Noise-prevention grommet and process for manufacturing the same

Details Noise-prevention grommet and process for manufacturing the same Noise-prevention grommet and process for manufacturing the same

1997-07-31

1999-11-09

Kincaid, Kristine

Electricity: conductors and insulators

Insulators

Through wall or plate

174167, 248 56, 439567, H01B 1726

Patent

active

059818778

ABSTRACT:
A grommet used in an automobile reduces noise leakage from the engine compartment to the passenger compartment. It is made of rubber or an elastomer, and it includes a small tube portion, through which a wiring harness is passed, a frustoconical tube portion flaring from an edge of the small tube portion and a flared portion, on the outer surface of which is formed a recess for fitting into a body panel. An internal tube portion through which the wiring harness is passed extends axially from the small tube portion in the frustoconical tube portion, and a closing portion is connected to the flared portion and to the edge of the internal tube portion distal to the edge of the small tube portion.

REFERENCES:
patent: 4692562 (1987-09-01), Nattel
patent: 4738636 (1988-04-01), Bolante
patent: 5270487 (1993-12-01), Sawamura
patent: 5337447 (1994-08-01), Tanaka et al.
patent: 5448017 (1995-09-01), Nakajima et al.
patent: 5526549 (1996-06-01), Mori et al.
patent: 5537714 (1996-07-01), Lynch, Jr. et al.

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