FR2508374B1 - Procede permettant de former des rainures longitudinales sur un filament en materiau thermoplastique ou a la surface d'un corps cylindrique allonge - Google Patents

Procede permettant de former des rainures longitudinales sur un filament en materiau thermoplastique ou a la surface d'un corps cylindrique allonge

Info

Publication number
FR2508374B1
FR2508374B1 FR8210110A FR8210110A FR2508374B1 FR 2508374 B1 FR2508374 B1 FR 2508374B1 FR 8210110 A FR8210110 A FR 8210110A FR 8210110 A FR8210110 A FR 8210110A FR 2508374 B1 FR2508374 B1 FR 2508374B1
Authority
FR
France
Prior art keywords
filament
cylindrical body
thermoplastic material
longitudinal grooves
elongated cylindrical
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
FR8210110A
Other languages
English (en)
Other versions
FR2508374A1 (fr
Inventor
Enrico Dotti
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.)
Pirelli and C SpA
Original Assignee
Pirelli Cavi SpA
Cavi Pirelli SpA
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 Pirelli Cavi SpA, Cavi Pirelli SpA filed Critical Pirelli Cavi SpA
Publication of FR2508374A1 publication Critical patent/FR2508374A1/fr
Application granted granted Critical
Publication of FR2508374B1 publication Critical patent/FR2508374B1/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/449—Twisting
    • 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
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B29C59/043—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts for profiled articles
    • 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
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/82—Forcing wires, nets or the like partially or completely into the surface of an article, e.g. by cutting and pressing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4479—Manufacturing methods of optical cables
    • G02B6/4489—Manufacturing methods of optical cables of central supporting members of lobe structure
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Surface Treatment Of Glass Fibres Or Filaments (AREA)
FR8210110A 1981-06-26 1982-06-10 Procede permettant de former des rainures longitudinales sur un filament en materiau thermoplastique ou a la surface d'un corps cylindrique allonge Expired FR2508374B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT22578/81A IT1138823B (it) 1981-06-26 1981-06-26 Metodo ed apparecchiatura per la produzione di scanalature in un filamento allungato

Publications (2)

Publication Number Publication Date
FR2508374A1 FR2508374A1 (fr) 1982-12-31
FR2508374B1 true FR2508374B1 (fr) 1986-12-19

Family

ID=11198036

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8210110A Expired FR2508374B1 (fr) 1981-06-26 1982-06-10 Procede permettant de former des rainures longitudinales sur un filament en materiau thermoplastique ou a la surface d'un corps cylindrique allonge

Country Status (10)

Country Link
US (1) US4528148A (fr)
AR (1) AR231004A1 (fr)
AU (1) AU546653B2 (fr)
BR (1) BR8203794A (fr)
CA (1) CA1190366A (fr)
ES (2) ES514391A0 (fr)
FR (1) FR2508374B1 (fr)
GB (1) GB2102723B (fr)
IT (1) IT1138823B (fr)
NZ (1) NZ200566A (fr)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8419751D0 (en) * 1984-08-02 1984-09-05 Telephone Cables Ltd Optical cable
FR2573341B1 (fr) * 1984-11-21 1987-01-30 Pirelli Treficable Tete d'extrusion rotative, notamment pour la fabrication de joncs a rainures helicoidales pour fibres optiques
IT1177430B (it) * 1984-12-17 1987-08-26 Pirelli Cavi Spa Procedimento e apparecchiatura per la produzione di un nucleo provvisto di scanalature ad elica aperta per cavi elementari a fibre ottiche
GB8501450D0 (en) * 1985-01-21 1985-02-20 Bicc Plc Optical cable manufacture
IT1185951B (it) * 1985-09-27 1987-11-18 Pirelli Cavi Spa Procedimento e linea per la produzione di cavi
US4872824A (en) * 1987-03-16 1989-10-10 Northern Telecom Limited Apparatus for producing grooved support member for optic fibers
GB8717578D0 (en) * 1987-07-24 1987-09-03 Telephone Cables Ltd Communication cables
US5248513A (en) * 1989-03-02 1993-09-28 Nestec, S.A. Process to deform surfaces of extruded materials
EP0384929B1 (fr) * 1989-03-02 1993-05-12 Frisco-Findus Ag Dispositif, installation et procédé de fabrication de gâteaux extrudés
US5312569A (en) * 1991-10-30 1994-05-17 Poly-Optical Products, Inc. Method for marring fiber optic substrates
US5312570A (en) * 1992-02-21 1994-05-17 Poly-Optical Products, Inc. System and method for preparing fiber optic ribbons
US5380472A (en) * 1992-05-08 1995-01-10 Siemens Aktiengesellschaft Method and apparatus for manufacturing chamber members for accepting light waveguides
JPH06201936A (ja) * 1992-12-28 1994-07-22 Matsushita Electric Ind Co Ltd 光ファイバアレイ及びその製造方法
US6066798A (en) * 1995-06-07 2000-05-23 Siecor Corporation Slotted core telecommunications cable
US5770122A (en) * 1997-04-11 1998-06-23 Curchod; Donald B. Roll former for an extruded fresnel lens
DE19732377A1 (de) * 1997-07-25 1999-02-04 Kirschbaum Sportartikel Gmbh Saite für einen Ballspielschläger
US5912026A (en) * 1997-08-25 1999-06-15 Preferred Plastic Sheet Company Device for providing a hinge to extruded plastic
US6770235B1 (en) * 2000-12-01 2004-08-03 Torque-Traction Technologies, Inc. Method for adjusting the shape of a low friction coating on a splined slip joint member
US7789650B2 (en) * 2006-12-22 2010-09-07 N.P. Johnson Family Limited Partnership Fresnel lens angular segment manufacturing apparatus and method
US7789652B2 (en) * 2006-12-22 2010-09-07 N.P. Johnson Family Limited Partnership Fresnel lens angular segment manufacturing apparatus and method
US7789651B2 (en) * 2006-12-22 2010-09-07 N. P. Johnson Family Limited Partnership Presnel lens angular segment manufacturing apparatus and method
US8900500B2 (en) 2011-01-08 2014-12-02 Black Night Enterprises, Inc. Facet deformation minimizing fresnel lens die roller and manufacturing method
ITUA20163742A1 (it) * 2016-05-24 2017-11-24 Maurizio Mirabile "procedimento per la realizzazione di un sensore inclinometrico a fibra ottica, e sensore inclinometrico così ottenuto"

Family Cites Families (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1668004A (en) * 1926-06-28 1928-05-01 Caron Desire Dowel machine
GB421299A (en) * 1933-10-06 1934-12-18 Forgrove Mach Improvements relating to the manufacture of pieces of toffee and like confectionery
US2303888A (en) * 1940-05-08 1942-12-01 William J Miller Cutting off plastic ceramic bodies from parent masses
GB732627A (en) * 1952-09-11 1955-06-29 Alfred Kreidler Improvements in and relating to the manufacture of gear wheels
US2867001A (en) * 1954-12-03 1959-01-06 Western Insulated Wire Co Means and method for forming indicia on the surface of continuous vulcanized products
GB849916A (en) * 1956-01-31 1960-09-28 Bayer Ag Process for rendering surfaces of articles of thermoplastic materials more resistant to slipping
GB867878A (en) * 1958-01-08 1961-05-10 Ici Ltd Improvements in the production of fins or ribs on elongate metal articles
LU38520A1 (fr) * 1959-04-17
FR1354863A (fr) * 1962-12-19 1964-03-13 Pneumatiques Caoutchouc Mfg Procédé et appareillage de fabrication d'un tube en matière thermoplastique rigide ou semi-rigide cintrable à froid
GB987733A (en) * 1963-02-19 1965-03-31 Isin Ivanier Wire and products thereof
US3331674A (en) * 1963-11-29 1967-07-18 Westinghouse Electric Corp Fluorescent lamp bulb spiral groove forming device
US3364559A (en) * 1965-06-15 1968-01-23 Reynolds Metals Co Producing wrought metal bar
FR1476393A (fr) * 1966-04-19 1967-04-07 Little Inc A Appareil et procédé pour former un filet hélicoïdal dans la surface d'un cylindre allongé en matière thermoplastique
US3435107A (en) * 1967-05-18 1969-03-25 Teleflex Inc Method of manufacturing a motion transmitting remote control assembly
DE1679930C2 (de) * 1967-05-20 1985-02-07 Bethge, Dietrich, Riehen Vorrichtung zum Verlegen fadenförmigen Materials, insbesondere dünnsten Drahtes, in die Oberfläche von als Trägermaterial dienendem thermoplastischem Kunstsoff, insbesondere zum Herstellen von Flächenheizkörpern
GB1267517A (en) * 1968-10-10 1972-03-22 Scragg & Sons Producing filaments from films
GB1262466A (en) * 1968-10-30 1972-02-02 Isin Ivanier Wire products; apparatus and process for the production thereof
GB1319240A (en) * 1969-11-28 1973-06-06 Rose Forgrove Ltd Formation of a rod of plastic material having a twisted appearance
FR2388930A1 (fr) * 1977-04-27 1978-11-24 Lignes Telegraph Telephon Procede de fabrication en ligne d'elements de cablage a fibres optiques
AT362143B (de) * 1977-12-27 1981-04-27 Pichler Heinrich Verfahren und vorrichtung zum einbetten von laenglichen verstaerkungselementen, insbesondere glasfasern grosser laenge, in kunststoffteile
EP0002976B1 (fr) * 1978-01-04 1982-03-10 Lignes Telegraphiques Et Telephoniques L.T.T. Dispositif d'usinage en continu de rainures en hélice sur une tige cylindrique
FR2419524A1 (fr) * 1978-03-08 1979-10-05 Lignes Telegraph Telephon Elements de cable a fibres optiques et cables les incorporant
US4205899A (en) * 1978-06-08 1980-06-03 Northern Telecom Limited Optical cables
US4154049A (en) * 1978-06-08 1979-05-15 Northern Telecom Limited Method and apparatus for forming optical cables
FR2456959A1 (fr) * 1979-05-15 1980-12-12 Lignes Telegraph Telephon Poste d'usinage pour ligne de fabrication d'elements de cables a fibres optiques et ligne de fabrication l'incorporant
FR2470979B1 (fr) * 1979-12-06 1985-11-29 Foptica Sa Procede et installation de fabrication de cables a fibres optiques
US4361381A (en) * 1980-10-06 1982-11-30 Northern Telecom Limited Optical cable

Also Published As

Publication number Publication date
IT8122578A0 (it) 1981-06-26
BR8203794A (pt) 1983-06-21
ES266631U (es) 1983-04-01
GB2102723A (en) 1983-02-09
NZ200566A (en) 1985-08-16
IT1138823B (it) 1986-09-17
AU8324982A (en) 1983-01-06
ES8309027A1 (es) 1983-10-16
AR231004A1 (es) 1984-08-31
FR2508374A1 (fr) 1982-12-31
ES266631Y (es) 1983-10-16
US4528148A (en) 1985-07-09
CA1190366A (fr) 1985-07-16
AU546653B2 (en) 1985-09-12
GB2102723B (en) 1985-06-26
ES514391A0 (es) 1983-10-16

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Legal Events

Date Code Title Description
EM Correction of a material error concerning inscription in the national patent register
ST Notification of lapse