Holder for a drive piston of a setting tool

A piston holder for a drive piston (8) of a setting tool and including a circumferential groove (15) provided in a stationary, with respect to the setting tool, component of the setting tool and surrounding the drive piston (8), with the circumferential groove (15) becoming shallower in a drive-out...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: EHMIG GERHARD, HEEB NORBERT
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:A piston holder for a drive piston (8) of a setting tool and including a circumferential groove (15) provided in a stationary, with respect to the setting tool, component of the setting tool and surrounding the drive piston (8), with the circumferential groove (15) becoming shallower in a drive-out direction of the drive piston (8), and an O-shaped helical tension spring (21) located in the circumferential groove (15) and concentrically surrounding the drive piston (8).