| 摘要 |
<p>DOORS FOR PATIOS AND THE LIKE An energy efficient, secure and economical patio door features hinged and fixed door panels with a strike mullion connected to the fixed door panel through a metal stiffener and with the strike mullion forming an integral part of the door frame by being tied thereto through head and sill members. The assembly is reversible end-to-end and therefore non-handed. The number of door panels can be increased or decreased and the assembly is fully weatherstripped.</p> |
