CA2002510A1 - Bobine dilatable pour essais sur materiaux filamentaires, plus particulierement sur fibres optiques - Google Patents

Bobine dilatable pour essais sur materiaux filamentaires, plus particulierement sur fibres optiques

Info

Publication number
CA2002510A1
CA2002510A1 CA2002510A CA2002510A CA2002510A1 CA 2002510 A1 CA2002510 A1 CA 2002510A1 CA 2002510 A CA2002510 A CA 2002510A CA 2002510 A CA2002510 A CA 2002510A CA 2002510 A1 CA2002510 A1 CA 2002510A1
Authority
CA
Canada
Prior art keywords
reel
filamentary material
members
optical fibres
tests
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.)
Granted
Application number
CA2002510A
Other languages
English (en)
Other versions
CA2002510C (fr
Inventor
Giuseppe Cocito
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.)
Telecom Italia SpA
Original Assignee
SIP Societa Italiana per lEsercizio delle Telecomunicazioni 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 SIP Societa Italiana per lEsercizio delle Telecomunicazioni SpA filed Critical SIP Societa Italiana per lEsercizio delle Telecomunicazioni SpA
Publication of CA2002510A1 publication Critical patent/CA2002510A1/fr
Application granted granted Critical
Publication of CA2002510C publication Critical patent/CA2002510C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/18—Constructional details
    • B65H75/24—Constructional details adjustable in configuration, e.g. expansible
    • B65H75/242—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages
    • B65H75/243—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid
    • B65H75/2437—Expansible spindles, mandrels or chucks, e.g. for securing or releasing cores, holders or packages actuated by use of a fluid comprising a fluid-pressure-actuated elastic member, e.g. a diaphragm or a pneumatic tube
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/088—Testing mechanical properties of optical fibres; Mechanical features associated with the optical testing of optical fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/32—Optical fibres or optical cables
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02—Details not specific for a particular testing method
    • G01N2203/026—Specifications of the specimen
    • G01N2203/0262—Shape of the specimen
    • G01N2203/0278—Thin specimens
    • G01N2203/028—One dimensional, e.g. filaments, wires, ropes or cables

Landscapes

  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Storage Of Web-Like Or Filamentary Materials (AREA)
  • Light Guides In General And Applications Therefor (AREA)
CA002002510A 1988-11-16 1989-11-08 Bobine dilatable pour essais sur materiaux filamentaires, plus particulierement sur fibres optiques Expired - Lifetime CA2002510C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT68018-A/88 1988-11-16
IT68018/88A IT1223907B (it) 1988-11-16 1988-11-16 Bobina espandibile per prove su materiale in filo in particolare fibre ottiche

Publications (2)

Publication Number Publication Date
CA2002510A1 true CA2002510A1 (fr) 1990-05-16
CA2002510C CA2002510C (fr) 1994-04-12

Family

ID=11307229

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002002510A Expired - Lifetime CA2002510C (fr) 1988-11-16 1989-11-08 Bobine dilatable pour essais sur materiaux filamentaires, plus particulierement sur fibres optiques

Country Status (6)

Country Link
US (1) US4991791A (fr)
EP (1) EP0374470B1 (fr)
JP (1) JPH0675022B2 (fr)
CA (1) CA2002510C (fr)
DE (2) DE68906770T2 (fr)
IT (1) IT1223907B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5690300A (en) * 1996-08-09 1997-11-25 Double E. Company, Inc. Interlocked core shaft
US6079662A (en) * 1999-03-31 2000-06-27 Tidland Corporation Slip shaft assembly having core axial position fixing mechanism
US20030059192A1 (en) * 2001-09-21 2003-03-27 Johnson Christopher P. Apparatus and method for holding coilable elongated product

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE235325C (fr) * 1910-07-12
US2950071A (en) * 1957-08-12 1960-08-23 Arthur T Williams Expansible shaft
US3047250A (en) * 1961-06-23 1962-07-31 Norman Ind Inc Van Reel construction
US3289966A (en) * 1965-05-12 1966-12-06 Allegheny Ludlum Steel Coil support device
US3871592A (en) * 1973-08-03 1975-03-18 Ppg Industries Inc Apparatus for winding glass strands
CA1032142A (fr) * 1975-07-14 1978-05-30 Bercu Mocle Touret a mandrin pneumatique
CA1040608A (fr) * 1975-07-18 1978-10-17 Alcan Research And Development Limited Touret a mandrin expansible
CA1160611A (fr) * 1981-06-15 1984-01-17 Masamichi Yataki Bobine reglable
DE3605846A1 (de) * 1986-02-22 1987-08-27 Smg Stahlkontor Maschinenbau G Spannbare wickelwelle

Also Published As

Publication number Publication date
DE68906770D1 (de) 1993-07-01
IT8868018A0 (it) 1988-11-16
EP0374470B1 (fr) 1993-05-26
DE374470T1 (de) 1991-05-23
JPH02173545A (ja) 1990-07-05
JPH0675022B2 (ja) 1994-09-21
EP0374470A3 (fr) 1991-01-23
CA2002510C (fr) 1994-04-12
EP0374470A2 (fr) 1990-06-27
US4991791A (en) 1991-02-12
DE68906770T2 (de) 1993-10-07
IT1223907B (it) 1990-09-29

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry