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Herbert William Kingsbury received US Patent No. 3,916,049 on October 28, 1975, filed August 27, 1974. It was assigned to British Uralite Ltd.
The patent's abstract:
A hollow component, and specifically a sump, timing gear cover or valve gear cover, of an internal combustion engine, said component having applied thereto over at least part of the surface thereof a sound deadening layer comprising one or more self-supporting sheets of asbestos fibre-filled bitumen composition, the total thickness of the sound deadening layer being at least 1.5 mm and wherein in each sheet the weight ratio of asbestos fibres to bitumen is in the range of from 40:60 to 60:40, and in each sheet the asbestos fibres are in the form of a plurality of discrete laminae lying parallel to the plane of the sheet.
- Author
- Herbert William Kingsbury
- Published by
- US Patent and Trademark Office
- Series
- US Patent No. 3,916,049
- Date
- October 28, 1975
- Library no.
- ACL Doc 23692 · asbestosclaims.law/library/23692
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 4 pages · 353 KB
Where it was listed
- Asbestos, December 1975, in its patents department (the year's issues)
Cite this document
Herbert William Kingsbury. “Sound deadening and materials therefor (US Patent 3,916,049, 1975).” October 28, 1975. US Patent No. 3,916,049. US Patent and Trademark Office. AsbestosClaims.Law Library, ACL Doc 23692. https://asbestosclaims.law/library/23692.
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