Patent ID: 11959332
Assignee: NATIONAL GUARD PRODUCTS, INC.
Field: Civil engineering (Other fields)
Classification: CPC E  B  Y | IPC B  E

Claim 15:
16. A method, comprising:
locating at least one cutout portion of a door, wherein the at least one cutout portion of the door comprises at least one of a cavity, hole and void of the door for accommodating at least one door hardware, wherein the at least one door hardware comprises a cylindrical lockset;
determining a dimension of at least one fire-rated panel to fill the at least one cutout portion of the door, comprising determining dimensions of at least a first fire-rated panel to fill a first bore for receiving a cylindrical body and handle, and determining dimensions of at least a second fire-rated panel to fill a second bore for receiving a cylindrical lock latch bolt, wherein the first and second bores are co-planar and perpendicular to each other;
locating the first bore through faces of the door;
locating the second bore through an edge of the door;
inserting the first fire-rated panel through the first bore;
inserting the second fire-rated panel through the second bore;
determining a dimension of a filler plate based at least upon a dimension of a pocket on the edge of the door for receiving the filler plate;
locating the pocket on the edge of the door; and
installing the filler plate on the edge of the door to fit with the pocket.