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Dante Colliva received US Patent No. 2,977,276 on March 28, 1961, filed August 10, 1955.
The patent's description opens:
The present invention relates to a machine for manufacturing tubes of asbestos cement, said machine performing a continuous process and being fitted with a device for feeding the collecting cylinders and for unloading them once the formation of the tube is completed.
- Author
- Dante Colliva
- Published by
- US Patent Office
- Series
- US Patent No. 2,977,276
- Date
- March 28, 1961
- Library no.
- ACL Doc 23015 · asbestosclaims.law/library/23015
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 13 pages · 1.1 MB
Where it was listed
- Asbestos, July 1961, in its patents department (the year's issues)
Cite this document
Dante Colliva. “Method and machine for manufacturing asbestos cement tubes (US Patent 2,977,276, 1961).” March 28, 1961. US Patent No. 2,977,276. US Patent Office. AsbestosClaims.Law Library, ACL Doc 23015. https://asbestosclaims.law/library/23015.
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