CN106536001B - Racket and method for producing racket - Google Patents
Racket and method for producing racket Download PDFInfo
- Publication number
- CN106536001B CN106536001B CN201580037850.1A CN201580037850A CN106536001B CN 106536001 B CN106536001 B CN 106536001B CN 201580037850 A CN201580037850 A CN 201580037850A CN 106536001 B CN106536001 B CN 106536001B
- Authority
- CN
- China
- Prior art keywords
- bar
- frame
- end sections
- racket
- around
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
- A63B49/02—Frames
- A63B49/10—Frames made of non-metallic materials, other than wood
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B49/00—Stringed rackets, e.g. for tennis
- A63B49/02—Frames
- A63B49/03—Frames characterised by throat sections, i.e. sections or elements between the head and the shaft
- A63B49/032—T-shaped connection elements
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B67/00—Sporting games or accessories therefor, not provided for in groups A63B1/00 - A63B65/00
- A63B67/18—Badminton or similar games with feathered missiles
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
- A63B2102/04—Badminton
-
- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
- A63B2209/00—Characteristics of used materials
- A63B2209/02—Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Pulmonology (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
The present invention relates to a kind of rackets, the racket includes frame (2), handle, the bar (6) that the frame is connected to the handle, and the jointing (3) between the bar and the frame, an end sections (62) of the jointing around the bar and two ends (2a, 2b) around the frame (2) are arranged.The outer diameter (D62) of end sections (62) above-mentioned is less than the diameter (D60) of the central part (60) of the bar, and when racket is assembled, the connector (3) flushes with the peripheral surface (S60) of the central part (60) of the bar.
Description
Technical field
Method the present invention relates to racket and for producing racket.
Background technology
In the field of racket movement, file CN-A-2 882 705 provides a kind of known racket, the feather
Racket includes the oval frame, handle and the bar that frame is connected to handle of support net structure.Racket further includes that T shapes connect
Head is combined with the connection between reinforced frame and bar.This T junction by the carbon-fibre strips of pre-preg (preimpregnation) by carrying out group
It fills and is formed, the carbon-fibre strips of these pre-preg wind around an end sections of bar and penetrate into two ends of frame
Inside in.In the manufacture of such racket, T junction is used for the technique by firing in a mold by bar and frame
It is integrally attached to each other, and racket comes out from the mold for being formed as a single-piece.Bar is cylindrical and is hollow
, and there is constant cross section over the whole length.Therefore, the T junction of end sections winding of bar is surrounded in bar
Place generates additional thickness.This additional thickness unsightly, and increases the weight of racket on finished product.
Invention content
The present invention is more particularly aimed at repairs these disadvantages by a kind of lighter and more attractive racket of proposition.
For this purpose, the present invention relates to a kind of racket, the racket includes frame, handle, frame is connected to bat
Jointing between the bar and bar and frame of handle, the jointing is around the end sections of bar and around two of frame
End is arranged.According to the present invention, end sections have the outer diameter of the diameter of the central part less than bar, and connector is in racket
The peripheral surface of central part under assembled configuration with bar flushes.
Based on the present invention, the end sections that T junction surrounds bar in this way are arranged:So that T junction and bar
Central part is compared and does not generate any additional thickness.Therefore, better finish and lighter is presented in racket.
According to the present invention advantageous but non-imposed aspect, such racket may include according to any skill
The combination allowed in art and one or more of the following characteristics considered:
Bar, frame and connector are made of composite material, are especially made of (preimpregnation) carbon fiber of pre-preg.
The shape of jointing is as "T"-shaped.
The invention further relates to a kind of methods for producing racket, and this approach includes the following steps:
B) frame is manufactured,
C) bar and the frame are assembled,
D) end sections of the bar are surrounded and manufacture connector around two ends of the frame,
E) entire component is placed in a mold and applies temperature law.
The method includes that step a), the step a) include manufacture bar before the step b), and the bar has outer
Diameter be less than an end sections of the diameter of central part, however, in step d), the connector so that the connector with it is described
The mode that the peripheral surface of the central part of bar flushes generates.
According to advantageous but non-imposed aspect, this method may include any combination technically allowed and consider
One or more of following characteristics:
During step e), thermal compression molding process is executed.
During step e), molding process is executed using the bladder across frame and bar.
The step is executed by winding filament around the cylindrical mandrel of the end sections reduced with cross section
It is rapid a).
The step a) of the manufacture bar includes some sub-steps, which includes:By enclosing filament wrapped around a mandrel
Formed with constant cross-section cylindrical tube, and processing pipe with formed an end sections, the end sections and pipe its
Remaining part split-phase is than the diameter with reduction.
During step d), by will surround the end sections of the bar and twined around two ends of the frame
Around pre-impregnated carbon fiber item assembled and manufacture the connector.
The pre-impregnated carbon fiber bar shaped that end sections around the bar and two ends around the frame are wound
T-shaped connector.
Description of the drawings
According to the offer in an illustrative manner of the embodiment of the racket of principle according to the invention and with reference to attached drawing
That makes is described below, and is better understood with the further advantage of the present invention and the present invention, in the accompanying drawings:
- Fig. 1 is the perspective view of racket according to the present invention,
- Fig. 2 is the schematic diagram seen in front of the component of the bar from racket shown in Fig. 1 and frame before molding,
And
- Fig. 3 is the cross section that connection between bar and frame, the especially connection with T junction are shown in principle.
Specific implementation mode
The racket 1 extended along longitudinal axis X1 is shown in FIG. 1.The racket 1 includes support net structure 8
Oval and hollow frame 2.The frame 2 includes all visible two ends 2a and 2b in figure 2 and figure 3.Reticular structure 8 by
A series of longitudinal direction racket strings 82 and a series of lateral formation of racket string 84, that is, a series of longitudinal racket strings are parallel to axis
X1 extends, and a series of lateral racket strings are along the transverse direction in the plane perpendicular to axis X 1 and included in reticular structure 8
Axis X 2 extends.Racket 1 further includes handle 4 and the connecting rod 6 for handle 4 to be connected to frame 2.
As seen in Figures 2 and 3, bar 6 is the pipe for having annular cross section, which includes being fixed in handle 4
Center portion point 60 and the connection end sections 62 for being connected to frame 2.The end sections 62 are tubuloses and in being less than
The outer diameter D 62 of the diameter D60 of center portion point 60 and internal diameter d62 identical with the internal diameter d60 of central part 60.The end sections of bar 6
62 are connected to central part 60 with periphery chamfering 61.In fact, the outer diameter D 62 of end sections 62 is measured in the outer of central part 60
Between the 75% of diameter D60 and 90%.
Racket 1 further includes the jointing 3 between bar 6 and frame 2.The connector 3 is in figure 3 with the signal of runic axis
The mode of property indicates.Bar 6, frame 2 and connector 3 are made of composite material, especially by for the pre- of carbon fiber and epoxy resin-matrix
Leaching composite material is made.
Connector 3 is by twining the unshowned end sections 62 around bar 6 and two ends 2a and 2b around frame 2
Around pre-preg carbon-fibre strips assembling and formed.Once carbon-fibre strips integrally cure in racket, carbon item is due to bar 6 and frame
The geometry of connection between 2 and form T junction.The T junction 3 has outer surface S3, the center of the outer surface and bar 6
The peripheral surface S60 of part 60 is flushed.Therefore, connector 3 under the assembled configuration of racket 1 just with the central part of bar 6 60
Peripheral surface S60 is flushed, and any additional thickness will not be generated on bar 6.Therefore with racket well known in the prior art
It compares, racket 1 is presented better finish and has improvement at slight aspect.In practice, it is used to form the pre- of the T junction
The quantity of carbon item is soaked between 10 and 20, is specifically equal to 14.
Hereinafter, the method for producing racket 1 is described.
In the embodiment considered, bar 6 and frame 2 are separately fabricated.Bar 6 is by surrounding the unshowned cylinder centre of form
The filament of axis winding manufactures, and cylindrical mandrel has the end sections that cross section reduces.This winding includes that will use tree in advance
Fat dipping carbon fiber enclose it is wrapped around a mandrel, mandrel then around its rotation axis rotate.Then, by being heated to its crosslinking temperature
And making resin polymerization, this makes it possible to the Structured cured of crossed fiber, is consequently formed consistent with the geometry of mandrel hard
Change pipe.The pipe directly forms the bar 6 of racket 1.
However, bar 6 can also be manufactured by following manner:By filament wound (that is, by surrounding with constant cross-sectional
The cylindrical mandrel winding rectangle pre-preg sheet material in face) and the pipe with constant cross-section is formed, and then added by machinery
Work cuts the end sections of the pipe to obtain the diameter reduced at level corresponding with end sections.
Bar 6 non-rectangle prepreg material can also be obtained by surrounding cylindrical mandrel and winding sheet material in the slope.
Above two production technology is provided separates individually firing bar 6 with frame 2, thus provides acquisition about bar 6
Homogenieity and high mechanical resistance performance ability.Bar 6 and frame 2 are fired (especially for low together however, it is also possible to imagine
Hold the racket of range).
Frame 2 manufactures in the following manner.It will be twined around flexible bladder V with each layer of the carbon fiber plate of resin prepreg stain
Around.Bladder V is nylon tube, and when compressed air is injected into the inside of nylon tube, which is suitable for expansion.Make to surround
It winds the bladder V bendings of carbon plate material, and bladder is then placed on to the inside of the chamber of the first part of unshowned mold
It is interior.Here, chamber is substantially elliptical, that is, is formed as consistent with the shape of frame 2.Bladder V is not shown in figure 3, with true
Protect the clear of attached drawing.
As that can see in figure 3, two end 2a and 2b of frame 2 are set Face to face with small intermediate space I1
It sets, to allow passing through for bladder V.In other words, the end 2a and 2b of frame 2 are separation.End 2a and the 2b arrangement of frame 2
The inside for passing through bar 6 at two ends of the free edge of the end sections 62 against bar 6, and V bladders.In fig. 2, bar
6 parts longitudinally indicate, as shown in the profile with dotted line, to ensure the clear of attached drawing.
Hereafter, connector 3 is made.For this purpose, the end sections 62 around bar and end 2a and the 2b winding around frame 2 are not shown
The carbon item with resin prepreg stain gone out.These wind in the following manner:So that these are compared with the central part 60 of bar 6
Any additional thickness is not formed, that is, external outermost carbon item is flushed with the peripheral surface S60 of central part 60 just.By
In positioning of the frame 2 relative to bar 6, the band for constituting connector 3 is arranged in the form of " T ".
Then, the closed mould in a sealing fashion by adhering to the second part of unshowned mold.Second part circle
The chamber of fixed and first part chamber complementation.Then, mold is subjected to the raising of temperature, specifically until the crosslinking temperature for reaching resin is
Only.Therefore, this technique for needing autoclave moulding.Concurrently, with compressed air make bladder V inflate, as in Fig. 2 arrow F1 and
What F2 was indicated.This technique moulded with bladder makes it possible in a precise manner:The outer diameter of one side control framework 2, because
Wall for frame against the chamber of two parts of mold is molded;On the other hand by being injected into the pressure of the air in bladder V
Power is horizontal and controls internal diameter.When being removed from mold, frame 2 shows with bar 6 is formed as a single-piece.Enable bladder V forever
It is maintained in racket long.
In addition, bar 6 is fired twice, firing is once separated with frame 2, another time and frame 2 fit together firing.
The feature of the embodiment and variant embodiment that are considered above can be combined with each other, to generate the new implementation of the present invention
Example.
Claims (7)
1. method of the one kind for producing racket (1), the described method comprises the following steps:
B) manufacture frame (2),
C) temperature law is placed in a mold and applied to entire component,
D) it surrounds an end sections (62) of bar and manufactures connector around two ends (2a, 2b) of the frame (2)
(3),
E) bar (6) and the frame (2) are assembled,
The method is characterized in that the method includes including including step a), the step a) before the step b)
The bar (6) is manufactured, the bar has outer diameter less than an end sections (62) of the diameter of central part, and, in step
D) in, the connector (3) is so that the mode that the connector is flushed with the peripheral surface (S60) of the central part (60) of the bar
It generates.
2. according to the method described in claim 1, it is characterized in that, during the step e), thermal compression molding process is executed.
3. according to the method described in claim 1, it is characterized in that, in the step e) periods, using across the frame (2)
Molding process is executed with the bladder (V) of the bar (6).
4. according to the method described in claim 1, it is characterized in that, by around the end sections reduced with cross section
Cylindrical mandrel winding filament execute the step a).
5. according to the method described in claim 1, it is characterized in that, the step a) for manufacturing the bar (6) includes some sub-steps,
The sub-step includes:
I, the cylindrical tube with constant cross-section is formed by enclosing filament wrapped around a mandrel, and
To form an end sections, one end sections have compared with the rest part of the pipe for ii, the processing pipe
There is the diameter of reduction.
6. according to the method described in claim 1 to 5 one, which is characterized in that during the step d), by that will surround
The pre-impregnated carbon fiber item that the end sections (62) of the bar and two ends (2a, 2b) for surrounding the frame (2) wind
It is assembled to manufacture the connector (3).
7. according to the method described in claim 6, it is characterized in that, around the end sections (62) of the bar and around described
The T-shaped connector of pre-impregnated carbon fiber bar shaped of two ends (2a, 2b) winding of frame (2).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1456730 | 2014-07-11 | ||
FR1456730A FR3023490B1 (en) | 2014-07-11 | 2014-07-11 | BADMINTON RACKET AND METHOD FOR MANUFACTURING A BADMINTON RACKET |
PCT/EP2015/065791 WO2016005544A1 (en) | 2014-07-11 | 2015-07-10 | Badminton racket and method for the production of a badminton racket |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106536001A CN106536001A (en) | 2017-03-22 |
CN106536001B true CN106536001B (en) | 2018-10-19 |
Family
ID=51352707
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201580037850.1A Active CN106536001B (en) | 2014-07-11 | 2015-07-10 | Racket and method for producing racket |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP6622282B2 (en) |
CN (1) | CN106536001B (en) |
FR (1) | FR3023490B1 (en) |
WO (1) | WO2016005544A1 (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE605166C (en) * | 1934-11-05 | Richard Berthold | Tennis racket with a metal string frame | |
CN1981897A (en) * | 2005-12-14 | 2007-06-20 | 黄展刚 | Middle tube of badminton racket and its production |
CN101502711A (en) * | 2008-02-04 | 2009-08-12 | 登路普·史莱辛格集团有限公司 | Badminton racket and method for producing the same |
CN103706089A (en) * | 2014-01-09 | 2014-04-09 | 宿迁傲达康复合材料有限公司 | Badminton racket and manufacturing method thereof |
CN103706095A (en) * | 2012-10-08 | 2014-04-09 | 如皋市逸人服饰有限公司 | Battledore |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5880269U (en) * | 1981-11-27 | 1983-05-31 | ヤマハ株式会社 | badminton racket frame |
GB2234909A (en) * | 1989-08-05 | 1991-02-20 | Heh Chien Hwa | Racket frame |
CN1027140C (en) * | 1992-01-03 | 1994-12-28 | 尤景三 | Improved racket frame |
CN2754672Y (en) * | 2004-12-07 | 2006-02-01 | 厦门侨兴工业有限公司 | Multi-stage middle tube of badminton racket |
CN2882705Y (en) * | 2006-04-14 | 2007-03-28 | 涂武生 | Novel badminton racket |
GB2440509B (en) * | 2006-08-01 | 2011-07-06 | Dunlop Slazenger Group Ltd | Badminton racquet and method of manufacturing it |
CN200948333Y (en) * | 2006-09-26 | 2007-09-19 | 昌龙国际有限公司 | Structure improvement of battledore |
KR20100050775A (en) * | 2008-11-06 | 2010-05-14 | 추원경 | Separable badiminton racket |
-
2014
- 2014-07-11 FR FR1456730A patent/FR3023490B1/en active Active
-
2015
- 2015-07-10 JP JP2017500906A patent/JP6622282B2/en active Active
- 2015-07-10 WO PCT/EP2015/065791 patent/WO2016005544A1/en active Application Filing
- 2015-07-10 CN CN201580037850.1A patent/CN106536001B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE605166C (en) * | 1934-11-05 | Richard Berthold | Tennis racket with a metal string frame | |
CN1981897A (en) * | 2005-12-14 | 2007-06-20 | 黄展刚 | Middle tube of badminton racket and its production |
CN101502711A (en) * | 2008-02-04 | 2009-08-12 | 登路普·史莱辛格集团有限公司 | Badminton racket and method for producing the same |
CN103706095A (en) * | 2012-10-08 | 2014-04-09 | 如皋市逸人服饰有限公司 | Battledore |
CN103706089A (en) * | 2014-01-09 | 2014-04-09 | 宿迁傲达康复合材料有限公司 | Badminton racket and manufacturing method thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2017519601A (en) | 2017-07-20 |
JP6622282B2 (en) | 2019-12-18 |
FR3023490A1 (en) | 2016-01-15 |
CN106536001A (en) | 2017-03-22 |
WO2016005544A1 (en) | 2016-01-14 |
FR3023490B1 (en) | 2016-08-12 |
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