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Luciano Toniolo and Giralamo Garbin received US Patent No. 2,937,701 on May 24, 1960, filed May 14, 1956.
The patent's description opens:
This invention relates to improvements in machines for manufacturing pipes by winding on a mandrel a continuous layer of fibrous material mixed with a binder, e.g., of asbestos fibres mixed with a cement slurry or other fibrous material such as cellulose, cotton, blast furnace slag fibres or synthetic fibres mixed with hydraulic binders other than cement such as lime, silicates and fluosilicates, with or without fillers such as quartz silicate and marble powder.
- Author
- Luciano Toniolo; Giralamo Garbin
- Published by
- US Patent Office
- Series
- US Patent No. 2,937,701
- Date
- May 24, 1960
- Library no.
- ACL Doc 23353 · asbestosclaims.law/library/23353
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 7 pages · 411 KB
Where it was listed
- Asbestos, October 1960, in its patents department (the year's issues)
Cite this document
Luciano Toniolo, Giralamo Garbin. “Pipe making machines (US Patent 2,937,701, 1960).” May 24, 1960. US Patent No. 2,937,701. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23353. https://asbestosclaims.law/library/23353.
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