EP3234272A1 - Drywall profile for drywall constructions having at least one separate intermediate layer of plasterboards - Google Patents

Drywall profile for drywall constructions having at least one separate intermediate layer of plasterboards

Info

Publication number
EP3234272A1
EP3234272A1 EP14827734.6A EP14827734A EP3234272A1 EP 3234272 A1 EP3234272 A1 EP 3234272A1 EP 14827734 A EP14827734 A EP 14827734A EP 3234272 A1 EP3234272 A1 EP 3234272A1
Authority
EP
European Patent Office
Prior art keywords
drywall
plasterboards
profile
perforations
intermediate layer
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
EP14827734.6A
Other languages
German (de)
French (fr)
Other versions
EP3234272B1 (en
Inventor
Bartu GÖKÇORA
Harun ÇELIK
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.)
Knauf Gips KG
Original Assignee
Knauf Gips KG
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 Knauf Gips KG filed Critical Knauf Gips KG
Publication of EP3234272A1 publication Critical patent/EP3234272A1/en
Application granted granted Critical
Publication of EP3234272B1 publication Critical patent/EP3234272B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/76—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal
    • E04B2/78—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips
    • E04B2/7854—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile
    • E04B2/789—Removable non-load-bearing partitions; Partitions with a free upper edge with framework or posts of metal characterised by special cross-section of the frame members as far as important for securing wall panels to a framework with or without the help of cover-strips of open profile of substantially U- or C- section
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
    • E04C3/07—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web at least partly of bent or otherwise deformed strip- or sheet-like material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
    • E04B2/74—Removable non-load-bearing partitions; Partitions with a free upper edge
    • E04B2/7407—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts
    • E04B2/7409—Removable non-load-bearing partitions; Partitions with a free upper edge assembled using frames with infill panels or coverings only; made-up of panels and a support structure incorporating posts special measures for sound or thermal insulation, including fire protection
    • E04B2/7414—Posts or frame members with projections for holding sound or heat insulating fillings
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
    • E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
    • E04C2003/0473—U- or C-shaped
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C3/00—Structural elongated elements designed for load-supporting
    • E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
    • E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
    • E04C3/08—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders
    • E04C3/09—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with apertured web, e.g. with a web consisting of bar-like components; Honeycomb girders at least partly of bent or otherwise deformed strip- or sheet-like material

Definitions

  • Drywall profile for drywall constructions having at least one separate
  • the invention relates to a drywall profile for drywall constructions having at least one separate intermediate layer of plasterboards and in particular to a drywall comprising a sub-construction with such a drywall according to the respective independent claim.
  • Drywall profiles according to the invention can be used for building drywalls as well as self-supporting ceilings.
  • the invention relates to the specific aspect, the attachment of the plasterboard to the drywall profile in constructions with three separate layers of plasterboards.
  • the sub-construction of drywalls is installed by use of several drywall profiles as a bottom profile and a ceiling profile which are respectively fixed to the floor or to the ceiling.
  • Stand profiles are connected to the bottom profile and to the ceiling profile and are arranged in a predetermined distance to allow for attaching plasterboards thereon.
  • Standard drywall profiles have a base portion at which a first flange and parallel thereto a second flange is formed.
  • the first flange portion and the second flange portion are metal stripes which form parallel extending outer mounting surfaces.
  • the flange sections are fixed to the base sections so as have a rectangular angle. Hence, outer mounting surfaces are provided to which the plasterboard is attached with drywall screws.
  • the plasterboards are attached to the first and second flange at both sides of the profile.
  • a drywall profile for drywall constructions with at least one separate intermediate layer of plasterboards.
  • the drywall profile comprises a profile section having a base portion at which a first flange and parallel thereto a second flange are formed so that the base portion, the first flange and the second flange are arranged in a u-shaped manner.
  • the base portion comprises at least two pairwise arranged perforations, each of which forming a bendable portion capable of being bent out in a manner to form an abutting flap. Both abutting flaps extend parallel in a distance to allow for arranging a plasterboard of an intermediate layer of plasterboards in between thereof.
  • the drywall profile according to the invention allows for arranging at the base portion thereof a separate intermediate layer of plasterboards.
  • the advantages known from a double profile drywall construction are achieved with only installing a sub- construction comparable to a single stud drywall sub-construction in regard to labor time and space consume.
  • Two parallel abutting flaps are formed to be capable of to clamp the plasterboard of the intermediate layer of plasterboards in between of both. No further separate fixing means (i.e. screw) is needed. That is in particular of advantage for attaching the plasterboard of the intermediate layer of plasterboards to the side of the drywall profile to which the first and second flange protrude.
  • the first and the second flange prevent the use of screws for attaching the plasterboard to the profile insofar as no screw driver can be applied.
  • the applied screw driver would physically interfere with the flange of the profile.
  • u-shaped is to be understood broadly as to include any cross section with parallel extending mounting surfaces.
  • the base portion comprises two pairs of two pairwise arranged perforations which are arranged in a distance to allow for that the plasterboard of the intermediate layer of plasterboards is fixed in the longitudinal direction of the drywall profile.
  • the most robust fastening of the plasterboard to the drywall profile is achieved when the first of the two pairs of two pairwise arranged perforations (and thus, the abutting flap) is arranged close to the bottom and the second perforation of first of the two pairs of two pairwise arranged perforations is arranged close to the ceiling so that there is a maximum distance in between.
  • a further perforation is arranged at the base portion in the longitudinal direction of the drywall profile adjacent to the at least two pairwise arranged perforations so that the plasterboard of the intermediate layer of plasterboards can be additionally fixed.
  • the further perforation allows forming a single abutting flap to which the plasterboard can be additionally attached by screws or an adhesive.
  • two further perforations are arranged along the longitudinal direction at the base portion adjacent to the at least two pairwise arranged perforations.
  • One of the two further perforations is arranged in a first direction from the at least two pairwise arranged perforations and the other one of the two further perforations is arranged in a second direction, opposite to the first direction, from the at least two pairwise arranged perforations.
  • Both further perforations allow forming a further abutting flap.
  • Both further abutting flaps can be bent in the opposite direction from the base portion so as to extend in the opposite direction compared to the pairwise arranged abutting flaps to allow for attaching the next plasterboard to the profile.
  • the perforations are of a c-shape and/or a rectangular shape.
  • the abutting flaps are bent out by bending the bendable portion (preferably on site during application) around a bending axis extending between both ends of each perforation in the longitudinal direction of the drywall profile.
  • the perforation comprises an in-cut portion at both ends thereof. The in-cut portion extends in the direction of the bending axis. The in-cut portion prevents that the perforation tears into the base portion when the bendable portion ' is bent out to form the abutting flap.
  • the distance between two pairwise arranged perforations is such that the distance between parallel extending abutting flaps (bent out bendable portions formed by the perforations) is 12, 5 mm and if the abutting flap has a height of 25 mm from the base portion and of a length of 52 mm in the longitudinal dimension of the base portion.
  • the invention relates to a drywall comprising a sub-structure with drywall profiles arranged in a horizontal and vertical manner.
  • the horizontal profiles are fixed to the floor and the ceiling and the vertical profiles are fixed to the horizontal profiles, wherein the vertical profiles are drywall profiles as described here-above.
  • This drywall allows arranging three separate layers of plasterboards with one separate intermediate layer of plasterboards.
  • the dry wall comprises at least one first outer layer of plasterboards attached to a first flange of the drywall profile and at least one second outer layer of plasterboards arranged to a second flange of the drywall profile.
  • the drywall comprises an intermediate layer of plasterboards fixed to abutting flaps bent out of the base portion of the drywall profile.
  • the drywall further comprises in between of the at least one first outer layer of plasterboards and the intermediate layer of plasterboards as well as in between of the at least one second outer layer of plasterboards and the intermediate layer of plasterboards an insulation material.
  • the insulation material of a material to provide acoustic and fire protection of the system can be a thermal insulating material such as mineral wool types or the like.
  • the drywall comprises in between of the at least one first outer layer of plasterboards and the intermediate layer of plasterboards as well as in between of the at least one second outer layer of plasterboards and the intermediate layer of plasterboards a cable duct. Cables for installation can be arranged without a duct but the repair of the cable is easier when they are within a duct.
  • FIG. 1 is a front view of a drywall profile according to an embodiment of the invention
  • Fig. 2 - is cut out sectional view of the stand profile according to the embodiment Fig. 5 of Fig. 1 illustrating different possibilities for bending out the abutting flaps;
  • Fig. 6 is a drywall construction of a separation wall having on separate intermediate layer of plasterboards.
  • Fig. 1 shows a drywall profile 1 for use in a drywall with three layers of plasterboards, wherein a separate intermediate layer of plasterboards is arranged inside.
  • the drywall profile 1 is preferably used as stand profile which is to be fixed below at a bottom profile (not shown) and on top at a Ceiling profile (not shown).
  • the drywall profile 1 comprises a profile section formed from a strip metal with a base portion 2 at which a first flange 31 and parallel thereto a second flange 32 are formed so that base portion 2, first flange 31 (dotted line) and second flange 32 (dotted line) are arranged in a u-shaped cross section.
  • the u shape geometrically defines that the cross- section has parallel extending flanges 31 , 32 which are connected by base portion 2, each flange 31 , 32 comprising at the outer side thereof a mounting surface to which the plasterboards are screwed.
  • Base portion 2 comprises four pairs of pairwise arranged perforations 41 , 42; 61, 62, each perforation forming a bendable portion 5 capable of being bent out to form an abutting flap.
  • Each pair of pairwise arranged perforations 41 , 42; 61 , 62 two further perforations 7, 8 are arranged in the longitudinal direction at base portion 2 adjacent to the at least two pairwise arranged perforations 41 , 42; 61 , 62.
  • One of the two further perforations 7 is arranged in a first direction from the at least two pairwise arranged perforations 41 , 42; 61 , 62 and the other one of the two further perforations 8 is arranged in a second direction, opposite to the first direction, from the at least two pairwise arranged perforations 41 , 42; 61 , 62.
  • bendable portion 5 is not bent out to form an abutting flap as it is shown in Fig. 3 for example.
  • FIG. 2 Fig. 3, Fig. 4 and Fig. 5 different possibilities for bending out the bendable portion 5 to form the abutting flap 9 are illustrated.
  • one abutting flap 9 is bent out by bending the bendable portion (Fig. 2, Ref. 5) around a bending axis extending 11 between both ends of one perforation of the pair of perforations 41 , 42.
  • the bending axis 11 extends in the longitudinal direction of the drywall profile 1.
  • Fig. 4 best exemplifies the advantages of the invention with two parallel abutting flaps 9 having a distance capable of bending a plasterboard in between thereof. This arrangement allows clamping the plasterboard of the intermediate layer of plasterboards in between so that no screw is needed.
  • the first and second flange prevents the use of screws for attaching the plasterboard to the profile insofar as the screw driver would physically interfere with the flange.
  • a drywall 20 according to another aspect of the invention is shown in Fig 6.
  • the single stud drywall allows attaching three separate layers of plasterboards thereon.
  • the intermediate layer of plasterboards 22 is attached to the base portion 2.
  • Stand profiles 1 are connected to the bottom profile 21 and to the ceiling profile (not shown).
  • an insulation material can be arranged in between of the at least one outer layer of plasterboards (not shown) in between of the at least one outer layer of plasterboards (not shown) an insulation material can be arranged.
  • a cable is arranged in the recess formed by bending out the bendable portion to form the abutting flap 9.

Abstract

Drywall profile (1) for drywall constructions with at least one separate intermediate layer of plasterboards. The drywall profile (1) comprising a profile section having a base portion (2) at which a first flange (31) and parallel thereto a second flange (32) are formed so that the base portion (2), the first flange (3)1 and the second flange (32) are arranged in a u-shaped manner. The base portion (2) comprises at least two pairwise arranged perforations (41, 42), each of which forming a bendable portion (5) capable of being bent out in a manner to form an abutting flap, both abutting flaps extend parallel in a distance to allow for to arrange a plasterboard of an intermediate layer of plasterboards in between thereof.

Description

Drywall profile for drywall constructions having at least one separate
intermediate layer of plasterboards
The invention relates to a drywall profile for drywall constructions having at least one separate intermediate layer of plasterboards and in particular to a drywall comprising a sub-construction with such a drywall according to the respective independent claim.
Drywall profiles according to the invention can be used for building drywalls as well as self-supporting ceilings. The invention relates to the specific aspect, the attachment of the plasterboard to the drywall profile in constructions with three separate layers of plasterboards.
The sub-construction of drywalls is installed by use of several drywall profiles as a bottom profile and a ceiling profile which are respectively fixed to the floor or to the ceiling. Stand profiles are connected to the bottom profile and to the ceiling profile and are arranged in a predetermined distance to allow for attaching plasterboards thereon. Standard drywall profiles have a base portion at which a first flange and parallel thereto a second flange is formed. The first flange portion and the second flange portion are metal stripes which form parallel extending outer mounting surfaces. The flange sections are fixed to the base sections so as have a rectangular angle. Hence, outer mounting surfaces are provided to which the plasterboard is attached with drywall screws. The plasterboards are attached to the first and second flange at both sides of the profile. One known field of application for a double stud drywall construction is the separation of power lines what is needed for household insurance in some countries. Those double stud drywalls comprise a sub-construction having in the direction of the wall thickness two parallel drywall profiles compared to the single stud drywall. Therefore, a further under-construction of drywall profiles as well as a further layer of plasterboards is installed. Thus, three separate layers of plasterboards form individual compartments in case of the installation of both sides of the wall needs to be separated.
For example from DE 10 2008 051 696 A1 it is known to provide a double stud profile drywall construction having a sub-construction with stand profiles which are fixed to bottom profiles and ceiling profiles. This drywall construction for a separation wall improves the acoustical properties while preserving good statical properties. However, there still exists a problem in regard to that the separation wall is space consuming. Specifically and principally, since two identical sub-constructions of drywall profiles need to be arranged parallel, the installation is time and, thus, labor consuming.
Therefore, it is an object of the present invention, to provide a drywall profile for drywall constructions having at least one separate intermediate layer of plasterboards with improved properties, in particular, in regard to space consume and the time needed for installation.
According to the invention, the object is solved by a drywall profile for drywall constructions with at least one separate intermediate layer of plasterboards. The drywall profile comprises a profile section having a base portion at which a first flange and parallel thereto a second flange are formed so that the base portion, the first flange and the second flange are arranged in a u-shaped manner. The base portion comprises at least two pairwise arranged perforations, each of which forming a bendable portion capable of being bent out in a manner to form an abutting flap. Both abutting flaps extend parallel in a distance to allow for arranging a plasterboard of an intermediate layer of plasterboards in between thereof.
The drywall profile according to the invention allows for arranging at the base portion thereof a separate intermediate layer of plasterboards. In particular, the advantages known from a double profile drywall construction are achieved with only installing a sub- construction comparable to a single stud drywall sub-construction in regard to labor time and space consume. Two parallel abutting flaps are formed to be capable of to clamp the plasterboard of the intermediate layer of plasterboards in between of both. No further separate fixing means (i.e. screw) is needed. That is in particular of advantage for attaching the plasterboard of the intermediate layer of plasterboards to the side of the drywall profile to which the first and second flange protrude. The first and the second flange prevent the use of screws for attaching the plasterboard to the profile insofar as no screw driver can be applied. The applied screw driver would physically interfere with the flange of the profile. The term "u-shaped" is to be understood broadly as to include any cross section with parallel extending mounting surfaces.
Advantageously, the base portion comprises two pairs of two pairwise arranged perforations which are arranged in a distance to allow for that the plasterboard of the intermediate layer of plasterboards is fixed in the longitudinal direction of the drywall profile. The most robust fastening of the plasterboard to the drywall profile is achieved when the first of the two pairs of two pairwise arranged perforations (and thus, the abutting flap) is arranged close to the bottom and the second perforation of first of the two pairs of two pairwise arranged perforations is arranged close to the ceiling so that there is a maximum distance in between.
It is preferred when a further perforation is arranged at the base portion in the longitudinal direction of the drywall profile adjacent to the at least two pairwise arranged perforations so that the plasterboard of the intermediate layer of plasterboards can be additionally fixed. The further perforation allows forming a single abutting flap to which the plasterboard can be additionally attached by screws or an adhesive.
Preferably, two further perforations are arranged along the longitudinal direction at the base portion adjacent to the at least two pairwise arranged perforations. One of the two further perforations is arranged in a first direction from the at least two pairwise arranged perforations and the other one of the two further perforations is arranged in a second direction, opposite to the first direction, from the at least two pairwise arranged perforations. Both further perforations allow forming a further abutting flap. Both further abutting flaps can be bent in the opposite direction from the base portion so as to extend in the opposite direction compared to the pairwise arranged abutting flaps to allow for attaching the next plasterboard to the profile.
Advantageous aspects are related to that the perforations are of a c-shape and/or a rectangular shape. Preferably, the abutting flaps are bent out by bending the bendable portion (preferably on site during application) around a bending axis extending between both ends of each perforation in the longitudinal direction of the drywall profile. Another aspect relates to that the perforation comprises an in-cut portion at both ends thereof. The in-cut portion extends in the direction of the bending axis. The in-cut portion prevents that the perforation tears into the base portion when the bendable portion' is bent out to form the abutting flap. In regard to the dimensions it is preferred if the distance between two pairwise arranged perforations is such that the distance between parallel extending abutting flaps (bent out bendable portions formed by the perforations) is 12, 5 mm and if the abutting flap has a height of 25 mm from the base portion and of a length of 52 mm in the longitudinal dimension of the base portion.
According to one aspect, the invention relates to a drywall comprising a sub-structure with drywall profiles arranged in a horizontal and vertical manner. The horizontal profiles are fixed to the floor and the ceiling and the vertical profiles are fixed to the horizontal profiles, wherein the vertical profiles are drywall profiles as described here-above. This drywall allows arranging three separate layers of plasterboards with one separate intermediate layer of plasterboards.
Advantageously, the dry wall comprises at least one first outer layer of plasterboards attached to a first flange of the drywall profile and at least one second outer layer of plasterboards arranged to a second flange of the drywall profile. The drywall comprises an intermediate layer of plasterboards fixed to abutting flaps bent out of the base portion of the drywall profile.
Preferably, the drywall further comprises in between of the at least one first outer layer of plasterboards and the intermediate layer of plasterboards as well as in between of the at least one second outer layer of plasterboards and the intermediate layer of plasterboards an insulation material. The insulation material of a material to provide acoustic and fire protection of the system, can be a thermal insulating material such as mineral wool types or the like. More preferably, the drywall comprises in between of the at least one first outer layer of plasterboards and the intermediate layer of plasterboards as well as in between of the at least one second outer layer of plasterboards and the intermediate layer of plasterboards a cable duct. Cables for installation can be arranged without a duct but the repair of the cable is easier when they are within a duct.
In the following, the invention will be described in further detail by means of an example with reference to the drawings, in which Fig. 1 is a front view of a drywall profile according to an embodiment of the invention;
Fig. 2 - is cut out sectional view of the stand profile according to the embodiment Fig. 5 of Fig. 1 illustrating different possibilities for bending out the abutting flaps;
Fig. 6 is a drywall construction of a separation wall having on separate intermediate layer of plasterboards. Fig. 1 shows a drywall profile 1 for use in a drywall with three layers of plasterboards, wherein a separate intermediate layer of plasterboards is arranged inside. The drywall profile 1 is preferably used as stand profile which is to be fixed below at a bottom profile (not shown) and on top at a Ceiling profile (not shown). By use of a drywall profile 1 according to the invention, the advantages known from a double profile drywall constructions can be achieved with only installing a sub-construction comparable to a single stud drywall sub-construction in regard to labor time and space consume.
The drywall profile 1 comprises a profile section formed from a strip metal with a base portion 2 at which a first flange 31 and parallel thereto a second flange 32 are formed so that base portion 2, first flange 31 (dotted line) and second flange 32 (dotted line) are arranged in a u-shaped cross section. The u shape geometrically defines that the cross- section has parallel extending flanges 31 , 32 which are connected by base portion 2, each flange 31 , 32 comprising at the outer side thereof a mounting surface to which the plasterboards are screwed. Base portion 2 comprises four pairs of pairwise arranged perforations 41 , 42; 61, 62, each perforation forming a bendable portion 5 capable of being bent out to form an abutting flap. At each pair of pairwise arranged perforations 41 , 42; 61 , 62 two further perforations 7, 8 are arranged in the longitudinal direction at base portion 2 adjacent to the at least two pairwise arranged perforations 41 , 42; 61 , 62. One of the two further perforations 7 is arranged in a first direction from the at least two pairwise arranged perforations 41 , 42; 61 , 62 and the other one of the two further perforations 8 is arranged in a second direction, opposite to the first direction, from the at least two pairwise arranged perforations 41 , 42; 61 , 62. In the present illustration, bendable portion 5 is not bent out to form an abutting flap as it is shown in Fig. 3 for example.
In Fig. 2, Fig. 3, Fig. 4 and Fig. 5 different possibilities for bending out the bendable portion 5 to form the abutting flap 9 are illustrated. In Fig. 3, one abutting flap 9 is bent out by bending the bendable portion (Fig. 2, Ref. 5) around a bending axis extending 11 between both ends of one perforation of the pair of perforations 41 , 42. The bending axis 11 extends in the longitudinal direction of the drywall profile 1. Fig. 4 best exemplifies the advantages of the invention with two parallel abutting flaps 9 having a distance capable of bending a plasterboard in between thereof. This arrangement allows clamping the plasterboard of the intermediate layer of plasterboards in between so that no screw is needed. This allows attaching the plasterboard of the intermediate layer of plasterboards to the side of the drywall profile to which the first and second flange protrude. The first and second flange prevents the use of screws for attaching the plasterboard to the profile insofar as the screw driver would physically interfere with the flange.
As mentioned in the introductory part, it is known to improve single stud drywall constructions with respect to the function known from double stud drywalls. One field of application is separation of flats in a multi-party house of which flats share a common wall. The drywall according to the invention provides individual separate compartments, e.g. for the separate installation of power lines. A drywall 20 according to another aspect of the invention is shown in Fig 6. The single stud drywall allows attaching three separate layers of plasterboards thereon. The intermediate layer of plasterboards 22 is attached to the base portion 2. In the present illustration one separate intermediate layer of plasterboards 22 is shown. Stand profiles 1 are connected to the bottom profile 21 and to the ceiling profile (not shown). In between of the at least one outer layer of plasterboards (not shown) an insulation material can be arranged. In the present example a cable is arranged in the recess formed by bending out the bendable portion to form the abutting flap 9.

Claims

Claims
Drywall profile (1 ) for drywall constructions having at least one separate intermediate layer of plasterboards, the drywall profile (1 ) comprising a profile section having a base portion (2) at which a first flange (31 ) and parallel thereto a second flange (32) are formed so that the base portion (2), the first flange (31 ) and the second flange (32) are arranged in a u-shaped cross section, wherein the base portion (2) comprises at least two pairwise arranged perforations (41 , 42), each of which forming a bendable portion (5) capable of being bent out in a manner to form an abutting flap (9), both abutting flaps (9) extend parallel in a distance to allow for to arrange a plasterboard of an intermediate layer of plasterboards in between thereof.
Drywall profile (1 ) according to claim 1 , wherein the base portion (2) comprises two pairs of two pairwise arranged perforations (41 , 42, 61 , 62) which are arranged in a distance to allow for that the plasterboard of the intermediate layer of plasterboards is fixed in the longitudinal direction of the drywall profile (1 ).
3. Drywall profile (1 ) according to claim 1 or 2, wherein a further perforation (7; 8) is arranged at the base portion (2) in the longitudinal direction of the drywall profile (1) adjacent to the at least two pairwise arranged perforations (41 , 42) so that the plasterboard of the intermediate layer of plasterboards can be additionally fixed.
4. Drywall profile (1 ) according to any one of the preceding claims, wherein two further perforations (7, 8) are arranged along the longitudinal direction at the base portion (2) adjacent to the at least two pairwise arranged perforations (41 , 42), one of the two further perforations (7) is arranged in a first direction from the at least two pairwise arranged perforations (41 , 42) and the other one of the two further perforations (8) is arranged in a second direction, opposite to the first direction, from the at least two pairwise arranged perforations (41 , 42).
5. Drywall profile (1) according to any one of the preceding claims, wherein the perforations (41 , 42, 7, 8) are formed in a c-shape.
6. Drywall profile (1) according to any one of the preceding claims, wherein the perforations (41 , 42, 7, 8) are of a rectangular shape.
7. Drywall profile (1) according to any one of the preceding claims, wherein the abutting flaps (9) are bent out by bending the bendable portion (5) around a bending axis extending (1 1) between both ends of each perforation (41 , 42, 7, 8) in the longitudinal direction of the drywall profile (1 ).
8. Drywall profile (1) according to any one of the preceding claims, wherein the perforation (41 , 42, 7, 8) comprises an in-cut portion (10) at both ends thereof, the in-cut portion (10) extending in the direction of the bending axis (11).
9. Drywall profile (1) according to any one of the preceding claims, wherein the distance between two pairwise arranged perforations (41 , 42) is such that the distance between parallel extending abutting flaps (9) is 12, 5 mm.
10. Drywall profile (1) according to any one of the preceding claims, wherein the abutting flap (9) has a height of 25 mm and of a length of 52 mm.
1 1. Drywall comprising a sub-structure with drywall profiles arranged in a horizontal and vertical manner so that the horizontal profiles are fixed to the floor and the ceiling and the vertical profiles are fixed to the horizontal profiles, wherein the vertical profiles are drywall profiles (1 ) according to any one of the proceeding claims.
12. Drywall according to claim 11 , wherein the dry wall comprises at least one first outer layer of plasterboards attached to a first flange (31 ) of the drywall profile (1 ) and at least one second outer layer of plasterboards arranged to a second flange (32) of the drywall profile (1), and wherein the drywall comprises an intermediate layer of plasterboards fixed to abutting flaps (9) arranged to the base (2) of the drywall profile (1 ). Drywall according to claim 12, further comprising in between of the at least one first outer layer of plasterboards and the intermediate layer of plasterboards as well as in between of the at least one second outer layer of plasterboards and the intermediate layer of plasterboards ah insulation material.
Drywall according to claim 12 or 13, further comprising in between of the at least one first outer layer of plasterboards and the intermediate layer of plasterboards as well as in between of the at least one second outer layer of plasterboards and the intermediate layer of plasterboards a cable duct.
EP14827734.6A 2014-12-17 2014-12-17 Drywall having at least one separate intermediate layer of plasterboards Active EP3234272B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2014/003392 WO2016095937A1 (en) 2014-12-17 2014-12-17 Drywall profile for drywall constructions having at least one separate intermediate layer of plasterboards

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EP3234272A1 true EP3234272A1 (en) 2017-10-25
EP3234272B1 EP3234272B1 (en) 2022-05-04

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JP6791146B2 (en) * 2015-09-01 2020-11-25 Ａｇｃ株式会社 Fluorine-containing ether compounds, fluorine-containing ether compositions, coating liquids and articles
US20230008578A1 (en) * 2019-12-16 2023-01-12 Knauf Gips Kg Drywall as Well as a Kit and a Method for Constructing a Drywall
USD1021151S1 (en) 2021-04-26 2024-04-02 Jaimes Industries, Inc. Framing member

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EP3234272B1 (en) 2022-05-04
JP6387189B2 (en) 2018-09-05
JP2017538054A (en) 2017-12-21
WO2016095937A1 (en) 2016-06-23

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