GB191224035A - Improved Manufacture of Building Cement. - Google Patents

Improved Manufacture of Building Cement.

Info

Publication number
GB191224035A
GB191224035A GB191224035DA GB191224035A GB 191224035 A GB191224035 A GB 191224035A GB 191224035D A GB191224035D A GB 191224035DA GB 191224035 A GB191224035 A GB 191224035A
Authority
GB
United Kingdom
Prior art keywords
cement
parts
tufa
pozzuolana
portland
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
Inventor
Arthur George Bloxam
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of GB191224035A publication Critical patent/GB191224035A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00—Hydraulic cements
    • C04B7/12—Natural pozzuolanas; Natural pozzuolana cements; Artificial pozzuolanas or artificial pozzuolana cements other than those obtained from waste or combustion residues, e.g. burned clay; Treating inorganic materials to improve their pozzuolanic characteristics
    • C04B7/13—Mixtures thereof with inorganic cementitious materials, e.g. Portland cements

Abstract

24,035. Bloxam, A. G., [Boersma, H. F.]. Oct. 21. Cements, Portland, treating after manufacture.-A cement suitable for withstanding seawater, and for ferro-concrete constructions is made by adding pozzuolana in the form of trass or tufa in certain proportions to Portland cement clinker before grinding. The proportions are 33 parts of tufa to 67 parts of cement, but if the'cement contains less than 65 per cent of lime, 30 parts of tufa to 70 parts of cement are sufficient. Gypsum may be added to control the time of setting, and also salts such as soda, alum, or the like. Instead of pozzuolana, a suitable clay which has been opened up by heating may be used. Reference has been directed by the Comptroller to Specifications 12,353/06 and 24,775/11.
GB191224035D 1912-10-21 1912-10-21 Improved Manufacture of Building Cement. Expired GB191224035A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB191224035T 1912-10-21

Publications (1)

Publication Number Publication Date
GB191224035A true GB191224035A (en) 1913-09-18

Family

ID=32574088

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191224035D Expired GB191224035A (en) 1912-10-21 1912-10-21 Improved Manufacture of Building Cement.

Country Status (1)

Country Link
GB (1) GB191224035A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774069A (en) * 1985-06-28 1988-09-27 Johnson Matthey Public Limited Company Process for the manufacture of nitric oxide
CN112919835A (en) * 2021-03-08 2021-06-08 哈尔滨金英建材有限公司 Building cement and processing method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4774069A (en) * 1985-06-28 1988-09-27 Johnson Matthey Public Limited Company Process for the manufacture of nitric oxide
CN112919835A (en) * 2021-03-08 2021-06-08 哈尔滨金英建材有限公司 Building cement and processing method thereof

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