IT1236896B - Disposable formwork for the production of concrete manhole covers and the like - Google Patents

Disposable formwork for the production of concrete manhole covers and the like

Info

Publication number
IT1236896B
IT1236896B IT02274689A IT2274689A IT1236896B IT 1236896 B IT1236896 B IT 1236896B IT 02274689 A IT02274689 A IT 02274689A IT 2274689 A IT2274689 A IT 2274689A IT 1236896 B IT1236896 B IT 1236896B
Authority
IT
Italy
Prior art keywords
production
manhole covers
concrete
disposable formwork
concrete manhole
Prior art date
Application number
IT02274689A
Other languages
Italian (it)
Other versions
IT8922746A1 (en
IT8922746A0 (en
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 filed Critical
Priority to IT02274689A priority Critical patent/IT1236896B/en
Publication of IT8922746A0 publication Critical patent/IT8922746A0/en
Publication of IT8922746A1 publication Critical patent/IT8922746A1/en
Application granted granted Critical
Publication of IT1236896B publication Critical patent/IT1236896B/en

Links

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Sewage (AREA)

Abstract

This invention deals with a disposable formwork for the production of concrete manhole covers and the like, characterized by the fact that it includes a block made of expansive synthetic material, with a cavity having a form related to the shape of the manhole cover to be produced, and encircled by a perimeter border.A poured casting of concrete is introduced into the above mention cavity, with the previous introduction of a reinforcing structure; the casting is then trimmed, taking advantage of the perimeter border as a reference check.The block of expansive synthetic material is able also to function as a packing element for the stockpiling and transport of the manhole cover thus produced.
IT02274689A 1989-12-20 1989-12-20 Disposable formwork for the production of concrete manhole covers and the like IT1236896B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
IT02274689A IT1236896B (en) 1989-12-20 1989-12-20 Disposable formwork for the production of concrete manhole covers and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02274689A IT1236896B (en) 1989-12-20 1989-12-20 Disposable formwork for the production of concrete manhole covers and the like

Publications (3)

Publication Number Publication Date
IT8922746A0 IT8922746A0 (en) 1989-12-20
IT8922746A1 IT8922746A1 (en) 1991-06-20
IT1236896B true IT1236896B (en) 1993-04-26

Family

ID=11199966

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02274689A IT1236896B (en) 1989-12-20 1989-12-20 Disposable formwork for the production of concrete manhole covers and the like

Country Status (1)

Country Link
IT (1) IT1236896B (en)

Also Published As

Publication number Publication date
IT8922746A1 (en) 1991-06-20
IT8922746A0 (en) 1989-12-20

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961212