Floor covering having a strong noise-reducing properties

Details Floor covering having a strong noise-reducing properties Floor covering having a strong noise-reducing properties

2007-10-09

2007-10-09

Juska, Cheryl A. (Department: 1771)

Stock material or miscellaneous articles

Structurally defined web or sheet

Including aperture

C428S131000, C428S457000, C428S537100, C181S292000, C181S290000, C181S284000

Reexamination Certificate

active

10363981

ABSTRACT:
A floor covering characterized as having a strong noise-reducing properties for the interior trim of means of transport. The floor covering has, on the passenger side, a textile or non-textile surface, acoustically coupled through at least one microperforated sheet to a fibrous non-woven and/or foamed plastic. A microperforated sheet having a hole diameter from 0.2 to 0.5 mm and an interhole distance from 3 to 7 mm.

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Definitionen Von “Folie” Im Deutschen Normenwerk, Nov. 14, 2003.

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