Hard heat preservation rolling door

• Main Authors: SHI DONGXU, LIN YAO, SHI GUOWANG
• Format: Patent
• Language: Chinese; English
• Published: 07.01.2022
• Subjects: DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; FIRE-FIGHTING; FIXED CONSTRUCTIONS; FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES; HUMAN NECESSITIES; LADDERS; LIFE-SAVING

The utility model discloses a hard heat preservation rolling door which comprises a door head, a door frame and a door body, the door frame is located at the bottom end of the door body, the door body is located on one side of the door frame, the door head comprises a rolling bin, the rolling bin is...