IT1202902B - RACKETS - Google Patents

RACKETS

Info

Publication number
IT1202902B
IT1202902B IT20763/79A IT2076379A IT1202902B IT 1202902 B IT1202902 B IT 1202902B IT 20763/79 A IT20763/79 A IT 20763/79A IT 2076379 A IT2076379 A IT 2076379A IT 1202902 B IT1202902 B IT 1202902B
Authority
IT
Italy
Prior art keywords
rackets
Prior art date
Application number
IT20763/79A
Other languages
Italian (it)
Other versions
IT7920763A0 (en
Inventor
Frank William Pupplewell
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 IT7920763A0 publication Critical patent/IT7920763A0/en
Application granted granted Critical
Publication of IT1202902B publication Critical patent/IT1202902B/en

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C33/00Moulds or cores; Details thereof or accessories therefor
    • B29C33/44Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/52Moulds 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
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00Stringed rackets, e.g. for tennis
    • A63B49/02Frames
    • A63B49/10Frames made of non-metallic materials, other than wood
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/44Removing or ejecting moulded articles for undercut articles
    • B29C45/4457Removing or ejecting moulded articles for undercut articles using fusible, soluble or destructible cores
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00Stringed rackets, e.g. for tennis
    • A63B49/02Frames
    • A63B49/10Frames made of non-metallic materials, other than wood
    • A63B2049/103Frames made of non-metallic materials, other than wood string holes produced during moulding process
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2209/00Characteristics of used materials
    • A63B2209/02Characteristics of used materials with reinforcing fibres, e.g. carbon, polyamide fibres
    • A63B2209/026Ratio fibres-total material
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B49/00Stringed rackets, e.g. for tennis
    • A63B49/02Frames
    • A63B49/10Frames made of non-metallic materials, other than wood
    • A63B49/11Frames made of non-metallic materials, other than wood with inflatable tubes, e.g. inflatable during fabrication
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63BAPPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B60/00Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/54Details or accessories of golf clubs, bats, rackets or the like with means for damping vibrations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/52Sports equipment ; Games; Articles for amusement; Toys
    • B29L2031/5245Rackets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (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)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
IT20763/79A 1978-03-07 1979-03-06 RACKETS IT1202902B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB892578 1978-03-07
GB7906533A GB2015886B (en) 1978-03-07 1979-02-23 Games rackets

Publications (2)

Publication Number Publication Date
IT7920763A0 IT7920763A0 (en) 1979-03-06
IT1202902B true IT1202902B (en) 1989-02-15

Family

ID=26242507

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20763/79A IT1202902B (en) 1978-03-07 1979-03-06 RACKETS

Country Status (2)

Country Link
GB (1) GB2015886B (en)
IT (1) IT1202902B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA815053B (en) * 1980-08-12 1982-09-29 Dunlop Ltd Games racket frame
GB8418191D0 (en) * 1984-07-17 1984-08-22 Dunlop Ltd Games racket
GB8418192D0 (en) * 1984-07-17 1984-08-22 Dunlop Ltd Games racket
GB8501006D0 (en) * 1985-01-16 1985-02-20 Dunlop Ltd Games racket
GB8508916D0 (en) * 1985-04-04 1985-05-09 Dunlop Ltd Making striking implements
GB2195284B (en) * 1986-09-17 1990-02-28 Diversified Prod Racquets
GB8706234D0 (en) * 1987-03-17 1987-04-23 Dunlop Ltd Games racket
AT399470B (en) * 1988-12-15 1995-05-26 Head Sport Ag METHOD FOR PRODUCING A BALL RACKET FRAME
EP0441249A1 (en) * 1990-02-05 1991-08-14 Takeda Chemical Industries, Ltd. A racket frame and production thereof

Also Published As

Publication number Publication date
IT7920763A0 (en) 1979-03-06
GB2015886A (en) 1979-09-19
GB2015886B (en) 1982-05-12

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19940321