GB257391A - Improvements in or relating to artificial stone for abrasive and other purposes - Google Patents

Improvements in or relating to artificial stone for abrasive and other purposes

Info

Publication number
GB257391A
GB257391A GB1877525A GB1877525A GB257391A GB 257391 A GB257391 A GB 257391A GB 1877525 A GB1877525 A GB 1877525A GB 1877525 A GB1877525 A GB 1877525A GB 257391 A GB257391 A GB 257391A
Authority
GB
United Kingdom
Prior art keywords
abrasive
carbon dioxide
water
portland cement
relating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1877525A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Unifrax 1 LLC
Original Assignee
Carborundum Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Carborundum Co filed Critical Carborundum Co
Priority to GB1877525A priority Critical patent/GB257391A/en
Publication of GB257391A publication Critical patent/GB257391A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24D—TOOLS FOR GRINDING, BUFFING OR SHARPENING
    • B24D3/00—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents
    • B24D3/02—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent
    • B24D3/04—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic
    • B24D3/12—Physical features of abrasive bodies, or sheets, e.g. abrasive surfaces of special nature; Abrasive bodies or sheets characterised by their constituents the constituent being used as bonding agent and being essentially inorganic water-setting, e.g. concrete

Abstract

257,391. Wade, H., (Carborundum Co.). July 23, 1925. Concrete, hardening.-An abrasive or other aggregate excluding slate is mixed with Portland cement and calcium hydrate, and the mixture is subjected to the action of carbon dioxide. The amount of lime is generally 10-30 per cent of the Portland cement The materials may be mixed dry, sufficient water being added for moulding, and the article placed in water until the initial set takes place, or a mortar may be poured into a mould and allowed to set. After the initial set, the articles are exposed to carbon dioxide which may be under pressure, for example 30 lb. per sq. in. The alternate water and gas treatment is repeated until the desired hardness is obtained.
GB1877525A 1925-07-23 1925-07-23 Improvements in or relating to artificial stone for abrasive and other purposes Expired GB257391A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1877525A GB257391A (en) 1925-07-23 1925-07-23 Improvements in or relating to artificial stone for abrasive and other purposes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1877525A GB257391A (en) 1925-07-23 1925-07-23 Improvements in or relating to artificial stone for abrasive and other purposes

Publications (1)

Publication Number Publication Date
GB257391A true GB257391A (en) 1926-09-02

Family

ID=10118191

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1877525A Expired GB257391A (en) 1925-07-23 1925-07-23 Improvements in or relating to artificial stone for abrasive and other purposes

Country Status (1)

Country Link
GB (1) GB257391A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414462A (en) * 1963-06-07 1968-12-03 Bpb Industries Ltd Gypsum articles resistant to erosion by water and a method for their production

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3414462A (en) * 1963-06-07 1968-12-03 Bpb Industries Ltd Gypsum articles resistant to erosion by water and a method for their production

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