DE69817395D1 - Hertellungsverfahren für die optische seele eines nachrichtenkabels - Google Patents

Hertellungsverfahren für die optische seele eines nachrichtenkabels

Info

Publication number
DE69817395D1
DE69817395D1 DE69817395T DE69817395T DE69817395D1 DE 69817395 D1 DE69817395 D1 DE 69817395D1 DE 69817395 T DE69817395 T DE 69817395T DE 69817395 T DE69817395 T DE 69817395T DE 69817395 D1 DE69817395 D1 DE 69817395D1
Authority
DE
Germany
Prior art keywords
soul
optical
manufacturing process
message cable
message
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 - Lifetime
Application number
DE69817395T
Other languages
English (en)
Inventor
Feliciano Cecchi
Giovanni Brandi
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 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 SpA filed Critical Pirelli SpA
Priority claimed from PCT/EP1998/007654 external-priority patent/WO1999030191A1/en
Application granted granted Critical
Publication of DE69817395D1 publication Critical patent/DE69817395D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • 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
    • B29C48/06—Rod-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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
    • B29C48/156—Coating two or more articles simultaneously
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/304—Extrusion nozzles or dies specially adapted for bringing together components, e.g. melts within the die
    • 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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • 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
    • G02B6/4486—Protective covering
DE69817395T 1997-12-04 1998-11-27 Hertellungsverfahren für die optische seele eines nachrichtenkabels Expired - Lifetime DE69817395D1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP97121295 1997-12-04
US6789997P 1997-12-08 1997-12-08
PCT/EP1998/007654 WO1999030191A1 (en) 1997-12-04 1998-11-27 Process for the manufacture of an optical core for a telecommunications cable

Publications (1)

Publication Number Publication Date
DE69817395D1 true DE69817395D1 (de) 2003-09-25

Family

ID=26145947

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69817395T Expired - Lifetime DE69817395D1 (de) 1997-12-04 1998-11-27 Hertellungsverfahren für die optische seele eines nachrichtenkabels

Country Status (2)

Country Link
US (1) US6500365B1 (de)
DE (1) DE69817395D1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI104589B (fi) * 1997-11-10 2000-02-29 Nextrom Holding Sa Menetelmä ja sovitelma toisiopäällystyslinjan yhteydessä
CA2373582A1 (en) * 2001-02-28 2002-08-28 Asahi Glass Company, Limited Optical fiber cable
BRPI0607986A2 (pt) * 2005-03-14 2009-10-27 Discus Dental Impressions Inc ángulo de profilaxia
CN102285082A (zh) * 2010-12-02 2011-12-21 晋江恒顺环保节能科技有限公司 碳素纤维加热器的制造装备及方法
FR2978081A1 (fr) * 2011-07-18 2013-01-25 Wavin Bv Procede de fabrication d'un micro-tube
US9594226B2 (en) 2013-10-18 2017-03-14 Corning Optical Communications LLC Optical fiber cable with reinforcement
JP6368449B1 (ja) * 2017-12-26 2018-08-01 理研興業株式会社 樹脂線付きワイヤロープ、樹脂線巻付型及び樹脂線付きワイヤロープの製造方法
US11559918B2 (en) * 2018-10-10 2023-01-24 Rolls-Royce Corporation Additively manufactured composite components

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4221756A (en) * 1978-09-15 1980-09-09 Western Electric Company, Incorporated Methods of enclosing a plurality of conductors in a partitioned jacket
GB2113903B (en) 1982-01-12 1985-12-04 Standard Telephones Cables Ltd Cable manufacture
US4910057A (en) * 1982-04-02 1990-03-20 Hoechst Celanese Corporation Melt extruded elongated member suitable for improved service as a stiffening support in an optical fiber cable
US4541970A (en) 1983-02-24 1985-09-17 At&T Bell Laboratories Method for fabricating a cable core including optical fibers
GB2176905B (en) * 1985-06-27 1989-10-11 Stc Plc Optical fibre cables
US4767183A (en) * 1986-05-12 1988-08-30 Westinghouse Electric Corp. High strength, heavy walled cable construction
GB2191872B (en) 1986-06-17 1989-12-28 Stc Plc Optical fibre cables
JPH0545611U (ja) 1991-11-19 1993-06-18 古河電気工業株式会社 架空送電線巻き付け用光フアイバケ−ブル
US5440659A (en) 1993-09-30 1995-08-08 At&T Corp. Method for fabricating a fiber optic cable having improved polarization mode dispersion (PMD) performance
GB2303938A (en) 1995-07-31 1997-03-05 Stc Submarine Systems Ltd Optical fibre cable having kingwire bearing extruded thermoplastic elastomer layers

Also Published As

Publication number Publication date
US6500365B1 (en) 2002-12-31

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Legal Events

Date Code Title Description
8332 No legal effect for de