Sound-absorbing material and a cable reel including the same

Details Sound-absorbing material and a cable reel including the same Sound-absorbing material and a cable reel including the same

1998-08-05

2000-11-28

Thibodeau, Paul

Winding, tensioning, or guiding

Reeling device

Multiple windings

439 15, B65H 7538, H01R 3900

Patent

active

061523941

ABSTRACT:
A sound-absorbing material and a cable reel including the same are produced inexpensively and attenuates sliding noise and vibration noise. A sound-absorbing material 20 comprises a foam rubber 20a and a thin synthetic paper 20b having a smooth surface and laminated through an adhesive 20c on a top surface of the foam rubber 20a. The synthetic paper 20b can be easily attached to the foam rubber 20a by means of the adhesive 20c and is inexpensive in comparison with a conventional polytetrafluoroethylene resin sheet. The sound-absorbing material 20 is attached to a lower bearing surface 12a of a cable containing chamber 12 in a cable reel. The synthetic paper 20b of the sound-absorbing material 20 can attenuate a sliding noise which is generated when a flat cable 15 slides on the lower bearing surface 12a. The foam rubber 20a of the sound-absorbing material 20 can attenuate vibration noise which is generated by collision between a lateral lower edge of the flat cable 15 and the lower surface 12a when the flat cable 15 vibrates axially in the cable containing chamber 12 during driving. The synthetic paper does not interfere with a sound-absorbing function of the foam 20a since the synthetic paper is a low hardness.

REFERENCES:
patent: 3276944 (1966-10-01), Levy
patent: 4567097 (1986-01-01), Yazaki et al.
patent: 5584950 (1996-12-01), Gaffigan
patent: 6007890 (1999-12-01), DeBlander

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