Gas separation – With means securing or retaining separating media – Unit or cohesive sheet-like media in flow line or frame
Patent
1998-10-08
2000-05-09
Simmons, David A.
Gas separation
With means securing or retaining separating media
Unit or cohesive sheet-like media in flow line or frame
55481, 55500, 55506, 55508, B01D 46012
Patent
active
060598522
ABSTRACT:
A furnace air filter includes a structure which has two identical rectangularly shaped grid members. The grid members are joined together at one side by a hinge, which hinge is made of the same plastic material as the grid members. The grid members and hinge are integrally formed preferably by an injection molding process. A filter media is placed between the grid members so as to form a filter unit adapted to be positioned in the filter track of a furnace air duct. The plastic grid structure is reusable, requiring the replacement of only the filter media.
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patent: 4732675 (1988-03-01), Badolato et al
patent: 5464461 (1995-11-01), Whitson et al.
patent: 5725623 (1998-03-01), Bowerman et al.
patent: 5766285 (1998-06-01), Killman
patent: 5788729 (1998-08-01), Jurgensmeyer
patent: 5792230 (1998-08-01), Moore et al
Litman Richard C.
Pham Minh-Chau T.
Simmons David A.
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