Invention Grant
- Patent Title: Passive ductwork intumescent fire damper
-
Application No.: US15636954Application Date: 2017-06-29
-
Publication No.: US10363443B2Publication Date: 2019-07-30
- Inventor: Jack F. King, Jr.
- Applicant: Jack F. King, Jr.
- Applicant Address: US RI North Kingstown
- Assignee: Superposed Associates LLC
- Current Assignee: Superposed Associates LLC
- Current Assignee Address: US RI North Kingstown
- Agency: Breiner & Breiner, L.L.C.
- Main IPC: A62C2/06
- IPC: A62C2/06 ; A62C3/00 ; F24F11/35 ; E04B1/94 ; F16L5/04 ; F24F13/08 ; F24F13/02
Abstract:
A passive ductwork intumescent fire damper is disclosed having a sheet metal box; an intumescent; a sheet metal comb; a plastic liner; a sheet metal comb catch; and a sheet metal escutcheon. The fire damper is particularly useful in a structural wall ducted horizontally such as a side wall range hood installation.
Public/Granted literature
- US20180001122A1 PASSIVE DUCTWORK INTUMESCENT FIRE DAMPER Public/Granted day:2018-01-04
Information query
