| 摘要 |
A flexible ventilation duct production method, wherein an inner layer using at least one or more of aluminium PET, polyester, metalised OPP, metalised polyester and/or PVC; an insulation layer comprised of rubber, polyethylene liners, polyester fibres or similar insulation materials; a flexibility providing steel wire taking its shape from being spirally wound around a cylinder; and an outer layer using at least one or more of aluminium PET, polyester, metalised OPP, metalised polyester and/or PVC are laminated by being wound to a constantly rotating cylindrical shaft by means of being given in a certain order to form an integrated, holistic structure between all the factors, which is constantly rotated around its own axis in strip plates and is constantly fed to the mentioned cylindrical shaft, by meanwhile providing complete lamination with the applied chemicals. |
