Tube plug
A tube plug comprises a shell (12) having a tapered inner surface (16) against which an externally tapered expander member (14) moves by application of a pulling force. The expander member (14) is captured in the shell (12) such that motion relative to the shell (12) causes the shell (12) to expand...
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Hauptverfasser: | , , , , |
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | A tube plug comprises a shell (12) having a tapered inner surface (16) against which an externally tapered expander member (14) moves by application of a pulling force. The expander member (14) is captured in the shell (12) such that motion relative to the shell (12) causes the shell (12) to expand into contact with a heat exchange tube (40) thereby plugging the tube (40). The expander member (14) is pulled outward to cause expansion of the shell (12). For removal the shell is pulled and thereby elongated and reduced in thickness. |
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