B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/184
B23P 15/00 (2006.01) E06B 1/26 (2006.01) E06B 3/86 (2006.01) E06B 7/23 (2006.01)
Patent
CA 1080453
CANADIAN PATENT APPLICATION OF GOSTA THORSTEN INGVAR TORNEREFELT FOR PROCESS OF MANUFACTURING A WALL HAVING AN OPENING THEREIN, AND A DOOR OR COVER THEREFOR Abstract of the Disclosure The invention relates to a process of manufacturing, in one and the same operation, a wall or a wall section having an opening therein, and a door or cover for the opening, the door or cover being larger than the free opening in the wall or wall section. The two components are formed in a common tool, the components being placed in staggered parallel planes and interconnected by means of a connecting flange which is directed substantially transversely of these planes and extends between the surrounding edge portion of the wall opening and the surrounding edge portion of the door or cover. After forming, the two components are severed by cutting off of the connecting flange, the overlap of the wall or wall section and the door or cover being determined by the thickness of the connecting flange.
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