GB2303391A - Metal beam profile for partitions - Google Patents
Metal beam profile for partitions Download PDFInfo
- Publication number
- GB2303391A GB2303391A GB9615051A GB9615051A GB2303391A GB 2303391 A GB2303391 A GB 2303391A GB 9615051 A GB9615051 A GB 9615051A GB 9615051 A GB9615051 A GB 9615051A GB 2303391 A GB2303391 A GB 2303391A
- Authority
- GB
- United Kingdom
- Prior art keywords
- profile part
- profile
- parts
- assembly
- junction plate
- 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
Links
- 229910052751 metal Inorganic materials 0.000 title claims description 20
- 239000002184 metal Substances 0.000 title claims description 20
- 238000005192 partition Methods 0.000 title claims description 17
- 238000002788 crimping Methods 0.000 claims description 10
- 238000005452 bending Methods 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 6
- 238000005304 joining Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000009970 fire resistant effect Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000002105 tongue Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007937 lozenge Substances 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
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
- E04B2/7809—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 single or multiple tubular form
- E04B2/7818—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 single or multiple tubular form of substantially rectangular form
-
- 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
- E04B2/7453—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 with panels and support posts, extending from floor to ceiling
- E04B2/7457—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 with panels and support posts, extending from floor to ceiling with wallboards attached to the outer faces of the posts, parallel to the partition
-
- 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
- E04B2/7411—Details for fire protection
-
- 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
- E04B2002/7461—Details of connection of sheet panels to frame or posts
- E04B2002/7462—Details of connection of sheet panels to frame or posts using resilient connectors, e.g. clips
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Rod-Shaped Construction Members (AREA)
- Railway Tracks (AREA)
- Roof Covering Using Slabs Or Stiff Sheets (AREA)
- Building Environments (AREA)
- Coating With Molten Metal (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
2303391
1 DESCRIPTION A PROFILE PART FOR PARTITIONS
The present invention relates to a profiled part for partitions, made of rolled sheet metal, with a central groove.
There already exist many types of profile parts for partitions. These are generally extruded aluminium pieces, cut to required lengths.
However extruded aluminium has a number of drawbacks. Firstly it is relatively expensive to manufacture and secondly aluminium is not sufficiently fire-resistant to satisfy certain standards, and so it is preferred to produce partition posts and tubes from sheet metal.
The tubes made of sheet metal available for the construction of partitions are however extremely basic in form, as the process by which they are manufactured does not offer the same possibility of producing multiple forms as aluminium extrusion. In fact these profile parts are visually unattractive and their use is avoided.
The purpose of the present invention is to create a profile part made of sheet metal, which is markedly visually attractive, enables variations in appearance, offers the possibility of personalized decoration, is more fire-resistant, but which may be manufactured by means of a very simple and inexpensive process.
2 To this end, the present invention provides a profile part for partitions, made of rolled sheet metal, with a central groove, comprising: - two longitudinal parts each made of rolled sheet metal, juxtaposed back to back to be attached to one another by means of lengthwise crimping; each part having a generally H-shaped cross section formed by a web plate bordered by two wings; - each wing ending, on the same side of the web plate, in a wing fold and being extended on the other side by an outward-bending segment, forming a bearing and assembly surface and continuing as an open hook forming an assembly abutment, the hook of one of the wings of one part being turned towards the other part to be joined and the hook of the other wing being turned in the opposite direction; the two parts being joined by their respective bearing surfaces and by the placing of the hooks of one part in the matching hooks of the other part and crimping of the hooks into one another so as to form crimped edges.
This profile part is produced by assembling two parts whose means of assembly at least are symmetrical.
In the most advantageous case, the two parts constituting the profile part are identical. This provides for considerably simplified production, which is restricted to a single roller set.
Should a non-symmetrical profile part be required, the 3 assembly may be carried out in the same conditions, by crimping of the two parts forming the profile part.
The two parts are assembled simply by interlocking of the hooks, with the bearing surfaces being brought together as a result. When these hooks are simply placed as required, it is possible to introduce the two-tube assembly into a crimping machine with rollers which roll the hooks, either in order to crush them or in order to leave a certain relief, in the form of a flattened lozenge for example, constituting a means for fastening a junction plate.
This production process is extremely simple since, in the case of a symmetrical profile part, only one part need be produced, ie. one half of the finished profile part. This part of the profile part is produced from a band of sheet metal rolled by rollers to achieve the correct shape.
By way of example only, a specific embodiment of the present invention will now be described, with reference to the accompanying drawings, in which:
- Figure 1 is a perspective view of a profile part according to the invention; - Figure 2 is a cross-sectional view of a part of a profile part used to produce the profile part shown in Figure 1; - Figures 2A, 2B, 2C show three stages of production of a profile part such as is shown in Figure 1; 4 - Figure 3 shows a profile part fitted with rolled sheet metal junction plates; - Figure 4 shows, in cross section, a profile part fitted with an extruded junction plate, attached with clips; - Figure 5 is a cross-sectional view of a rolled sheet metal junction plate; - Figure 6 is a cross-sectional view of a clip; - Figure 7 is a cross section of a junction plate fastened onto a clip such as is shown in Figure 6; - Figure 8 is a cross-sectional view of a partition produced with the aid of profile parts according to the invention; - Figure 9 shows the assembly of a profile part according to the invention with one upright, the profile part being fitted with an extruded junction plate; - Figure 10 is a cross-sectional view of a joining piece between a profile part and a vertical tubular rod; - Figure 11 shows the assembly of three profile parts at right angles to one another, on a vertical tubular rod.
As shown in Figure 1, the invention concerns a profile part 1 designed to make partitions. This profile part, manufactured in rolled sheet metal, comprises a central tube bordered by two open segments 2, 3.
This profile part 1 is formed by the assembling of two longitudinal parts, each made of rolled sheet metal. These two parts are assembled in the manner detailed hereunder then crimped along their lengths, on each side, forming crimped edges 4, 5 which can receive junction plates.
In greater detail: a profile part of rectangular cross-section such as that shown in Figure 1 is obtained by joining two parts 6A, 6B with a similar shape to that (6) shown in cross-section in Figure 2.
This part 6 has a generally H-shaped cross section formed by a web plate 61 bordered by two wings 62. On the same side of the plane of the web plate 61, the wings 62 end in a wing fold 63. On the other side the wings 62 are extended by an outward-bending segment 64, forming a bearing surface to receive the other part of the profile part on assembly. The bearing segment 64 is continued with a hook 65 on one side and 66 on the other. One of these hooks 65, 66 is turned towards the web plate 61 side and the other towards the opposite side (in Figure 2, the hook 66 is turned upwards and the hook 65 downwards).
The hook 65 is continued by a holding segment 67.
The part of the profile part 6, as shown in Figure 2, is formed by folding a strip of sheet metal in a roller conveyor (rolling); this formation by folding or rolling corresponds to that shown in Figure 2 with raised areas 68 to increase the rigidity and apparent thickness of the web plate in order to receive the assembly pieces of the cross-pieces 6 and the uprights formed with such profile parts to constitute a partition.
Figure 1 shows the openings 69 formed in the profile part 1. These openings are aligned across the two web plates.
The wings 62 also comprise slots 70 which are aligned on both sides of the profile part for a supporting tongue to pass through in order, for example, to hold up a board or windows when the profile part is used as a cross-piece (Figure 1).
As has already been stated, the profile part shown in Figure 1 is obtained by assembling two profile parts such as the one (6) shown in Figure 2. These two profile parts are assembled at their bearing surface as Figure 2A illustrates.
In order to simplify the description, the various component elements of the parts of the profile part will be designated by the same references as in Figure 2, plus the suffix A or B, depending on whether an 'upper' or 'lower' profile part according to Figures 2A, 2B, 2C is being described. The description of elements 6A, 613 will not be repeated.
When two profile part lengths 6A, 613 have been made and cut, these are joined at their bearing surfaces 64A, 64B and their hooks (65A, 6613; 66A, 6513) are simply interlocked, as shown firstly in Figure 2A then in Figure 2B.
The two parts 6A, 613 are perfectly coupled thanks to their hooks 65A, 6513, 66A, 66B and to the abutment segments 67A, 6713.
The lengthwise coupling is carried out against an abutment at the 7 entrance of the crimping machine.
The process of assembly producing the arrangement shown in Figure 213 is for example carried out manually at the outlet of the machine cutting the required lengths of the parts 6 (6A, 613) at the end of rolling.
The crimping machine, by pushing down on and crushing the hooks 65A, 66B and 66A, 65B as the arrows in Figure 213 show, produces crimped edges 4 (Figure 2C or Figure 1).
The two parts 6A, 613 now form a firm assembly.
It is clear that the hooks 65 and 64 are not identical in shape, since for them to interlock as shown in Figure 2B, the thickness of the sheet metal must be taken into account.
The crimped edges 4 form holding pieces with lozengeshaped cross-sections, which are each designed to receive a clip firmly attached to a junction plate or a clip forming an intermediate piece and itself carrying a junction plate.
Figure 3 shows an embodiment of a profile part as described above, each edge 4 of which is fitted with a junction plate 10 of rolled sheet metal including a clip 102 sliding and fastening on the holding edges 4 of the profile part 1.
This junction plate will be described in greater detail hereafter with the aid of Figure 5.
Figure 4 shows a variant of the junction plate 11 formed by 8 an extruded aluminium rod connected to the profile part 1 by clips 12 attaching to the crimped edges 4.
The clips 12 may be of limited length and several clips may be spread out over the length of the profile 11. In the case of the junction plate 10 shown in Figure 3, however, the clip extends over the whole length.
Figure 5 is a cross-sectional view of a profile part with a clip 10 used for the assembly shown in Figure 3. This junction plate 10 is made up of a smooth front face 101 bearing onto the folded strips of sheet metal, and continued rearwards by a two-branched clip 102, each branch ending in a holding abutment 103. This clip 102, 103 corresponds in shape, as specified above, to the cross-section of the edges 4 (Figure 1) so as to fit without play onto these edges and firmly hold in place the junction plate 10.
The junction plate 11 shown in Figure 6 is an extruded piece, in aluminium for example. The piece 11 comprises two edges with a fold-over 110, an intermediate branch 111, and two grooves 112 each receiving a decorative panel which is not shown.
This junction plate 11 is fixed onto the crimped edges 4 of a profile part by means of a clip 12 which is continuous or in pieces of the same cross-section spread out over the length of the junction plate. This clip 12 is shown in Figure 7. It is made up, in the case of the junction plate 10, of two branches 121 bent forwards and continued at 9 the rear by two branches 122 forming a narrowed part 123, the shape of the whole assembly fitting the cross-section of the edges 4 of the profile part 1. The two edges 121 are brought forward in such a way as to extend into the space between the part 111 and the fold-overs 110 of the profile part 11 (Figure 6).
A cross-sectional view of a partition as in Figure 8 shows a horizontal profile part 1 forming a cross-piece separating an opaque lower part 201 from a transparent or translucent upper part 202 of the partition.
The uprights, also made using profile parts 1, do not appear on this Figure. The lower edge 203 and the upper edge 204 are made from a profile part 1' also in rolled sheet metal but of a single piece, with only one web plate.
The profile part 1' of the lower part 201 is attached to the upright by a joint such as the one disclosed in the document FR-94 15 003, with a joining piece 205, a locking piece 206 and a cam 207. The finish for the lower 203 and upper parts 204 is provided by a covering profile part 208 set into the opening of the respective profile part.
The lower part 201 of the wall is formed from two panels 209 resting on the two wings of the profile parts V, 1.
The upper part 202 is formed from two glass panels 210 whose thickness is less than that of the panels 109. The glass panels 210 rest on the supporting tongues 211 passing through the openings 70 (Fig. 1) of the profile part 1.
The panels 210 are held apart by braces 212 set into the open regions of the profile parts 1, 1' and uprights (not shown in the Figure).
The finish at the join between the parts 201, 202 is provided by junction plates 10.
Figure 9 shows the assembly of a profile part 1 according to the invention on a tubular post 15 with a circular cross-section. The assembly is accomplished by means of a bearing piece 16 placed between the profile part 1 and the tube 15, of screws 17 through the profile part 1, the intermediate piece 16 and the tube 15. The profile part 1 is fitted with junction plates 11 attached by pieces 12. This Figure shows the installation not only of the profile part 1 but also the arrangement of the junction plates 11 in relation to the fold-overs of the bearing piece 16, in order to provide the finish.
Figure 10 shows the shape of the support 16 with its two central protrusions 161 and its two lateral wings 162 as well as the intermediate arc segments 163, 164 providing for the joining of the various parts 161, 162 and conforming to the contour of the tube 15, which is partially shown.
Figure 11 shows an example of the installation of profile parts according to the invention on a circular upright 15. These profile 11 parts 1 may be placed at any angle to the periphery of the tubular upright 15, depending on the layout requirements of the partition. In the case of Figure 11, the upright 15 at the join between three partitions receives three profile parts for partitions set at right angles. Since this assembly corresponds to the triple repetition of the assembly in Figure 9, the description will not be repeated.
12
Claims (1)
1) A profile part for partitions, made of rolled sheet metal, with a central groove, comprising: - two longitudinal parts each made of rolled sheet metal, juxtaposed back to back to be attached to one another, wherein - the two parts are joined by means of a longitudinal crimping; each part has a generally H-shaped cross section formed by a web plate bordered by two wings; - each wing terminates on the same side of the web plate, in a wing fold and extends on the other side by an outward-bending segment, forming a bearing and assembly surface and continuing as an open hook forming an assembly abutment, the hook of one of the wings of one part being turned towards the other part to be joined and the hook of the other wing being turned in the opposite direction; - the two parts are joined by their respective bearing surfaces and by the placing of the hooks of one part in the matching hooks of the other part and crimping of the hooks into one another so as to form crimped edges.
2) A profile part as claimed in Claim 1, wherein the assembly surfaces are substantially planar.
3) A profile part as claimed in Claim 1 or claim 2, wherein the web plates comprise raised areas 13 4) A profile part as claimed in any of Claims 1 to 3, wherein the web plates comprise openings formed for the assembly pieces of the profile parts forming cross-pieces and uprights.
5) A profile part as claimed in any of Claims 1 to 4, wherein the edges formed by crimping constitute supports designed to receive a junction plate.
6) A profile part as claimed in Claim 5, wherein the edges formed by crimping constitute holding pieces with lozenge-shaped crosssections.
7) A junction plate for a profile part as claimed in Claim 5 or claim 6, wherein the plate is formed from a rolled strip of sheet metal which ends, on its rear face, in a clip.
8) A junction plate for a profile part for partitions as claimed in Claim 5 or claim 6, comprising an extruded profile part ending in edges folded rearward to receive a clip formed from two branches designed to fit inside the folded edges of the extruded profile part and ending at the rear with a clip designed to be attached to the crimped edge of the profile part.
9) A profile part for partitions, substantially as herein described, with reference to, and as illustrated in, the accompanying drawings.
10) A junction plate for a profile part, substantially as herein described, with reference to, and as illustrated in, the accompanying 14 drawings.
11) An assembly of a profile part as claimed in any of claims 1 to 6 or 9 in combination with a junction plate as claimed in any of claims 7, 8 or 10.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9508677A FR2736953B1 (en) | 1995-07-18 | 1995-07-18 | ROLLER SHEET PARTITION PROFILE |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| GB9615051D0 GB9615051D0 (en) | 1996-09-04 |
| GB2303391A true GB2303391A (en) | 1997-02-19 |
| GB2303391B GB2303391B (en) | 1998-12-30 |
Family
ID=9481092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9615051A Expired - Fee Related GB2303391B (en) | 1995-07-18 | 1996-07-17 | A profile part for partitions |
Country Status (5)
| Country | Link |
|---|---|
| DE (1) | DE19628843C2 (en) |
| ES (1) | ES2130949B1 (en) |
| FR (1) | FR2736953B1 (en) |
| GB (1) | GB2303391B (en) |
| IT (1) | IT1284665B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780647A (en) * | 2016-08-31 | 2018-03-09 | 广东信海建筑有限公司 | A kind of novel and multifunctional aluminum wood secondary beam |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10337680A1 (en) * | 2003-08-16 | 2005-03-17 | Hilti Ag | Hollow profile for attaching objects |
| ES2283161B1 (en) * | 2004-02-11 | 2008-09-16 | Aida Ingenieria, S.L. | SCREEN. |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1820700A (en) * | 1930-05-12 | 1931-08-25 | Union Steel Prod Co | Structural element |
| US2141919A (en) * | 1937-07-31 | 1938-12-27 | Kotrbaty Guy Felix | Building construction |
| GB1001685A (en) * | 1963-06-05 | 1965-08-18 | Expanded Metal | Improvements relating to partitions for buildings |
| FR2338359A1 (en) * | 1976-01-16 | 1977-08-12 | Pollet Sa | Removable and collapsible partition - has recesses in top and bottom rails accommodating panels between them |
| FR2435570A1 (en) * | 1978-06-26 | 1980-04-04 | Tassy Serge | Removable and adjustable industrial aluminium partition frame - has solid rectangular block fixing pieces located in grooves and joint covers with spring clips |
| FR2541707B1 (en) * | 1983-02-25 | 1988-04-08 | Wanner Isofi Isolation | REMOVABLE PARTITION WITH QUICK ASSEMBLY AND DISASSEMBLY |
| DE3709541C2 (en) * | 1987-03-24 | 1996-08-08 | Feco Innenausbausysteme Entwic | Partition stand |
| FR2643700B1 (en) * | 1989-02-28 | 1992-01-31 | Atal | PANEL SUPPORT PROFILE, ASSOCIATED PANEL FIXING DEVICE, AND PROFILE SECTION JOINING DEVICE |
-
1995
- 1995-07-18 FR FR9508677A patent/FR2736953B1/en not_active Expired - Fee Related
-
1996
- 1996-07-16 IT IT96TO000606A patent/IT1284665B1/en active IP Right Grant
- 1996-07-17 ES ES009601598A patent/ES2130949B1/en not_active Expired - Fee Related
- 1996-07-17 DE DE19628843A patent/DE19628843C2/en not_active Expired - Fee Related
- 1996-07-17 GB GB9615051A patent/GB2303391B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107780647A (en) * | 2016-08-31 | 2018-03-09 | 广东信海建筑有限公司 | A kind of novel and multifunctional aluminum wood secondary beam |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2130949B1 (en) | 2000-03-01 |
| ES2130949A1 (en) | 1999-07-01 |
| FR2736953A1 (en) | 1997-01-24 |
| ITTO960606A1 (en) | 1998-01-16 |
| FR2736953B1 (en) | 1998-01-09 |
| DE19628843A1 (en) | 1997-01-30 |
| ITTO960606A0 (en) | 1996-07-16 |
| GB2303391B (en) | 1998-12-30 |
| IT1284665B1 (en) | 1998-05-21 |
| GB9615051D0 (en) | 1996-09-04 |
| DE19628843C2 (en) | 2001-12-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 20010717 |