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Noel Arthur Hill received US Patent No. 2,109,532 on March 1, 1938, filed June 19, 1937. It was assigned to Hardie & Co Pty Ltd J.
The patent's description opens (from the scanned text):
This invention has reference to improvements in the manufacture of asbestos-cement sheets having a porous character and of comparatively light weight. 5 It is well known to produce cement articles and structures of a porous character to afford economy in material and a reduction in the weight thereof, and this is usually achieved by mixing with the cement a powdered metal such as aluminium or zinc which, when suflicient waterEiTd ioss1|5ly hme, which acts as a plasticizer, has been added to the cement, serves as a means to generate a ...
- Author
- Noel Arthur Hill
- Published by
- US Patent Office
- Series
- US Patent No. 2,109,532
- Date
- March 1, 1938
- Library no.
- ACL Doc 22947 · asbestosclaims.law/library/22947
- Rights
- US government work, in the public domain.
Read or download
Read online Download the PDF PDF · 2 pages · 156 KB
Where it was listed
- Asbestos, June 1938, in its patents department (the year's issues)
Cite this document
Noel Arthur Hill. “Manufacture of Asbestos Cement Sheets (US Patent 2,109,532, 1938).” March 1, 1938. US Patent No. 2,109,532. US Patent Office. AsbestosClaims.Law Library, ACL Doc 22947. https://asbestosclaims.law/library/22947.
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