GB695879A - Improved method of forming passages in concrete beams or the like - Google Patents

Improved method of forming passages in concrete beams or the like

Info

Publication number
GB695879A
GB695879A GB16955/50A GB1695550A GB695879A GB 695879 A GB695879 A GB 695879A GB 16955/50 A GB16955/50 A GB 16955/50A GB 1695550 A GB1695550 A GB 1695550A GB 695879 A GB695879 A GB 695879A
Authority
GB
United Kingdom
Prior art keywords
stirrup
improved method
concrete beams
forming passages
core
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
GB16955/50A
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
Publication of GB695879A publication Critical patent/GB695879A/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
    • B28B7/28—Cores; Mandrels
    • B28B7/30—Cores; Mandrels adjustable, collapsible, or expanding
    • B28B7/32—Cores; Mandrels adjustable, collapsible, or expanding inflatable

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Rod-Shaped Construction Members (AREA)

Abstract

695,879. Deformable cores for moulding passages in concrete elements. BLATON, A., and BLATON, E. July 6, 1950 [July 7, 1949], No. 16955/50. Class 87 (ii). A passage is formed in a beam or other element by a deformable rubber core built up from several individual cores 2<SP>1</SP>, 2', 2' held together by a stirrup member 5. The stirrup may also serve to support the core by threading a rod 6 through bores in the stirrup. Each core member may have a longitudinal bore containing a stiffening member 4'.
GB16955/50A 1949-07-07 1950-07-06 Improved method of forming passages in concrete beams or the like Expired GB695879A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE695879X 1949-07-07

Publications (1)

Publication Number Publication Date
GB695879A true GB695879A (en) 1953-08-19

Family

ID=3878201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16955/50A Expired GB695879A (en) 1949-07-07 1950-07-06 Improved method of forming passages in concrete beams or the like

Country Status (1)

Country Link
GB (1) GB695879A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493382A1 (en) * 1980-10-31 1982-05-07 Delmagyarorszagi Magas Melyepi Casting concrete members with ducts - the ducts being formed by rubber rods or tubes removable by pulling
GB2194912A (en) * 1986-07-26 1988-03-23 Toto Ltd Method of making a porous mold for use in pressure slip casting

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2493382A1 (en) * 1980-10-31 1982-05-07 Delmagyarorszagi Magas Melyepi Casting concrete members with ducts - the ducts being formed by rubber rods or tubes removable by pulling
GB2194912A (en) * 1986-07-26 1988-03-23 Toto Ltd Method of making a porous mold for use in pressure slip casting
GB2194912B (en) * 1986-07-26 1989-12-13 Toto Ltd Method of making mold used in pressure slip casting

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