FR1544294A - Procédé pour la fabrication de pales rotoriques d'aéronefs à voilure tournante - Google Patents

Procédé pour la fabrication de pales rotoriques d'aéronefs à voilure tournante

Info

Publication number
FR1544294A
FR1544294A FR127297A FR127297A FR1544294A FR 1544294 A FR1544294 A FR 1544294A FR 127297 A FR127297 A FR 127297A FR 127297 A FR127297 A FR 127297A FR 1544294 A FR1544294 A FR 1544294A
Authority
FR
France
Prior art keywords
manufacture
rotor blades
wing aircraft
rotary wing
rotary
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
FR127297A
Other languages
English (en)
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.)
Bolkow GmbH
Original Assignee
Bolkow GmbH
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 Bolkow GmbH filed Critical Bolkow GmbH
Priority to FR127297A priority Critical patent/FR1544294A/fr
Application granted granted Critical
Publication of FR1544294A publication Critical patent/FR1544294A/fr
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1228—Joining preformed parts by the expanding material
    • B29C44/1233—Joining preformed parts by the expanding material the preformed parts being supported during expanding
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
    • B29C70/28—Shaping operations therefor
    • B29C70/40—Shaping or impregnating by compression not applied
    • B29C70/42—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles
    • B29C70/46—Shaping or impregnating by compression not applied for producing articles of definite length, i.e. discrete articles using matched moulds, e.g. for deforming sheet moulding compounds [SMC] or prepregs
    • 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
    • B29C70/86—Incorporated in coherent impregnated reinforcing layers, e.g. by winding
    • B29C70/865—Incorporated in coherent impregnated reinforcing layers, e.g. by winding completely encapsulated
    • 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
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0025—Producing blades or the like, e.g. blades for turbines, propellers, or wings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/32—Rotors
    • B64C27/46—Blades
    • B64C27/473—Constructional features
FR127297A 1967-08-08 1967-11-07 Procédé pour la fabrication de pales rotoriques d'aéronefs à voilure tournante Expired FR1544294A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR127297A FR1544294A (fr) 1967-08-08 1967-11-07 Procédé pour la fabrication de pales rotoriques d'aéronefs à voilure tournante

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEB0093851 1967-08-08
FR127297A FR1544294A (fr) 1967-08-08 1967-11-07 Procédé pour la fabrication de pales rotoriques d'aéronefs à voilure tournante

Publications (1)

Publication Number Publication Date
FR1544294A true FR1544294A (fr) 1968-10-31

Family

ID=25968353

Family Applications (1)

Application Number Title Priority Date Filing Date
FR127297A Expired FR1544294A (fr) 1967-08-08 1967-11-07 Procédé pour la fabrication de pales rotoriques d'aéronefs à voilure tournante

Country Status (1)

Country Link
FR (1) FR1544294A (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482006A1 (fr) * 1980-01-25 1981-11-13 Messerschmitt Boelkow Blohm Procede pour la fabrication d'un corps profile muni d'une couche de recouvrement et mise en oeuvre d'une ebauche en mousse rigide thermoformable comme corps de base pour ledit procede de fabrication
FR2491391A1 (fr) * 1980-10-02 1982-04-09 United Technologies Corp Procede de fabrication d'articles renforces de fibres
US5462409A (en) * 1994-03-18 1995-10-31 Mcdonnell Douglas Helicopter Co. Leading edge weight retention assembly for a helicopter rotor
RU2561827C1 (ru) * 2014-03-04 2015-09-10 Акционерное общество "Вертолеты России" (АО "Вертолеты России") Лопасть воздушного винта и способ изготовления этой лопасти

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2482006A1 (fr) * 1980-01-25 1981-11-13 Messerschmitt Boelkow Blohm Procede pour la fabrication d'un corps profile muni d'une couche de recouvrement et mise en oeuvre d'une ebauche en mousse rigide thermoformable comme corps de base pour ledit procede de fabrication
FR2491391A1 (fr) * 1980-10-02 1982-04-09 United Technologies Corp Procede de fabrication d'articles renforces de fibres
US5462409A (en) * 1994-03-18 1995-10-31 Mcdonnell Douglas Helicopter Co. Leading edge weight retention assembly for a helicopter rotor
US5621967A (en) * 1994-03-18 1997-04-22 Mcdonnell Douglas Helicopter Co. Method of making a leading edge weight retention assembly for a helicopter rotor
RU2561827C1 (ru) * 2014-03-04 2015-09-10 Акционерное общество "Вертолеты России" (АО "Вертолеты России") Лопасть воздушного винта и способ изготовления этой лопасти

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