GB620356A - An arrangement for electric quick-hardening of castings of structural materials - Google Patents

An arrangement for electric quick-hardening of castings of structural materials

Info

Publication number
GB620356A
GB620356A GB140547A GB140547A GB620356A GB 620356 A GB620356 A GB 620356A GB 140547 A GB140547 A GB 140547A GB 140547 A GB140547 A GB 140547A GB 620356 A GB620356 A GB 620356A
Authority
GB
United Kingdom
Prior art keywords
castings
hardening
arrangement
structural materials
electric quick
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
GB140547A
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
Priority to GB140547A priority Critical patent/GB620356A/en
Publication of GB620356A publication Critical patent/GB620356A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Abstract

Wall blocks, beams, &c. of concrete &c. are electrically hardened in moulds in which the electrodes form part of the walls of the mould. The rest of the mould may be made of a composition of cement and asbestos.
GB140547A 1947-01-15 1947-01-15 An arrangement for electric quick-hardening of castings of structural materials Expired GB620356A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB140547A GB620356A (en) 1947-01-15 1947-01-15 An arrangement for electric quick-hardening of castings of structural materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB140547A GB620356A (en) 1947-01-15 1947-01-15 An arrangement for electric quick-hardening of castings of structural materials

Publications (1)

Publication Number Publication Date
GB620356A true GB620356A (en) 1949-03-23

Family

ID=9721433

Family Applications (1)

Application Number Title Priority Date Filing Date
GB140547A Expired GB620356A (en) 1947-01-15 1947-01-15 An arrangement for electric quick-hardening of castings of structural materials

Country Status (1)

Country Link
GB (1) GB620356A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971239A (en) * 1957-12-16 1961-02-14 Owens Illinois Glass Co Method of making cast shapes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2971239A (en) * 1957-12-16 1961-02-14 Owens Illinois Glass Co Method of making cast shapes

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