Apparatus for treating workpieces

Coating apparatus – Projection or spray type – Inside of hollow work

Reexamination Certificate

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Details

C118S055000

Reexamination Certificate

active

07074275

ABSTRACT:
The invention relates to an apparatus for coating hollow bodies, e.g. plastic drinks bottles. It is an object of the invention to provide an apparatus for treating workpieces which operates reliably and with low maintenance, can be flexibly adapted to the user's requirements or to the requirements of the desired process sequence, and which allows efficient evacuation. The apparatus according to the invention comprises at least one treatment device (101) for receiving at least one workpiece, a rotor on which the treatment device is arranged, a fluid rotary leadthrough for feeding at least one fluid onto the rotor and/or for discharging at least one fluid from the rotor, the fluid rotary leadthrough having a journal and a sleeve, which at least in sections are sealed off from one another, and the journal being arranged rotatably in the sleeve. The proposed radial arrangement is particularly unsusceptible to faults and entails little maintenance.

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patent: 4912296 (1990-03-01), Schlienger
patent: 5451740 (1995-09-01), Hanus et al.
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patent: 5763004 (1998-06-01), Hammen
patent: 6215090 (2001-04-01), Severance et al.
patent: 2003/0116964 (2003-06-01), Springmann et al.
patent: GM 75 27 890 (1976-01-01), None
patent: 43 07 435 (1993-11-01), None
patent: 42 40 991 (1994-06-01), None
patent: WO 00/58631 (2000-10-01), None

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