Match arrangement for opening in wall comprises hatch positionable in closed position in frame fitted on wall so that opening is covered by it

摘要

The hatch arrangement for an opening in a wall comprises a hatch (10) positionable in a closed position in a frame fitted on the wall so that the opening is covered by it. The hatch comprises a metal plate (30) and an insulation. The insulation comprises at least one first layer with heat insulating material and is fitted on the metal plate. The hatch arrangement comprises a casing (30,36) which preferably totally encloses the insulation. The casing is of metallic material.