CA2639760A1 - Profile - Google Patents
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- Publication number
- CA2639760A1 CA2639760A1 CA002639760A CA2639760A CA2639760A1 CA 2639760 A1 CA2639760 A1 CA 2639760A1 CA 002639760 A CA002639760 A CA 002639760A CA 2639760 A CA2639760 A CA 2639760A CA 2639760 A1 CA2639760 A1 CA 2639760A1
- Authority
- CA
- Canada
- Prior art keywords
- profile
- thickness
- rolling stock
- region
- bend
- 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.)
- Abandoned
Links
Classifications
-
- 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
- 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
- E04C2003/0408—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 assembly or the cross-section
- E04C2003/0421—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 assembly or the cross-section comprising one single unitary part
-
- 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
- E04C2003/0426—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 material distribution in cross section
- E04C2003/0434—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 material distribution in cross section the open cross-section free of enclosed cavities
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Metal Rolling (AREA)
Abstract
A profile formed of a strip-shaped rolling stock and including at least one thickness-reduced section (16) having a thickness (D) that is smaller than the initial material thickness (W) of the rolling stock, at least one bend (17;
18), and at least one thickened region (21, 22) provided in a region of the at least one bend (17, 18) and having a material thickness (H) greater than the initial material thickness (W) of the rolling stock the profile (11) is formed of.
18), and at least one thickened region (21, 22) provided in a region of the at least one bend (17, 18) and having a material thickness (H) greater than the initial material thickness (W) of the rolling stock the profile (11) is formed of.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention The present invention relates to a profile formed of a strip-shaped rolling stock having an initial material thickness and including at least one thickness-reduced section having a thickness that is smaller than the initial material thickness of the rolling stock, and at least one bend.
1. Field of the Invention The present invention relates to a profile formed of a strip-shaped rolling stock having an initial material thickness and including at least one thickness-reduced section having a thickness that is smaller than the initial material thickness of the rolling stock, and at least one bend.
2. Description of the Prior Art Profiles, such as used, e.g., in the mounting or installation technology, are produced, e.g., from a strip-shaped rolling stock by deformation in a rolling plant. The profiles can have a round, polygonal, or C-shaped cross-section.
In order to reduce the costs of a material, U.S. Patent No. 4,233,833 suggests, e.g., to reduce thickness of at least one section of the rolling stock so that the material thickness in the thickness-reduced region is smaller than the initial material thickness of the strip-shaped rolling stock. With the thickness reduction, which is carried out by a cold rolling process, the strip-shaped rolling 2655586.1 stock widens in the width direction so that the width of the thickness-reduced section is greater than the initial width of the strip-shaped rolling stock.
When a desired profile is formed of a sectionwise-deformed rolling stock, the at least one thickness-reduced section of the rolling stock is so arranged that it is located in a statistically little loaded region, e.g., adjacent to the neutral line in the primarily loaded directions of the profile. The thickness-reduced section of the rolling stock extends along the longitudinal axis of the produced profile.
The drawback of the proposed solution consists in that in order to optimally use the material-saving effect, as large as possible thickness reduction is desired.
The local thinning of the rolling stock, however, can lead to the loss of stiffness, which limits the maximal possible reduction of the thickness.
Accordingly, an object of the present invention is to provide a profile which is formed of a strip-shaped rolling stock and which is optimized both with regard to saving of material and with regard to stiffness.
2655586.1 SUMMARY OF THE INVENTION
This and other objects of the present invention, which will become apparent hereinafter, are achieved by providing at least one thickened region in a region of the at least one bend and which has a material thickness greater than the initial material thickness of the rolling stock the profile is formed of.
By the arrangement of the at least one thickened region in the region of the bend, i.e., in or at the bend of the profile, the stiffness of the profile in a high-loaded region of the material-optimized profile is improved. The inventive profile characterized, at a contour comparable with the contour of a profile formed of a strip-shaped rolling stock having a constant thickness, by a small increase of the used material, with the loss of stiffness, which is caused by thickness reduction, being compensated at least partially by the at least one thickened region or by resulted increase of local stiffness of the profile. If necessary, the stiffness of the produced profile can even be increased in comparison with a profile formed of a strip-shaped material with a constant thickness. The at least one thickened region is formed by material accumulation and is formed, during formation of the thickness-reduced section, 2655586.1 with correspondingly formed rolls during the cold rolling process in the same rolling step.
Advantageously, thickened regions are provided on both sides of at least one thickness-reduced section. If the profile has more than one thickness-reduced regions, advantageously, thickened regions or material accumulations are provided on both sides of each thickness-reduced section. The material accumulations, e.g., are provided on one or both sides of the strip-shaped rolling stock and, thus, on both sides of the deformed profile formed therefrom.
Advantageously, the at least one thickened region.is provided adjacent to the at least one bend. This enables a simple deformation of the strip-shaped rolling stock and, at the same time, improves the stiffness of the profile despite the presence of a thickness-reduced section.
The inventive profile has side walls enclosing, a.t least partially, a hollow space, with the at least one thickened region being advantageously located adjacent to the hollow space. Thus, the at least one thickness region does not project outwardly of the profile, so that the function or the arrangement of the profile is not limited by the thickened region-forming material accumulation.
In order to reduce the costs of a material, U.S. Patent No. 4,233,833 suggests, e.g., to reduce thickness of at least one section of the rolling stock so that the material thickness in the thickness-reduced region is smaller than the initial material thickness of the strip-shaped rolling stock. With the thickness reduction, which is carried out by a cold rolling process, the strip-shaped rolling 2655586.1 stock widens in the width direction so that the width of the thickness-reduced section is greater than the initial width of the strip-shaped rolling stock.
When a desired profile is formed of a sectionwise-deformed rolling stock, the at least one thickness-reduced section of the rolling stock is so arranged that it is located in a statistically little loaded region, e.g., adjacent to the neutral line in the primarily loaded directions of the profile. The thickness-reduced section of the rolling stock extends along the longitudinal axis of the produced profile.
The drawback of the proposed solution consists in that in order to optimally use the material-saving effect, as large as possible thickness reduction is desired.
The local thinning of the rolling stock, however, can lead to the loss of stiffness, which limits the maximal possible reduction of the thickness.
Accordingly, an object of the present invention is to provide a profile which is formed of a strip-shaped rolling stock and which is optimized both with regard to saving of material and with regard to stiffness.
2655586.1 SUMMARY OF THE INVENTION
This and other objects of the present invention, which will become apparent hereinafter, are achieved by providing at least one thickened region in a region of the at least one bend and which has a material thickness greater than the initial material thickness of the rolling stock the profile is formed of.
By the arrangement of the at least one thickened region in the region of the bend, i.e., in or at the bend of the profile, the stiffness of the profile in a high-loaded region of the material-optimized profile is improved. The inventive profile characterized, at a contour comparable with the contour of a profile formed of a strip-shaped rolling stock having a constant thickness, by a small increase of the used material, with the loss of stiffness, which is caused by thickness reduction, being compensated at least partially by the at least one thickened region or by resulted increase of local stiffness of the profile. If necessary, the stiffness of the produced profile can even be increased in comparison with a profile formed of a strip-shaped material with a constant thickness. The at least one thickened region is formed by material accumulation and is formed, during formation of the thickness-reduced section, 2655586.1 with correspondingly formed rolls during the cold rolling process in the same rolling step.
Advantageously, thickened regions are provided on both sides of at least one thickness-reduced section. If the profile has more than one thickness-reduced regions, advantageously, thickened regions or material accumulations are provided on both sides of each thickness-reduced section. The material accumulations, e.g., are provided on one or both sides of the strip-shaped rolling stock and, thus, on both sides of the deformed profile formed therefrom.
Advantageously, the at least one thickened region.is provided adjacent to the at least one bend. This enables a simple deformation of the strip-shaped rolling stock and, at the same time, improves the stiffness of the profile despite the presence of a thickness-reduced section.
The inventive profile has side walls enclosing, a.t least partially, a hollow space, with the at least one thickened region being advantageously located adjacent to the hollow space. Thus, the at least one thickness region does not project outwardly of the profile, so that the function or the arrangement of the profile is not limited by the thickened region-forming material accumulation.
2655586.1 Advantageously, the material thickness of the at least one thickened region corresponds to 1.1-2 times of the initial material thickness of the rolling stock the profile is formed of. This insures an advantageous improvement of the stiffness of the material-optimized profile.
Advantageously, the at least one thickened region has a material width in a direction transverse to a longitudinal axis of the profile and corresponding to 1.0-5.0 times of the initial material width of the rolling stock the profile is formed of. This likewise insures an advantageous improvement of the stiffness of the material-optimized profile.
The novel features of the present invention, which are considered as characteristic for the invention, are set forth in the appended claims. The invention itself, however, both as to its construction and its mode of operation, together with additional advantages and objects thereof, will be best understood from the following detailed description of preferred embodiment, when read with reference to the accompanying drawings.
2655586.1 BRIEF DESCRIPTION OF THE DRAWINGS:
The drawings. show:
Fig. 1 a cross-sectional view of a profile according to the present invention; and Fig. 2 a cross-sectional view of a section of the profile shown in Fig. 1 in the region of material accumulation at an increased, in comparison with Fig. 1, scale.
DETAILED DESCRIPTION OF
THE PREFERRED EMBODIMENT
A profile 11 according to the present invention, which is shown in Figs. 1-2, has a C-shaped cross-section with two, extending parallel to each other, side walls 12 and a connection section 13 that connects the two side walls 12 with each other. A bend 17 is provided between each of the side walls 12 and the connection section 13. The free ends 14 of the side walls 12 are bent inward and, thus, have each a bend 18. The side walls 12 partially enclose a hollow space 19. The profile 11 extends along a longitudinal axis 15.
2655586.1 The profile 11 is formed of a strip-shaped rolling stock with an initial material thickness W and has two thickness-reduced sections 16 in the two side walls 12, respectively. The thickness-reduced sections 16 have a material thickness D
that is smaller than the initial material thickness W. On opposite sides of each of the thickness-reduced sections 16, there are provided thickened regions 21, 22, respectively, which are formed by material accumulation and have a material thickness H and a material width B. The thickened regions 21, 22 extend transverse to the longitudinal axis 15 of the profile 11. The material thickness H of the thickened regions 21 and 22 is greater than the initial material thickness W of the strip-shaped rolling stock. The thickened regions 21, 22 are located adjacent to the hollow space 19 and extend along the longitudinal axis 15 of the profile 11. The thickened region 21 in the region of the bend 17 of the profile 11 is located directly in the bend 17. The thickened region 22 is located, in the region of the bend 18 of the profile 11, directly adjacent to the bend 18.
The material thickness H of the thickened regions 21, 22 corresponds to 1.1-2.0 times of the initial thickness W of the strip-shaped rolling stock. The material width B of the thickened regions 21, 22 corresponds to 1.0-5.0 times of the 2655586.1 initial material thickness W of the rolling stock. The thickened regions 21, are arranged between the thickness-reduced section 16 and the bends 17 and 18, respectively, with the thickened regions 22 being arranged adjacent to the bends 18, respectively.
In Fig. 1, the thickened regions 21, 22 are arranged symmetrically on the profile 11. However, this is not absolutely necessary for improvement of stiffness of a material-optimized profile 11. The thickened regions 21, 22, which are arranged on the side wall 12 and/or are located opposite each other, can have different dimensions or be arranged unsymmetrically. Further, it is not necessary that all of the thickened regions extend in the same direction. As shown schematically with dash lines, thickened regions 23 can extend outwardly, i.e., remotely from the hollow space 19.
Though the present invention was shown and described with references to the preferred embodiment, such is merely illustrative of the present invention and is not to be construed as a limitation thereof and various modifications of the present invention will be apparent to those skilled in the art. It is therefore not intended that the present invention be limited to the disclosed embodiment or 2655586.1 details thereof, and the present invention includes all variations and/or alternative embodiments within the spirit and scope of the present invention as defined by the appended claims.
2655586.1
Advantageously, the at least one thickened region has a material width in a direction transverse to a longitudinal axis of the profile and corresponding to 1.0-5.0 times of the initial material width of the rolling stock the profile is formed of. This likewise insures an advantageous improvement of the stiffness of the material-optimized profile.
The novel features of the present invention, which are considered as characteristic for the invention, are set forth in the appended claims. The invention itself, however, both as to its construction and its mode of operation, together with additional advantages and objects thereof, will be best understood from the following detailed description of preferred embodiment, when read with reference to the accompanying drawings.
2655586.1 BRIEF DESCRIPTION OF THE DRAWINGS:
The drawings. show:
Fig. 1 a cross-sectional view of a profile according to the present invention; and Fig. 2 a cross-sectional view of a section of the profile shown in Fig. 1 in the region of material accumulation at an increased, in comparison with Fig. 1, scale.
DETAILED DESCRIPTION OF
THE PREFERRED EMBODIMENT
A profile 11 according to the present invention, which is shown in Figs. 1-2, has a C-shaped cross-section with two, extending parallel to each other, side walls 12 and a connection section 13 that connects the two side walls 12 with each other. A bend 17 is provided between each of the side walls 12 and the connection section 13. The free ends 14 of the side walls 12 are bent inward and, thus, have each a bend 18. The side walls 12 partially enclose a hollow space 19. The profile 11 extends along a longitudinal axis 15.
2655586.1 The profile 11 is formed of a strip-shaped rolling stock with an initial material thickness W and has two thickness-reduced sections 16 in the two side walls 12, respectively. The thickness-reduced sections 16 have a material thickness D
that is smaller than the initial material thickness W. On opposite sides of each of the thickness-reduced sections 16, there are provided thickened regions 21, 22, respectively, which are formed by material accumulation and have a material thickness H and a material width B. The thickened regions 21, 22 extend transverse to the longitudinal axis 15 of the profile 11. The material thickness H of the thickened regions 21 and 22 is greater than the initial material thickness W of the strip-shaped rolling stock. The thickened regions 21, 22 are located adjacent to the hollow space 19 and extend along the longitudinal axis 15 of the profile 11. The thickened region 21 in the region of the bend 17 of the profile 11 is located directly in the bend 17. The thickened region 22 is located, in the region of the bend 18 of the profile 11, directly adjacent to the bend 18.
The material thickness H of the thickened regions 21, 22 corresponds to 1.1-2.0 times of the initial thickness W of the strip-shaped rolling stock. The material width B of the thickened regions 21, 22 corresponds to 1.0-5.0 times of the 2655586.1 initial material thickness W of the rolling stock. The thickened regions 21, are arranged between the thickness-reduced section 16 and the bends 17 and 18, respectively, with the thickened regions 22 being arranged adjacent to the bends 18, respectively.
In Fig. 1, the thickened regions 21, 22 are arranged symmetrically on the profile 11. However, this is not absolutely necessary for improvement of stiffness of a material-optimized profile 11. The thickened regions 21, 22, which are arranged on the side wall 12 and/or are located opposite each other, can have different dimensions or be arranged unsymmetrically. Further, it is not necessary that all of the thickened regions extend in the same direction. As shown schematically with dash lines, thickened regions 23 can extend outwardly, i.e., remotely from the hollow space 19.
Though the present invention was shown and described with references to the preferred embodiment, such is merely illustrative of the present invention and is not to be construed as a limitation thereof and various modifications of the present invention will be apparent to those skilled in the art. It is therefore not intended that the present invention be limited to the disclosed embodiment or 2655586.1 details thereof, and the present invention includes all variations and/or alternative embodiments within the spirit and scope of the present invention as defined by the appended claims.
2655586.1
Claims (5)
1. A profile formed of a strip-shaped rolling stock having an initial material thickness (W), comprising at least one thickness-reduced section (16) having a thickness (D) that is smaller than the initial material thickness (W) of the rolling stock; at least one bend (17; 18);
and at least one thickened region (21, 22) provided in a region of the at least one bend (17, 18) and having a material thickness (H) greater than the initial material thickness (W) of the rolling stock the profile (11) is formed of.
and at least one thickened region (21, 22) provided in a region of the at least one bend (17, 18) and having a material thickness (H) greater than the initial material thickness (W) of the rolling stock the profile (11) is formed of.
2. A profile according to claim 1, wherein the at least one thickened region (21, 22) is located adjacent to the at least one bend (18).
3. A profile according to claim 1, comprising side walls (12) enclosing, at least partially, a hollow space (19), and wherein the at least one thickened region (21, 22) is located adjacent to the hollow space (19).
4. A profile according to claim 1, wherein the material thickness (H) of the at least one thickened region (21, 22) corresponds to 1.1-2 times of the initial material thickness (W) of the rolling stock the profile (11) is formed of.
5. A profile according to claim 1, wherein the at least one thickened region (21, 22) has a material width (B) in a direction transverse to a longitudinal axis (15) of the profile (11) and corresponding to 1.0-5.0 times of the initial material width (W) of the rolling stock the profile (11) is formed of.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007047875.7 | 2007-11-28 | ||
| DE102007047875A DE102007047875A1 (en) | 2007-11-28 | 2007-11-28 | profile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2639760A1 true CA2639760A1 (en) | 2009-05-28 |
Family
ID=40219963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002639760A Abandoned CA2639760A1 (en) | 2007-11-28 | 2008-09-23 | Profile |
Country Status (4)
| Country | Link |
|---|---|
| US (2) | US20090133460A1 (en) |
| EP (1) | EP2065532A1 (en) |
| CA (1) | CA2639760A1 (en) |
| DE (1) | DE102007047875A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO333025B1 (en) * | 2009-09-02 | 2013-02-18 | Oglaend System As | Elongated profile device |
| DE102011079095A1 (en) | 2011-07-13 | 2013-01-17 | Hilti Aktiengesellschaft | Method for producing a profile from a sheet metal strip |
| EP3529426B1 (en) | 2016-10-17 | 2021-02-24 | Burkhart Schurig | Wall construction system comprising drywall construction combination profiled sections, and method for constructing a wall |
| EP3830358A1 (en) * | 2018-08-02 | 2021-06-09 | Knauf Gips KG | Stud for a wall construction |
Family Cites Families (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR744933A (en) * | 1933-04-27 | |||
| US1319141A (en) * | 1919-10-21 | dieteb | ||
| BE515487A (en) * | ||||
| US837933A (en) * | 1905-05-02 | 1906-12-11 | Charles Johns | Method of forming piles. |
| GB408828A (en) * | 1932-06-27 | 1934-04-19 | Heinrich Toussaint | Improved profiled iron |
| US3209432A (en) * | 1963-12-23 | 1965-10-05 | Ford Motor Co | Method for fabricating a structural member |
| LU54975A1 (en) * | 1967-11-28 | 1969-03-20 | ||
| US4178790A (en) * | 1978-05-22 | 1979-12-18 | Ex-Cell-O Corporation | Roll-through cold forming apparatus |
| US4233833A (en) | 1978-06-05 | 1980-11-18 | United States Gypsum Company | Method for stretching sheet metal and structural members formed therefrom |
| US4317350A (en) * | 1978-11-20 | 1982-03-02 | E. W. Sivachenko | Corrugated plate having variable material thickness and method for making same |
| JPH0613123B2 (en) * | 1986-01-30 | 1994-02-23 | 日本冶金工業株式会社 | Planetary mill line rolling method |
| US4969346A (en) * | 1986-03-12 | 1990-11-13 | Usg Interiors, Inc. | Apparatus for producing cold roll-formed structures |
| DE3738566A1 (en) * | 1987-04-01 | 1988-10-13 | Spaeth Gmbh & Co Kg Stahlbau B | METHOD AND DEVICE FOR BENDING A SHEET |
| DE8713006U1 (en) * | 1987-09-26 | 1987-11-19 | Bilfinger + Berger Bauaktiengesellschaft, 6800 Mannheim | Shoring support |
| DE19743093C1 (en) * | 1997-09-30 | 1998-12-17 | Thyssenkrupp Stahl Ag | Production of a metal strip with regions of different thickness over its width |
| DE19743643A1 (en) * | 1997-10-02 | 1999-04-08 | Meta Regalbau Gmbh & Co Kg | Steel beam profile |
| DE19851327A1 (en) * | 1998-11-06 | 2000-05-11 | Alusuisse Lonza Services Ag | Hollow profile or the like. Workpiece for forming by means of internal high pressure, method for producing a profile from light metal and device therefor |
-
2007
- 2007-11-28 DE DE102007047875A patent/DE102007047875A1/en not_active Ceased
-
2008
- 2008-09-23 CA CA002639760A patent/CA2639760A1/en not_active Abandoned
- 2008-10-27 EP EP08105662A patent/EP2065532A1/en not_active Withdrawn
- 2008-11-24 US US12/313,893 patent/US20090133460A1/en not_active Abandoned
-
2012
- 2012-04-30 US US13/459,411 patent/US20120210762A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| US20090133460A1 (en) | 2009-05-28 |
| EP2065532A1 (en) | 2009-06-03 |
| DE102007047875A1 (en) | 2009-06-04 |
| US20120210762A1 (en) | 2012-08-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |
Effective date: 20140923 |