Vacuum pump comprising an outlet

Pumps – Miscellaneous

Reexamination Certificate

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Details

C417S454000, C417S423400, C417S440000, C138S118000

Reexamination Certificate

active

06948921

ABSTRACT:
A vacuum pump (1, 30) has an inlet (5) and an outlet (6). Plug-in screw fittings (9) are connected with the inlet and the outlet. The plug-in screw fittings include a bore with an internal bevel (22) that receives a flexible connecting line (23), a chuck collet (19), and an O-ring (21) frictionally in a vacuum-tight relationship. In this manner, a more simple and versatile connection is provided between the vacuum pump and the connecting lines.

REFERENCES:
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patent: 3469599 (1969-09-01), Kish
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patent: 2416808 (1975-10-01), None
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patent: 3710782 (1988-10-01), None
patent: 9316834 (1994-01-01), None
patent: 4444582 (1996-06-01), None
patent: 29613207 (1996-10-01), None
patent: 19755429 (1999-06-01), None
patent: 10237166 (2003-03-01), None
patent: 56-132483 (1981-10-01), None

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