05181717 is referenced by 63 patents and cites 9 patents.

An inflated bladder-type sports or leisure ball, e.g., a football, having as a cover, an external layer of polyurethane or polyurethane-polyurea foam with compact integral skin. The thickness of the covering layer is between about 1.5 and about 5 mm, whereas the thickness of the compact integral skin is between about 0.5 and about 2 mm. The ball may be of a hand-sewn, laminated or overmolded type. A process for manufacturing such balls is disclosed.

Title
Inflated sports ball
Application Number
7/488284
Publication Number
5181717
Application Date
March 2, 1990
Publication Date
January 26, 1993
Inventor
Jacques Casper
Gottenhouse
FR
Jean Marie Donntag
Kehl
FR
Agent
Cushman Darby & Cushman
Assignee
Adidas Sarragan France
FR
IPC
A63B 41/08
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