JPS51149311A - Inside molding box for concrete manhole - Google Patents

Inside molding box for concrete manhole

Info

Publication number
JPS51149311A
JPS51149311A JP50073229A JP7322975A JPS51149311A JP S51149311 A JPS51149311 A JP S51149311A JP 50073229 A JP50073229 A JP 50073229A JP 7322975 A JP7322975 A JP 7322975A JP S51149311 A JPS51149311 A JP S51149311A
Authority
JP
Japan
Prior art keywords
molding box
concrete manhole
inside molding
manhole
concrete
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.)
Granted
Application number
JP50073229A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5435221B2 (enrdf_load_stackoverflow
Inventor
Kouichi Hirata
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.)
Nippon Steel Metal Products Co Ltd
Original Assignee
Nippon Steel Metal Products Co Ltd
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 Nippon Steel Metal Products Co Ltd filed Critical Nippon Steel Metal Products Co Ltd
Priority to JP50073229A priority Critical patent/JPS51149311A/ja
Publication of JPS51149311A publication Critical patent/JPS51149311A/ja
Publication of JPS5435221B2 publication Critical patent/JPS5435221B2/ja
Granted 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
    • B28B21/00—Methods or machines specially adapted for the production of tubular articles
    • B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
    • B28B21/566—Climbing elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
  • Manufacturing Of Tubular Articles Or Embedded Moulded Articles (AREA)
JP50073229A 1975-06-18 1975-06-18 Inside molding box for concrete manhole Granted JPS51149311A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50073229A JPS51149311A (en) 1975-06-18 1975-06-18 Inside molding box for concrete manhole

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50073229A JPS51149311A (en) 1975-06-18 1975-06-18 Inside molding box for concrete manhole

Publications (2)

Publication Number Publication Date
JPS51149311A true JPS51149311A (en) 1976-12-22
JPS5435221B2 JPS5435221B2 (enrdf_load_stackoverflow) 1979-11-01

Family

ID=13512129

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50073229A Granted JPS51149311A (en) 1975-06-18 1975-06-18 Inside molding box for concrete manhole

Country Status (1)

Country Link
JP (1) JPS51149311A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS5435221B2 (enrdf_load_stackoverflow) 1979-11-01

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