GB1277496A - Light-conducting solid bodies and production thereof - Google Patents

Light-conducting solid bodies and production thereof

Info

Publication number
GB1277496A
GB1277496A GB44747/69A GB4474769A GB1277496A GB 1277496 A GB1277496 A GB 1277496A GB 44747/69 A GB44747/69 A GB 44747/69A GB 4474769 A GB4474769 A GB 4474769A GB 1277496 A GB1277496 A GB 1277496A
Authority
GB
United Kingdom
Prior art keywords
polymers
proportions
sept
mixture
light
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
GB44747/69A
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.)
Nippon Selfoc Co Ltd
Original Assignee
Nippon Selfoc Co Ltd
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 Nippon Selfoc Co Ltd filed Critical Nippon Selfoc Co Ltd
Publication of GB1277496A publication Critical patent/GB1277496A/en
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
    • G02B6/02—Optical fibres with cladding with or without a coating
    • G02B6/02033—Core or cladding made from organic material, e.g. polymeric material
    • G02B6/02038—Core or cladding made from organic material, e.g. polymeric material with core or cladding having graded refractive index
    • 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
    • B29D11/00682—Production of light guides with a refractive index gradient
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
  • Multicomponent Fibers (AREA)

Abstract

1277496 Conjugate fibres NIPPON SELFOC KK 10 Sept 1969 [19 Sept 1968] 44747/69 Heading B5B [Also in Divisions C3 and G2] A method of producing a light-conducting synthetic resin body comprises preparing a mixture of two transparent polymers of different refractive indices and of different solubilities in a given solvent, forming the mixture into a solid elongated body, and treating the body with the solvent to extract the polymers in different proportions from the original proportions and so produce a body in which the relative proportions of the two materials varies progressively along a transverse radial line. Polymers used are homo- or copolymers of styrene, nuclear and or side chain-substituted styrenes such as α- methyl styrene and vinyl toluenes, lower alkyl methacrylates, vinyl chloride and vinyl esters. Stabilizers, plasticizers, lubricants and fillers may be used. In preparing the original body, heat plasticized polymers may be rolled or kneaded, powders may be dry blended whilst solutions of polymers may be mixed directly and the solvents evaporated off. In moulding the composite body, extrusion, injection, compression and transfer techniques may be used; fibres may be spun.
GB44747/69A 1968-09-19 1969-09-10 Light-conducting solid bodies and production thereof Expired GB1277496A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6810368 1968-09-19

Publications (1)

Publication Number Publication Date
GB1277496A true GB1277496A (en) 1972-06-14

Family

ID=13364055

Family Applications (1)

Application Number Title Priority Date Filing Date
GB44747/69A Expired GB1277496A (en) 1968-09-19 1969-09-10 Light-conducting solid bodies and production thereof

Country Status (5)

Country Link
BE (1) BE739086A (en)
DE (1) DE1946443C3 (en)
FR (1) FR2019466A1 (en)
GB (1) GB1277496A (en)
NL (1) NL164967C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377047A (en) * 1992-04-13 1994-12-27 Linvatec Corporation Disposable endoscope employing positive and negative gradient index of refraction optical materials
US5416638A (en) * 1992-02-06 1995-05-16 Linvatec Corporation Disposable endoscope
US5892630A (en) * 1992-02-10 1999-04-06 Linvatec Corporation Disposable endoscope
WO2015121437A1 (en) * 2014-02-14 2015-08-20 Adolphe Merkle Institute, University Of Fribourg Physiologically responsive mechanically adaptive polymer optical fibers, production and methods of use

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718383A (en) * 1971-04-19 1973-02-27 Eastman Kodak Co Plastic optical element having refractive index gradient
JPS525857B2 (en) * 1972-10-23 1977-02-17
DE2851696A1 (en) * 1978-11-29 1980-06-26 Siemens Ag Coupling element for optical data transmission - has body with sloping reflective surface between branch fibre and filter with detector
JPS5986003A (en) * 1982-11-09 1984-05-18 Mitsubishi Rayon Co Ltd Manufacture of synthetic resin body for transmitting image
US4799761A (en) * 1986-03-27 1989-01-24 Mitsubishi Rayon Co., Ltd. Plastic optical transmission medium, process for producing the same and array of lenses using the same
JP2820682B2 (en) * 1986-07-08 1998-11-05 ルーミナイト インターナショナル コーポレイション Plastic optical transmitter
US5122314A (en) * 1990-12-04 1992-06-16 Eastman Kodak Company Method for fabricating grin lens elements by spin molding
FR2682969B1 (en) * 1991-10-25 1993-12-03 Verre Fluore Sa PROCESS FOR THE CONTINUOUS MANUFACTURE OF FIBERS OF POLYMERIZABLE MATERIAL, IN PARTICULAR OF POLYMERIC OPTICAL FIBERS.

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5416638A (en) * 1992-02-06 1995-05-16 Linvatec Corporation Disposable endoscope
US5519532A (en) * 1992-02-06 1996-05-21 Linvatec Corporation Disposable endoscope
US5892630A (en) * 1992-02-10 1999-04-06 Linvatec Corporation Disposable endoscope
US5377047A (en) * 1992-04-13 1994-12-27 Linvatec Corporation Disposable endoscope employing positive and negative gradient index of refraction optical materials
WO2015121437A1 (en) * 2014-02-14 2015-08-20 Adolphe Merkle Institute, University Of Fribourg Physiologically responsive mechanically adaptive polymer optical fibers, production and methods of use
US10481323B2 (en) 2014-02-14 2019-11-19 Adolphe Merkle Institute, University Of Fribourg Physiologically responsive mechanically adaptive polymer optical fibers, production and methods of use

Also Published As

Publication number Publication date
DE1946443B2 (en) 1978-01-19
NL164967C (en) 1981-02-16
FR2019466A1 (en) 1970-07-03
BE739086A (en) 1970-03-02
DE1946443A1 (en) 1970-04-02
DE1946443C3 (en) 1978-09-28
NL6914112A (en) 1970-03-23

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years