FR2670152A1 - Method for the production of tubular flexible elements made of strong fibres bound by synthetic resin and arranged around an inflatable jacket - Google Patents

Method for the production of tubular flexible elements made of strong fibres bound by synthetic resin and arranged around an inflatable jacket Download PDF

Info

Publication number
FR2670152A1
FR2670152A1 FR9015226A FR9015226A FR2670152A1 FR 2670152 A1 FR2670152 A1 FR 2670152A1 FR 9015226 A FR9015226 A FR 9015226A FR 9015226 A FR9015226 A FR 9015226A FR 2670152 A1 FR2670152 A1 FR 2670152A1
Authority
FR
France
Prior art keywords
synthetic resin
production
turns
flexible
mandrel
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
FR9015226A
Other languages
French (fr)
Other versions
FR2670152B3 (en
Inventor
Viellard Paul Henri
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR9015226A priority Critical patent/FR2670152B3/en
Priority to EP19910402168 priority patent/EP0470896A3/en
Publication of FR2670152A1 publication Critical patent/FR2670152A1/en
Application granted granted Critical
Publication of FR2670152B3 publication Critical patent/FR2670152B3/en
Priority to US08/077,899 priority patent/US5487806A/en
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
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • B29C33/50—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic or flexible
    • B29C33/505—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling elastic or flexible cores or mandrels, e.g. inflatable
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • B29C53/821—Mandrels especially adapted for winding and joining
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/80—Component parts, details or accessories; Auxiliary operations
    • B29C53/82—Cores or mandrels
    • B29C53/821—Mandrels especially adapted for winding and joining
    • B29C53/824—Mandrels especially adapted for winding and joining collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2009/00—Layered products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/52—Sports equipment ; Games; Articles for amusement; Toys
    • B29L2031/5245—Rackets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B15/00—Superstructures, deckhouses, wheelhouses or the like; Arrangements or adaptations of masts or spars, e.g. bowsprits
    • B63B15/0083—Masts for sailing ships or boats

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Golf Clubs (AREA)

Abstract

The invention relates to a method which allows production of a tubular and conical flexible element, intended to be moulded, in which method a flexible and leaktight skin (casing) is formed by winding turns (2), partially superimposed (at 4), made of a plastic material, around a mandrel driven in rotation, on which rovings of strong fibres (3) impregnated with curable synthetic resin will be wound, and then the skin covered with the interlacing of rovings is separated from the mandrel (1). The invention applies in particular to the production of sports articles, such as a golf club handle, bicycle fork, fishing rod elements or components of various shapes, such as preforms for jet-engine turbine blades made of ceramic fibres.

Description

La présente invention est relative à un perfectionnement apporté à l'objet de la demande de brevet français n0 90 10 108 du 8 août 1990 du même déposant qui concerne la réalisation d'un élément souple tubulaire destiné à être moulé, selon lequel on enroule des mèches de fibres résistantes imprégnées de résine synthétique durcissable autour d'un boyau souple gonflable, et qui se caractérise en ce qu'on enfile le boyau souple sur un mandrin rigide entrainé mécaniquement en rotation, et en ce qu'on bobine les mèches de fibres résistantes sur le boyau avant de séparer du mandrin l'élément souple tubulaire ainsi obtenu.The present invention relates to an improvement made to the subject of French patent application No. 90 10 108 of August 8, 1990 by the same applicant, which relates to the production of a flexible tubular element intended to be molded, according to which coils are wound. strands of resistant fibers impregnated with synthetic resin curable around an inflatable flexible hose, which is characterized in that the flexible hose is threaded on a rigid mandrel mechanically driven in rotation, and in that the strands of fibers are wound resistant on the hose before separating from the mandrel the tubular flexible element thus obtained.

Selon la présente invention, on réalise le boyau souple gonflable sous la forme d'une bande enroulée hélicoidalement autour du mandrin de telle façon que les spires se recouvrent sur une partie de leur largeur et viennent ainsi former une gaine étanche gonflable, les zones de recouvrement étant solidarisées entre elles.According to the present invention, the flexible inflatable hose is produced in the form of a band helically wound around the mandrel so that the turns overlap over part of their width and thus form an inflatable tight sheath, the overlap zones being joined together.

Le boyau souple gonflable ainsi obtenu pourra avoir la forme d'un mandrin autre que cylindrique par exemple conique, ce qui permet de réaliser par exemple un manche de club de golf, un élément de canne à pêche, un mât conique de planche à voile ou des pièces de formes diverses telles des ébauches d'ailettes de turbine de réacteur en fibres céramique.The inflatable flexible hose thus obtained may have the shape of a mandrel other than cylindrical, for example conical, which makes it possible for example to produce a golf club handle, a fishing rod element, a conical windsurf mast or pieces of various shapes such as blanks of ceramic fiber turbine turbine fins.

Pour bien faire comprendre le dispositif selon l'invention, on en décrira ci-après brièvement un exemple d'exécution sans caractère limitatif en référence au dessin annexé dont la figure unique montre un mandrin conique (1) sur lequel sont réalisés les enroulements selon l'invention en spires hélicoïdales (2) se recouvrant pour partie (en 4) d'un matériau plastique souple et élastique, puis des mèches de fibres (3) imprégnées de résine synthétique durcissable.To clearly understand the device according to the invention, there will be briefly described below an example of execution without limitation, with reference to the accompanying drawing, the single figure of which shows a conical mandrel (1) on which the windings according to l are produced. invention in helical turns (2) partially covering (in 4) with a flexible and elastic plastic material, then wicks of fibers (3) impregnated with curable synthetic resin.

Désirant obtenir un boyau souple gonflable, étanche à l'air, mais également résistant à des températures supérieures à 1000 C, à partir desquelles durcissent les résines d'enduction des mèches de fibres, on utilisera avantageusement un ruban de polypropylène d'une épaisseur de 50 microns, de qualité cast-film dont l'élasticité est bonne et dont les zones de recouvrement (4) des spires (2) sur le mandrin en rotation seront soudées, par exemple, par le passage de molettes chauffantes portées à la température de 1800 C assurant également une pression de 4 kg/cm2, pendant une durée de 1,5 à 2 secondes.Desiring to obtain a flexible inflatable hose, airtight, but also resistant to temperatures above 1000 ° C., from which the resins for coating strands of fiber harden, a polypropylene tape with a thickness of 50 microns, of cast-film quality, the elasticity of which is good and the overlap zones (4) of the turns (2) on the rotating mandrel will be welded, for example, by the passage of heating rollers brought to the temperature of 1800 C also ensuring a pressure of 4 kg / cm2, for a period of 1.5 to 2 seconds.

Ce boyau conique ainsi obtenu pourra être revêtu de fibres résistantes enduites de résines, par exemple, époxydes ou polyesters, dont les températures de polymérisation pourront stélever jusqu'à 1700 C. Si par contre, des résines polymérisant à de plus basses températures sont utilisées, on pourra enrouler un ruban de polyacide neutralisé par des sels métalliques (connu sous le nom de "surlyn") qui a pour caractéristique d'être extensible et de se souder très rapidement puisque son point de fusion s'établit à 950 C. This conical casing thus obtained may be coated with resistant fibers coated with resins, for example, epoxies or polyesters, the polymerization temperatures of which may rise to 1700 C. If, on the other hand, resins polymerizing at lower temperatures are used, we can wrap a polyacid ribbon neutralized by metal salts (known as "surlyn") which has the characteristic of being extensible and of being welded very quickly since its melting point is established at 950 C.

On peut également coller les zones de recouvrement (4) des spires (2), en les balayant avant recouvrement, avec une molette, ou un pinceau enducteur, chargé d'un adhésif approprié.  The covering zones (4) of the turns (2) can also be glued, by sweeping them before covering, with a wheel, or a coating brush, loaded with an appropriate adhesive.

I1 est clair aussi que la solidarisation des zones de recouvrement (4) des spires (2) du ruban en matériau plastique peut s'effectuer par la seule pression de l'air de gonflage. It is also clear that the joining of the covering zones (4) of the turns (2) of the ribbon of plastic material can be effected by the sole pressure of the inflation air.

Pour faciliter le déshabillage de l'enveloppe composite du mandrin creux (1), on pourra avantageusement introduire de l'air sous pression qui viendra décoller l'enveloppe en ressortant par les trous (a). To facilitate undressing of the composite envelope of the hollow mandrel (1), it is advantageously possible to introduce pressurized air which will come to peel off the envelope while coming out through the holes (a).

Claims (4)

REVENDICATIONS 1) Procédé pour la réalisation d'un élément souple tubulaire destiné à être moulé selon lequel on enroule des mèches de fibres résistantes (3) imprégnées de résine synthétique durcissable autour d'un boyau souple gonflable, caractérisé en ce qu'on réalise ledit boyau souple gonflable par enroulement, autour d'un mandrin rigide (1) entraîné en rotation, d'un ruban en matériau plastique dont les zones de recouvrement (4) des spires (2) sont solidarisées entre elles.1) Method for producing a flexible tubular element intended to be molded according to which strands of resistant fibers (3) impregnated with curable synthetic resin are wound around an inflatable flexible hose, characterized in that said hose is produced flexible inflatable by winding, around a rigid mandrel (1) driven in rotation, a ribbon of plastic material whose overlap zones (4) of the turns (2) are secured to each other. 2) Procédé selon la revendication 1 caractérisé en ce que la solidarisation des zones de recouvrement (4) des spires (2) du ruban en matériau plastique s'effectue par soudage. 2) Method according to claim 1 characterized in that the joining of the overlap zones (4) of the turns (2) of the plastic tape is carried out by welding. 3) Procédé selon la revendication 1 ci-dessus, caractérisé en ce que la solidarisation des zones de recouvrement (4) des spires (2) du ruban en matériau plastique s'effectue par collage.3) Method according to claim 1 above, characterized in that the joining of the covering zones (4) of the turns (2) of the plastic tape is carried out by bonding. 4) Procédé selon la revendication 1 ci-dessus, caractérisé en ce que la solidarisation des zones de recouvrement (4) des spires (2) du ruban en matériau plastique s'effectue par la pression de l'air de gonflage. 4) Method according to claim 1 above, characterized in that the joining of the covering zones (4) of the turns (2) of the plastic tape is carried out by the pressure of the inflation air.
FR9015226A 1990-08-08 1990-12-05 PROCESS FOR THE PRODUCTION OF FLEXIBLE TUBULAR ELEMENTS MADE OF RESISTANT FIBERS LINKED BY SYNTHETIC RESIN ARRANGED AROUND AN INFLATABLE BODY. Expired - Lifetime FR2670152B3 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR9015226A FR2670152B3 (en) 1990-12-05 1990-12-05 PROCESS FOR THE PRODUCTION OF FLEXIBLE TUBULAR ELEMENTS MADE OF RESISTANT FIBERS LINKED BY SYNTHETIC RESIN ARRANGED AROUND AN INFLATABLE BODY.
EP19910402168 EP0470896A3 (en) 1990-08-08 1991-08-02 Method for producing a flexible resin impregnated tubular article
US08/077,899 US5487806A (en) 1990-08-08 1993-06-18 Method for embodying a flexible tubular element impregnated with resin to be subsequently moulded

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9015226A FR2670152B3 (en) 1990-12-05 1990-12-05 PROCESS FOR THE PRODUCTION OF FLEXIBLE TUBULAR ELEMENTS MADE OF RESISTANT FIBERS LINKED BY SYNTHETIC RESIN ARRANGED AROUND AN INFLATABLE BODY.

Publications (2)

Publication Number Publication Date
FR2670152A1 true FR2670152A1 (en) 1992-06-12
FR2670152B3 FR2670152B3 (en) 1993-05-21

Family

ID=9402921

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9015226A Expired - Lifetime FR2670152B3 (en) 1990-08-08 1990-12-05 PROCESS FOR THE PRODUCTION OF FLEXIBLE TUBULAR ELEMENTS MADE OF RESISTANT FIBERS LINKED BY SYNTHETIC RESIN ARRANGED AROUND AN INFLATABLE BODY.

Country Status (1)

Country Link
FR (1) FR2670152B3 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540877A (en) * 1994-02-24 1996-07-30 Wilson Sporting Goods Co. Method of making a continous fiber reinforced resin transfer molded frame for a game racquet
US5575875A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound fiber reinforced thermoplastic frame for a game racquet
US5575881A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound frame for a game racquet
US6422958B1 (en) 1994-02-24 2002-07-23 David W. Repetto Frame for a game racquet formed by filament winding

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5540877A (en) * 1994-02-24 1996-07-30 Wilson Sporting Goods Co. Method of making a continous fiber reinforced resin transfer molded frame for a game racquet
US5575875A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound fiber reinforced thermoplastic frame for a game racquet
US5575881A (en) * 1994-02-24 1996-11-19 Wilson Sporting Goods Co. Filament wound frame for a game racquet
US6422958B1 (en) 1994-02-24 2002-07-23 David W. Repetto Frame for a game racquet formed by filament winding

Also Published As

Publication number Publication date
FR2670152B3 (en) 1993-05-21

Similar Documents

Publication Publication Date Title
US5544908A (en) Thermoplastic composite ski and method of manufacture
US3483055A (en) Method for forming a fiber glass racket frame
US5698055A (en) Method of manufacturing composite tube
US4133708A (en) Method for producing a fishing-rod
JP3985201B2 (en) Reinforced wooden bat and recipe
US20060251877A1 (en) Tubular element made of carbon fiber-based composite material
EP0597166A2 (en) Hockey stick
FR2527515A1 (en) PROCESS FOR PRODUCING FIBER REINFORCED ARTICLES
US20060185218A1 (en) Two piece bonded fishing rod blank and fishing rod
US4885865A (en) Graphite fiber reinforced rod construction
US5487806A (en) Method for embodying a flexible tubular element impregnated with resin to be subsequently moulded
FR2716377A1 (en) Frame for game racket in fiber reinforced thermoplastic, wound in filament.
FR2537048A1 (en) FIBER-REINFORCED PLASTIC MATERIAL BLADE AND METHOD FOR MANUFACTURING THE SAME
KR20120015993A (en) Method for producing pipe
US4142317A (en) Fishing rod with line guides thereon affixed by manufactured rod wraps
FR2670152A1 (en) Method for the production of tubular flexible elements made of strong fibres bound by synthetic resin and arranged around an inflatable jacket
EP0470896A2 (en) Method for producing a flexible resin impregnated tubular article
FR2516859A3 (en) Double-tapered fibre reinforced plastics mast - thickest at point of greatest stress, used for wind surf board
CA1138912A (en) Impact resistant hockey stick and method of making same
FR2670154A1 (en) Method for the production of tubular flexible elements made of strong fibres bonded by synthetic resin and arranged around a heat-shrinkable inflatable flexible jacket
US1110487A (en) Bat.
WO1984000499A1 (en) Elongated propelling means for manually moving a sailing craft over the water surface
FR2665665A1 (en) Method for the production of tubular flexible elements made from strong fibres bonded by synthetic resin, these fibres being arranged around an inflatable flexible sheath (envelope), and elements obtained thereby
FR2695295A1 (en) Process for the production of synthetic fiber-bonded fiber tubular elements intended to be nested one inside the other to form a fishing rod whose action is controlled and elements obtained by this method.
KR100629700B1 (en) Reinforced wood bat

Legal Events

Date Code Title Description
TP Transmission of property