SYSTEM OF MAIN PROFILES FOR ASSEMBLY OF WINDOW AND DOOR UNITS Russian patent published in 2025 - IPC E06B3/22 

FIELD: construction.

SUBSTANCE: invention relates to the design of PVC (polyvinyl chloride) profiles used mainly in window and balcony door units. System of main profiles for assembling window or door units has outer, middle and inner contours of sealing and includes a profile made from polyvinyl chloride-based material, which forms a window frame, a profile which forms a flap, and a profile forming a T-shaped cross-section mullion, wherein the contour of each said profile is formed by the intersection of mutually parallel front and mutually parallel non-front walls, and the non-face walls of the profile forming the window frame and the profile forming the mullion have shaped elements in the form of legs, and the inner space of each profile is divided by partitions with the formation of a central chamber and internal chambers, wherein the contour of each profile has an overlap, in which there is a groove for the installation of a sealing gasket, wherein in the overlapping of the frame profile and in the overlapping of the profile of the impost there is a sealing gasket, which forms an outer contour of the seal, and in the groove of the flap profile, a gasket is installed, which forms the middle sealing contour, in addition, to press the middle sealing contour, the system comprises a clamping profile, wherein the groove of the flap profile is located at an acute angle to the plane of the non-face wall of the flap profile at a distance that provides contact of the clamping profile with the seal of the middle contour inserted into said groove, wherein the clamping profile has two intersecting walls, left and right, located at an angle to each other, wherein the walls of the profile are connected to each other by a web, and the base of said profile is made in the form of two mutually parallel walls, mating in shape to the legs on the non-face walls of the frame profile and the mullion profile, and on the inner sides of the walls of the clamping profile there are hooks for fixation, wherein the clamping profile is installed on the legs on the non-face walls of the profile forming the window frame, and is fixed by means of hooks on legs of said profile or clamping profile is installed on legs on non-face walls of profile forming mullion of T-shaped cross section, and is fixed by means of hooks on legs of said profile.

EFFECT: closed nature of the middle sealing contour is achieved along the entire perimeter with increased tightness.

1 cl, 6 dwg