Synthetic chloroprene rubber adhesive composition and process for producing speaker by using the same
US7001480B1 · kind B1 · utility
0Cited by
8References
2Claims
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Key dates
| Filing date | Jan 8, 1999 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Jan 8, 2019 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04R2400/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A synthetic chloroprene rubber adhesive composition which contains carboxylated synthetic chloroprene rubber for the main ingredient thereof and further contains chlorinated polypropylene and/or a chlorinated polypropylene derivatives. The adhesive composition can strongly bond various components to polypropylene used for a speaker frame, etc. unlike conventional synthetic chloroprene rubber adhesives which have insufficient adhesion strength in this application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.