Chimney cap apparatus and method
AssigneeEuropean Copper, LLC
InventorJohn G. Arnold, Jr.
Life of this patent
Estimating the term…
Abstract
A cap for a flue opening of a chimney in order to enhance draw of smoke and in order to protect from entry of animals, debris, and the elements. The device includes a tubular housing having sidewalls fabricated from flat sheet metal and a top attached to the sidewalls from fasteners. A plurality of louver openings are provided in the sidewalls in order to draw air. A plurality of exit vent openings in the sidewalls above the louver openings are at least equal to a cross-sectional area of the flue opening. An inner frame and mounting assembly includes a mechanism to both anchor the device to the chimney flue and to level the device.
Claims17
A cap device for a flue opening of a chimney to enhance draw of smoke and to protect from entry of animals, debris, and the elements, which device comprises:
- a tubular housing fabricated from flat sheet metal;
- a top attached to said tubular housing;
- a plurality of louver openings in a lower portion of said tubular housing to draw air;
- a plurality of exit openings in an upper portion of said tubular housing above said louver openings, said tubular housing having an imperforated portion between said lower and said upper portions, wherein said exit openings are below said top;
- an inner frame and mounting assembly attached to the lower edge of said tubular housing including anchoring and leveling means to anchor said inner frame and mounting assembly to said chimney and to level said device with respect to said chimney;
- and
- a liner within and attached to said tubular housing wherein said liner extends from said louver openings past said imperforated section and up to said exit openings to form at least one space between said liner and said tubular housing so that ambient air drawn through said louver openings will pass through said at least one space and out said exit openings in said upper portion of said tubular housing.
A process to fabricate a cap for a chimney flue opening, which process comprises:
- stamping sidewalls from flat sheet metal wherein said sidewalls include a plurality of louver openings in a lower portion to draw air, a plurality of exit openings in an upper portion spaced from and above said louver openings and an imperforate section therebetween;
- attaching an inner frame and mounting assembly within said sidewalls;
- attaching a plurality of continuous inner brace rings to said sidewalls;
- forming a top lid from flat sheet metal and attaching said top lid to said sidewalls above said exit openings;
- attaching an inner liner within said sidewalls wherein said liner extends from said louver openings past said imperforated section and up to said exit openings to form a space or spaces between said liner and the sidewalls so that ambient air drawn through said louver openings will pass through said space or spaces and out said exit openings;
- and
- inserting a plurality of clips in receptacles in said inner frame and mounting assembly and fastening said clips through a slot in each said clip to both anchor and level said device.
Dependencies are inferred from the claim text.