(57) A door frame for bricking in, comprising two side members (1) made from sheet metal
shaped to U-like form, the open sides of which members being directed outwards and
a sill member (2) consisting of a flat strip of metal with a number of oblong apertures
(3) in one or both ends, corresponding to different usual breadthes of the door frame,
whereby the lower ends of the side members (1) can be connected to the sill member
(2) by means of U-shaped clips (4), the legs of which fit within the legs of the side
members (1) and the bottom of which is provided with lips (5), which can be passed
through an oblong aperture (3) in the sill member (2), after which the clip may be
rotated over 90°.
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