GB341551A - Improvements in inflatable rubber bodies - Google Patents

Improvements in inflatable rubber bodies

Info

Publication number
GB341551A
GB341551A GB3184029A GB3184029A GB341551A GB 341551 A GB341551 A GB 341551A GB 3184029 A GB3184029 A GB 3184029A GB 3184029 A GB3184029 A GB 3184029A GB 341551 A GB341551 A GB 341551A
Authority
GB
United Kingdom
Prior art keywords
rubber
portions
vulcanized
rubber bodies
plug
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
GB3184029A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB3184029A priority Critical patent/GB341551A/en
Publication of GB341551A publication Critical patent/GB341551A/en
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
    • A63B39/02—Arrangements for maintaining the pressure
    • A63B39/04—Pricking-balls; Tools for blowing them up

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)

Abstract

341,551. Tennis balls and other inflatable rubber bodies. WILLIAMS, L. E., 82, Farringdon Street, London, and JAMES, G. E., Norfolk Works, Upper Bristol Road, Bath. Oct. 19, 1929, No. 31840. [Class 132 (ii).] Inflatable rubber bodies such as tennis balls are provided with inflating plugs composed of superimposed portions A, C of vulcanized rubber and portions B of less vulcanized rubber, and the plugs protrude into and form part of the outer walls E of the balls. A sleeve D of rubber, which becomes comparatively highly vulcanized when the ball is vulcanized, encloses the portions A, B, C, or the portions B, C only. A projection F protruding into the cloth cover H indicates the position of the plug. In the form shown in Fig. 3, a portion of the unvulcanized rubber B protrudes through the shell to indicate the position of the plug. Specification 328,080, [Class 132 (ii), Games], is referred to.
GB3184029A 1929-10-19 1929-10-19 Improvements in inflatable rubber bodies Expired GB341551A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3184029A GB341551A (en) 1929-10-19 1929-10-19 Improvements in inflatable rubber bodies

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3184029A GB341551A (en) 1929-10-19 1929-10-19 Improvements in inflatable rubber bodies

Publications (1)

Publication Number Publication Date
GB341551A true GB341551A (en) 1931-01-19

Family

ID=10329171

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3184029A Expired GB341551A (en) 1929-10-19 1929-10-19 Improvements in inflatable rubber bodies

Country Status (1)

Country Link
GB (1) GB341551A (en)

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