Car door structure with noise insulating sheet

There is provided a car door structure which comprises an interior door trim 52 at an interior side of a door inner panel 11, and a noise isolation sheet 20 which is installed between the door inner panel 11 and the door trim 52, covering the door inner panel 11 partially or wholly. The edge portion...

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Bibliographic Details
Main Authors MASAMI ISOBE, SHINICHIRO EMORI
Format Patent
LanguageEnglish
Published 13.04.2005
Edition7
Subjects
ACOUSTICS
ACOUSTICS NOT OTHERWISE PROVIDED FOR
METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING,NOISE OR OTHER ACOUSTIC WAVES IN GENERAL
MUSICAL INSTRUMENTS
PERFORMING OPERATIONS
PHYSICS
REMOVABLE EXTERNAL PROTECTIVE COVERINGS SPECIALLY ADAPTED FORVEHICLES
SOUND-PRODUCING DEVICES
TRANSPORTING
VEHICLES IN GENERAL
VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR
WINDOWS, WINDSCREENS, NON-FIXED ROOFS, DOORS, OR SIMILARDEVICES FOR VEHICLES
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Summary:There is provided a car door structure which comprises an interior door trim 52 at an interior side of a door inner panel 11, and a noise isolation sheet 20 which is installed between the door inner panel 11 and the door trim 52, covering the door inner panel 11 partially or wholly. The edge portion of the noise isolation sheet 20 is nipped by a nip portion 40. The nip portion 40 is formed with portions of the door inner panel 11 and the door trim 52 by making the portions come closer. The nip portion may comprise one or two protrusions 11a protruding from the inner panel, and in the latter embodiment a non-drying sealant 60 for adhering to the noise insulation sheet may be adhered between the protrusions. The noise insulation sheet may be sponge sheet of low density having both noise isolating and waterproofing effects.
Bibliography:Application Number: GB20040021902