DE68900596D1 - CASTING PROVIDED WITH A DESTROYABLE PART. - Google Patents

CASTING PROVIDED WITH A DESTROYABLE PART.

Info

Publication number
DE68900596D1
DE68900596D1 DE8989470008T DE68900596T DE68900596D1 DE 68900596 D1 DE68900596 D1 DE 68900596D1 DE 8989470008 T DE8989470008 T DE 8989470008T DE 68900596 T DE68900596 T DE 68900596T DE 68900596 D1 DE68900596 D1 DE 68900596D1
Authority
DE
Germany
Prior art keywords
slug
zone
wall
cross
section
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 - Lifetime
Application number
DE8989470008T
Other languages
German (de)
Inventor
Jean-Claude Hauer
Alain Percebois
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 SA filed Critical Pont a Mousson SA
Application granted granted Critical
Publication of DE68900596D1 publication Critical patent/DE68900596D1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Massaging Devices (AREA)
  • Piles And Underground Anchors (AREA)
  • Braking Arrangements (AREA)
  • Control Of Vending Devices And Auxiliary Devices For Vending Devices (AREA)
  • Dental Preparations (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Adornments (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Thermistors And Varistors (AREA)
  • Dental Prosthetics (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Peptides Or Proteins (AREA)
  • Toys (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

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>
DE8989470008T 1988-05-05 1989-05-03 CASTING PROVIDED WITH A DESTROYABLE PART. Expired - Lifetime DE68900596D1 (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
DE68900596D1 true DE68900596D1 (en) 1992-02-06

Family

ID=9366022

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989470008T Expired - Lifetime DE68900596D1 (en) 1988-05-05 1989-05-03 CASTING PROVIDED WITH A DESTROYABLE 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
EP0341179A1 (en) 1989-11-08
PT90442A (en) 1989-11-30
ES2024392T3 (en) 1992-08-16
DK214789D0 (en) 1989-05-02
FR2630942A1 (en) 1989-11-10
DK172195B1 (en) 1997-12-22
FR2630942B1 (en) 1991-04-05
ATE70870T1 (en) 1992-01-15
GR3003446T3 (en) 1993-02-17
EP0341179B1 (en) 1991-12-27
ES2024392A4 (en) 1992-03-01
NO170200B (en) 1992-06-15
PT90442B (en) 1994-05-31
NO891807L (en) 1989-11-06
DK214789A (en) 1989-11-06
NO891807D0 (en) 1989-05-02
NO170200C (en) 1992-09-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition