Method for manufacturing inspection door utilized for providing access to utility conduits of building for visualizing meters, involves forming faces of frame units and crosspieces by set of faces provided opposite to panel

摘要

The method involves providing a frame that is formed by two longitudinal frame units (21) and two crosspieces (22). Each longitudinal frame unit and each crosspiece have elongated width that is equal to thickness of the frame. A set of faces of the frame units and the crosspieces are formed by a set of faces (41) that is provided opposite to a panel (4) and corresponding to inner and outer peripheral sides of the frame. An independent claim is also included for an inspection door.