Duct access door for circular openings

Details Duct access door for circular openings Duct access door for circular openings

1997-07-21

1999-05-11

Redman, Jerry

Movable or removable closures

Removable closure

49466, E06B3/32

Patent

active

059015020

ABSTRACT:
A duct access door to close and seal a circular opening in an HVAC duct is provided. The access door includes an outer cover which completely covers the circular hole and has a gasket for sealing against the duct. An inner panel fits within the circular hole and threaded fastener bias the outer cover towards the inner panel to seal the circular hole in the duct. Insulation may be provided between the outer cover and the inner panel of the access door if desired.

REFERENCES:
patent: 4970836 (1990-11-01), Brown
patent: 5165189 (1992-11-01), Besal
patent: 5669190 (1997-09-01), Szyjkowski

Affiliated with

Also associated with

Rating

Duct access door for circular openings does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Duct access door for circular openings, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Duct access door for circular openings will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-238822