EP1092813A2 - Metallgitter zum Abdecken von Abwasserrinnen - Google Patents

Metallgitter zum Abdecken von Abwasserrinnen Download PDF

Info

Publication number
EP1092813A2
EP1092813A2 EP00830662A EP00830662A EP1092813A2 EP 1092813 A2 EP1092813 A2 EP 1092813A2 EP 00830662 A EP00830662 A EP 00830662A EP 00830662 A EP00830662 A EP 00830662A EP 1092813 A2 EP1092813 A2 EP 1092813A2
Authority
EP
European Patent Office
Prior art keywords
partitions
raceway
fact
transversal
grate according
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
EP00830662A
Other languages
English (en)
French (fr)
Other versions
EP1092813A3 (de
EP1092813B1 (de
EP1092813B8 (de
Inventor
Franco Papa
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.)
MUFLE S.P.A.
Original Assignee
Papa Raffaela
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 Papa Raffaela filed Critical Papa Raffaela
Publication of EP1092813A2 publication Critical patent/EP1092813A2/de
Publication of EP1092813A3 publication Critical patent/EP1092813A3/de
Publication of EP1092813B1 publication Critical patent/EP1092813B1/de
Application granted granted Critical
Publication of EP1092813B8 publication Critical patent/EP1092813B8/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03F—SEWERS; CESSPOOLS
    • E03F5/00—Sewerage structures
    • E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
    • E03F5/06—Gully gratings

Definitions

  • the present patent application relates to a new model of metallic grate covering the underground raceways used to collect and convey water.
  • Raceways are usually made of moulded plastic or concrete and protected with metallic grates that are capable of supporting heavy loads in order to allow for the safe crossing of people or vehicles.
  • Metallic grates are made with an opposed pair of identical longitudinal elements, represented by two box metal sections. Regularly spaced transversal partitions are soldered between the two sections, with a regular series of notches on their upper edge used to insert the longitudinal partitions to create the grate mesh through the intersection with the transversal partitions.
  • each partition is permanently fixed by means of soldering points astride its upper edge and the upper edge of the box elements.
  • soldering also involves additional problems, such as controlling and reducing the thermal deformations caused by the high temperatures of plates during soldering and galvanising.
  • the purpose of the present invention is to realise a new model of metallic grate covering the street raceways used to collect and convey water, characterised first of all by a high resistance of the transversal partitions to torsional stress that would tend to cause rotation around their longitudinal axis.
  • This first object has been achieved thanks to the special structure of the longitudinal elements that are provided with a regularly spaced series of vertical notches designed to embrace and laterally support the ends of the transversal partitions.
  • a further object of the present invention is to realise a new model of metallic grate covering the street raceways used to collect and convey water, characterised by cheap production costs thanks to the use of mechanical retention means to fix the transversal partitions to the longitudinal elements.
  • the model of grate according to the present invention comprises a series of transversal partitions contained between a pair of longitudinal elements, each of them made with "C-shaped” metal section, whose vertical wall features a longitudinal "raceway” with convexity facing the inside of the C-shaped section and provided with multiple through vertical notches in which the ends of the transversal partitions are inserted edgewise, thus protruding from the concave side of the raceway.
  • a central hole is located near the ends of the transversal partitions. This hole is positioned in the centre of the raceway once the transversal partitions have been completely inserted inside the notches of the raceway.
  • a rod iron can be inserted inside the aligned holes to remove the partitions from the longitudinal elements.
  • a semi-sheared tab is located near the ends of the transversal partitions. This tab is positioned in the centre of the raceway once the transversal partitions have been completely inserted inside the notches of the raceway.
  • the semi-sheared tabs can be folded laterally, thus assuming an orthogonal position with respect to the transversal partitions, to remove the partitions from the longitudinal elements.
  • the model of grate according to the present invention traditionally comprises a series of transversal partitions (1) contained between a pair of longitudinal elements (2), each of them made with C-shaped metal section, the upper wing (2a) being narrower than the lower wing (2b).
  • the metal section (2) is characterised by the presence on its vertical wall (2c) of a longitudinal "raceway” (3) with convexity facing the inside of the C-shaped section and provided with multiple through vertical notches (4) in which the ends (1a) of the transversal partitions (1) can be inserted edgewise, thus protruding from the concave side of the raceway, as shown in fig. 1.
  • the raceway (3) has a V-shaped section, but it could also have a U-shaped or semicircular section.
  • a central hole (5) is present at the end (1a) of the transversal partitions (1).
  • the hole (5) is positioned in the centre of the raceway (3) once the transversal partitions (1) have been completely inserted inside the notches (4) of the raceway, as shown in fig. 1.
  • Fig. 1 also shows how a rod iron (6) can be inserted inside the aligned holes (5) to remove the partitions (1) from the longitudinal elements (2).
  • a semi-sheared tab (7) is present at the end (1a) of the transversal partitions (1) (see fig. 4A).
  • the tab (7) is positioned in the centre of the raceway (3) once the transversal partitions (1) have been completely inserted inside the notches (4) of the raceway.
  • Fig. 4B shows how the semi-sheared tabs (7) can be folded laterally, thus becoming orthogonal with respect to the transversal partitions, to remove the partitions (1) from the longitudinal elements (2).
  • both the insertion of the rod iron (6) in the holes (5) and the folding of the tabs (7) can be performed automatically with low cost by means of inexpensive tools applied on the same machines used to assemble the partitions (1) to the longitudinal elements (2).
  • Number (8) indicates the notches located on the upper edge of the transversal partitions (1) used to insert the longitudinal partitions (9).

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Health & Medical Sciences (AREA)
  • Sewage (AREA)
  • Filtering Materials (AREA)
  • Baking, Grill, Roasting (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Water Treatment By Sorption (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Bathtub Accessories (AREA)
  • Belt Conveyors (AREA)
  • Catching Or Destruction (AREA)
  • Insulated Conductors (AREA)
  • Lift Valve (AREA)
EP00830662A 1999-10-14 2000-10-11 Metallgitter zum Abdecken von Abwasserrinnen Expired - Lifetime EP1092813B8 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITAN990037U 1999-10-14
IT1999AN000037U IT248950Y1 (it) 1999-10-14 1999-10-14 Griglia metallica di copertura per canalette di raccolta e diconvogliamento dell'acqua.

Publications (4)

Publication Number Publication Date
EP1092813A2 true EP1092813A2 (de) 2001-04-18
EP1092813A3 EP1092813A3 (de) 2003-01-08
EP1092813B1 EP1092813B1 (de) 2006-02-22
EP1092813B8 EP1092813B8 (de) 2006-05-17

Family

ID=11334345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00830662A Expired - Lifetime EP1092813B8 (de) 1999-10-14 2000-10-11 Metallgitter zum Abdecken von Abwasserrinnen

Country Status (5)

Country Link
EP (1) EP1092813B8 (de)
AT (1) ATE318346T1 (de)
DE (1) DE60026134T2 (de)
ES (1) ES2258964T3 (de)
IT (1) IT248950Y1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014101320A1 (de) * 2014-02-04 2015-08-06 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Entwässerungsabdeckung
DE102020000419B4 (de) 2020-01-24 2022-03-10 Sven Ifland Installation zum Sammeln und Ableiten von Abwasser oder Regenwasser

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996005381A1 (en) * 1994-08-09 1996-02-22 L & S Enterprises, Inc. Trench cover assembly and method
DE19810358A1 (de) * 1998-03-10 1999-09-16 Friedrich Wolfarth Befestigungssystem für einen Gitterrost

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996005381A1 (en) * 1994-08-09 1996-02-22 L & S Enterprises, Inc. Trench cover assembly and method
DE19810358A1 (de) * 1998-03-10 1999-09-16 Friedrich Wolfarth Befestigungssystem für einen Gitterrost

Also Published As

Publication number Publication date
EP1092813A3 (de) 2003-01-08
IT248950Y1 (it) 2003-03-06
ATE318346T1 (de) 2006-03-15
EP1092813B1 (de) 2006-02-22
EP1092813B8 (de) 2006-05-17
DE60026134T2 (de) 2006-11-16
ITAN990037U1 (it) 2001-04-14
DE60026134D1 (de) 2006-04-27
ES2258964T3 (es) 2006-09-16
ITAN990037V0 (it) 1999-10-14

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