ZA791050B - Games rackets - Google Patents

Games rackets

Info

Publication number
ZA791050B
ZA791050B ZA791050A ZA791050A ZA791050B ZA 791050 B ZA791050 B ZA 791050B ZA 791050 A ZA791050 A ZA 791050A ZA 791050 A ZA791050 A ZA 791050A ZA 791050 B ZA791050 B ZA 791050B
Authority
ZA
South Africa
Prior art keywords
rackets
games
games rackets
Prior art date
Application number
ZA791050A
Other languages
English (en)
Inventor
F Popplewell
Original Assignee
Dunlop Ltd
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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of ZA791050B publication Critical patent/ZA791050B/xx

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
    • 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
    • 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
    • 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
    • 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
    • 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
    • A63B49/11—Frames made of non-metallic materials, other than wood with inflatable tubes, e.g. inflatable during fabrication
    • 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
    • A63B60/50—Details or accessories of golf clubs, bats, rackets or the like with through-holes
    • 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
    • A63B60/54—Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations
    • 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
    • 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
    • Y10S273/00—Amusement devices: games
    • Y10S273/23—High modulus filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
ZA791050A 1978-03-07 1979-03-06 Games rackets ZA791050B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB892578 1978-03-07

Publications (1)

Publication Number Publication Date
ZA791050B true ZA791050B (en) 1980-04-30

Family

ID=9861977

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA791050A ZA791050B (en) 1978-03-07 1979-03-06 Games rackets

Country Status (13)

Country Link
US (2) US4297308A (nl)
JP (1) JPS5935632B2 (nl)
KR (1) KR820001805B1 (nl)
AT (1) AT381864B (nl)
AU (1) AU521085B2 (nl)
BE (1) BE874678A (nl)
CA (1) CA1129453A (nl)
DE (1) DE2908872C2 (nl)
ES (2) ES247142Y (nl)
FR (1) FR2419082A1 (nl)
NL (1) NL173823C (nl)
SE (1) SE439882B (nl)
ZA (1) ZA791050B (nl)

Families Citing this family (51)

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US4338270A (en) * 1979-06-11 1982-07-06 `Totes`, Incorporated Method of fabricating a composite foam hand held implement grip
EP0025127B1 (en) * 1979-08-24 1982-11-24 Dunlop Limited Method of making games racket frame
DE3062290D1 (en) * 1979-08-24 1983-04-14 Dunlop Ltd Games racket frame
DE3373783D1 (en) * 1982-06-14 1987-10-29 Cousin Freres Sa Tennis racket frame and method of manufacturing it
US4511523A (en) * 1982-11-16 1985-04-16 Joseph Hsu Fabrication of a composite material racket frame
USRE33372E (en) * 1983-10-19 1990-10-09 Tennis racket
US4690405A (en) * 1983-10-19 1987-09-01 Frolow Jack L Tennis racket
DE3416377A1 (de) * 1983-12-05 1985-06-13 Walter 7758 Meersburg Holzer Tennisschlaeger aus u-foermig profilierten hohlprofilen
US4614626A (en) * 1984-04-27 1986-09-30 Frerking James R Method for fabricating a tennis racquet frame
GB8418191D0 (en) * 1984-07-17 1984-08-22 Dunlop Ltd Games racket
DE8427999U1 (de) * 1984-09-22 1987-03-26 Kuebler, Siegfried, 7770 Überlingen Schläger für Spiele mit begrenzt elastischem Ball
GB8501006D0 (en) * 1985-01-16 1985-02-20 Dunlop Ltd Games racket
GB2172238B (en) * 1985-03-12 1989-12-28 Diversified Prod Racquets
JPS61164431U (nl) * 1985-04-01 1986-10-13
GB2175243A (en) * 1985-05-21 1986-11-26 Diversified Prod Racquets
JPH0429622Y2 (nl) * 1986-02-20 1992-07-17
USRE34420E (en) * 1986-06-19 1993-10-26 Darling James P Sports racquet
US4786055A (en) * 1986-06-19 1988-11-22 Darling James P Sports racquet
GB2195284B (en) * 1986-09-17 1990-02-28 Diversified Prod Racquets
US4768786A (en) * 1986-10-17 1988-09-06 Siegfried Kuebler Tennis racket
GB8706234D0 (en) * 1987-03-17 1987-04-23 Dunlop Ltd Games racket
US4938280A (en) * 1988-11-07 1990-07-03 Clark William E Liquid-cooled, flat plate heat exchanger
US5273597A (en) * 1988-11-26 1993-12-28 Honda Giken Kogyo Kabushiki Kaisha Trim member for motor vehicle and method of and system for manufacturing the same
AT399470B (de) * 1988-12-15 1995-05-26 Head Sport Ag Verfahren zur herstellung eines ballspielschlägerrahmens
US4903967A (en) * 1989-01-27 1990-02-27 Ferrari Importing Company, Inc. Racket frame having holes for tailoring frame stiffness
GB2231834A (en) * 1989-05-27 1990-11-28 Dunlop Ltd Hollow elongate mouldings
US5283020A (en) * 1989-09-28 1994-02-01 United Technologies Corporation Component protection from contaminants
JPH0687903B2 (ja) * 1989-12-05 1994-11-09 住友ゴム工業株式会社 テニスラケットフレーム
US4997186A (en) * 1989-12-08 1991-03-05 Ferrari Importing Company, Inc. Racket frame having multi-dimensional cross-sectional construction
US5211396A (en) * 1990-03-16 1993-05-18 Ferrari Importing Company Multi-frame racket
US5005834A (en) * 1990-03-16 1991-04-09 Ferrari Importing Company Multi-frame racket
US5540434A (en) * 1990-08-21 1996-07-30 Wilson Sporting Goods Co. Tennis racket
US5176868A (en) * 1991-01-24 1993-01-05 Prince Manufacturing, Inc. Long fiber reinforced thermoplastic frame especially for a tennis racquet
US5242646A (en) * 1992-05-07 1993-09-07 Minnesota Mining And Manufacturing Company Method of making an interengaging fastener member
US5534213A (en) * 1993-10-12 1996-07-09 Epling; Marvin E. Injection molded limb for compound bow
US5922255A (en) * 1997-04-04 1999-07-13 Highlander Sports, Llc Method of manufacturing a racket frame and throat
US6506134B2 (en) 1997-06-25 2003-01-14 Fabio Paolo Bertolotti Interlocking string network for sports rackets
US6132325A (en) * 1997-06-25 2000-10-17 Bertolotti; Fabio P Interlocking string network for sport rackets
US6245265B1 (en) * 1999-06-23 2001-06-12 International Business Machines Corporation Method of forming a die-castable hollow core actuator arm with improved damping
US20060017197A1 (en) * 2004-07-20 2006-01-26 Christensen Donald J Coring of compression-molded phenolic
ATE426436T1 (de) * 2006-04-11 2009-04-15 Prince Sports Inc Verfahren zur herstellung eines sportschlagers
DE102008064385B4 (de) * 2008-12-22 2011-05-05 Head Technology Gmbh Ballspielschläger
WO2011098031A1 (zh) * 2010-02-11 2011-08-18 Chen Jinxiang 一体化制备多边形栅格蜂窝空芯与实芯功能板的模具与方法
US8734925B2 (en) 2011-10-19 2014-05-27 Hexcel Corporation High pressure molding of composite parts
US20140041977A1 (en) * 2012-08-10 2014-02-13 Wen-Chan Chang Suitcase with Retractable Handle Assembly
US9399155B2 (en) 2012-11-27 2016-07-26 Wilson Sporting Goods Co. Optimized thermoplastic racquet
US9199135B2 (en) 2012-11-27 2015-12-01 Wilson Sporting Goods Co. Optimized thermoplastic racquet
US9192822B2 (en) 2012-11-27 2015-11-24 Wilson Sporting Goods Co. Optimized thermoplastic racquet
US10391679B2 (en) * 2016-07-22 2019-08-27 Schlumberger Technology Corporation Perforated membranes and methods of making the same
CN108096802B (zh) * 2018-01-17 2023-05-05 安徽三才体育用品有限公司 一种三段式羽毛球植毛架
US10751581B2 (en) 2018-03-12 2020-08-25 Wilson Sporting Goods Co. Racquet configured with increased flexibility in multiple directions with respect to a longitudinal axis

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1401567A (en) * 1921-12-27 Process and apparatus for manufacturing hollow rubber articles
US1472202A (en) * 1922-07-08 1923-10-30 Spalding & Bros Ag Tennis racket
AT144504B (de) * 1934-03-21 1936-02-10 Denes Von Mihaly Vorrichtung zur kontinuierlichen Aufzeichnung und Wiedergabe von photographischen Aufzeichnungen auf einem endlosen Filmband.
GB773971A (en) * 1951-07-25 1957-05-01 John Frederick Patrick Smith Process for moulding so-called "plastic" materials
DE1692615U (de) * 1954-09-23 1955-02-03 Artur Zoebl Vollplastik-federballschlaeger.
GB828685A (en) * 1955-10-04 1960-02-24 Cole E K Ltd Improvements relating to the moulding of thermoplastic articles
DE1748534U (de) * 1957-02-20 1957-07-11 Bernard R Friedrichs Tennis-schlaeger, vorzugsweise fuer federball-spiel, aus kunststoff.
DE1893026U (de) * 1963-12-09 1964-05-14 Georg Brohm Schlaeger fuer tischtennis oder aehnliche ballspiele
DE1604528A1 (de) * 1966-06-16 1970-11-12 Bayer Ag Formkern zur Herstellung von Hohlkoerpern aller Art
US3625512A (en) * 1968-01-26 1971-12-07 Peter A Latham Extruded racket having two seamless hollow tubes formed with an interconnecting web
US3809402A (en) * 1969-01-02 1974-05-07 Dunlop Holdings Ltd Tennis rackets and frames therefor
DE6908641U (de) * 1969-02-24 1969-06-26 Tech Akustik Gmbh & Co Tennisschlaeger
US3664668A (en) * 1970-04-03 1972-05-23 Franklin W Held Racketball or tennis racket having a tubular metal frame
FR2098838A5 (nl) * 1970-07-29 1972-03-10 Robin Jacques
US3892831A (en) * 1970-07-29 1975-07-01 Jacques Andre Robin Method of manufacture of tennis rackets of reinforced synthetic material
US3752478A (en) * 1971-03-26 1973-08-14 Questar Corp Racket frame
GB1362116A (en) * 1971-04-27 1974-07-30 Callenelle Usines Sports rackets
US3882220A (en) * 1971-08-23 1975-05-06 Ryder Int Corp Method of molding utilizing meltable core
CH530249A (de) * 1971-10-22 1972-11-15 Liechti Fritz Dipl Ing Dr Verfahren zur Herstellung von Formteilen aus Kunststoffen mit komplizierten Aussparungen und Hohlräumen
ATA493572A (de) * 1972-06-08 1975-04-15 Fischer Gmbh Ballschlager und verfahren zu seiner herstellung
IT975226B (it) * 1972-06-20 1974-07-20 Kicherer K Procedimento per la fabbricazione di racchette da tennis
FR2270908A1 (en) * 1973-12-19 1975-12-12 Martel Rene Moulded resin tennis racket frame - has hollow interfitting string-receiving bosses in two U-section head elements
US3981504A (en) * 1974-03-18 1976-09-21 Ppg Industries, Inc. Glass-carbon reinforced foamed resin tennis racket frame
FR2270909A1 (en) * 1974-05-16 1975-12-12 Barbafieri Gerard Stabiliser fixing device for gymnastic apparatus - is L-shaped with anchoring pin and shock absorber block
FR2276845A1 (fr) * 1974-07-05 1976-01-30 Martel Rene Cadre de raquette et raquette comportant un tel cadre
US3998457A (en) * 1974-12-20 1976-12-21 Pepsico, Inc. Tennis racket
FR2311644A1 (fr) * 1975-05-21 1976-12-17 Guillemin Jean Pierre Procede de moulage en creux dans une resine thermodurcissante transparente et produit moule obtenu
US4165071A (en) * 1976-01-05 1979-08-21 Frolow Jack L Tennis racket
JPS52146329A (en) * 1976-05-27 1977-12-06 Nippon Gakki Seizo Kk Racket frame
DE2631345A1 (de) * 1976-07-13 1978-01-26 Bosch Gmbh Robert Tennisschlaeger in verbundbauweise und verfahren zu seiner herstellung
JPS5412930A (en) * 1977-06-30 1979-01-31 Hitachi Chem Co Ltd Racket frame
JPS5416240A (en) * 1977-07-07 1979-02-06 Hitachi Chem Co Ltd Racket frame
JPS5450582A (en) * 1977-09-30 1979-04-20 Nippon Carbon Co Ltd Fiber reinforced plastic molded article

Also Published As

Publication number Publication date
AU4482879A (en) 1979-09-13
ES247142Y (es) 1982-04-16
AU521085B2 (en) 1982-03-18
SE7901921L (sv) 1979-09-08
CA1129453A (en) 1982-08-10
US4297308A (en) 1981-10-27
NL173823C (nl) 1984-03-16
KR820001805B1 (ko) 1982-10-12
DE2908872A1 (de) 1980-01-31
NL7901765A (nl) 1979-09-11
US4440392A (en) 1984-04-03
NL173823B (nl) 1983-10-17
BE874678A (fr) 1979-07-02
SE439882B (sv) 1985-07-08
ATA171179A (de) 1986-05-15
JPS5935632B2 (ja) 1984-08-29
FR2419082A1 (fr) 1979-10-05
ES482324A1 (es) 1980-10-01
DE2908872C2 (de) 1985-01-03
AT381864B (de) 1986-12-10
JPS54127735A (en) 1979-10-03
FR2419082B1 (nl) 1981-09-18
ES247142U (es) 1981-10-16

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