134395 ⎘
Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings ; Features of rigidly-mounted outer frames relating to the mounting of wing frames; Wing frames not characterised by the manner of movement; Frames with special provision for insulation with prefabricated insulating elements held in position by expansion of the extremities of the insulating elements
A method of making a frame member, a frame member, a frame structure and use of a frame member
#2Method for producing an insulating web
#3Frame for a window and a method for making a frame
#4STRUT FOR CONNECTING FRAMES