Games using tangible projectile – Projectile – per se; part thereof or accessory therefor – Comprising casing or cover having stitched seam or laced...
Reexamination Certificate
2009-01-22
2010-12-21
Wong, Steven (Department: 3711)
Games using tangible projectile
Projectile, per se; part thereof or accessory therefor
Comprising casing or cover having stitched seam or laced...
C473S600000
Reexamination Certificate
active
07854672
ABSTRACT:
A ball includes a core and a surface cover that is formed by sewing together two shape-mated covering pieces. Each covering piece has a close-to-edge area defining inboards an inward circumferential zone in which spaced through apertures are defined. The through apertures are circumferentially distributed along the inward circumference of the close-to-edge area. The close-to-edge area has an outward circumference forming a turn-back section. The turn-back section is foldable over and attached to itself by adhesives so as to form a smooth and regular outer circumference of the covering piece. When the surface cover of the ball is completely sewn, a sewn portion between the two covering pieces shows a smooth and regular configuration so that no secondary finishing of the sewn portion of the covering pieces is needed. The manufacturing time of the ball can thus be shortened and the manufacturing costs reduced.
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Lei Leong C.
Wong Steven
LandOfFree
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