KR830003222A - 경기용 라켓트 프레임 제조방법 - Google Patents
경기용 라켓트 프레임 제조방법 Download PDFInfo
- Publication number
- KR830003222A KR830003222A KR1019800003310A KR800003310A KR830003222A KR 830003222 A KR830003222 A KR 830003222A KR 1019800003310 A KR1019800003310 A KR 1019800003310A KR 800003310 A KR800003310 A KR 800003310A KR 830003222 A KR830003222 A KR 830003222A
- Authority
- KR
- South Korea
- Prior art keywords
- core
- mould
- racket frame
- manufacturing
- lugs
- Prior art date
Links
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
- A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4457—Removing or ejecting moulded articles for undercut articles using fusible, soluble or destructible cores
-
- 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
- A63B2049/103—Frames made of non-metallic materials, other than wood string holes produced during moulding process
-
- 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
- B29C33/52—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 soluble or fusible
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
- Y10S264/44—Plastic and nonmetallic article shaping or treating: processes using destructible molds or cores in molding processes
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Treatments Of Macromolecular Shaped Articles (AREA)
- Semiconductor Lasers (AREA)
- Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
Abstract
내용 없음
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 위치결정 러그를 가진 코어의 일형태와 함께 주형강을 나타내는 적당한 주형의 일부분의 단면도.
제2도는 제1조의 선 Ⅱ―Ⅱ에 따른 단면도.
제3도는 제1도의 선 Ⅲ―Ⅲ에 따른 단면도.
제4도는 위치결정 러그를 가진 코어의 다른 형태와 함께 주형강을 나타내는, 제1도와 유사한 도면.
제5도는 제4도의 선 Ⅵ―Ⅵ에 따른 단면도.
제6도는 제4도의 선 Ⅴ―Ⅴ에 따른 단면도.
제7도는 성형된 라켓트 프레임의 정면도이다.
제8도는 제7도의 라켓트 프레임의 측면도이다.
Claims (1)
- 헤드(23)와 샤프트(25)로 된 라켓트 프레임에서 적어도 헤드(23)가, 적당한 주형(10)내측에 가용성 코어(14)를 배치하고 그 주형절반부(11, 12)의 내벽과 코어 사이의 공간(13)내에 열가소성 물질을 사출함에 의해 형성되고, 코어가 사출온도보다 낮은 융점을 가지고 있어 성형물을 세트한 다음, 코어를 용융시키는데 충분하나 성형물을 용융 또는 변형시키지 않는 온도로 그 사출온도를 상승시키는 경기용 라켓트 프레임 제조방법에 있어서, 코어(14)가 주형 절반부(11, 12)의 내벽에 접하고 소망의 위치에 그 코어를 보지하는 다수의 위치결정 러그(15)를 가지는 형태로 된 것을 특징으로 하는 라켓트 프레임 제조방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7929590 | 1979-08-24 | ||
GB29590 | 1979-08-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR830003222A true KR830003222A (ko) | 1983-06-18 |
KR830001508B1 KR830001508B1 (ko) | 1983-08-08 |
Family
ID=10507422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019800003310A KR830001508B1 (ko) | 1979-08-24 | 1980-08-22 | 정구채 제조용 코어 |
Country Status (11)
Country | Link |
---|---|
US (1) | US4343757A (ko) |
EP (1) | EP0025127B1 (ko) |
JP (1) | JPS59225B2 (ko) |
KR (1) | KR830001508B1 (ko) |
AT (1) | ATE1844T1 (ko) |
AU (1) | AU534207B2 (ko) |
CA (1) | CA1146346A (ko) |
DE (1) | DE3061156D1 (ko) |
ES (1) | ES8105196A1 (ko) |
GB (1) | GB2056863B (ko) |
ZA (1) | ZA805013B (ko) |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0108652B1 (fr) * | 1982-06-14 | 1987-09-23 | Cousin Freres S.A. | Cadre de raquette de tennis et son procédé de fabrication |
US4614627A (en) * | 1982-10-05 | 1986-09-30 | Dunlop Limited | Method of injection molding a thermoplastic hollow or hollow foam filled one piece head of a golf club |
GB8501006D0 (en) * | 1985-01-16 | 1985-02-20 | Dunlop Ltd | Games racket |
GB8706234D0 (en) * | 1987-03-17 | 1987-04-23 | Dunlop Ltd | Games racket |
SE465259B (sv) * | 1989-02-02 | 1991-08-19 | Electrolux Plastcenter Ab | Saett och anordning vid formsprutning |
US5242162A (en) * | 1991-08-02 | 1993-09-07 | Arthur Hong | String holes of a sports racket frame |
US5234657A (en) * | 1991-08-02 | 1993-08-10 | Arthur Hong | Method of making string holes in a sports racket frame |
US5460213A (en) * | 1992-03-18 | 1995-10-24 | Uniroyal Goodrich Licensing Services, Inc. | Multiple non-pneumatic tire and process for making it |
FR2695836A1 (fr) * | 1992-09-18 | 1994-03-25 | Taylor Made Golf Co | Procédé de fabrication d'une tête de club de golf comprenant des masselottes d'inertie. |
US5368296A (en) * | 1992-11-05 | 1994-11-29 | Liu; Leueis | Game racket frame |
DE69517619T2 (de) * | 1994-04-11 | 2001-02-15 | Wavex Corp | Schläger mit unebenem Rahmen |
US5853651A (en) * | 1995-09-07 | 1998-12-29 | Simula, Inc. | High pressure hollow process for manufacturing composite structures |
DE19710253A1 (de) * | 1997-03-13 | 1998-09-17 | Mann & Hummel Filter | Verfahren zum Herstellen von Körpern aus Kunststoff |
US5922255A (en) * | 1997-04-04 | 1999-07-13 | Highlander Sports, Llc | Method of manufacturing a racket frame and throat |
US6497834B1 (en) * | 1998-04-21 | 2002-12-24 | The Goodyear Tire & Rubber Co. | Method of making a flow channel block |
US6547210B1 (en) | 2000-02-17 | 2003-04-15 | Wright Medical Technology, Inc. | Sacrificial insert for injection molding |
US6447412B1 (en) | 2000-04-18 | 2002-09-10 | Ef Composite Technologies, L.P. | Sports racket with undulations in frame interior surface |
DE10148658C1 (de) * | 2001-10-02 | 2003-02-06 | Sgl Carbon Ag | Verfahren zur Herstellung von Hohlkörpern aus faserverstärkten keramischen Materialien |
DE10308532B3 (de) * | 2003-02-27 | 2004-10-21 | Head Technology Ges.M.B.H. | Schläger für Ballspiele |
FR2915125A1 (fr) * | 2007-04-23 | 2008-10-24 | Michelin Soc Tech | Procede de fabrication de moules pour pneumatique cloute. |
DE102011100222A1 (de) * | 2011-05-02 | 2012-11-08 | Rehau Ag + Co | Verfahren zur Herstellung eines Hohlkörpers aus faserverstärktem Kunststoffmaterial |
CN113977820B (zh) * | 2021-11-04 | 2023-06-23 | 株洲时代瑞唯减振装备有限公司 | 一种硫化机模具的开合模方法和便于脱模的硫化机模具 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3520668A (en) * | 1965-10-23 | 1970-07-14 | Owens Illinois Inc | Hollow glass article by module immersion technique |
US3990701A (en) * | 1974-11-26 | 1976-11-09 | Sung Baik Kim | Tennis racket |
US4165071A (en) * | 1976-01-05 | 1979-08-21 | Frolow Jack L | Tennis racket |
US4297308A (en) * | 1978-03-07 | 1981-10-27 | Dunlop Limited | Method of manufacturing games rackets |
-
1980
- 1980-08-11 EP EP80104720A patent/EP0025127B1/en not_active Expired
- 1980-08-11 AT AT80104720T patent/ATE1844T1/de not_active IP Right Cessation
- 1980-08-11 DE DE8080104720T patent/DE3061156D1/de not_active Expired
- 1980-08-12 US US06/177,401 patent/US4343757A/en not_active Expired - Lifetime
- 1980-08-15 ZA ZA00805013A patent/ZA805013B/xx unknown
- 1980-08-19 GB GB8026953A patent/GB2056863B/en not_active Expired
- 1980-08-22 KR KR1019800003310A patent/KR830001508B1/ko active
- 1980-08-22 CA CA000358854A patent/CA1146346A/en not_active Expired
- 1980-08-22 ES ES494440A patent/ES8105196A1/es not_active Expired
- 1980-08-22 AU AU61673/80A patent/AU534207B2/en not_active Ceased
- 1980-08-25 JP JP55116909A patent/JPS59225B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0025127B1 (en) | 1982-11-24 |
EP0025127A1 (en) | 1981-03-18 |
DE3061156D1 (en) | 1982-12-30 |
ATE1844T1 (de) | 1982-12-15 |
ES494440A0 (es) | 1981-06-01 |
KR830001508B1 (ko) | 1983-08-08 |
AU534207B2 (en) | 1984-01-12 |
US4343757A (en) | 1982-08-10 |
ES8105196A1 (es) | 1981-06-01 |
CA1146346A (en) | 1983-05-17 |
JPS59225B2 (ja) | 1984-01-05 |
AU6167380A (en) | 1981-03-05 |
GB2056863A (en) | 1981-03-25 |
ZA805013B (en) | 1981-09-30 |
GB2056863B (en) | 1983-02-02 |
JPS5634363A (en) | 1981-04-06 |
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