FR2498519A1 - Miroir leger et son procede de realisation - Google Patents

Miroir leger et son procede de realisation Download PDF

Info

Publication number
FR2498519A1
FR2498519A1 FR8101555A FR8101555A FR2498519A1 FR 2498519 A1 FR2498519 A1 FR 2498519A1 FR 8101555 A FR8101555 A FR 8101555A FR 8101555 A FR8101555 A FR 8101555A FR 2498519 A1 FR2498519 A1 FR 2498519A1
Authority
FR
France
Prior art keywords
tube
fibers
substrate
mirror
axis
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
FR8101555A
Other languages
English (en)
French (fr)
Other versions
FR2498519B1 (cg-RX-API-DMAC10.html
Inventor
Pierre Frixon
Michel Lequime
Andre Manson
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.)
Bertin Technologies SAS
Original Assignee
Bertin et Cie SA
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 Bertin et Cie SA filed Critical Bertin et Cie SA
Priority to FR8101555A priority Critical patent/FR2498519A1/fr
Publication of FR2498519A1 publication Critical patent/FR2498519A1/fr
Application granted granted Critical
Publication of FR2498519B1 publication Critical patent/FR2498519B1/fr
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/18Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side
    • B32B3/20Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by an internal layer formed of separate pieces of material which are juxtaposed side-by-side of hollow pieces, e.g. tubes; of pieces with channels or cavities
    • 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
    • B29C70/00Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/04Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/06Fibrous reinforcements only
    • B29C70/10Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres
    • B29C70/16Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length
    • B29C70/20Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres
    • B29C70/202Fibrous reinforcements only characterised by the structure of fibrous reinforcements, e.g. hollow fibres using fibres of substantial or continuous length oriented in a single direction, e.g. roofing or other parallel fibres arranged in parallel planes or structures of fibres crossing at substantial angles, e.g. cross-moulding compound [XMC]
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00596Mirrors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D24/00Producing articles with hollow walls
    • B29D24/002Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled
    • B29D24/005Producing articles with hollow walls formed with structures, e.g. cores placed between two plates or sheets, e.g. partially filled the structure having joined ribs, e.g. honeycomb
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
    • B32B3/10Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material
    • B32B3/12Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by a discontinuous layer, i.e. formed of separate pieces of material characterised by a layer of regularly- arranged cells, e.g. a honeycomb structure
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/08Mirrors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00Tubular articles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Ophthalmology & Optometry (AREA)
  • Laminated Bodies (AREA)
FR8101555A 1981-01-28 1981-01-28 Miroir leger et son procede de realisation Granted FR2498519A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8101555A FR2498519A1 (fr) 1981-01-28 1981-01-28 Miroir leger et son procede de realisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8101555A FR2498519A1 (fr) 1981-01-28 1981-01-28 Miroir leger et son procede de realisation

Publications (2)

Publication Number Publication Date
FR2498519A1 true FR2498519A1 (fr) 1982-07-30
FR2498519B1 FR2498519B1 (cg-RX-API-DMAC10.html) 1983-09-30

Family

ID=9254578

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8101555A Granted FR2498519A1 (fr) 1981-01-28 1981-01-28 Miroir leger et son procede de realisation

Country Status (1)

Country Link
FR (1) FR2498519A1 (cg-RX-API-DMAC10.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223053A3 (en) * 1985-11-14 1987-12-16 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Sandwich building element
FR2630831A1 (fr) * 1988-04-28 1989-11-03 Sfim Miroir ultra-leger

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2156675A1 (cg-RX-API-DMAC10.html) * 1971-10-01 1973-06-01 Boeing Co
US3912380A (en) * 1973-06-25 1975-10-14 Boeing Co Composite type structure for large reflective mirrors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2156675A1 (cg-RX-API-DMAC10.html) * 1971-10-01 1973-06-01 Boeing Co
US3912380A (en) * 1973-06-25 1975-10-14 Boeing Co Composite type structure for large reflective mirrors

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0223053A3 (en) * 1985-11-14 1987-12-16 Messerschmitt-Bolkow-Blohm Gesellschaft Mit Beschrankter Haftung Sandwich building element
FR2630831A1 (fr) * 1988-04-28 1989-11-03 Sfim Miroir ultra-leger

Also Published As

Publication number Publication date
FR2498519B1 (cg-RX-API-DMAC10.html) 1983-09-30

Similar Documents

Publication Publication Date Title
EP2077183B1 (fr) Bride en composite avec partie d'usinage
FR2823590A1 (fr) Panneau d'attenuation acoustique comportant une couche resistive a composante structurale renforcee
EP2961590B1 (fr) Moule d'injection pour la fabrication d'une piece de revolution en materiau composite ayant des brides externes, et notamment d'un carter de turbine a gaz
FR2803078A1 (fr) Panneau d'attenuation acoustique a couche resistive a propriete structurale et son procede d'obtention
FR2958875A1 (fr) Dispositif de fabrication d'un carter en materiau composite et procede de fabrication mettant en oeuvre un tel dispositif
FR2661128A1 (fr) Procede et dispositif pour consolider un corps en materiau composite.
FR2545037A1 (fr) Element de construction-sandwich en materiau composite fibreux
EP2265435A2 (fr) Procede de fabrication d5une structure alveolaire, structure alveolaire et installation correspondantes
EP0796829B1 (fr) Procédé de fabrication d'un panneau du type nid d'abeille en composite carbone/carbone ou carbone/céramique et structures constituées à partir d'un tel panneau
FR2562837A1 (fr) Elements composites de construction et procede pour la realisation de structures multi-directionnelles par formage et/ou assemblage de tels elements
FR3019489A1 (fr) Procede et installation de realisation d'une piece en materiau composite
CA2035109A1 (fr) Armature de renfort articulee pour talon de renforcement de structure tubulaire souple et structure tubulaire souple comportant une telle armature de renfort
FR2498519A1 (fr) Miroir leger et son procede de realisation
EP0276617A1 (fr) Miroir ultra-léger et procédé pour le fabriquer
WO2020127300A1 (fr) Regenerateur et procede de fabrication d'un tel regenerateur
EP1149014B1 (fr) Cadre de cycle en materiau thermoplastique et procede de fabrication associe
FR2660892A1 (fr) Chassis de char a voile realise a partir d'un materiau profile a fibres composites.
FR2744054A1 (fr) Procede de realisation de pieces en materiau composite a haute precision dimensionnelle mettant en oeuvre une polymerisation par ionisation et pieces ainsi obtenues
WO2025114533A1 (fr) Réservoir pour gaz sous pression
CA2735953A1 (fr) Panneau sandwich composite renforce
EP0660005B1 (fr) Lame de suspension en matière composite de véhicule automobile
FR2990430A1 (fr) Procede de mise en forme d'une feuille de verre et miroir comportant une telle feuille de verre
FR3029690A1 (fr) Procede de fabrication d'une coque de reflecteur d'antenne, en particulier d'un engin spatial
FR2946761A1 (fr) Miroir deformable a structure alveolaire.
FR3039887B1 (fr) Procede de fabrication d'un miroir concentrateur pour la production d'energie solaire et miroir concentrateur obtenu selon le procede

Legal Events

Date Code Title Description
CL Concession to grant licences
ST Notification of lapse