EP1475167A2 - Steel section tagging system - Google Patents
Steel section tagging system Download PDFInfo
- Publication number
- EP1475167A2 EP1475167A2 EP04252648A EP04252648A EP1475167A2 EP 1475167 A2 EP1475167 A2 EP 1475167A2 EP 04252648 A EP04252648 A EP 04252648A EP 04252648 A EP04252648 A EP 04252648A EP 1475167 A2 EP1475167 A2 EP 1475167A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- steel section
- identification mark
- tag
- receptacle
- identification
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F3/00—Labels, tag tickets, or similar identification or indication means; Seals; Postage or like stamps
- G09F3/02—Forms or constructions
- G09F3/0297—Forms or constructions including a machine-readable marking, e.g. a bar code
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F7/00—Signs, name or number plates, letters, numerals, or symbols; Panels or boards
- G09F7/16—Letters, numerals, or other symbols adapted for permanent fixing to a support
Definitions
- THIS invention relates to a steel section tagging system.
- Identification marks have for instance been stamped onto exposed surfaces of the steel sections. Apart from the fact that the stamped marks may be obliterated during shot blasting, galvanising or other procedures, the system relies on visual recognition of the marks and a generally unsophisticated tracking system based on such identification.
- Other fabricators have affixed metal labels, carrying identification marks, externally to the steel sections. Although this provides the ability to use bar coding on the labels, and hence opens the door for computerised tracking, the metal tags are often torn free or otherwise damaged through normal handling or during shot blasting, galvanising or other procedures.
- Infosight Corporation has proposed laser-marked bar-coded metal tags, under the name Pic-Anneal®, which are resistant to acid pickling and high temperature annealing and which are attached to steel wire and rod. However these tags are not resistant to galvanising.
- the same entity has also proposed metal bar code tags, under the name KettleTag® which are attached externally to steel sections and which are said to be resistant to galvanising. However such tags experience the same problem as other externally affixed tags and are prone to being torn free and/or damaged during handling.
- a method of applying an identification mark to a steel section comprising the step of providing a recess in or on the steel section and locating the identification mark in the recess.
- the identification mark is applied to an identification tag and the tag is mounted to the steel section such that the tag is recessed relative to a surface of the steel section. This allows the mark to applied to the tag at a remote site before being mounted to the steel section.
- the identification mark is located in a receptacle, such as a cup-shaped member, which is mounted in a recess, typically a hole in the steel section, although it is also feasible for the receptacle to be mounted externally to a surface of the steel section.
- the identification mark may be applied directly to an internal base surface of the cup-shaped member which itself serves as the tag, or it may be applied to a separate tag which is fixed internally in the cup-shaped member.
- a protective cover is provided over the identification mark, the cover being removable to expose the identification mark.
- the cover may be in the form of a protective plug formed in situ over the identification mark, the plug being resistant to galvanising and being made, for example, of a settable refractory material.
- the identification mark may also be applied to a further tag which is fixed over the plug.
- the cup-shaped member can be fixed in the hole by means of an adhesive or by mechanical fixing means.
- the receptacle comprises a central zone to which the identification mark is applied and a series of prongs radiating from the central zone.
- the central area is located within a hole extending through the steel section and the prongs are bent appropriately to engageopposite surfaces of the steel section adjacent the hole.
- the identification mark is applied to a tag and the tag is fixed to the base of a blind hole in the steel section or it is applied to the base of a blind hole in the steel section.
- a protective plug which is resistant to galvanising can be cast or moulded in the blind hole over the identification mark, the plug being removable to expose the identification mark.
- the identification mark is applied to the base of a cup-shaped receptacle and the receptacle is fixed to a surface of the steel section.
- a protective plug may be provided over the mark.
- an identification tag for a steel section comprising a central zone carrying a computer-readable identification code and a series of prongs radiating from the central zone with alternate prongs extending in opposite directions from the central zone, whereby the tag can be anchored to a steel section by locating the central zone of the tag in a hole through the steel section with the prongs bent as appropriate to engage opposite surfaces of the steel section adjacent the hole.
- FIGS 1 and 2 illustrate a steel section tagging system, generally indicated by the numeral 10, according to a first embodiment of the invention.
- the system 10 is used to tag a steel section 12 to enable the steel section to be identified and tracked during progress through, for instance, a steel fabrication plant, and is particularly suited to tracking of steel sections which undergo galvanising after fabrication, possibly at a site away from the fabrication plant.
- the steel section 12 may be any typical steel section, such as a flat plate, angle, channel, I-beam, RSJ (rolled steel joist) or other section.
- a round hole 14 is formed through a part of the steel section, typically by a punching operation. In the case of an angle, for instance, the hole may be punched through either leg of the section, typically towards one end thereof.
- a cup-shaped steel receptacle 16 has a diameter very slightly less than the diameter of the hole 14.
- a round tag 18 having a diameter which enables it to locate internally on the base 20 of the receptacle 16.
- the tag 18 is a round disc of thin gauge mild or stainless steel.
- the disc carries a visible and computer-readable identification mark 22, in this case a so-called 2D code.
- the mark or code may be applied to the disc using a computer-programmable stylus marker or scriber, such as a model 320 Scriber/Stylus Marker available from Borries® Marking Systems.
- the tag or disc 18 may alternatively be made of a suitable plastics material. In either case, the disc is fixed to the base 20 of the receptacle 16, typically by means of a suitable adhesive.
- a separator 24 in the form of a round disc is located in the receptacle over the disc 18.
- the separator in this embodiment is a graphite-backed membrane such as that sold under the trade mark Klinker 80.
- the disc is not fixed in the receptacle, its diameter is such that it makes a close fit with the internal surface of the wall of the receptacle.
- a plug 26 of material which is resistant to galvanisirg is cast or moulded in the receptacle over the separator 24.
- the material used for the plug is typically a settable refractory material able to withstand the temperatures and chemistry encountered in a hot dip galvanising process.
- the material used is an air-setting cement or fireclay marketed under the name Elgin 1600TM mixed prior to moulding with an adhesive, in this case GenkemTM brake bonding adhesive which is likewise resistant to high temperatures.
- the material is moulded in the receptacle so as to have an outer surface 28 which is flush with the upper edge of the wall of the receptacle.
- a further identification tag 30 is fastened to the surface 28 of the plug 26.
- the tag 30 includes a disc 32, typically of the same material as the disc 18 and carrying the same identification mark, from which prongs 34 extend.
- the prongs 34 are embedded in the plug material before that material sets, and serve to anchor the tag 30 in place.
- the diameter of the disc 32 is such that its outer periphery rests on the upper edge of the wall of the receptacle 16, generally flush with the surface of the steel section or slightly recessed relative thereto.
- the diameter of the disc may be slightly less than the internal diameter of the wall of the receptacle 16, so that the disc can be arranged with its upper surface, carrying the identification mark, flush with the upper edge of that wall.
- the independently manufactured identification unit consisting of the receptacle 16, tag 18, separator 24, plug 26 and tag 30, is then fixed in the hole 14 in the steel section.
- this is achieved by means of an adhesive 36 between the outer surface of the wall of the receptacle and the inner surface of the hole 14.
- a suitable adhesive is DurabondTM 950, 952 or 954 metallic adhesive.
- the outer tag 30 will remain visible to provide a ready means for identifying, locating and tracking the steel section.
- the tag 30 remains fixed to the steel section for identification purposes.
- the plug 26 is removed. This may, for instance be achieved using a sharp tool to extract it from the receptacle 16.
- the separator 24 facilitates removal of the plug and prevents the plug from contacting the tag 18 directly. After removal of the plug 26, the separator 24 can itself be extracted from the receptacle, thereby exposing the identification mark 22 to view optically or by tracking scanners or the like.
- identification tag 18 is recessed relative to the surface of the steel section and is protected by the plug 26 against damage from galvanising or otherwise while still being accessible for tracking purposes.
- Figure 3 illustrates a second embodiment of the invention in which the receptacle 16 is fixed mechanically to the steel section.
- the receptacle has a flange 38 which rests on one surface of the steel section 12 alongside the hole 14 while the opposite end of the receptacle has an extension 40 carrying prongs 42 which are peened over the opposite surface of the steel section to anchor the receptacle relative to the steel section.
- the tag 18 is again located within the hole 14, inside the receptacle, is recessed with respect to the surface of the steel section and is protected by the plug 26 as before, this embodiment is less preferred than that of Figures 1 and 2 for the reason that the receptacle itself projects partially from the hole with the attendant possibility of impact or other damage.
- the invention also envisages an embodiment in which the identification mark 22 is applied directly to the base of the receptacle 16, i.e. there is no separate tag 18. A plug corresponding to the plug 26 is then cast or moulded in the receptacle, possibly over a separator as described above, so that the tag 18 is adequately protected.
- FIGS 4, 5 and 6 of the accompanying drawings illustrate another embodiment of the invention.
- an identification tag is formed from a basic steel element 50, seen in Figure 4, which has been punched or otherwise cut from steel sheet of appropriate thickness.
- the element 50 has a circular central zone 52 and a series of prongs 54 radiating from the central zone.
- Figure 5 illustrates a further step in the preparation of the tag which is to be mounted to a steel section.
- the identification mark 56 is stamped or otherwise applied to the central zone 52.
- Alternate prongs 54.1 are bent upwardly relative to the central zone while the remaining prongs 54.2 are bent downwardly and shaped as shown to provide outwardly splayed feet 58.
- the tag 60 seen in Figure 5 is inserted through a hole in a steel section 62 such that the outwardly splayed feet 58 bear against one surface 64 of the steel.
- the central zone 52 is recessed below the opposite surface 66 of the steel and the upper extremites of the prongs 54.1, which initially project above the surface 66, are bent or peened over as illustrated to anchor the tag to the steel section.
- a plug 68 corresponding to the plug 26 described previously, can then be located over the central zone to provide protection for the mark 56. As before the plug can be removed when it is necessary to have access to the mark for identification purposes.
- a separator 70 corresponding to the separator 24 described previously, may be located over the central zone 52 beneath the plug 68.
- the invention envisages an embodiment (not illustrated) in which an identification tag, such as the tag 18 described above, is fixed directly to the base of a blind hole formed in the steel section.
- a separator may again be placed over the tag and a plug is then cast or moulded over the separator so that its surface is flush with that of the steel section.
- a disadvantage of this embodiment is that the plug has to be cast or moulded in situ in the hole rather than remotely in a receptacle or tag which is subsequently mounted in the hole.
- the identification mark is applied directly to the base of a blind hole in the steel section with the plug then being cast or moulded over the mark, possibly with an interposed separator to facilitate subsequent removal of the plug.
- Figure 7 Yet another possibility is illustrated in Figure 7.
- This embodiment has similarities to the embodiment of Figure 3 and once again employs acupshaped receptacle 16.
- the receptacle 16 has a flat underside which is placed on a surface of the steel section 12.
- the flange 38 is spot-welded at 80 to the steel section to anchor it in position.
- an in situ plug of refractory material is used to protect the identification mark during galvanising.
- other operations which are commonly performed on steel sections for example shot blasting and painting, also have the potential to obliterate or damage the identification mark.
- the invention also envisages a tagging system in which the mark is temporarily protected during such operations.
- the mark may be protected temporarily by any suitable covering material which can subsequently be extracted without undue difficulty.
- An example of a suitable material is that sold under the name PrestikTM by Bostik.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Near-Field Transmission Systems (AREA)
- General Factory Administration (AREA)
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- Adornments (AREA)
Abstract
Description
- Figure 1
- shows an exploded perspective view of a preferred steel section tagging system according to the invention;
- Figure 2
- shows a cross-sectional view of the tagging system of Figure 1 in an installed condition;
- Figure 3
- shows a cross-sectional view of a tagging system according to a second embodiment of the invention in an installed condition;
- Figure 4
- shows a perspective view of a basic steel element used in a third embodiment of the invention;
- Figure 5
- shows a perspective view of the steel element of Figure 4 after application of an identification mark and bending of the prongs;
- Figure 6
- illustrates the manner in which the embodiment of Figures 4 and 5 is fixed to a steel section; and
- Figure 7
- illustrates another embodiment of the invention.
Claims (25)
- A method of applying an identification mark to a steel section, the method being characterised by the steps of providing a recess in or on the steel section and locating the identification mark in the recess.
- A method according to claim 1 characterised in that the identification mark is applied to an identification tag and the tag is mounted to the steel section such that the tag is recessed relative to a surface of the steel section.
- A method according to claim 1 or 2 characterised in that the identification mark is located in a receptacle which is mounted in a recess in the steel section.
- A method according to claim 3 characterised in that the receptacle is mounted in a recess provided by a hole in the steel section.
- A method according to claim 4 characterised in that the receptacle is a cupshaped member located in the hole.
- A method according to claim 5 characterised in that the identification mark is applied directly to an internal base surface of the cupshaped member which itself serves as the tag.
- A method according to claim 5 characterised in that the identification mark is applied to a separate tag which is fixed internally in the cup-shaped member.
- A method according to claim 6 or claim 7 characterised in that a protective cover is provided over the identification mark, the cover being removable to expose the identification mark.
- A method according to claim 8 characterised in that a protective plug is formed in situ over the identification mark.
- A method according to claim 9 characterised in that a protective plug which is resistant to galvanising is cast or moulded over the identification mark.
- A method according to claim 10 characterised in that a protective plug of a settable refractory material is cast or moulded over the identification mark.
- A method according to claim 10 or claim 11 characterised in that a separator is located over the identification mark and the plug is cast or moulded over the separator, the separator facilitating subsequent removal of the plug.
- A method according to any one of claims 9 to 12 characterised in that the identification mark is applied to a further tag which is fixed over the plug.
- A method according to any one of claims 3 to 13 characterised in that the receptacle is fixed in the hole by means of an adhesive.
- A method according to any one of claims 3 to 13 characterised in that the receptacle is fixed in the hole by mechanical fixing means.
- A method according to claim 15 characterised in that the receptacle comprises a central zone to which the identification mark is applied and a series of prongs radiating from the central zone, the central area is located within a hole extending through the steel section and the prongs are bent appropriately to engage opposite surfaces of the steel section adjacent the hole.
- A method according to any one of the preceding claims characterised in that the identification mark is a computer-readable mark.
- A method according to claim 17 characterised in that the identification mark comprises a 2D code.
- A method according to claim 1 characterised in that the identification mark is applied to a tag and the tag is fixed to the base of a blind hole in the steel section.
- A method according to claim 1 characterised in that the identification mark is applied to the base of a blind hole in the steel section.
- A method according to claim 19 or claim 20 characterised in that a protective plug which is resistant to galvanising is cast or moulded in the blind hole over the identification mark, the plug being removable to expose the identification mark.
- A method according to claim 1 characterised in that the identification mark is applied to the base of a cup-shaped receptacle and the receptacle is fixed to a surface of the steel section.
- A steel section which is characterised in that it is identified by an identification mark applied to the steel section by a method according to any one of the preceding claims.
- An identification tag for a steel section, the tag being characterised in that it comprises a central zone carrying a computer-readable identification code and a series of prongs radiating from the central zone with alternate prongs extending in opposite directions from the central zone, whereby the tag can be anchored to a steel section by locating the central zone of the tag in a hole through the steel section with the prongs bent as appropriate to engage opposite surfaces of the steel section adjacent the hole.
- An identification tag according to claim 23 characterised in that the central zone of the tag carries a 2D code.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ZA200303449 | 2003-05-06 | ||
ZA200303449 | 2003-05-06 | ||
ZA200309369 | 2003-12-02 | ||
ZA200309369 | 2003-12-02 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1475167A2 true EP1475167A2 (en) | 2004-11-10 |
EP1475167A3 EP1475167A3 (en) | 2005-02-09 |
EP1475167B1 EP1475167B1 (en) | 2007-02-21 |
Family
ID=32995133
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04252648A Not-in-force EP1475167B1 (en) | 2003-05-06 | 2004-05-06 | Steel section tagging method and system |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1475167B1 (en) |
AT (1) | ATE354445T1 (en) |
DE (1) | DE602004004828T2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008143776A1 (en) * | 2007-05-15 | 2008-11-27 | Corning Incorporated | Method and system for tracking unfinished ceramic structures during manufacture |
EP2689411A1 (en) * | 2011-03-24 | 2014-01-29 | Pipe Maintenance, Inc. | Identification system for drill pipes and the like |
EP4332831A1 (en) * | 2022-09-01 | 2024-03-06 | voestalpine Stahl GmbH | Flat metal product with position code pattern |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202023106413U1 (en) | 2023-03-25 | 2024-01-09 | Viktor Hegedüs | Anti-counterfeit label |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US655393A (en) * | 1900-02-01 | 1900-08-07 | Herbert H Hewitt | Means for identifying metal castings. |
DE2757492A1 (en) * | 1976-12-30 | 1978-07-06 | Calider Sa | SIGNS FOR MARKING CAST BLOCKS OR PIECES |
FR2567428A1 (en) * | 1984-06-12 | 1986-01-17 | Coillard Jack | Novel permanent referencing system |
-
2004
- 2004-05-06 DE DE602004004828T patent/DE602004004828T2/en not_active Expired - Fee Related
- 2004-05-06 AT AT04252648T patent/ATE354445T1/en not_active IP Right Cessation
- 2004-05-06 EP EP04252648A patent/EP1475167B1/en not_active Not-in-force
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US655393A (en) * | 1900-02-01 | 1900-08-07 | Herbert H Hewitt | Means for identifying metal castings. |
DE2757492A1 (en) * | 1976-12-30 | 1978-07-06 | Calider Sa | SIGNS FOR MARKING CAST BLOCKS OR PIECES |
FR2567428A1 (en) * | 1984-06-12 | 1986-01-17 | Coillard Jack | Novel permanent referencing system |
Non-Patent Citations (2)
Title |
---|
ANDERSON D L: "AUTOMATIC IDENTIFICATION OF HOT COILS WITH LASER PRINTED TAGS" STEEL TIMES, FUEL & METALLURGICAL JOURNALS LTD. LONDON, GB, vol. 227, no. 5, May 1999 (1999-05), page 174,176, XP000890814 ISSN: 0039-095X * |
HENNIG, AXEL UND M]LLER, ULRICH: "Einzelstückverfolgung von Blöcken, Brammen und Knüppeln zwischen Stahlwerk und Walzwerk" STAHL UND EISEN, vol. 113, no. 7, 19 July 1993 (1993-07-19), pages 43-48, XP000388309 D]SSELDORF * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008143776A1 (en) * | 2007-05-15 | 2008-11-27 | Corning Incorporated | Method and system for tracking unfinished ceramic structures during manufacture |
US7918389B2 (en) | 2007-05-15 | 2011-04-05 | Corning Incorporated | Method and system for tracking unfinished ceramic structures during manufacture |
EP2689411A1 (en) * | 2011-03-24 | 2014-01-29 | Pipe Maintenance, Inc. | Identification system for drill pipes and the like |
CN103688300A (en) * | 2011-03-24 | 2014-03-26 | 管道维修股份限公司 | Identification system for drill pipes and the like |
EP2689411A4 (en) * | 2011-03-24 | 2015-03-25 | Identification system for drill pipes and the like | |
EP4332831A1 (en) * | 2022-09-01 | 2024-03-06 | voestalpine Stahl GmbH | Flat metal product with position code pattern |
WO2024046874A1 (en) * | 2022-09-01 | 2024-03-07 | Voestalpine Stahl Gmbh | Flat metal product having a position code pattern |
Also Published As
Publication number | Publication date |
---|---|
DE602004004828D1 (en) | 2007-04-05 |
ATE354445T1 (en) | 2007-03-15 |
EP1475167B1 (en) | 2007-02-21 |
DE602004004828T2 (en) | 2007-10-04 |
EP1475167A3 (en) | 2005-02-09 |
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