| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce cost, while enhancing heat insulating performance of a frame body of double pane window used in a cold district. <P>SOLUTION: This frame material of the double pane window is constituted by using a foam ETFE (fluororesin). Thus, the heat insulating performance of the frame material is enhanced, and the cost can be reduced. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
