GR3003446T3 - Casting provided with a destructible part - Google Patents

Casting provided with a destructible part

Info

Publication number
GR3003446T3
GR3003446T3 GR91401194T GR910401194T GR3003446T3 GR 3003446 T3 GR3003446 T3 GR 3003446T3 GR 91401194 T GR91401194 T GR 91401194T GR 910401194 T GR910401194 T GR 910401194T GR 3003446 T3 GR3003446 T3 GR 3003446T3
Authority
GR
Greece
Prior art keywords
slug
zone
wall
cross
section
Prior art date
Application number
GR91401194T
Other languages
Greek (el)
Inventor
Jean-Claude Hauer
Alain Percebois
Original Assignee
Pont A Mousson
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 Pont A Mousson filed Critical Pont A Mousson
Publication of GR3003446T3 publication Critical patent/GR3003446T3/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00—Independent underground or underwater structures; Retaining walls
    • E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
    • E02D29/14—Covers for manholes or the like; Frames for covers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings

Abstract

The invention relates to a casting (1) comprising a body having a wall (2) equipped with at least one slug (3) breakable by knocking so as to expose an orifice (4) through said wall (2) in place of said slug (3). The slug (3) is fixed to a resistant zone (5) of the wall (2) of the body by means of a breakable zone (6) surrounded by said resistant zone (5), the cross-section of this breakable zone (6), which connects the slug (3) to the resistant zone, being substantially reduced in relation to the cross-section of this resistant zone (5) and in relation to the cross-section of the slug (3). Moreover, the slug (3) is located completely outside the space defined by the two planes P1 and P2 between which the resistant zone (5) is inscribed. <IMAGE>
GR91401194T 1988-05-05 1991-12-30 Casting provided with a destructible part GR3003446T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8806047A FR2630942B1 (en) 1988-05-05 1988-05-05 FOUNDRY PIECE PROVIDED WITH A BREAKABLE PELLET

Publications (1)

Publication Number Publication Date
GR3003446T3 true GR3003446T3 (en) 1993-02-17

Family

ID=9366022

Family Applications (1)

Application Number Title Priority Date Filing Date
GR91401194T GR3003446T3 (en) 1988-05-05 1991-12-30 Casting provided with a destructible part

Country Status (9)

Country Link
EP (1) EP0341179B1 (en)
AT (1) ATE70870T1 (en)
DE (1) DE68900596D1 (en)
DK (1) DK172195B1 (en)
ES (1) ES2024392T3 (en)
FR (1) FR2630942B1 (en)
GR (1) GR3003446T3 (en)
NO (1) NO170200C (en)
PT (1) PT90442B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT234061B (en) * 1962-08-20 1964-06-10 Kaiserslautern Guss Armatur Cover-like closure body made of cast iron for manhole openings
DE7800397U1 (en) * 1978-01-07 1978-05-03 Passavant-Werke Michelbacher Huette, 6209 Aarbergen LID FOR MANHOLE COVERS
CY1267A (en) * 1980-10-27 1984-11-23 Dover Eng Works Ltd Manufacturing manhole cover frames

Also Published As

Publication number Publication date
DK214789A (en) 1989-11-06
EP0341179B1 (en) 1991-12-27
NO891807D0 (en) 1989-05-02
EP0341179A1 (en) 1989-11-08
ES2024392T3 (en) 1992-08-16
NO170200B (en) 1992-06-15
DE68900596D1 (en) 1992-02-06
ES2024392A4 (en) 1992-03-01
NO170200C (en) 1992-09-23
DK172195B1 (en) 1997-12-22
DK214789D0 (en) 1989-05-02
PT90442A (en) 1989-11-30
PT90442B (en) 1994-05-31
NO891807L (en) 1989-11-06
ATE70870T1 (en) 1992-01-15
FR2630942A1 (en) 1989-11-10
FR2630942B1 (en) 1991-04-05

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