AU4413993A - Tennis racquet having a surface structure adapted for the reduction of air resistance - Google Patents

Tennis racquet having a surface structure adapted for the reduction of air resistance

Info

Publication number
AU4413993A
AU4413993A AU44139/93A AU4413993A AU4413993A AU 4413993 A AU4413993 A AU 4413993A AU 44139/93 A AU44139/93 A AU 44139/93A AU 4413993 A AU4413993 A AU 4413993A AU 4413993 A AU4413993 A AU 4413993A
Authority
AU
Australia
Prior art keywords
reduction
surface structure
air resistance
structure adapted
tennis racquet
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
Application number
AU44139/93A
Inventor
Not Given Name
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WILLI H VELKE
Original Assignee
WILLI H VELKE
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 WILLI H VELKE filed Critical WILLI H VELKE
Publication of AU4413993A publication Critical patent/AU4413993A/en
Abandoned legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15D—FLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00—Influencing flow of fluids
    • F15D1/10—Influencing flow of fluids around bodies of solid material
    • F15D1/12—Influencing flow of fluids around bodies of solid material by influencing the boundary layer
    • 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
    • A63B60/00—Details or accessories of golf clubs, bats, rackets or the like
    • A63B60/48—Details or accessories of golf clubs, bats, rackets or the like with corrugated cross-section
    • 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
    • A63B60/006—Surfaces specially adapted for reducing air resistance
AU44139/93A 1992-06-30 1993-06-30 Tennis racquet having a surface structure adapted for the reduction of air resistance Abandoned AU4413993A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US90638692A 1992-06-30 1992-06-30
US906386 1992-06-30
PCT/CA1993/000257 WO1994000203A1 (en) 1992-06-30 1993-06-30 Tennis racquet having a surface structure adapted for the reduction of air resistance

Publications (1)

Publication Number Publication Date
AU4413993A true AU4413993A (en) 1994-01-24

Family

ID=25422355

Family Applications (1)

Application Number Title Priority Date Filing Date
AU44139/93A Abandoned AU4413993A (en) 1992-06-30 1993-06-30 Tennis racquet having a surface structure adapted for the reduction of air resistance

Country Status (2)

Country Link
AU (1) AU4413993A (en)
WO (1) WO1994000203A1 (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6162138A (en) * 1998-11-16 2000-12-19 Mckee; Roger W. Attachments presenting rotation aid surfaces for tennis racquet and method of attaching the same
US6261840B1 (en) 2000-01-18 2001-07-17 Isis Pharmaceuticals, Inc. Antisense modulation of PTP1B expression
US6447412B1 (en) 2000-04-18 2002-09-10 Ef Composite Technologies, L.P. Sports racket with undulations in frame interior surface
US6964950B2 (en) 2001-07-25 2005-11-15 Isis Pharmaceuticals, Inc. Antisense modulation of C-reactive protein expression
US7407943B2 (en) 2001-08-01 2008-08-05 Isis Pharmaceuticals, Inc. Antisense modulation of apolipoprotein B expression
US6965025B2 (en) 2001-12-10 2005-11-15 Isis Pharmaceuticals, Inc. Antisense modulation of connective tissue growth factor expression
EP2272958A1 (en) 2002-09-26 2011-01-12 ISIS Pharmaceuticals, Inc. Modulation of forkhead box O1A expression
JP4986109B2 (en) 2002-11-13 2012-07-25 ジェンザイム・コーポレーション Antisense regulation of apolipoprotein B expression
DK1569695T3 (en) 2002-11-13 2013-08-05 Genzyme Corp ANTISENSE MODULATION OF APOLIPOPROTEIN-B EXPRESSION
US6761651B2 (en) * 2002-11-22 2004-07-13 Chin-Dong Pai Aluminum tennis racket
EP2133125B1 (en) * 2008-06-13 2011-11-30 Renew Group Sweden AB Shaft for a sport stick
EP2138207B1 (en) * 2008-06-27 2012-01-04 Head Technology GmbH Ball game bat
GB2514565A (en) * 2013-05-29 2014-12-03 Evan Alun Harrison Mackrill Design to reduce vibrations in a field hockey stick when striking the ball
WO2016033424A1 (en) 2014-08-29 2016-03-03 Genzyme Corporation Methods for the prevention and treatment of major adverse cardiovascular events using compounds that modulate apolipoprotein b
FR3034322B1 (en) 2015-04-01 2018-09-21 Babolat Vs TENNIS RACKET
US20230105842A1 (en) * 2021-10-04 2023-04-06 Joon Bu Park Negative poisson`s ratio materials for racquets and golf tees

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA967184A (en) * 1972-03-20 1975-05-06 John W. Jepson Golf ball dimple spatial relationship
GB2012597A (en) * 1978-01-23 1979-08-01 Smith C G H Improvements in golf clubs
JP2561165B2 (en) * 1990-03-15 1996-12-04 美津濃株式会社 Golf club
US5150896A (en) * 1992-03-03 1992-09-29 David Holmes Game racket with incurvate contact surfaces

Also Published As

Publication number Publication date
WO1994000203A1 (en) 1994-01-06

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