GB1038762A - Improvements relating to hollow playballs or other closed hollow articles - Google Patents

Improvements relating to hollow playballs or other closed hollow articles

Info

Publication number
GB1038762A
GB1038762A GB4209061A GB4209061A GB1038762A GB 1038762 A GB1038762 A GB 1038762A GB 4209061 A GB4209061 A GB 4209061A GB 4209061 A GB4209061 A GB 4209061A GB 1038762 A GB1038762 A GB 1038762A
Authority
GB
United Kingdom
Prior art keywords
hollow
blowing agent
mould
ball
closed
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
GB4209061A
Inventor
Bryan Frederick Nicholls
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.)
Mettoy Co Ltd
Original Assignee
Mettoy 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
Application filed by Mettoy Co Ltd filed Critical Mettoy Co Ltd
Priority to GB4209061A priority Critical patent/GB1038762A/en
Publication of GB1038762A publication Critical patent/GB1038762A/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

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)

Abstract

A hollow play ball, or other hollow, closed article, is moulded from a foamed vinyl resin having a closed cell structure, and incorporating a substantial amount of a heavy, inert filler material. As particularly described, the resin mix comprises polyvinyl chloride as base material, di-isobutyl phthalate and chlorinated paraffin as plasticizers, an azodicarbonamide dispersion as the blowing agent, zinc octoate as a stabilizer, and chalk as the inert filler.ALSO:A hollow playball comprises a wall composed of a foamed vinyl resin, having a closed cell structure. The ball is made by introducing the resin mix, together with a blowing agent and a heavy filler material such as chalk, into a spherical mould, the latter subsequently being rotated to distribute the material about the surface of the mould, and being heated to activate the blowing agent. The mix is then cured in the mould, and the resultant ball inflated and sealed.
GB4209061A 1961-11-24 1961-11-24 Improvements relating to hollow playballs or other closed hollow articles Expired GB1038762A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB4209061A GB1038762A (en) 1961-11-24 1961-11-24 Improvements relating to hollow playballs or other closed hollow articles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB4209061A GB1038762A (en) 1961-11-24 1961-11-24 Improvements relating to hollow playballs or other closed hollow articles

Publications (1)

Publication Number Publication Date
GB1038762A true GB1038762A (en) 1966-08-10

Family

ID=10422802

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4209061A Expired GB1038762A (en) 1961-11-24 1961-11-24 Improvements relating to hollow playballs or other closed hollow articles

Country Status (1)

Country Link
GB (1) GB1038762A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197819A (en) * 1986-11-26 1988-06-02 Helix Lighting Ltd Aggregate moulding process
WO1997017109A1 (en) * 1995-11-10 1997-05-15 Tretorn Research And Development Limited A ball and a method of manufacturing a ball
EP0855199A3 (en) * 1997-01-28 1998-12-16 Franco Menotti Non-burstable ball for psychomotor exercises and relative method of production

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2197819A (en) * 1986-11-26 1988-06-02 Helix Lighting Ltd Aggregate moulding process
WO1997017109A1 (en) * 1995-11-10 1997-05-15 Tretorn Research And Development Limited A ball and a method of manufacturing a ball
EP0855199A3 (en) * 1997-01-28 1998-12-16 Franco Menotti Non-burstable ball for psychomotor exercises and relative method of production

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