EP0516243A1 - Leaf trap - Google Patents

Leaf trap Download PDF

Info

Publication number
EP0516243A1
EP0516243A1 EP92201539A EP92201539A EP0516243A1 EP 0516243 A1 EP0516243 A1 EP 0516243A1 EP 92201539 A EP92201539 A EP 92201539A EP 92201539 A EP92201539 A EP 92201539A EP 0516243 A1 EP0516243 A1 EP 0516243A1
Authority
EP
European Patent Office
Prior art keywords
leaf trap
leaf
dish
plastics
similar
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
EP92201539A
Other languages
German (de)
French (fr)
Other versions
EP0516243B1 (en
Inventor
Gerardus Benedictus Van Der Schaaf
Adrianus Johannes Van Der Schaaf
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.)
G.B. VAN DER SCHAAF;HANDELSONDERNEMING A.G.S. B.V.
Original Assignee
Schaaf Adrianus Johannes V D
Schaaf Gerardus Benedictus V D
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 Schaaf Adrianus Johannes V D, Schaaf Gerardus Benedictus V D filed Critical Schaaf Adrianus Johannes V D
Publication of EP0516243A1 publication Critical patent/EP0516243A1/en
Application granted granted Critical
Publication of EP0516243B1 publication Critical patent/EP0516243B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D13/0431—Drainage outlets, e.g. gullies with horizontal evacuation over the border of the roof
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D13/00—Special arrangements or devices in connection with roof coverings; Protection against birds; Roof drainage ; Sky-lights
    • E04D13/04—Roof drainage; Drainage fittings in flat roofs, balconies or the like
    • E04D13/0404—Drainage on the roof surface
    • E04D13/0409—Drainage outlets, e.g. gullies
    • E04D2013/0413—Strainers for drainage outlets

Definitions

  • This invention relates to a leaf trap consisting of a body made of plastics, equipped with legs between which water passage gates are provided.
  • the object of the invention is to provide a leaf trap of the type described above, in which these disadvantages are overcome and which, moreover, is ecologically sound.
  • the leaf trap according to the invention is characterized in that the plastics body consists of a dish open on one side, filled up with a weight-increasing filler.
  • the dish preferably consists of recycled PVC or similar plastics material.
  • the filler preferably consists of fly ash, concrete mortar or similar material, or a mixture thereof.
  • the exterior of the leaf trap preferably has a shape which is adapted to its location on the roof or to the roof gutter.
  • the advantage of the leaf trap according to the invention is that it is possible to use exclusively waste materials for its manufacture. By filling up the plastics dish with fly ash, concrete or the like, the leaf trap is made heavier to such an extent that it need not be connected to the roof, while, moreover, a robust construction is obtained.
  • the leaf trap shown in the drawings consists of a dish-shaped body 1 which is equipped with legs 2 and is filled with a filler 3 consisting of fly ash, concrete mortar or a similar material, or a mixture thereof.
  • the dish-shaped body 1 is made of plastics, for instance recycled PVC or a similar waste material.
  • passages 5 are present between the legs 2 of the dish-shaped body 1, passages 5 are present.
  • the legs 2 can be of circular cross-section, but may also have other cross-sections which are favourable from a flow-technical point of view. It is important that leaf material or the like, swept along by the wind, can readily pass through the passages 5 and does not clog them.
  • the top of the dish-shaped body comprises a passage or overflow 6 which enables the passage of water when all gates are clogged.
  • the opening 6 is rectangular. It is desirable to make the opening 6 of non-circular shape so that is cannot be closed off by a playing ball which has accidentally ended up on the roof.
  • the leaf trap has the size of a paving stone, so that it can easily be fitted into the tiled roof coverings currently used, as for instance for parking roofs.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Road Paving Structures (AREA)
  • Processing Of Solid Wastes (AREA)
  • Building Environments (AREA)

Abstract

The invention relates to a leaf trap consisting of a dish (1) made of plastics, for instance (recycled) PVC or similar plastics waste material, provided with legs (2) between which water passage gates (5) are provided, the dish (1) being open on one side and being filled with a weight-increasing filler (3), for instance fly ash, concrete mortar or similar material, or a mixture thereof.

Description

  • This invention relates to a leaf trap consisting of a body made of plastics, equipped with legs between which water passage gates are provided.
  • Such leaf traps are known from practice but do not satisfy the requirements to be met. They are typically too light, so that in the case of larger (wind) loads, they
    • a) do not retain their position, or
    • b) give way, or
    • c) get clogged easily.
  • These drawbacks are also inherent to the commonly used spherical wire grates, which are made of metal and are essentially in the form of a chimney cap. Leaf traps of this type moreover have the disadvantage that, owing to their volume, they constrict the drain they are arranged in.
  • The object of the invention is to provide a leaf trap of the type described above, in which these disadvantages are overcome and which, moreover, is ecologically sound.
  • To that end, the leaf trap according to the invention is characterized in that the plastics body consists of a dish open on one side, filled up with a weight-increasing filler.
  • The dish preferably consists of recycled PVC or similar plastics material.
  • The filler preferably consists of fly ash, concrete mortar or similar material, or a mixture thereof.
  • The exterior of the leaf trap preferably has a shape which is adapted to its location on the roof or to the roof gutter.
  • The advantage of the leaf trap according to the invention is that it is possible to use exclusively waste materials for its manufacture. By filling up the plastics dish with fly ash, concrete or the like, the leaf trap is made heavier to such an extent that it need not be connected to the roof, while, moreover, a robust construction is obtained.
  • One embodiment of the leaf trap according to the invention will now be further explained, by way of example, with reference to the accompanying drawings, in which:
    • Fig. 1 is a section of a leaf trap, taken on the line I-I of Fig. 2, and
    • Fig. 2 is a bottom view of the leaf trap according to Figure 1.
  • The leaf trap shown in the drawings consists of a dish-shaped body 1 which is equipped with legs 2 and is filled with a filler 3 consisting of fly ash, concrete mortar or a similar material, or a mixture thereof.
  • The dish-shaped body 1 is made of plastics, for instance recycled PVC or a similar waste material.
  • Between the legs 2 of the dish-shaped body 1, passages 5 are present. The legs 2 can be of circular cross-section, but may also have other cross-sections which are favourable from a flow-technical point of view. It is important that leaf material or the like, swept along by the wind, can readily pass through the passages 5 and does not clog them.
  • The top of the dish-shaped body comprises a passage or overflow 6 which enables the passage of water when all gates are clogged. In the embodiment shown, the opening 6 is rectangular. It is desirable to make the opening 6 of non-circular shape so that is cannot be closed off by a playing ball which has accidentally ended up on the roof.
  • Preferably, the leaf trap has the size of a paving stone, so that it can easily be fitted into the tiled roof coverings currently used, as for instance for parking roofs.

Claims (5)

  1. A leaf trap consisting of a body (1) made of plastics, equipped with legs (2) between which water passage gates (5) are provided, characterized in that the plastics body (1) consists of a dish open on one side, which is filled with a weight-increasing filler (3).
  2. A leaf trap according to claim 1, characterized in that the dish (1) is made from recycled PVC or similar plastics waste material.
  3. A leaf trap according to claim 1 or 2, characterized in that the filler (3) consists of fly ash, concrete mortar or similar material, or a mixture thereof.
  4. A leaf trap according to one or more of the preceding claims, characterized in that the leaf trap is provided at the top thereof with one or more free passages or overflows (6).
  5. A leaf trap according to one or more of the preceding claims, characterized in that the shape of the exterior of the leaf trap is adapted to its location on the roof or to the roof gutter.
EP19920201539 1991-05-31 1992-05-27 Leaf trap Expired - Lifetime EP0516243B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9100946A NL9100946A (en) 1991-05-31 1991-05-31 LEAF CATCHER.
NL9100946 1991-05-31

Publications (2)

Publication Number Publication Date
EP0516243A1 true EP0516243A1 (en) 1992-12-02
EP0516243B1 EP0516243B1 (en) 1995-08-09

Family

ID=19859311

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920201539 Expired - Lifetime EP0516243B1 (en) 1991-05-31 1992-05-27 Leaf trap

Country Status (3)

Country Link
EP (1) EP0516243B1 (en)
DE (1) DE69203963T2 (en)
NL (1) NL9100946A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283160A (en) * 1941-03-15 1942-05-19 Edward W N Boosey Roof drain
FR1189156A (en) * 1956-09-07 1959-09-30 Bataafsche Petroleum Device for the protection of underwater bottoms and method of fitting this device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2283160A (en) * 1941-03-15 1942-05-19 Edward W N Boosey Roof drain
FR1189156A (en) * 1956-09-07 1959-09-30 Bataafsche Petroleum Device for the protection of underwater bottoms and method of fitting this device

Also Published As

Publication number Publication date
EP0516243B1 (en) 1995-08-09
DE69203963D1 (en) 1995-09-14
NL9100946A (en) 1992-12-16
DE69203963T2 (en) 1996-02-08

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