Sound insulating door

Details Sound insulating door Sound insulating door

E - Fixed Constructions

06

B

E06B 3/12 (2006.01) E06B 5/20 (2006.01) E04B 1/84 (2006.01)

Patent

CA 2075757

ABSTRACT OF THE DISCLOSURE The invention relates to a sound insulating door designed, in particular, to close test chambers for noisy apparatus such as jet engines. According to the invention, the door comprises the following internal structure: - a rigid inner metal plate (12), - a sound insulating material (13), - an elastically mounted metal plate (14), - a sound insulating material (15), - a rigid outer metal plate (16). The use of an elastically mounted central metal plate (14) makes it possible to eliminate any phenomena of interference liable to exist between the insulating materials (13 and 15). The invention is designed for the constructors and users of sound insulating materials. Figure 2.

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