EP2154308A1 - Procédé de fabrication d'un produit de toiture identifiable incluant un produit de toiture et installation du procédé pour effectuer le procédé - Google Patents

Procédé de fabrication d'un produit de toiture identifiable incluant un produit de toiture et installation du procédé pour effectuer le procédé Download PDF

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Publication number
EP2154308A1
EP2154308A1 EP08162158A EP08162158A EP2154308A1 EP 2154308 A1 EP2154308 A1 EP 2154308A1 EP 08162158 A EP08162158 A EP 08162158A EP 08162158 A EP08162158 A EP 08162158A EP 2154308 A1 EP2154308 A1 EP 2154308A1
Authority
EP
European Patent Office
Prior art keywords
roofing product
layer
identifiable
manufacturing
product according
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.)
Withdrawn
Application number
EP08162158A
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German (de)
English (en)
Inventor
Henrik Risbo Jeppesen
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.)
Icopal Danmark ApS
Original Assignee
Icopal Danmark ApS
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 Icopal Danmark ApS filed Critical Icopal Danmark ApS
Priority to EP08162158A priority Critical patent/EP2154308A1/fr
Priority to PCT/EP2009/060005 priority patent/WO2010018092A1/fr
Priority to DK09806410.8T priority patent/DK2326776T3/da
Priority to EP09806410A priority patent/EP2326776B1/fr
Priority to PL09806410T priority patent/PL2326776T3/pl
Publication of EP2154308A1 publication Critical patent/EP2154308A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
    • D06N5/00—Roofing materials comprising a fibrous web coated with bitumen or another polymer, e.g. pitch
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04D—ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS
    • E04D5/00—Roof covering by making use of flexible material, e.g. supplied in roll form
    • E04D5/02—Roof covering by making use of flexible material, e.g. supplied in roll form of materials impregnated with sealing substances, e.g. roofing felt

Definitions

  • the present invention relates, according to a first aspect, to a method of manufacturing an identifiable roofing product wherein the roofing product is provided with one or more devices being able to communicate with a read and/or write apparatus by means of radio waves.
  • the present invention relates to a method of manufacturing an identifiable roofing product comprising the steps of:
  • the present invention relates to process plant adapted to carrying out the invention according to the first aspect.
  • the present invention relates to a method of identifying a roof where the roof is manufactured according the first aspect.
  • the present invention relates to an identifiable roofing product consisting of a first layer of material, a second layer of material wherein at least one device adapted to communicate via radio waves is arranged in between the first layer of material and the second layer of material.
  • roof or “roofing” shall in this specification be understood as terms identifying a roof as such incl. a space below an outer and weather exposed roof covering, such as an attic an the like, such as moisture or vapour barriers.
  • roofing products such as asphalt or bitumen impregnated roof coverings and vapour barriers and the like are today difficult to identify upon the product being dispatched from its place of manufacture.
  • roofing materials have a strong desire in obtaining a simple and cost effective method of applying a unique, reliable and durable identification to their products. Further, manufacturers of the above roof products strive in producing a product comprising an identification system being able to encompass close to an infinite number of identities in order to provide the product with a unique ID being able to hold a precise date, time and location of manufacture.
  • roofing products like roll roofing and roofing shingles comprising a bitumen impregnated core provided with at least one further layer of bitumen are either not marked with identification or marked with a simple physical identification "stamp" between the layers or directly on one of its surfaces.
  • marking typically consist of a combination of characters constituting an ID of the product.
  • the marking is typically performed by means of an impression, e.g. from a stamp or a roll arranged in connection with a production line, where the stamp or roll comprises a set of characters which is impressed into the roofing product.
  • an impression e.g. from a stamp or a roll arranged in connection with a production line, where the stamp or roll comprises a set of characters which is impressed into the roofing product.
  • Another common way of identifying a product is by means of an inked stamp applied on the product or on the outer surface of the finished roll of roofing product.
  • a layered vapour barrier is disclosed in the US patent 4567080 A , which teach a vapour barrier comprising two vapour-tight layers and a water absorbing layer interposed there between.
  • GB 2094226 A One example of a layered roof covering is disclosed in GB 2094226 A , which teach a sealing sheet with an upper layer, a strengthening layer and an underside layer. The sheet is used for covering parts of buildings and roofs.
  • RFID radio frequency identification
  • the RFID technique relies on remotely storing and retrieving data using devices called RFID tags or RFID transponders.
  • An RFID tag is an object that can be applied to or incorporated into a product for the purpose of identification by means of radio waves. Some tags can communicate over several meters and beyond the line of sight of the reading and/or writing instrument.
  • RFID tags contain at least two parts.
  • the first part is an integrated circuit for storing and processing information, modulating and demodulating a signal and other specialized functions, and the second part is an antenna for receiving and transmitting the signal.
  • the parts are typically arranged on a base e.g. constituting a piece of foil or a plastic sheet.
  • the tags are in some embodiments sealed by means of a layer of protective foil applied to the surface opposite the base.
  • RFID tags come in three general varieties: passive, active, or semi-passive.
  • Passive tags require no internal power source, thus being pure passive devices (they are only active when a reader is nearby to power them via radio waves), whereas semi-passive and active tags require a power source, usually a small battery.
  • the minute electrical current induced in the antenna by the incoming radio frequency signal is used as power for the electronic circuits in the tag.
  • a drawback of many of the present RFID tags is that they need an external antenna which is about 80 times larger than the integrated circuit served by the antenna.
  • RFID tags may be obtained from various suppliers and in virtually any form, e.g. as a thin "endless" strip from where the tags may be cut one by one.
  • tags Another popular way of obtaining a plurality of tags is as thin stickers adhered to a carrying strip.
  • one surface of the tags is provided with a suitable adhesive.
  • the RFID tags allows read and write of data which at convenience may constitute place, date and time of production, serial number, manufacturer name and product number etc.
  • the RFID tags even allow for multi-bit encryption and password protection of the data written to the chip.
  • roofing products such as vapour barriers and asphalt or bitumen based roofing products, e.g. in the form of roll roofing or roofing shingles, has been seeking methods of manufacture wherein the products are provided with RFID tags, and until now, no feasible method of large scale production has been found.
  • the RFID tag in order to be substantially invisible, and the overall appearance and functionality of final product incl. RFID tag must be equivalent to the overall appearance product without the RFID tag, the tag has to be arranged within the roofing product. As a result of this, the RFID tag must be applied during the manufacturing process, and preferably in between layers constituting the product.
  • the first object of the present invention is to therefore set forth a method of manufacture in accordance with the introductory part of this specification and wherein the above problems are overcome.
  • the second object of the present invention is to provide a process plant adapted to manufacturing a roofing product according to the first aspect of the present invention.
  • the third object of the present invention is to provide a method of identifying a roof where the roofing product is manufactured according the first aspect of the present invention.
  • the fourth object is the present invention is to provide an identifiable roofing product consisting of a first layer of material, a second layer of material wherein at least one device adapted to communicate via radio waves is arranged in between the first layer of material and the second layer of material.
  • the invention relates to a manufacturing process of a roofing product not constituting a bituminous membrane, such as a vapour barrier to be arranged between an attic and an underlying rooms or in-between horizontal divisions of a building.
  • the roofing product is, according to figure 1 and 2 , built up and conveyed from left to right as indicated by the arrow 90.
  • the impregnating station 5, 50, 51 impregnates the base 10 by means of two opposed rolls 50, 51, wherein according to the illustrated embodiment, the lower roll 51 is partially immersed in a bath 5 of material, e.g. liquid bitumen.
  • the bath 5 may be heated in order to keep the material fluid and applicable to the web by means of the lower roll 51.
  • the bitumen applied at the impregnating station 5, 50, 51 may constitute substantially pure bitumen, a bitumen/polymer composition or equivalent.
  • the impregnated web leaves the impregnation station as a sub-product 20.
  • the temperature of the sub-product 20 after leaving the impregnating station is typically in the range of 125-150°C.
  • the impregnated sub-product 20 is conveyed to a tagging station 2 where a tag 1, e.g. a device adapted to communicate via radio waves, is applied onto the hot surface of the sub-product 20 by means of a tag applicator 4.
  • a tag e.g. a device adapted to communicate via radio waves
  • the applicator 4 may constitute a tamp-blow applicator comprising an applying head 3 which is adapted to carry the tag 1 to a position near the surface of the sub-product 20 from where the tag 1 is blown onto the surface of the sub-product 20.
  • Applying a tamp-blow applicator rather than a conventional tag applicator is beneficial to the process of manufacture according the present invention as the applying head 3 of the tamp-blow applicator 2 never contacts the hot and sticky surface of the sub-product 20.
  • the tamp-blow applicator is adapted to move the applying head 3 close to the surface of the sub-product 20 and blow the tag 1, by means of pressurised air, onto the surface of the sub-product 20.
  • the pressurised air may advantageously be dried whereby the tag 1 is not subjected to moist.
  • the applicator 4 applies tags 1 to the surface of the sub-product 20 at controlled intervals, whereby an even and longitudinal distance between the tags 1 is obtained.
  • the longitudinal distance may be selected at convenience; however it has been found that a longitudinal distance of abt. 1 meter between the tags 1 will be suitable for most applications.
  • the tags 1 are encoded within the tagging station 2, by means (not shown) adapted to communicate with the tags 1, such that the tags 1 are, prior to being placed onto the surface of the sub-product 20, encoded with data like identification of production line, make, order no., serial number, date and time and the like.
  • the tamp blow applicator 4 may comprise means (not shown) for sensing the distance between the sub-product 20 and the applying head 3 in order to control the blow out of the tag 1.
  • the means may be adapted to compensate for vertical movement and/or vibrations of the sub-product 20.
  • Some applicators which contacts the surface of a product to be tagged or labelled, has been found problematic in applications according to the present invention as the hot and to a certain degree liquid material tends to stick to the means of application whereby the process of application is disrupted.
  • the applicator 4 may be provided to the process of manufacture as a complete unit comprising a first spool accommodating a strip wherein the tags 1 prepared for application is arranged.
  • the applicator 4 may further comprise a second spool adapted for receiving the empty strip.
  • the tag 1 may, on a surface facing the sub-product 20, advantageously be provided with an adhesive which, despite the sub-product 20 being somewhat fluent as a result of the increased temperature, improve the tags 1 adherence to the sub-product 20.
  • One type of tag which has been found less suitable for the application according to the present invention is a type which is arranged on a base constituting a first large surface having a different thermal coefficient of expansion than the components of the tag, i.e. the antenna, which constitutes the second large surface of the tag.
  • tags to high temperatures may render the tag deform, which may, in the application according to the present invention, render the final product corrupted.
  • a manufacturer of roofing products request physical marks identifying the location of a tag, this effect may of course be used for the benefit of the manufacturer.
  • the tags may constitute an "endless" strip accommodating the tags and being arranged on the sub-product 20 as one long strip.
  • the strip accommodating the tags, which may or may not be arranged on both sides of the tag, may constitute a film being able to diffuse into the bitumen.
  • the strip is applied by means of a strip applicator.
  • the applicator 4 is arranged in a position following the impregnating station 5, 50.
  • the illustrated location is however not essential to method according to the present invention.
  • the applicator 4 may equally apply tags directly on an unimpregnated web 10 or, as an alternative, on a layer of material which is not being built-up from a web.
  • the sub-product 20 incl. the applied tag 1 reaches a coating station 6, 7, 9, 60, wherein at least one layer of material, e.g. or bitumen, is applied.
  • the upper face of the sub-product 20 may be covered with material applied to the process by means of pouring or spraying material stemming from a tank 7 or equivalent, and the lower face of the sub-product 20 is covered with material conveyed to the surface by means of a lower roll 9 partially submerged in material within the bath 6.
  • bitumen applied at the coating station 6, 7, 9, 60 may constitute pure bitumen, a bitumen/polyester composition or equivalent, and further, the applied bitumen is not necessarily equivalent to the bitumen applied under the abovementioned impregnating station 5, 50, 51.
  • the material is typically non liquid at natural ambient temperatures
  • the material may be heated in order to keep the material fluid and applicable to the sub-product 20.
  • the sub-product 20 leaves the coating station 6, 7, 9, 60 as the product 30.
  • the rolls 9, 60 may constitute calender rolls adapted to exert pressure in opposition to each other through the layers forming the product 30.
  • the purpose of calendering, or levelling, is to smooth out the product 30 and ensure a substantial uniform distribution of the material applied to the sub-product 20 incl. tag 1 within the coating station 6, 7, 9, 60.
  • the tag 1 is, together with the sub-product 20, conveyed through calendering station.
  • the temperature of the sub-product 30 is immediately after the coating station 6, 7, 9, 60 in the range of 170 - 190°C.
  • the manufacturing process may encompass successive steps of coating and/or calendering, however these successive steps are considered optional and irrelevant in respect to the present invention.
  • the product may, following the coating station, be provided with a layer of slate or equivalent by means of an applicator 8.
  • a read and/or write station 80 may, according to a preferred embodiment, be arranged at a position following the tag application.
  • the station constitutes a device adapted to communicate with the embedded tag 1.
  • the communication may consist of a test of responsiveness of the embedded tag 1.
  • the station 80 may demonstrate equivalent encoding functions to that of the applicator 4, or again as an alternative, the read/write station may be adapted to execute kill commands rendering the tag 1 completely disabled.
  • the slate or equivalent is retained to the surface of the product by means of partially immersion.
  • the product may again be subject to another step of calendering in order to depress the slate or equivalent into the surface of the product.
  • the final product 40 incl. tag 1 is the cut into selected lengths and rolled into rolls.
  • Figure 2 is a top view of a part of a roof covering illustrated during manufacture according to the present invention.
  • the web 10 is initially impregnated, and upon impregnation, forms a sub-product 20 onto which tags 1 are applied.
  • the sub-product 20 incl. tags 1 are then coated whereby another product 32 is formed.
  • Numeral 32 on figure 2 refers to a butt region of a roof covering
  • numeral 40 refers to a tab region of the roof covering.
  • the butt region 31 constitutes a portion prepared for overlapping by a tab region of a roof covering arranged in parallel on a roofing structure. The overlap is typically sealed by means of a welding torch considerably increasing the temperature of the region, which is why the tag 1 should not be arranged within this particular area.
  • the tags 1 are arranged under at theoretical line being substantially parallel with the longitudinal axis of the roof covering in the area close to the butt region 31. Applying the tag 1 in this area has been found beneficial as the roof covering, upon being rolled into rolls and stowed e.g. on pallets, are oriented, due to strength considerations etc., with the butt region 31 facing away from the surface supporting the roll, whereby communicating with the tag is rendered convenient.
  • Communication with the tag 1 embedded within the roofing product may, following the manufacturing process, be conducted by means of a RFID reader/writer, which may be handheld or not, performing radio communication with the tag 1.
  • a RFID reader/writer which may be handheld or not, performing radio communication with the tag 1.
  • the reader/writer is not forming part of the present invention, the device will not receive further elaboration within this specification.
  • the described materials making up the roofing product is based on bitumen. This may however not in any way be considered as limiting for the scope of the present invention as the roofing products according to the present invention may equally be produced by means of materials like asphalt or rubber. Under manufacturing processes wherein the produced product constitutes a vapour barrier, the materials will of course be chosen accordingly, e.g. metal films or any kind of plastic, such as PE, PVC, EVA or TPE.
EP08162158A 2008-08-11 2008-08-11 Procédé de fabrication d'un produit de toiture identifiable incluant un produit de toiture et installation du procédé pour effectuer le procédé Withdrawn EP2154308A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP08162158A EP2154308A1 (fr) 2008-08-11 2008-08-11 Procédé de fabrication d'un produit de toiture identifiable incluant un produit de toiture et installation du procédé pour effectuer le procédé
PCT/EP2009/060005 WO2010018092A1 (fr) 2008-08-11 2009-08-03 Procédé de fabrication d’un produit de toiture identifiable
DK09806410.8T DK2326776T3 (da) 2008-08-11 2009-08-03 Fremgangsmåde til fremstilling af et identificerbart tagdækningsprodukt
EP09806410A EP2326776B1 (fr) 2008-08-11 2009-08-03 Procédé de fabrication d un produit de toiture identifiable
PL09806410T PL2326776T3 (pl) 2008-08-11 2009-08-03 Sposób wytwarzania dającego się zidentyfikować produktu pokrycia dachowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP08162158A EP2154308A1 (fr) 2008-08-11 2008-08-11 Procédé de fabrication d'un produit de toiture identifiable incluant un produit de toiture et installation du procédé pour effectuer le procédé

Publications (1)

Publication Number Publication Date
EP2154308A1 true EP2154308A1 (fr) 2010-02-17

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EP08162158A Withdrawn EP2154308A1 (fr) 2008-08-11 2008-08-11 Procédé de fabrication d'un produit de toiture identifiable incluant un produit de toiture et installation du procédé pour effectuer le procédé

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB179130A (en) 1921-04-28 1922-11-06 Ruberoid Co Improvements in means of identifying prepared roofing fabrics
US1551318A (en) * 1925-08-25 Method of manufacturing composite boofing
GB2094226A (en) 1981-03-06 1982-09-15 Phoenix Ag Sealing sheet for roofs and other parts of buildings
US4384288A (en) 1980-12-31 1983-05-17 Walton Charles A Portable radio frequency emitting identifier
US4567080A (en) 1983-06-20 1986-01-28 V.I.K.-Consult Aps Vapor barrier
US5932287A (en) * 1997-12-18 1999-08-03 Johns Manville International, Inc. Manufacture of built-up roofing products with moisture conditioned fibrous mats
US5951809A (en) * 1990-10-23 1999-09-14 Certainteed Corporation Method of providing identifying indicia to a roofing shingle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1551318A (en) * 1925-08-25 Method of manufacturing composite boofing
GB179130A (en) 1921-04-28 1922-11-06 Ruberoid Co Improvements in means of identifying prepared roofing fabrics
US4384288A (en) 1980-12-31 1983-05-17 Walton Charles A Portable radio frequency emitting identifier
GB2094226A (en) 1981-03-06 1982-09-15 Phoenix Ag Sealing sheet for roofs and other parts of buildings
US4567080A (en) 1983-06-20 1986-01-28 V.I.K.-Consult Aps Vapor barrier
US5951809A (en) * 1990-10-23 1999-09-14 Certainteed Corporation Method of providing identifying indicia to a roofing shingle
US5932287A (en) * 1997-12-18 1999-08-03 Johns Manville International, Inc. Manufacture of built-up roofing products with moisture conditioned fibrous mats

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
ANONYMOUS, RESEARCH DISCLOSURE, vol. 492, no. 028, 10 April 2005 (2005-04-10), Emsworth, GB, XP002512299 *

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