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GB1131321A - Table tennis balls - Google Patents

Table tennis balls

Info

Publication number
GB1131321A
GB1131321A GB4182664A GB4182664A GB1131321A GB 1131321 A GB1131321 A GB 1131321A GB 4182664 A GB4182664 A GB 4182664A GB 4182664 A GB4182664 A GB 4182664A GB 1131321 A GB1131321 A GB 1131321A
Authority
GB
United Kingdom
Prior art keywords
astm
table tennis
tennis balls
inch
oct
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
GB4182664A
Inventor
James Jones-Hinton
Thomas Edward Horace Gray
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.)
Dunlop Co Ltd
Original Assignee
Dunlop Co 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
Priority to BE756475D priority Critical patent/BE756475Q/en
Priority to GB1897/17A priority patent/GB113136A/en
Application filed by Dunlop Co Ltd filed Critical Dunlop Co Ltd
Priority to GB4182664A priority patent/GB1131321A/en
Priority to SE1290365A priority patent/SE345599B/xx
Priority to CH1418565A priority patent/CH453157A/en
Priority to DE1965D0048423 priority patent/DE1478024B2/en
Priority to JP6269265A priority patent/JPS5017897B1/ja
Priority to FR34993A priority patent/FR1494721A/en
Publication of GB1131321A publication Critical patent/GB1131321A/en
Expired legal-status Critical Current

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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular articles
    • 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
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/04—Combined thermoforming and prestretching, e.g. biaxial stretching
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • B29C65/04—Dielectric heating, e.g. high-frequency welding, i.e. radio frequency welding of plastic materials having dielectric properties, e.g. PVC
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/01—General aspects dealing with the joint area or with the area to be joined
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/13—Single flanged joints; Fin-type joints; Single hem joints; Edge joints; Interpenetrating fingered joints; Other specific particular designs of joint cross-sections not provided for in groups B29C66/11 - B29C66/12
    • B29C66/131—Single flanged joints, i.e. one of the parts to be joined being rigid and flanged in the joint area
    • B29C66/1312—Single flange to flange joints, the parts to be joined being rigid
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
    • B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/82—Pressure application arrangements, e.g. transmission or actuating mechanisms for joining tools or clamps
    • B29C66/824—Actuating mechanisms
    • B29C66/8242—Pneumatic or hydraulic drives
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/04—Spherical articles, e.g. balls
    • 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
    • A63B2039/003—Hollow non-inflatable balls, i.e. having no valves substantially hollow and pressureless
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2102/00—Application of clubs, bats, rackets or the like to the sporting activity ; particular sports involving the use of balls and clubs, bats, rackets, or the like
    • A63B2102/16—Table tennis
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/08—Deep drawing or matched-mould forming, i.e. using mechanical means only
    • B29C51/082—Deep drawing or matched-mould forming, i.e. using mechanical means only by shaping between complementary mould parts
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
    • 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
    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C66/00—General aspects of processes or apparatus for joining preformed parts
    • B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
    • B29C66/71—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the composition of the plastics material of the parts to be joined
    • 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
    • B29L2022/00—Hollow articles
    • 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
    • B29L2022/00—Hollow articles
    • B29L2022/002—Globes
    • 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
    • B29L2031/54—Balls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

1,131,321. Table tennis balls. DUNLOP CO. Ltd. 6 Oct., 1965 [14 Oct., 1964: 15 May, 1965], Nos. 41826/64 and 20632/65. Heading A6D. [Also in Division C3] Table tennis balls are made from rigid thermoplastic material having a burning rate (ASTM D-635-63) of not more than 5 inches per minute, a power factor at 10<SP>6</SP> cycles (ASTM D-150-59T) of not more than 0.05, an Izod impact strength on a ¢ inch by ¢ inch notched bar (ASTM D-256-56) of at least 2.5 ft. lb./in. of notch and a water absorption less than 0.9% in 24 hour for a thickness of 0.125 inch (ASTM D-570). Specified are PVC, acrylonitrile - butadiene - styrene copolymers, polypropylene, highly crystalline ethylene-propylene copolymers, high density polyethylene, polycarbonates, polyamides and high molecular weight diphenylol propane-epichlorohydrin copolymers having no free iponide groups. The manufacture of table tennis balls is as described in Specification 1,131,323.
GB4182664A 1917-02-07 1964-10-14 Table tennis balls Expired GB1131321A (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
BE756475D BE756475Q (en) 1964-10-14 TABLE TENNIS BALLS
GB1897/17A GB113136A (en) 1917-02-07 1917-02-07 Improved Means for Computing the Elevation or Deflection of Guns and the Setting of Fuses.
GB4182664A GB1131321A (en) 1964-10-14 1964-10-14 Table tennis balls
SE1290365A SE345599B (en) 1964-10-14 1965-10-05
CH1418565A CH453157A (en) 1964-10-14 1965-10-14 Table tennis ball
DE1965D0048423 DE1478024B2 (en) 1964-10-14 1965-10-14 TWO-STAGE VACUUM DEEP DRAWING PROCESS TO MANUFACTURE A TABLE TENNIS BALL
JP6269265A JPS5017897B1 (en) 1964-10-14 1965-10-14
FR34993A FR1494721A (en) 1964-10-14 1965-10-14 Hollow plastic articles and in particular table tennis balls

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB4182664A GB1131321A (en) 1964-10-14 1964-10-14 Table tennis balls
GB2063265 1965-05-15
FR34993A FR1494721A (en) 1964-10-14 1965-10-14 Hollow plastic articles and in particular table tennis balls

Publications (1)

Publication Number Publication Date
GB1131321A true GB1131321A (en) 1968-10-23

Family

ID=27242627

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4182664A Expired GB1131321A (en) 1917-02-07 1964-10-14 Table tennis balls

Country Status (7)

Country Link
JP (1) JPS5017897B1 (en)
BE (1) BE756475Q (en)
CH (1) CH453157A (en)
DE (1) DE1478024B2 (en)
FR (1) FR1494721A (en)
GB (1) GB1131321A (en)
SE (1) SE345599B (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306719A (en) 1979-01-12 1981-12-22 Dunlop Limited Cores for tennis balls
JP2013240853A (en) * 2012-05-18 2013-12-05 Keylex Corp Hand device
EP2990082A4 (en) * 2013-04-26 2016-05-11 Nippon Takkyu Co Ltd Table tennis ball and table tennis ball-use thermoplastic resin composition
US20170106247A1 (en) * 2014-03-21 2017-04-20 Weener Plastik Gmbh Celluloid-free, substantially spherical hollow body and fabrication thereof
CN109731294A (en) * 2019-03-18 2019-05-10 曲阜师范大学 A training table tennis ball capable of increasing friction and its manufacturing method
CN109777030A (en) * 2018-12-27 2019-05-21 聚石化学(苏州)有限公司 A kind of table tennis material and table tennis that proof stress whitens
CN109810460A (en) * 2018-12-27 2019-05-28 聚石化学(苏州)有限公司 A kind of table tennis PC/ABS composite material and preparation method and application

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0095121A3 (en) * 1982-05-16 1986-01-29 Kurt Hacker Method of and apparatus for manufacturing a flat mirror body of at least partially curved thermoplastic material
DE3723021A1 (en) * 1987-07-11 1989-01-19 Alkor Gmbh METHOD AND DEVICE FOR PRODUCING MOLDED PARTS OR ITEMS
DE10313495A1 (en) * 2003-03-25 2004-10-14 Fagerdala Deutschland Gmbh Forming plastic hollow shapes, e.g. for air ducts, involves drawing pre-heated sheets to permeable tool walls by suction and then closing tool to seal edges
DE102005044178A1 (en) * 2005-09-15 2007-03-29 Thomas Dr. Wollheim Table tennis ball

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4306719A (en) 1979-01-12 1981-12-22 Dunlop Limited Cores for tennis balls
JP2013240853A (en) * 2012-05-18 2013-12-05 Keylex Corp Hand device
EP2990082A4 (en) * 2013-04-26 2016-05-11 Nippon Takkyu Co Ltd Table tennis ball and table tennis ball-use thermoplastic resin composition
US9623288B2 (en) 2013-04-26 2017-04-18 Nippon Takkyu Co., Ltd. Table tennis ball and table tennis ball-use thermoplastic resin composition
US20170106247A1 (en) * 2014-03-21 2017-04-20 Weener Plastik Gmbh Celluloid-free, substantially spherical hollow body and fabrication thereof
US10478678B2 (en) * 2014-03-21 2019-11-19 Weener Plastik Gmbh Celluloid-free, substantially spherical hollow body and fabrication thereof
CN109777030A (en) * 2018-12-27 2019-05-21 聚石化学(苏州)有限公司 A kind of table tennis material and table tennis that proof stress whitens
CN109810460A (en) * 2018-12-27 2019-05-28 聚石化学(苏州)有限公司 A kind of table tennis PC/ABS composite material and preparation method and application
CN109777030B (en) * 2018-12-27 2021-06-01 聚石化学(苏州)有限公司 Stress whitening-resistant table tennis material and table tennis
CN109810460B (en) * 2018-12-27 2021-08-17 聚石化学(苏州)有限公司 PC/ABS composite material for table tennis and preparation method and application thereof
CN109731294A (en) * 2019-03-18 2019-05-10 曲阜师范大学 A training table tennis ball capable of increasing friction and its manufacturing method

Also Published As

Publication number Publication date
DE1478024A1 (en) 1970-08-13
JPS5017897B1 (en) 1975-06-25
DE1478024B2 (en) 1976-12-16
CH453157A (en) 1968-09-13
BE756475Q (en) 1971-03-01
SE345599B (en) 1972-06-05
FR1494721A (en) 1967-09-15

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