Air filter and module to be used for building up such a filter

Details Air filter and module to be used for building up such a filter Air filter and module to be used for building up such a filter

1987-12-21

1989-08-08

Nozick, Bernard

Gas separation

Two or more separators

With framework for edge to edge relation

55484, 55509, 55521, B01D 4600

Patent

active

048549533

ABSTRACT:
An air filter of which the dimensions may be easily adapted to the shape and dimensions of air ducts, especially air ducts of air condition equipments, comprises a number of frame shaped modules (1) made of plastics material. To each module a filter bag (2) is welded. The side faces (1a, b, c, d) of each module are provided with a system of ribs (5) or embossments (6). For joining modules substantially airtightly together a system of ribs or embossments on a side face of a module is connected to a complementary shaped system of ribs or embossments on the side face of another module by sliding movement or snap action. Preference is given to an embodiment whereby inclined side boundaries of interengaging complementary systems form a dovetail connection.

REFERENCES:
patent: 3247652 (1966-04-01), Annas et al.
patent: 4056375 (1977-11-01), Ringel
patent: 4300927 (1981-11-01), Day

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