公开(公告)号：WO2020079324A1

公开(公告)日：2020-04-23

申请号：PCT/FI2019/050719

申请日：2019-10-09

Applicant: FRAMERY OY

Inventor： HÄLLFORS, Miika ,  PUOLIMATKA, Ville-Veikko ,  SAARELMA, Maiju ,  MATTSSON, Markus

IPC: E04B1/82 ,  E04H1/12 ,  E04H1/14

Abstract: A stiffening arrangement, comprising a body element (10); a doorframe (20) configured to be attached to the body element (10); wherein the arrangement further comprises a stiffening element (40) configured to be attached between the body element (10) and the doorframe (20) and configured to cause a tension to the body element (10). Also a soundproof space and a stiffening method.