Encyclopedia

Curtain


Joint - a point of connection (connection node) between the sash and the frame rails. Main joint - a connection node between vertical and upper horizontal rails of the sash and the frame. Lower joint - a connection node between lower horizontal rails of the sash and the frame. Mullion joint - a connection node between the sash rails and the frame mullion. Non-mullion (stulpovoy) joint - a connection node between the sash rails themselves

Source: "GOST 23166-99. Window blocks. General technical conditions"

(approved by Decree of the Russian Ministry of Regional Development (Gosstroy Russia) dated 06.05.2000 No. 41)

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