporation Insulation wrapping strip with variable configuration
JPH0822569B2 (ja) * 1990-11-02 1996-03-06 株式会社東海理化電機製作所 押出成形方法及び軟質モール
SE502508C2 (sv) * 1994-03-03 1995-11-06 Dacapo Ltd Styrsystem och förfarande vid beläggning av en stomme med en slitbana
IT1290520B1 (it) * 1997-04-03 1998-12-04 Pirelli Metodo ed apparato di estrusione per realizzare fasce battistrada per pneumatici di veicoli
DE19826363A1 (de) * 1998-06-12 1999-12-23 Berstorff Gmbh Masch Hermann Breitschlitzdüse zur Herstellung von Bahnen aus einem geschäumten Kunststoff
JP4420491B2 (ja) * 1998-06-29 2010-02-24 株式会社ブリヂストン タイヤ構成部材用ゴム材料の張付方法及び張付装置
EP1358998B1 (de) * 2001-01-31 2008-01-16 Bridgestone Corporation Verfahren zur herstellung von reifen
JP4637412B2 (ja) * 2001-07-25 2011-02-23 株式会社ブリヂストン ゴム成型体の製造方法およびその装置
DE10201833B4 (de) * 2002-01-18 2012-06-21 Hew-Kabel Gmbh Verfahren zur Herstellung eines Wickelbandes aus ungesintertem Polytetrafluorethylen
WO2004022322A1 (en) * 2002-05-31 2004-03-18 Pirelli Pneumatici S.P.A. A method and apparatus for manufacturing elastomeric components of a tyre for vehicle wheels
US7052568B2 (en) * 2002-10-28 2006-05-30 Bridgestone Firestone North American Tire, Llc Tire retreading method
US20090283203A1 (en) * 2006-08-09 2009-11-19 Maurizio Marchini Process and apparatus for building pneumatic tyres
EP2094475B1 (de) * 2006-10-31 2011-12-28 Pirelli Tyre S.p.A. Verfahren und vorrichtung zum bau von luftreifen
JP5297711B2 (ja) * 2008-07-18 2013-09-25 株式会社ブリヂストン ゴム部材の成形装置及び成形方法
JP5735932B2 (ja) * 2012-06-07 2015-06-17 住友ゴム工業株式会社 ゴムストリップの製造方法及び製造装置
FR3001654B1 (fr) * 2013-02-01 2015-06-19 Michelin & Cie Appareil et procede pour extruder un melange d'elastomere
EP3354433A1 (de) * 2017-01-31 2018-08-01 Covestro Deutschland AG Vorrichtung mit freilaufenden kühlwalzen zur herstellung eines faserverbundwerkstoffs in form eines mit polymer imprägnierten faserbands, verfahren zur herstellung dieses faserbands, ein imprägniertes faserband und ein aus dem imprägnierten faserband hergestellter mehrschichtverbund
FR3093459A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Gestion de Température des Mélanges de Caoutchouc Sortant un Mélangeur à Bi-Vis Conique Convergente
FR3093457A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis avec Éléments Amovibles
FR3093456A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Mécanisme de Sortie d’un Mélangeur à Bi-Vis Conique Convergente
FR3093458A1 (fr) 2019-03-06 2020-09-11 Compagnie Generale Des Etablissements Michelin Machine de Mélangeage et d’Extrusion à Bi-Vis Autonettoyante et Méthode d’Utilisation
CN110605802B (zh) * 2019-09-16 2021-08-31 安徽金诚复合材料有限公司 一种宽体高顶车保险杠生产用上下模压合装置及其工作方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2583842A (en) * 1947-07-09 1952-01-29 Eljer Company Method and apparatus for casting ceramic articles
US2774988A (en) * 1948-03-23 1956-12-25 American Cyanamid Co Capsule forming gelatin film stripping
US2693007A (en) * 1950-04-18 1954-11-02 Us Rubber Co Molding method
DE971776C (de) * 1953-04-11 1959-03-26 Hermann Berstorff Maschb Ansta Einrichtung zur Herstellung von Folien aus Gummi oder Kunststoffen
FR1234593A (fr) * 1958-09-04 1960-10-18 Goodrich Co B F Procédé et dispositif pour fabriquer des profilés plastiques
US2974364A (en) * 1958-12-30 1961-03-14 Sylvania Electric Prod Process and apparatus for obtaining smooth surfaces on films
US3421960A (en) * 1964-04-01 1969-01-14 Beloit Corp Bonding technique and apparatus for plastic structures
US3408694A (en) * 1966-08-25 1968-11-05 Stewart Bolling & Co Inc Extruder
US3635627A (en) * 1969-09-05 1972-01-18 Franklin E Palmer Calender sheeting thickness correction control system
US3734659A (en) * 1970-12-07 1973-05-22 Kg Ind Inc Drive means for material compacting apparatus
JPS5233660B2 (de) * 1973-06-19 1977-08-30

Also Published As

Publication number Publication date
DE2532071C2 (de) 1985-09-26
JPS5848340B2 (ja) 1983-10-27
FR2282993B1 (de) 1979-04-13
GB1471509A (en) 1977-04-27
FR2282993A1 (fr) 1976-03-26
JPS5125578A (de) 1976-03-02
US3975126A (en) 1976-08-17
DE2532071A1 (de) 1976-03-18

Similar Documents

Publication Publication Date Title
CA1034312A (en) Method and apparatus for forming material having a predefined cross-section
IL46416A0 (en) A construction material and process and apparatus for its production
CA1032614A (en) Laser material removal apparatus
CA1022452A (en) Method and apparatus for cutting plastics materials
AU504933B2 (en) Package making method and apparatus
AU500142B2 (en) Method and apparatus for separating magnetic material
CA1020087A (en) Apparatus and process for preventing blow-outs
CA1026127A (en) Method and apparatus for rolling metallic material
AU527905B2 (en) Method and apparatus for forming a laminate
CA1024837A (en) Method and apparatus for producing a piled yarn
AU473451B2 (en) Method and apparatus for stacking
CA1012054A (en) Gum sheet feed apparatus and method
CA1021580A (en) Method and apparatus for forming a bottom protection
CA1024263A (en) Method and apparatus for addressing a microprogramme
ZA755083B (en) A method and apparatus for the manufacture of a laminar sheet
AU494542B2 (en) Material handling apparatus
CA1023328A (en) Material handling apparatus
AU469747B2 (en) Method and apparatus for arranging objects
AU488616B1 (en) Method of and apparatus for forming a multiply yarn
SU609583A1 (ru) Способ изготовлени шаров и устройство дл его осуществлени
AU485850B2 (en) A method and apparatus for treating particulate material
CA1034483A (en) Seambusting apparatus and method
AU490673B2 (en) Method and apparatus for treating a sulfurous material
AU7719175A (en) A method and apparatus for treating particulate material
AU8001475A (en) Method of and apparatus for forming a multiply yarn

Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 19950711