COMPOSITE SASH FRAME, MAIN FRAME, AND SASH REFURBISHMENT METHOD

• Main Author: YAMADA HIROMITSU
• Format: Patent
• Language: English; Japanese
• Published: 26.01.2023
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; LADDERS

To provide a composite sash frame, a main frame, and a sash refurbishment method, all of which are configured to prevent an inner opening from becoming smaller even upon sash replacement, and also prevent damage to the exterior walls of a building even upon sash replacement.SOLUTION: A composite sas...