Ball structure used in a baseball or a softball
A ball structure used in a baseball or a softball comprises a ball core; two covers enclosing the ball core; the two covers being seamed together by a seaming wire; an edge of each cover being formed with a plurality of wire holes for being passed by a seaming wire; a plurality of recesses arranged...
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Main Author | |
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Format | Patent |
Language | English |
Published |
22.06.2006
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Subjects | |
Online Access | Get full text |
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Summary: | A ball structure used in a baseball or a softball comprises a ball core; two covers enclosing the ball core; the two covers being seamed together by a seaming wire; an edge of each cover being formed with a plurality of wire holes for being passed by a seaming wire; a plurality of recesses arranged near an edge of each cover; each recess being formed between a respective one of the wire holes and the edge of each cover; a direction of each recess being identical to the seaming direction of the seaming wire; thereby when the two covers enclose the ball core by using the seaming wire; the part of the seaming wire exposing out of the covers fall into the recesses. |
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Bibliography: | Application Number: US20040018432 |