Seal strips for fume hoods

Details Seal strips for fume hoods Seal strips for fume hoods

1974-11-18

1976-03-09

O'Dea, William F.

Flexible or portable closure, partition, or panel

Fabric fastening means

To elongated element

160 43, F23J 1100

Patent

active

039424219

ABSTRACT:
A fume hood is provided with seal strips to prevent or inhibit leakage of air through the sash clearance opening at the top of the hood. A front seal is mounted on the rear wall of the auxiliary air chamber and essentially engages the front surface of the sash when the sash is partially or completely raised, and a rear seal is mounted on the front wall of the working chamber and essentially engages the rear surface of the sash when the sash is raised. If desired, either or both of the seals can have a width sufficient to extend all the way across the sash clearance opening when the sash is lowered to seal the sash clearance opening.

REFERENCES:
patent: 1823237 (1931-09-01), Caesar
patent: 2810337 (1957-10-01), Samuelson et al.

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