Adhesive insulation system

Details Adhesive insulation system Adhesive insulation system

1987-07-17

1989-05-02

Fuller, B. R.

Acoustics

Sound-modifying means

Sound absorbing panels

181286, 181294, F04B 182

Patent

active

048259748

ABSTRACT:
The invention relates to an adhesive insulating system (3) that is non-destructively removable, e.g. for repair purposes, for sound insulation of partition walls (1), particularly in motor vehicles. Between the foundation and the overlying layers of the insulating system (3) a layer (2) of a highly under-cross-linked polyurethane material or a special bitumen mixture is applied that has a strong adhesive effect and thus enables a force-locked connection to be made between the foundation (1) and the insulating system (3). To ensure that the desired flexibility is obtained together with unchanged acoustic effectiveness even when a carpet (8) is laid on the insulating system (3) or its heavy layer (6), according to the invention a decoupler (7) of soft elastic, predominantly open-pored material is arranged between the carpet (8) and the heavy layer (6). Surprisingly, along with the desired flexibility, the acoustic effect is further improved.

REFERENCES:
patent: 2819072 (1958-01-01), Detrie et al.
patent: 3058704 (1962-10-01), Bergstedt
patent: 3919444 (1975-11-01), Shayman
patent: 3920872 (1975-11-01), Ollinger
patent: 4463049 (1984-07-01), Koacke
patent: 4487794 (1984-12-01), Brown et al.
patent: 4574915 (1986-03-01), Gahleu et al.

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