US PATENT SUBCLASS 96 / 90
.~.~.~ Spring or expansible bellows


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



96 /   HD   GAS SEPARATION: APPARATUS

15  DF  ELECTRIC FIELD SEPARATION APPARATUS (E.G., ELECTRICAL PRECIPITATOR, ELECTROSTATIC TYPE, ETC.) {17}
83  DF  .~ Electrode retaining or supporting means {6}
89  DF  .~.~ Tensioning means {2}
90.~.~.~ Spring or expansible bellows


DEFINITION

Classification: 96/90

Spring or expansible bellows:

(under subclass 89) Apparatus in which the tension is maintained by the use of spring means or bellows which may be expanded by stretching, with the spring means or bellows connected to the electrode in such a way as to maintain tension therein.