WO1996010714A1 - Apparatus for down light installation - Google Patents

Apparatus for down light installation Download PDF

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Publication number
WO1996010714A1
WO1996010714A1 PCT/AU1995/000503 AU9500503W WO9610714A1 WO 1996010714 A1 WO1996010714 A1 WO 1996010714A1 AU 9500503 W AU9500503 W AU 9500503W WO 9610714 A1 WO9610714 A1 WO 9610714A1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
cap
down light
concrete
aperture
Prior art date
Application number
PCT/AU1995/000503
Other languages
French (fr)
Inventor
Donald John Earnshaw
Original Assignee
Radiant Lighting Pty. Ltd.
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 Radiant Lighting Pty. Ltd. filed Critical Radiant Lighting Pty. Ltd.
Priority to AU31583/95A priority Critical patent/AU697728B2/en
Publication of WO1996010714A1 publication Critical patent/WO1996010714A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
    • H02G3/20—Ceiling roses or other lighting sets
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
    • E04B5/48—Special adaptations of floors for incorporating ducts, e.g. for heating or ventilating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
    • F21V21/02—Wall, ceiling, or floor bases; Fixing pendants or arms to the bases
    • F21V21/04—Recessed bases

Definitions

  • the present invention relates to an apparatus and a method for a down light installation.
  • down light as used throughout this specification includes down lights and similar flush lights.
  • the present invention relates to an apparatus and a method for assisting down light installation in formed concrete.
  • a conduit for electrical wiring to the down light must be provided prior to pouring the concrete.
  • an aperture for a down light has consisted of a pipe shaped member which is held to the formwork by wire straps or the like. This pipe shaped member, however, can be displaced or moved out of an appropriate position since the wire straps do not provide adequate stability. Hence, the electrical conduit may not be in the correct position after the pipe shaped member is displaced or moved.
  • the present invention seeks to alleviate, at least, some aspects of the above problem.
  • an apparatus for a down light installation characterised by a housing having an open end and a closed end, a cap which is arranged to be connected to a formwork for concrete, the cap further being releasably engagable with the open end of the housing.
  • a method of installing a down light in formed concrete characterised by; a) fixing a cap to a formwork for concrete; b) removably attaching a housing having an open end and a closed end to the fixed cap; then c) pouring concrete onto the formwork; d) allowing the concrete to set; and e) then removing the formwork; f) then removing the cap from the housing; and then installing a down light into the housing.
  • Figure la is a cross sectional view of a down light apparatus in accordance with the present invention.
  • Figure lb is an enlargement of an end of a housing of the down light apparatus as shown in Figure la;
  • Figure lc is a plan view of an electrical conduit used in accordance with the present invention.
  • Figure 2 is a plan view of a cap used in accordance with the present invention
  • Figure 3 is a side view of the cap as shown in Figure 2
  • Figure 4 shows the down light apparatus as shown in Figure 1 in use
  • Figures 5 to 8 are perspective views showing installation of a down light apparatus in accordance with the present invention.
  • Figures 9 and 9a is a partly cutaway perspective view and a cross sectional view of a fitting member used in the present invention.
  • an apparatus 10 for a down light installation which includes a housing 12 and a cap 14.
  • the housing 12 is preferably in the shape of a canister as shown in Figure 1.
  • the housing 12 has a cylindrical member 16.
  • the housing 12 also has a closed end 18 and an open end 20.
  • the housing 12 can be made from suitable materials such as steel, aluminium, polycarbonate or other suitable plastics material.
  • the cylindrical member 16 may have a chamfered edge 22 at the open end 20.
  • the chamfered edge 22 is at an angle of 45 degrees to the open end 20.
  • the cylindrical member 16 also has an inner wall 24.
  • the inner wall 24 preferably has at its lower end a threaded section 26 which is adjacent to the open end 20 of the housing 12.
  • the housing 12 has a number of apertures 28 formed therein.
  • the apertures 28 are preferably circular and may also have a threaded area 30. Further , the apertures 28 are preferably spaced equidistantly around the circumference of the cylindrical member 16.
  • the number of apertures is preferably between 2 and 5.
  • a plug 32 is adapted to be removably received within an aperture 28.
  • the plug 32 preferably has a threaded area 34 which may be screwed into the threaded section 30 of the aperture 28.
  • the plug 32 can be removably received within the aperture 28 by other suitable means such as preferably press fit, twist fit, snap on or clip on means.
  • an electrical conduit 36 may be adapted to be removably received within an aperture 28.
  • the electrical conduit 36 has an end 37 which is preferably threaded so as to be adapted to screw into the apertures 28 of the housing 12.
  • the electrical conduit may also be removably received by other suitable means such as was described hereinabove for the plug 32.
  • a cap 14 which is preferably a circular disc having an outer edge 38.
  • the outer edge 38 is adapted to be removably received in the open end 20 of the housing 12.
  • the cap 14 preferably has an outer edge 38 which is threaded so that the cap 14 can be engaged with the threaded section 26 of the housing 12.
  • the cap 14 may also be removably received in the open end 20 of the housing 12 by way of a snap fit, clip on , press fit , twist fit or any other suitable means for removably receiving the cap 14 from the open end 20 of the housing 12.
  • the cap 14 has a number of circular perforations 40 which extend through the cap 14 and are preferably spaced apart.
  • the cap 14 also may have a slot 42 which extends through the cap 14 to form a slotted aperture.
  • the cap 14 may also have a recessed inner face 44 as shown in Figure 2.
  • cap 14 is attached to the formwork for concrete as shown in the accompanying drawings.
  • the cap 14 is attached to the concrete formwork by screwing, nailing or bolting the cap 14 to the concrete formwork.
  • the screws, nails or bolts are typically passed through the circular perforations 40.
  • the open end 20 of the housing 12 is then screwed onto the cap 14 by way of engaging the threaded section 26 with the threaded outer edge 38 of the cap 14.
  • the housing 12 is secured in position since the cap 14 is screwed, nailed or bolted to the formwork and the housing 12 is threadedly engaged with the cap 14. Consequently, the housing 12 will not be moved or displaced by knocks it may receive on the work site.
  • the housing 12 contains apertures 28 with plugs 32 inserted therein. As shown in Figure 7, when it is desired to fit an electrical conduit 36 to the housing 12, a plug 32 is removed.
  • An electrical conduit is typically engaged into the aperture 28 by way of threadedly engaging a threaded end 37 of the conduit with the threaded area 30 of the aperture 28.
  • the aperture 28 provides a convenient means for electricians to install an electrical conduit 36 for wiring between a plurality of down lights to be installed in a concrete ceiling.
  • the cap 14 prevents any concrete from entering the open end 20 of the housing 12. Also, the plugs 32 prevent any concrete from entering through the apertures 28. Furthermore, the electrical conduit 36, if engaged within an aperture 28 will prevent concrete from entering the housing 12. After the concrete is set, the concrete formwork is removed. The cap 14 is removed from the housing 12 by way of screwing, twisting or pulling the cap 14 from the open end 20 of the housing 12.
  • the slot 42 also provides a means for assisting the removal of the cap 14 from the housing 12.
  • a suitable levering member (not shown) can engage within the slot 42 to provide extra torque in screwing or twisting the cap 14 and hence facilitate removal of the cap 14 .
  • the levering member may be used to simply remove the cap 14 by pulling the cap 14 out of the housing 12. This is more appropriate when the cap 14 is attached to the housing 12 by way of a snap on, clip on or press fit mechanism.
  • a conventional down light 50 is installed .
  • the down light 50 is preferably removably attached to the inner wall 24 of the housing 12 by way of a snap on or clip on means.
  • other suitable removable attachment means for the down light 50 can be utilised.
  • the canister 12 forms a convenient aperture for the installation of a down light 50 therein.
  • the housing 12 has the advantage that an electrical conduit 36 is already present, and further there are a number of apertures 28 spaced around the circumference so that an electrician has a choice in which direction the electrical conduit can be installed.
  • FIG 4 there is shown a housing 12 installed in situ.
  • the housing 12 is embedded in set concrete 48.
  • the down light 50 is installed by way of known means, the down light 50 is installed in the housing 12 and connected to a number of wires 52 which are provided previously for in the electrical conduit 36.
  • a transformer (not shown) can be positioned either within the housing 12 or at a position exterior to the housing 12.
  • the transformer is typically positioned at a position which is at a distance away from the housing 12. However, it is envisaged that a transformer may be positioned within the housing 12.
  • a fitting member 54 is removably attached to the open end 20 of the housing 12.
  • This fitting member 54 includes a means 55 for removably attaching the fitting member 54 to the open end 20.
  • the fitting member 54 has an upright wall 56 which is spaced at a distance 58 towards the centre of the housing 12 from the inner wall 24.
  • the fitting member 54 also has a lower rim 60 which is attached to the upright wall 56.
  • the fitting member 54 is attached to the housing 12 to allow smaller down lights 50 to be inserted therein.
  • the distance 58 between the upright wall 56 and the inner wall 24 may be varied to allow different sized down or flush lights to be installed therein.
  • the fitting member 54 preferably has a removably attachable means 55 which is threaded. Hence, the means 55 can be threadedly engaged with the threaded section 26. Modifications and variations such as would be apparent to a skilled addressee are deemed to be within the scope of the present invention.

Abstract

An apparatus (10) for a down light installation is characterised by including a housing (12) having an open end (20) and a closed end (18) and at least one aperture (28) formed therein, a cap (14) further being releasably engaged with the open end (20) of the housing (12). A plug (32) can be removably received within an aperture (28). Furthermore, an electrical conduit (36) can be removably received within an aperture (28) such that electrical wiring can be connected to the down light.

Description

TITLE
APPARATUS FOR DOWN LIGHT INSTALLATION.
DESCRIPTION
The present invention relates to an apparatus and a method for a down light installation.
It is to be understood that the term "down light" as used throughout this specification includes down lights and similar flush lights.
In particular, the present invention relates to an apparatus and a method for assisting down light installation in formed concrete.
FIELD OF THE INVENTION The installation of a down light in a concrete ceiling leads to one or more problems. Firstly, a conduit for electrical wiring to the down light must be provided prior to pouring the concrete. Previously, an aperture for a down light has consisted of a pipe shaped member which is held to the formwork by wire straps or the like. This pipe shaped member, however, can be displaced or moved out of an appropriate position since the wire straps do not provide adequate stability. Hence, the electrical conduit may not be in the correct position after the pipe shaped member is displaced or moved. The present invention seeks to alleviate, at least, some aspects of the above problem.
SUMMARY OF THE INVENTION In accordance with one aspect of the present invention, there is provided an apparatus for a down light installation characterised by a housing having an open end and a closed end, a cap which is arranged to be connected to a formwork for concrete, the cap further being releasably engagable with the open end of the housing.
In accordance with another aspect of the present invention, there is provided a method of installing a down light in formed concrete characterised by; a) fixing a cap to a formwork for concrete; b) removably attaching a housing having an open end and a closed end to the fixed cap; then c) pouring concrete onto the formwork; d) allowing the concrete to set; and e) then removing the formwork; f) then removing the cap from the housing; and then installing a down light into the housing.
BRIEF DESCRIPTION OF THE DRAWINGS The present invention will now be described, by way of example, with reference to the accompanying drawings, in which:
Figure la is a cross sectional view of a down light apparatus in accordance with the present invention;
Figure lb is an enlargement of an end of a housing of the down light apparatus as shown in Figure la;
Figure lc is a plan view of an electrical conduit used in accordance with the present invention;
Figure 2 is a plan view of a cap used in accordance with the present invention; Figure 3 is a side view of the cap as shown in Figure 2; Figure 4 shows the down light apparatus as shown in Figure 1 in use and Figures 5 to 8 are perspective views showing installation of a down light apparatus in accordance with the present invention.
Figures 9 and 9a is a partly cutaway perspective view and a cross sectional view of a fitting member used in the present invention.
DESCRIPTION OF THE INVENTION In Figure la, there is shown an apparatus 10 for a down light installation which includes a housing 12 and a cap 14. The housing 12 is preferably in the shape of a canister as shown in Figure 1. The housing 12 has a cylindrical member 16. The housing 12 also has a closed end 18 and an open end 20. The housing 12 can be made from suitable materials such as steel, aluminium, polycarbonate or other suitable plastics material. As shown in Figure lb, the cylindrical member 16 may have a chamfered edge 22 at the open end 20. Preferably, the chamfered edge 22 is at an angle of 45 degrees to the open end 20. The cylindrical member 16 also has an inner wall 24. The inner wall 24 preferably has at its lower end a threaded section 26 which is adjacent to the open end 20 of the housing 12.
The housing 12 has a number of apertures 28 formed therein. The apertures 28 are preferably circular and may also have a threaded area 30. Further , the apertures 28 are preferably spaced equidistantly around the circumference of the cylindrical member 16. The number of apertures is preferably between 2 and 5.
A plug 32 is adapted to be removably received within an aperture 28. The plug 32 preferably has a threaded area 34 which may be screwed into the threaded section 30 of the aperture 28. However, the plug 32 can be removably received within the aperture 28 by other suitable means such as preferably press fit, twist fit, snap on or clip on means. In Figure lc, an electrical conduit 36 may be adapted to be removably received within an aperture 28. The electrical conduit 36 has an end 37 which is preferably threaded so as to be adapted to screw into the apertures 28 of the housing 12. However, the electrical conduit may also be removably received by other suitable means such as was described hereinabove for the plug 32.
In Figures 2 and 3, there is shown a cap 14 which is preferably a circular disc having an outer edge 38. The outer edge 38 is adapted to be removably received in the open end 20 of the housing 12. The cap 14 preferably has an outer edge 38 which is threaded so that the cap 14 can be engaged with the threaded section 26 of the housing 12. However, the cap 14 may also be removably received in the open end 20 of the housing 12 by way of a snap fit, clip on , press fit , twist fit or any other suitable means for removably receiving the cap 14 from the open end 20 of the housing 12.
The cap 14 has a number of circular perforations 40 which extend through the cap 14 and are preferably spaced apart. The cap 14 also may have a slot 42 which extends through the cap 14 to form a slotted aperture. The cap 14 may also have a recessed inner face 44 as shown in Figure 2.
In use, the cap 14 is attached to the formwork for concrete as shown in the accompanying drawings.
In Figure 5, preferably, the cap 14 is attached to the concrete formwork by screwing, nailing or bolting the cap 14 to the concrete formwork. The screws, nails or bolts are typically passed through the circular perforations 40.
In Figure 6, the open end 20 of the housing 12 is then screwed onto the cap 14 by way of engaging the threaded section 26 with the threaded outer edge 38 of the cap 14. Thus, the housing 12 is secured in position since the cap 14 is screwed, nailed or bolted to the formwork and the housing 12 is threadedly engaged with the cap 14. Consequently, the housing 12 will not be moved or displaced by knocks it may receive on the work site. The housing 12 contains apertures 28 with plugs 32 inserted therein. As shown in Figure 7, when it is desired to fit an electrical conduit 36 to the housing 12, a plug 32 is removed. An electrical conduit is typically engaged into the aperture 28 by way of threadedly engaging a threaded end 37 of the conduit with the threaded area 30 of the aperture 28. The aperture 28 provides a convenient means for electricians to install an electrical conduit 36 for wiring between a plurality of down lights to be installed in a concrete ceiling.
Concrete is then poured onto the formwork and allowed to set. The cap 14 prevents any concrete from entering the open end 20 of the housing 12. Also, the plugs 32 prevent any concrete from entering through the apertures 28. Furthermore, the electrical conduit 36, if engaged within an aperture 28 will prevent concrete from entering the housing 12. After the concrete is set, the concrete formwork is removed. The cap 14 is removed from the housing 12 by way of screwing, twisting or pulling the cap 14 from the open end 20 of the housing 12. The slot 42 also provides a means for assisting the removal of the cap 14 from the housing 12. A suitable levering member (not shown) can engage within the slot 42 to provide extra torque in screwing or twisting the cap 14 and hence facilitate removal of the cap 14 . Otherwise, the levering member may be used to simply remove the cap 14 by pulling the cap 14 out of the housing 12. This is more appropriate when the cap 14 is attached to the housing 12 by way of a snap on, clip on or press fit mechanism. As shown in Figure 8, after the cap 14 is removed from the housing 12, a conventional down light 50 is installed . The down light 50 is preferably removably attached to the inner wall 24 of the housing 12 by way of a snap on or clip on means. However, other suitable removable attachment means for the down light 50 can be utilised. Once the cap has been removed, the canister 12 forms a convenient aperture for the installation of a down light 50 therein. The housing 12 has the advantage that an electrical conduit 36 is already present, and further there are a number of apertures 28 spaced around the circumference so that an electrician has a choice in which direction the electrical conduit can be installed.
In Figure 4, there is shown a housing 12 installed in situ. The housing 12 is embedded in set concrete 48. The down light 50 is installed by way of known means, the down light 50 is installed in the housing 12 and connected to a number of wires 52 which are provided previously for in the electrical conduit 36.
A transformer (not shown) can be positioned either within the housing 12 or at a position exterior to the housing 12. The transformer is typically positioned at a position which is at a distance away from the housing 12. However, it is envisaged that a transformer may be positioned within the housing 12.
As shown in Figures 9 and 9a, a fitting member 54 is removably attached to the open end 20 of the housing 12. This fitting member 54 includes a means 55 for removably attaching the fitting member 54 to the open end 20. The fitting member 54 has an upright wall 56 which is spaced at a distance 58 towards the centre of the housing 12 from the inner wall 24. The fitting member 54 also has a lower rim 60 which is attached to the upright wall 56. The fitting member 54 is attached to the housing 12 to allow smaller down lights 50 to be inserted therein. The distance 58 between the upright wall 56 and the inner wall 24 may be varied to allow different sized down or flush lights to be installed therein. The fitting member 54 preferably has a removably attachable means 55 which is threaded. Hence, the means 55 can be threadedly engaged with the threaded section 26. Modifications and variations such as would be apparent to a skilled addressee are deemed to be within the scope of the present invention.

Claims

1. An apparatus for a down light installation characterised by including a housing having an open end and a closed end, a cap which is arranged to be connected to a formwork for concrete, the cap further being releasably engaged with the open end of the housing.
2. An apparatus according to claim 1 characterised in that the housing is in a shape of a canister.
3. An apparatus according to claim 1 or 2 characterised in that the housing has at least one aperture formed therein.
4. An apparatus according to claim 3 characterised in that the number of apertures is between 2 and 5.
5. An apparatus according to claims 3 or 4 characterised in that the apertures are circular in shape and include a threaded section.
6. An apparatus according to claims 3 to 5 characterised in that a plug is removably received within one or more of the apertures.
7. An apparatus according to anyone of the preceding claims characterised in that the cap includes a plurality of perforations arranged to receive fixing means.
8. An apparatus according to anyone of the preceding claims characterised in that each cap includes a slot arranged to receive a levering member for removal of the cap from the housing.
9. An apparatus according to claim 6 or 7 characterised in that the cap includes an outer edge which is threaded and adapted to be removably received within the open end of the housing.
10. An apparatus according to anyone of the preceding claims, characterised in that an electrical conduit is removably received within an aperture of the housing.
11. An apparatus according to anyone of the preceding claims characterised in that a fitting member is attached to the housing to allow different sized lights to be installed.
12. A method of installing a down light in formed concrete characterised by; a) fixing a cap to a formwork for concrete; b) removably attaching a housing having an open end and a closed end to the fixed cap; then c) pouring concrete onto the formwork; d) allowing the concrete to set; and e) then removing the formwork; f) then removing the cap from the housing; and then installing a down light into the housing.
13. A method of installing a down light in formed concrete according to claim 11 characterised in that the housing is in the shape of a canister.
14. A method of installing a down light in formed concrete according to claim 11 or 12 characterised in that the housing has at least one aperture formed therein.
15. A method of installing a down light in formed concrete according to claim 13 characterised in that a plug is removably received within an aperture.
16. A method of installing a down light in formed concrete according to claim 13 characterised in that an electrical conduit is removably received within an aperture of the housing.
PCT/AU1995/000503 1994-09-30 1995-08-16 Apparatus for down light installation WO1996010714A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU31583/95A AU697728B2 (en) 1994-09-30 1995-08-16 Apparatus for down light installation

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPM8555 1994-09-30
AUPM8555A AUPM855594A0 (en) 1994-09-30 1994-09-30 Apparatus for down light installation

Publications (1)

Publication Number Publication Date
WO1996010714A1 true WO1996010714A1 (en) 1996-04-11

Family

ID=3783074

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1995/000503 WO1996010714A1 (en) 1994-09-30 1995-08-16 Apparatus for down light installation

Country Status (2)

Country Link
AU (1) AUPM855594A0 (en)
WO (1) WO1996010714A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0972985A3 (en) * 1998-07-17 2000-04-12 ERCO Leuchten GmbH Lamp housing for embedment in a concrete construction element, in particular in a concrete ceiling
GR990100031A (en) * 1999-01-28 2000-09-29 Prefabricated moulds (boxes) for creating concrete receptions to the ceiling plate for accomodation light spots and their switching mechanisms
GB2374645A (en) * 2001-04-19 2002-10-23 Lionel Guy Martin Temporary elongate plug for a conduit
EP3505707A1 (en) 2017-12-27 2019-07-03 Segmentum Enterprise GmbH Set of devices and method for producing a functional area in a component comprised of a pourable and curable building material
IT202100026462A1 (en) * 2021-10-15 2023-04-15 Adriano Erminio PELLICIOLI SUPPORT DEVICE FOR LAMP HOLDER

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624662A1 (en) * 1987-12-09 1989-06-16 Bonvalot Gerard Electrical connection box
DE4312661A1 (en) * 1993-04-20 1994-10-27 Kaiser Gmbh & Co Kg Hollow body for concrete construction installation

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2624662A1 (en) * 1987-12-09 1989-06-16 Bonvalot Gerard Electrical connection box
DE4312661A1 (en) * 1993-04-20 1994-10-27 Kaiser Gmbh & Co Kg Hollow body for concrete construction installation

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0972985A3 (en) * 1998-07-17 2000-04-12 ERCO Leuchten GmbH Lamp housing for embedment in a concrete construction element, in particular in a concrete ceiling
GR990100031A (en) * 1999-01-28 2000-09-29 Prefabricated moulds (boxes) for creating concrete receptions to the ceiling plate for accomodation light spots and their switching mechanisms
GB2374645A (en) * 2001-04-19 2002-10-23 Lionel Guy Martin Temporary elongate plug for a conduit
EP3505707A1 (en) 2017-12-27 2019-07-03 Segmentum Enterprise GmbH Set of devices and method for producing a functional area in a component comprised of a pourable and curable building material
IT202100026462A1 (en) * 2021-10-15 2023-04-15 Adriano Erminio PELLICIOLI SUPPORT DEVICE FOR LAMP HOLDER

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