Maro Publications


Patent Abstracts

from 7/30/2013

Maro Encyclopedia

Ball Valves



Patent Abstracts

1. Sticky Transparent Balls

Transparent play ball containing shapes which temporarily stick to interior wall of ball 

Kessler of Maui Toys, Los Angeles, California, USA, developed a transparent or at least partially transparent or semi-transparent ball, preferably but not necessarily a single-layer of spherical shape, filled with gas under pressure, preferably air, and containing a plurality of decorative small shapes, desirably of a size greater than the size of reflective "glitter" particles, and which are unconnected to the interior of the hall, but which stick or adhere temporarily to the interior of the ball when the ball is shaken or thrown, thereby giving a different pattern of clinging shapes each time the ball is shaken or thrown.  The transparent elastomer is a  a methylene diphenyl diisocyanate based (MDI-based) polyurethane elastomer and may include isocyanate, polyol, and/or a chain extender.  The ball consists of a wall thickness of 3-5 mm, capable of withstanding a temperature of 200-300 C. with a diameter of 9.2 cm.  The appropriate material is necessary for the temporary clinging of internal objects.  The clingable shapes are cut from .005 to 0.015 in thich PVC film and can be different shapes and colors.


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(RDC 6/5/2012)


Roger D. Corneliussen

Maro Polymer Links
Tel: 610 363 9920
Fax: 610 363 9921


Copyright 2013 by Roger D. Corneliussen.
No part of this transmission is to be duplicated in any manner or forwarded by electronic mail without the express written permission of Roger D. Corneliussen

** Date of latest addition; date of first entry is 7/30/2013.