# US 2023/0068080 A1 · Shed > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2023/0068080 A1 - Document ID: US20230068080A1 - Status: Published application - Kind: A1 - Application number: 17/895,314 - Filed: 2022-08-25 - Published: 2023-03-02 - Earliest claimed: 2021-08-25 - Assignees: Wazza Investments Pty Ltd - Applicants: Wazza Investments Pty Ltd - Inventors: Warren LEFEBVRE - Web page: https://patentgrep.com/patent/US20230068080A1 ## CPC - E04H 5/08: Buildings or groups of buildings for agricultural purposes (silos E04H7/22) - E04H 7/30: mainly of metal - Y02A 40/51: specially adapted for storing agricultural or horticultural products - E04H: BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL (foundations E02D) - Y02A: TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ## Abstract A storage shed for storing items such as grain, equipment, implements and/or machinery, the storage shed including: a floor; one or more spaced apart walls mounted on the floor; a roof; wherein the walls and roof and floor provide a storage volume and are sealed together to inhibit ingress of vermin and to maintain a selected ambient pressure inside the storage volume, and a pressure relief valve operatively connected to the floor, roof or wall to relieve internal pressure in the storage shed. ## Claims ### Claim 1 A storage shed for storing items such as grain, equipment, implements and/or machinery, the storage shed including: a floor; one or more spaced apart walls mounted on the floor; a roof; wherein the walls and roof and floor provide a storage volume and are sealed together to inhibit ingress of vermin and to maintain a selected ambient pressure inside the storage volume, and a pressure relief valve operatively connected to the floor, roof or wall to relieve internal pressure in the storage volume. ### Claim 2 (depends on 1) The storage shed in accordance with claim 1 wherein the pressure relief valve includes: a housing including: a sump for storing a working liquid; a gas inlet chamber; a gas outlet chamber; and a gas inlet in fluid communication with the housing; a gas outlet in fluid communication with the housing; a baffle in the housing, wherein the gas inlet chamber and the gas outlet chamber are separated by a baffle which extends into the sump. ### Claim 3 (depends on 1) The storage shed in accordance with claim 1 wherein the floor includes: a concrete slab; and a bund mounted on the concrete slab, the bund forming a peripheral wall to provide at least a substantial portion of a base periphery of the storage shed. ### Claim 4 (depends on 1) The storage shed in accordance with claim 1 further including a door catch which includes: a base plate; and a catch plate mounted on top of the base plate for catching a door latch against one face. ### Claim 5 (depends on 4) The door catch in accordance with claim 4 wherein the base plate is configured to be set into the concrete floor of the silo or shed. ### Claim 6 (depends on 1) The storage shed in accordance with claim 1 further including a door which includes: a door panel; one or more hinges disposed on the door panel for swinging the door between a closed and an open position; a latch assembly which includes: a rotatable locking post; a handle for rotating the rotatable locking post between a locked position and an unlocked position; and a latch plate mounted to the base of the rotatable locking post and disposed at a base of the door for latching onto a catch plate when the rotatable locking post is in the locked position, and for clearing the catch plate when the rotatable locking post is in the unlocked position. ### Claim 7 (depends on 3) The storage shed in accordance with claim 3 wherein the bund includes a substantially vertical wall on an outside face so that a wall sheet can fasten thereagainst. ### Claim 8 (depends on 7) The storage shed in accordance with claim 7 wherein the vertical wall is scalloped to receive a sheet having a cooperating scalloped or sinusoidal profile thereagainst. ### Claim 9 (depends on 7) The storage shed in accordance with claim 7 wherein the bund includes an angled wall on an inside face to facilitate drainage or sliding of bulk grain or other material onto the floor for removal. ### Claim 10 (depends on 1) The storage shed in accordance with claim 1 further including a door mounted fumigation inlet to provide pressurized gas into the shed. ### Claim 11 (depends on 2) The storage shed in accordance with claim 2 wherein the gas inlet chamber and gas outlet chamber are disposed above the sump, adjacent the baffle. ### Claim 12 (depends on 11) The storage shed in accordance with claim 11 wherein the working liquid for storing in the sump is oil. ### Claim 13 (depends on 12) The storage shed in accordance with claim 12 wherein the housing includes an indicator for indicating fluid level in the sump. ### Claim 14 (depends on 13) The storage shed in accordance with claim 13 wherein the indicator includes one or more windows in the housing. ### Claim 15 (depends on 14) The storage shed in accordance with claim 14 wherein the one ore more windows extends across both sides of the baffle to indicate the level of liquid on both inlet and outlet portions of the sump. ### Claim 16 (depends on 15) The storage shed in accordance with claim 15 wherein one window is on one side of the baffle, while another window is on the other side of the baffle, so as to indicate the level on both inlet and outlet sides of the baffle. ### Claim 17 (depends on 2) The storage shed in accordance with claim 2 wherein the gas inlet is disposed in an upper portion of the housing, so as to introduce gas to the gas inlet chamber. ### Claim 18 (depends on 1) The storage shed in accordance with claim 1 further including a roof flashing element which is configured to facilitate a roof seal, the roof flashing element in the form of a Z-section which includes an angle on either side of a central spine section, wherein portions of the Z-section are configured to receive one or more sealant beads. ### Claim 19 (depends on 18) The storage shed in accordance with claim 18 wherein the roof flashing element further includes a flange extending from one angle of the Z-section to provide a channel adjacent the angle section. ### Claim 20 (depends on 19) The storage shed in accordance with claim 19 wherein wherein the channel is on one side of the spine and the angle is on the other side of the angle section.