JOHN JOSEPH ORANSKY
Engineers in Lansford, PA
License number
Pennsylvania PE027849E
Category
Engineers
Type
Professional Engineer
Address
Address
Lansford, PA 18232
Professional information
Pressurized, Non-Refillable Recreation Ball Inflated With Sulfur Hexafluoride
US Patent:
4358111, Nov 9, 1982
Filed:
Apr 2, 1981
Appl. No.:
6/250505
Inventors:
John Papinsick - Summit Hill PA
John J. Oransky - Lansford PA
Shivaji Sircar - Allentown PA
John J. Oransky - Lansford PA
Shivaji Sircar - Allentown PA
Assignee:
Air Products and Chemicals, Inc. - Allentown PA
International Classification:
A63B 4100
US Classification:
273 61R
Abstract:
A pressurized, non-refillable recreation ball inflated with a mixture of sulfur hexafluoride and air for improved shelf life and pressure retention is obtained by filling the ball with sulfur hexafluoride in a range of 65% to 75% by volume and 35% to 25% by volume of air. Preferably, the sulfur hexafluoride is present in an amount of 71% by volume. The recreation balls include tennis balls, racquet balls, squash balls, handballs and other non-refillable pressurized balls.