| 摘要 |
A thermal break aluminium window or door comprising a frame and a casement having a first interior profile and a second exterior profile connected to each other by means of a third profile made of thermally insulating material; said third profile has, in cross section, a first side having two contiguous teeth engaged in respective contiguous seats present on said first profile and a second side having a single tooth engaged in a respective single seat of said second profile, said single tooth being positioned in such a way as to leave an ample free portion of said second side for the engagement thereof with a weather stripping for said casement, there being further provided a compensation means on said third profile to compensate for the different thermal expansion of said first and second profiles relative to the thermal expansion of said third profile. |
