Permanent marking of tennis balls with owners initial - is performed using modified soldering iron which burns mark on surface
A heated stamp is used to mark the felt coating of the tennis ball, the marking reaching down to the felt and rubber interface. For this purpose a metal cylinder is inserted into the tip aperture of a soldering iron. A metal stamp is then connected to the metal cylinder in heat-conductive manner. Th...
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Format: | Patent |
Sprache: | eng ; ger |
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Zusammenfassung: | A heated stamp is used to mark the felt coating of the tennis ball, the marking reaching down to the felt and rubber interface. For this purpose a metal cylinder is inserted into the tip aperture of a soldering iron. A metal stamp is then connected to the metal cylinder in heat-conductive manner. The stamp may be a metal wire, suitably bent to represent the desired marking. The marking provided is permanent and does not smear as, pencil or ink markings. |
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