ES472007A1 - Una pelota sobrecomprimida - Google Patents

Una pelota sobrecomprimida

Info

Publication number
ES472007A1
ES472007A1 ES472007A ES472007A ES472007A1 ES 472007 A1 ES472007 A1 ES 472007A1 ES 472007 A ES472007 A ES 472007A ES 472007 A ES472007 A ES 472007A ES 472007 A1 ES472007 A1 ES 472007A1
Authority
ES
Spain
Prior art keywords
ball game
inflated ball
mixture
cavity
ball
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.)
Expired
Application number
ES472007A
Other languages
English (en)
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.)
Aerojet Rocketdyne Holdings Inc
Original Assignee
General Tire and Rubber Co
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 General Tire and Rubber Co filed Critical General Tire and Rubber Co
Publication of ES472007A1 publication Critical patent/ES472007A1/es
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B39/00—Hollow non-inflatable balls, i.e. having no valves
    • A63B39/02—Arrangements for maintaining the pressure
    • A63B39/027—Arrangements for maintaining the pressure using special inflation gases

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Toys (AREA)

Abstract

Una pelota sobrecomprimida que incluye una pared elastómera permeable al gas que define una cavidad hueca que contiene un sistema gaseoso de baja permeabilidad a presión y una cantidad suficiente de un material para amortiguar cualquier resonancia audible inducida en dicho sistema gaseoso seleccionado del grupo que consiste en espuma que tiene un punto de reblandecimiento mayor que cualquier temperatura encontrada después del primer proceso de curado, vermiculita, sílice hidratada, polvo de caucho, jaboncillo, algodón, estopilla y papel.
ES472007A 1977-08-01 1978-07-24 Una pelota sobrecomprimida Expired ES472007A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82100277A 1977-08-01 1977-08-01

Publications (1)

Publication Number Publication Date
ES472007A1 true ES472007A1 (es) 1979-02-01

Family

ID=25232247

Family Applications (1)

Application Number Title Priority Date Filing Date
ES472007A Expired ES472007A1 (es) 1977-08-01 1978-07-24 Una pelota sobrecomprimida

Country Status (9)

Country Link
JP (1) JPS5923223B2 (es)
AU (1) AU503457B1 (es)
BE (1) BE869287A (es)
CA (1) CA1107783A (es)
DE (1) DE2833733A1 (es)
ES (1) ES472007A1 (es)
FR (1) FR2399258A1 (es)
GB (1) GB2001538B (es)
IT (1) IT1097586B (es)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4248275A (en) * 1979-02-09 1981-02-03 The General Tire & Rubber Company Method for obtaining uniformly mixed gases in a ball mold
EP0022961A1 (en) * 1979-07-19 1981-01-28 Dunlop Limited Play ball
JPS60183531U (ja) * 1984-05-14 1985-12-05 ミサワホ−ム株式会社 配線引込スリ−ブ
ZA85571B (en) * 1984-08-06 1985-09-25 Wilson Sporting Goods Large-diameter tennis ball
AR004306A1 (es) * 1995-11-10 1998-11-04 Tretorn Res And Dev Ltd Una pelota y metodo para fabricarla

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE153633C (es) *
FR1335943A (fr) * 1962-10-12 1963-08-23 S E A Ets Balle ou ballon increvable
FR2044229A5 (es) * 1969-05-13 1971-02-19 Delacoste & Cie
ZA738777B (en) * 1973-01-18 1974-10-30 Gen Tire & Rubber Co Tennis ball inflation
US4098504A (en) * 1975-10-31 1978-07-04 The General Tire & Rubber Company Tennis ball
FR2413097A1 (fr) * 1977-12-29 1979-07-27 Gen Tire & Rubber Co Balle de jeu gonflee a longue duree

Also Published As

Publication number Publication date
DE2833733A1 (de) 1979-02-15
GB2001538A (en) 1979-02-07
FR2399258A1 (fr) 1979-03-02
IT7826347A0 (it) 1978-07-31
GB2001538B (en) 1982-03-10
JPS5427831A (en) 1979-03-02
IT1097586B (it) 1985-08-31
AU503457B1 (en) 1979-09-06
FR2399258B1 (es) 1983-01-21
CA1107783A (en) 1981-08-25
JPS5923223B2 (ja) 1984-05-31
BE869287A (fr) 1978-11-16

Similar Documents

Publication Publication Date Title
ES468652A1 (es) Procedimiento de espumacion.
ATE18614T1 (de) Pneumatischer lungensimulator.
ES472007A1 (es) Una pelota sobrecomprimida
GB911739A (en) A decompression stage indicator for divers
AU530089B2 (en) Absorbing pressure variations incnetrifugal compressor diffuser by use of resonant cavities
JPS5391423A (en) Diaphragm valve for use in compressed gas breathing device being controlled by lungs
JPS5388719A (en) Head phone
GB771575A (en) Improvements in or relating to swimming aids or life saving devices
GB633652A (en) Improvements in or relating to means for making model structures comprising toy building blocks or bricks
JPS5265420A (en) Vibration board for speaker
SE7808145L (sv) Tryckgasfylld spelboll som bibehaller trycket under lang tid och har minskat ljud
YU176577A (en) Autoclave operable under pressure by a mixture of water vapour and air
JPS5245716A (en) Sealed type motor compressor
GB680161A (en) Improvements in or relating to soft toys
GB861983A (en) Collapsible and inflatable foam material
JPS5377679A (en) Watch with alarm
JPS5312294A (en) Supporting structure of piezoelectric vibrator
JPS5334068A (en) Cylindrical vibration absorbing rubber provided with spirally-formed inside cylinder
JPS5269289A (en) Piezo-vibrator unit
JPS56116394A (en) Speaker system
JPS5493391A (en) Small sized audio unit
GB1422836A (en) Air horn
GB645286A (en) Improvements in sound-producing devices or instruments, particularly for toys
SE7602974L (sv) Sett och anordning for fjerrmetning av tryck i ett pneumatiskt deck
FR2413097A1 (fr) Balle de jeu gonflee a longue duree

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19980202