US20060251877A1 - Tubular element made of carbon fiber-based composite material - Google Patents

Tubular element made of carbon fiber-based composite material Download PDF

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Publication number
US20060251877A1
US20060251877A1 US11/184,959 US18495905A US2006251877A1 US 20060251877 A1 US20060251877 A1 US 20060251877A1 US 18495905 A US18495905 A US 18495905A US 2006251877 A1 US2006251877 A1 US 2006251877A1
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United States
Prior art keywords
color
tubular element
tape
layers
pigmented
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.)
Abandoned
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US11/184,959
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English (en)
Inventor
Luca Pirazzini
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Individual
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Individual
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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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/02—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising combinations of reinforcements, e.g. non-specified reinforcements, fibrous reinforcing inserts and fillers, e.g. particulate fillers, incorporated in matrix material, forming one or more layers and with or without non-reinforced or non-filled layers
    • B29C70/021—Combinations of fibrous reinforcement and non-fibrous material
    • B29C70/025—Combinations of fibrous reinforcement and non-fibrous material with particular filler
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K87/00—Fishing rods
    • 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
    • B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
    • B29C70/32—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core on a rotating mould, former or core
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/249921—Web or sheet containing structurally defined element or component
    • Y10T428/249924—Noninterengaged fiber-containing paper-free web or sheet which is not of specified porosity

Definitions

  • the present invention relates to a tubular element made of carbon fiber-based composite material.
  • tubular elements made of carbon fiber-based composite material as a consequence of its excellent mechanical characteristics combined with low weight: consider for example fishing rods, but also the masts of windsurfs (or of sailing boats), golf clubs or ski poles.
  • fishing rods for the Roubaisienne technique made of carbon fiber are currently the type of fishing rod that has the best mechanical characteristics (by combining an optimum dynamic elastic action with extremely low weight and good resistance to external agents).
  • the fishing technique that uses fishing rods of the Roubaisienne type requires the segments of the rod, during fishing, to be continuously assembled and disassembled (by mutual insertion) in order to change the length of the rod, making it in each instance suitable for the action being performed.
  • the application of colored adhesive films is also to be considered extremely negative, since it greatly modifies the elastic response characteristics of the rod element due to the increase in weight that it entails.
  • the colored layers modify substantially the external surface of the rod element, generally reducing its slidability.
  • the aim of the present invention is to obviate the cited drawbacks and meet the mentioned requirements, by providing a tubular element made of pigmented composite material that does not have variations in weight, thickness and roughness in the transition from a pigmented region to a non-pigmented region.
  • an object of the present invention is to provide a tubular element that has distinctive surface colorings that preserve its mechanical properties.
  • another object of the present invention is to provide a tubular element that has high surface slidability.
  • another object of the present invention is to provide a tubular element that is simple, relatively easy to provide in practice, safe in use, effective in operation, and has a relatively low cost.
  • the present tubular element made of composite material, of the type that comprises a plurality of layers of structural fibers, which are superimposed and arranged so that the fibers lie along preset directions, said fibers being immersed in a matrix of the polymeric type, characterized in that a predefined amount of at least one color is provided in the polymeric matrix of the outermost layer, substantially only proximate to the outermost surface thereof.
  • FIG. 1 is a schematic perspective view of a plurality of layers of structural fibers immersed in a polymeric matrix and superimposed;
  • FIG. 2 is a schematic perspective view of the arrangement of the layers on a rigid core
  • FIG. 3 is a schematic perspective view of the deposition of a film of color on the surface of a tape made of a material such as plastics;
  • FIG. 4 is a schematic perspective view of the wrapping of a pigmented tape, according to a first method with a pitch that corresponds approximately to the width of said tape with partial overlap, on the layers of fibers arranged on the rigid core;
  • FIG. 5 is a schematic perspective view of the wrapping of a pigmented tape, according to a second method with an infinite pitch, on the layers of fibers arranged on the rigid core;
  • FIG. 6 is a schematic perspective view of the wrapping, over said pigmented tape, of a second pressing tape with a tight pitch;
  • FIG. 7 is a schematic perspective view of the heating of the element on which the two tapes are wrapped.
  • FIG. 8 is a schematic perspective view of a tubular element according to the invention.
  • FIG. 9 is a schematic perspective view of a tubular element according to the invention.
  • FIG. 10 is an enlarged-scale sectional view of a portion of a tubular element around which a pigmented tape is wrapped;
  • FIG. 11 is an enlarged-scale sectional view of a portion of a tubular element around which a pigmented tape is wrapped, during thermoforming;
  • FIG. 12 is an enlarged-scale sectional view of a portion of a tubular element according to the invention.
  • a tubular element made of composite material according to the invention is generally designated by the reference numeral 1 .
  • element 1 for fishing rods; this description is non-limiting to the only embodiment that is described, since the characteristics that are given and the manufacturing method used are the same for all the types of element 1 that can be provided, be they components of fishing rods, of masts for sailing sports, of tennis rackets, ski poles, or others.
  • Each element 1 of the fishing rod is constituted by a plurality of layers 2 ( 2 a , 2 b and 2 c ) made of composite material (structural fibers and polymeric matrix), which are superimposed and are arranged so that their fibers lie along presets directions, in order to optimize the mechanical characteristics of the layer 2 in those directions.
  • layers 2 2 a , 2 b and 2 c ) made of composite material (structural fibers and polymeric matrix), which are superimposed and are arranged so that their fibers lie along presets directions, in order to optimize the mechanical characteristics of the layer 2 in those directions.
  • the fibers (generally carbon fibers, but as an alternative it is also possible to use glass fibers or other materials) are embedded in a matrix of the polymeric type; such matrix is generally constituted by a thermosetting resin (for example epoxy resin), which is polymerized in the final step of production of the tubular element 1 , which is known as thermoforming.
  • a thermosetting resin for example epoxy resin
  • the outermost layer 2 a of an element 1 provided according to the invention has, on its outer surface, a uniformly distributed infinitesimal surface roughness 3 .
  • the described solution relates to elements 1 of a fishing rod, but actually surface slidability is advantageous in many situations that recur also in other sports: consider for example the bag of a sail that must be able to slide easily on the mast of a windsurf, for example.
  • the surface of the element 1 can also be completely smooth (polished) or have any degree of surface roughness comprised between the two extreme cases of a smooth (polished) surface and of a surface with infinitesimal roughness 3 (intrinsic opacity).
  • the polymeric matrix of the outermost layer 2 a contains a predefined quantity of at least one color: the pigmented resin 4 (part of the matrix of layer 2 a within which the color is present) ensures reflection of part of the solar radiation that strikes the fishing rod element 1 , keeping its temperature at lower values than conventional fishing rods.
  • Conventional fishing rods made of a composite based on carbon fiber are externally black and polished: because of these surface characteristics, they can reach high temperatures (which as such are unpleasant or painful upon contact with the hands, as already mentioned following continuous assembly and disassembly of the component segments) due to solar irradiation.
  • the color is not distributed on the outer surface of the layer 2 a : the elementary color particles 5 that are present in the pigmented resin 4 are in the layer 2 a , since they are diffused in the polymeric matrix in the region that faces the external surface.
  • the particles 5 are embedded in the polymeric resin, which constitutes the matrix of the composite of the layer 2 a at its outermost region, giving a particular coloring to the element 1 from an intrinsic standpoint (one of the components of the layer 2 a , the polymeric resin, in fact assumes the coloring determined by the presence of the color particles 5 ).
  • the surface of the layer 2 a does not undergo any change in roughness 3 as a consequence of the presence of the particles of color 5 .
  • the external surface of the layer 2 a generally has a ridge 3 a , which is arranged in a spiral along the element 1 and has a reduced height; in certain cases, the ridge 3 a can also be substantially imperceptible or even omitted.
  • the structural fibers 6 (carbon fibers) of the layer 2 a are substantially intact and have no internal tensions caused by the presence of particles of color 5 in the pigmented resin 4 interposed between individual fibers 6 : this is because the penetration of the particles of color 5 does not affect, or occurs all through the entire layer 2 a but affects only the outermost region (without therefore affecting the structural fibers 6 ) and because the particles 5 are embedded uniformly in the polymeric resin that constitutes the matrix.
  • the particles of color 5 are provided inside the matrix of the polymeric type (they are embedded in it) in a variable quantity and are uniformly distributed: this ensures that the appearance of the fishing rod element 1 is uniform in terms of color distribution, ensuring that even if the amount of color particles 5 is small, it is not possible to identify regions that are more (or less) colored.
  • the particles of color 5 can be distributed only on some portions of the rod element 1 : in this manner, it is possible to provide on the surface of the rod element 1 shapes and particular color combinations, according for example to a distinctive symbol or mark.
  • the advantage of this embodiment is that the mark thus impressed is not subjected to abrasion, since the color is mixed, in the external region of the layer 2 a , with the polymeric matrix of the layer 2 a.
  • Another possibility is to provide the pigmented resin 4 with a mixture of elementary pigments 5 of different colors, obtaining any type of color or design on the surface of the rod element 1 .
  • the particles of color 5 and the polymeric matrix have a glass transition temperature on the same order of magnitude: in this manner, during thermoforming the particles of color 5 can diffuse inside the matrix (which in this step undergoes an initial softening) without risking that one of the two materials hardens before the other or, worse still, degrades as a consequence of an excessively high temperature.
  • tubular element 1 In order to obtain the tubular element 1 , it is necessary to superimpose at least two layers of structural fibers 2 impregnated with polymeric resin, shaping them substantially like a tubular body by wrapping around a rigid core 8 (which is generally metallic).
  • the tape 9 can be completely smooth (shiny) on both of its flat surfaces or can be provided with at least one surface that has at an infinitesimal surface roughness 3 .
  • the deposition is to be provided on said surface.
  • the color particles 5 must be deposited according to traditional processes, such as a rotogravure or actual painting (or also flexography, screen printing, or any other method suitable for the purpose), within a suitable apparatus 11 .
  • the tape 10 is arranged longitudinally with respect to the element 1 (or transversely, if the tape 10 is arranged with a nil pitch and is therefore as wide as the element 1 is long).
  • a second wrapping, which this time is tighter and more forced, above the wrapped pigmented tape 10 must be performed with an additional pressing tape 12 , again with a helical arrangement but this time with a tight pitch.
  • the core 8 , the layers of fibers 2 and the wrapped tapes 10 and 12 must be arranged in a high-temperature environment in order to facilitate the diffusion of the color particles 5 within the polymeric matrix of the outermost layer 2 a , in order to impart the infinitesimal surface roughness 3 of the pigmented tape 10 (therefore, if a tape with these surface characteristics has been chosen) on the outer surface of the outermost layer 2 a and in order to facilitate the cross-linking of the polymer that constitutes the thermoforming matrix.
  • the tape provided with at least one surface having infinitesimal surface roughness 3 is made of a material of the thermoplastic type, suitable for the temporary adhesion of the color particles 5 but not for permanent adhesion (thus facilitating the separation of said particles during thermoforming and their migration toward the inside of the matrix of the layer 2 a ).
  • the tubular element 1 is extracted from the core 8 and the tapes 10 and 12 are removed from the surface of the element 1 , which therefore retains the coloring due to the diffusion of the color particles 5 (released by the tape 10 ) inside the layer 2 a , and the infinitesimal surface roughness 3 imparted by the tape 10 .
  • the operation of the invention is intuitive: by using a fishing rod constituted by elements 1 according to the invention, the angler is facilitated in his action owing to the high surface slidability caused by the presence of the infinitesimal roughness 3 of its surface.
  • trapping particles of water in the minute cavities and recesses of the surface of the element 1 ensures maximum slidability thereof in the palm of the hand of the angler.
  • This slidability can be identified immediately even in fishing rods of the telescopic type since the line, released by the reel, during launching glides on the surface with maximum slidability.
  • the infinitesimal roughness 3 decreases the aerodynamic drag of the fishing rod during casting.
  • the bag of the sail of a windsurf slides easily along the shaft, facilitating its assembly.
  • the surface further has a particular coloring caused by the diffusion of the color inside the polymeric matrix: in this manner, the tubular element 1 can be provided in any color (according to the technical requirements of the user but also according to commercial requirements).
  • said coloring does not abrade with use and it is not possible to detect an increase in thickness at the regions where the color is applied.
  • the method for obtaining the element 1 is far less pollutant than conventional solutions for surface coloring, since the amount of color needed to give the chosen color is low and also the dispersion of color is minimum, since the deposition of the color is performed on a tape (not directly on the surface of the element 1 ) according to highly efficient methods, which also require (with respect to conventional painting) the use of lower amounts of solvents.
  • the color is distributed uniformly along the rod element 1 (according to the requirements of the manufacturer) without producing internal tensions between contiguous fibers caused by the interposition of particles 5 .
  • tubular elements 1 further allows to imprint flight designs (even logos or lettering) to the element 1 according to the described method. Although these imprintings do not modify the mechanical and structural characteristics of the rod element 1 , they can give it a distinctiveness with respect to other similar products, ensuring differentiation of production.

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  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Environmental Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Animal Husbandry (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Moulding By Coating Moulds (AREA)
  • Golf Clubs (AREA)
  • Fishing Rods (AREA)
  • Laminated Bodies (AREA)
  • Inorganic Fibers (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Nonwoven Fabrics (AREA)
US11/184,959 2004-07-27 2005-07-20 Tubular element made of carbon fiber-based composite material Abandoned US20060251877A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBO2004A000474 2004-07-27
ITBO20040474 ITBO20040474A1 (it) 2004-07-27 2004-07-27 Elemento tubolare in materiale composito a base di fibra di carbonio

Publications (1)

Publication Number Publication Date
US20060251877A1 true US20060251877A1 (en) 2006-11-09

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US11/184,959 Abandoned US20060251877A1 (en) 2004-07-27 2005-07-20 Tubular element made of carbon fiber-based composite material

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US (1) US20060251877A1 (zh)
EP (1) EP1621322B1 (zh)
JP (1) JP5202794B2 (zh)
CN (1) CN1739957B (zh)
AT (1) ATE499205T1 (zh)
DE (1) DE602005026484D1 (zh)
ES (1) ES2361417T3 (zh)
IT (1) ITBO20040474A1 (zh)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102490372A (zh) * 2011-12-12 2012-06-13 中国科学院宁波材料技术与工程研究所 碳纤维管材的成型方法及其模具
US20120174467A1 (en) * 2009-06-23 2012-07-12 Shimano Inc. Rod body for fishing rod and fishing rod
US20160286770A1 (en) * 2015-03-31 2016-10-06 Globeride, Inc. Tubular structure having decorative layer and method of forming decorative layer on tubular structure
US10064400B2 (en) * 2015-06-02 2018-09-04 G-Rods International Llc Fishing rod with graphene and method of manufacturing
US10327429B2 (en) * 2015-06-02 2019-06-25 G-Rods International Llc Incorporation of graphene in various components and method of manufacturing

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JP4783610B2 (ja) * 2005-09-30 2011-09-28 グローブライド株式会社 管状体及びその製造方法
JP4784829B2 (ja) * 2006-06-16 2011-10-05 株式会社豊田自動織機 摺動部材の製造方法および摺動部材
CN101579955B (zh) * 2008-05-16 2013-01-30 比亚迪股份有限公司 一种碳纤维制品及其制造方法
FR2937347B1 (fr) * 2008-10-17 2020-06-12 Doublet Barriere retractable.
IT1393462B1 (it) 2009-03-23 2012-04-20 Angelo Peruzza Di Paolo Peruzza & C S A S Ora A Peruzza S R L Pellicola per la produzione di manufatti in materiale composito, metodo di produzione di detta pellicola, e metodo per la produzione di manufatti in materiale composito impiegante tale pellicola
JP5594872B2 (ja) * 2010-05-06 2014-09-24 日精株式会社 着色繊維強化複合材
JP6211765B2 (ja) * 2012-12-27 2017-10-11 グローブライド株式会社 管状体
JP6139388B2 (ja) * 2013-11-29 2017-05-31 グローブライド株式会社 釣竿
JP6148173B2 (ja) 2013-12-27 2017-06-14 グローブライド株式会社 釣竿
JP6148172B2 (ja) 2013-12-27 2017-06-14 グローブライド株式会社 釣竿
JP2015213488A (ja) * 2014-05-13 2015-12-03 株式会社シマノ 釣竿用ブランクの製造方法
JP2016013106A (ja) * 2014-07-03 2016-01-28 株式会社シマノ 成形方法
CN105636435A (zh) * 2014-09-19 2016-06-01 Faps股份有限责任公司 用于制造钓鱼竿的方法和利用这种方法形成的钓鱼竿
US10085433B2 (en) 2014-12-26 2018-10-02 Globeride, Inc. Tip rod and fishing rod having the same
JP2019033763A (ja) * 2018-11-28 2019-03-07 株式会社シマノ 成形方法
KR102172252B1 (ko) * 2019-05-23 2020-10-30 이종희 텔레스코픽 마스트

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US20020051295A1 (en) * 1993-12-02 2002-05-02 Dai Nippon Printing Co., Ltd. Transparent functional membrane containing functional ultrafine particles, transparent functional film, and process for producing the same

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US6295777B1 (en) * 1997-11-19 2001-10-02 Certainteed Corporation Exterior finishing panel

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120174467A1 (en) * 2009-06-23 2012-07-12 Shimano Inc. Rod body for fishing rod and fishing rod
US9010014B2 (en) * 2009-06-23 2015-04-21 Shimano Inc. Rod body for fishing rod and fishing rod
CN102490372A (zh) * 2011-12-12 2012-06-13 中国科学院宁波材料技术与工程研究所 碳纤维管材的成型方法及其模具
US20160286770A1 (en) * 2015-03-31 2016-10-06 Globeride, Inc. Tubular structure having decorative layer and method of forming decorative layer on tubular structure
US10426150B2 (en) * 2015-03-31 2019-10-01 Globeride, Inc. Tubular structure having decorative layer and method of forming decorative layer on tubular structure
US10064400B2 (en) * 2015-06-02 2018-09-04 G-Rods International Llc Fishing rod with graphene and method of manufacturing
US10327429B2 (en) * 2015-06-02 2019-06-25 G-Rods International Llc Incorporation of graphene in various components and method of manufacturing

Also Published As

Publication number Publication date
CN1739957B (zh) 2010-09-29
EP1621322B1 (en) 2011-02-23
EP1621322A2 (en) 2006-02-01
DE602005026484D1 (de) 2011-04-07
ITBO20040474A1 (it) 2004-10-27
ES2361417T3 (es) 2011-06-16
EP1621322A3 (en) 2006-03-29
ATE499205T1 (de) 2011-03-15
JP5202794B2 (ja) 2013-06-05
CN1739957A (zh) 2006-03-01
JP2006034292A (ja) 2006-02-09

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