Disposable filter unit

Details Disposable filter unit Disposable filter unit

1990-06-27

1992-03-17

Dawson, Robert A.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Transparent

210238, 210447, 422101, 55503, B01D 2900

Patent

active

050965751

ABSTRACT:
The disposable filter unit according to the present invention comprises a filter fixing member 3 with a socket-type recess 7 into which the front side of a feed member 2 interspersed with a feed channel 4 is inserted sealingly. Between these two members, a filter element 12 is inserted, which filter element is supported by the ground 15 of the socket-type recess 7 inside the filter fixing member 3. The edges 13 and 16 of the feed member 2 and the filter fixing member 3 are knife-type cutting edges such that, when these two members are put together, the filter element 12 is cut to size from a sheet-type filter material. Furthermore, the invention relates to a method for manufacturing disposable filter units. This method is characterized by that several feed members and several filter fixing members are put together simultaneously, whereat the filter elements are simultaneously cut to size from a sheet-type filter material, for example from a leaf-type or a ribbon-type filter material.

REFERENCES:
patent: 3658183 (1972-04-01), Best et al.
patent: 3823824 (1974-07-01), Close
patent: 3834543 (1974-09-01), Dreues
patent: 3932153 (1976-01-01), Byrns
patent: 4287065 (1981-09-01), Raines
patent: 4614585 (1986-09-01), Mehra et al.
patent: 4902415 (1990-02-01), Lemonnier

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