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Sommaire du brevet 2439213 

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Disponibilité de l'Abrégé et des Revendications

L'apparition de différences dans le texte et l'image des Revendications et de l'Abrégé dépend du moment auquel le document est publié. Les textes des Revendications et de l'Abrégé sont affichés :

  • lorsque la demande peut être examinée par le public;
  • lorsque le brevet est émis (délivrance).
(12) Brevet: (11) CA 2439213
(54) Titre français: FIL-ELECTRODE CODE ET MARQUE ELECTRONIQUEMENT
(54) Titre anglais: CODED AND ELECTRONICALLY TAGGED WELDING WIRE
Statut: Périmé et au-delà du délai pour l’annulation
Données bibliographiques
(51) Classification internationale des brevets (CIB):
  • B23K 09/24 (2006.01)
  • B23K 09/095 (2006.01)
  • B23K 35/00 (2006.01)
  • G01V 15/00 (2006.01)
  • G11B 05/00 (2006.01)
(72) Inventeurs :
  • BLANKENSHIP, GEORGE D. (Etats-Unis d'Amérique)
  • HSU, CHRISTOPHER (Etats-Unis d'Amérique)
(73) Titulaires :
  • LINCOLN GLOBAL, INC.
(71) Demandeurs :
  • LINCOLN GLOBAL, INC. (Etats-Unis d'Amérique)
(74) Agent: GOWLING WLG (CANADA) LLP
(74) Co-agent:
(45) Délivré: 2006-10-10
(22) Date de dépôt: 2000-06-15
(41) Mise à la disponibilité du public: 2000-12-21
Requête d'examen: 2003-09-05
Licence disponible: S.O.
Cédé au domaine public: S.O.
(25) Langue des documents déposés: Anglais

Traité de coopération en matière de brevets (PCT): Non

(30) Données de priorité de la demande:
Numéro de la demande Pays / territoire Date
09/336,574 (Etats-Unis d'Amérique) 1999-06-21

Abrégés

Abrégé français

L'invention concerne des informations désignant des caractéristiques d'un fil-électrode de soudage de métaux, lesquelles caractéristiques sont utiles en ce qui concerne le réglage des paramètres de soudage dans un processus de soudure à l'arc et/ou la sélection entre divers modes de fonctionnement dans un système de soudage, qui sont encodées sur le fil-électrode de soudage et/ou sur d'autres composants de mémoire tels qu'étiquettes ou plaques à code-barre, cartes et étiquettes RFID, cartes à circuit intégré et boutons Touch Memory, et le dispositif de mémoire est scanné préalablement à l'utilisation du fil-électrode, ou au moment de son utilisation, pour permettre un suivi de la distribution du produit, une sélection manuelle et/ou automatique d'un mode de fonctionnement du système de soudage, un réglage manuel et/ou automatique des paramètres de soudage dans un mode de fonctionnement donné, un inventaire des consommables, et autre.


Abrégé anglais

Information pertaining to characteristics of metal welding electrode wire and which characteristics are useful in connection with adjusting welding parameters in an arc welding process and/or selecting between operating modes in a welding system are encoded on welding wire and/or on other memory components such as bar code labels and tags, RFID cards and tags, IC cards, and Touch Memory buttons, and the memory device is scanned prior to and/or at the point of use of the welding wire for enabling tracking of product distribution, manual and/or automatic selection of an operating mode for the welding system, manual and/or automatic adjustment of welding parameters in a given operating mode, consumables inventory, and the like.

Revendications

Note : Les revendications sont présentées dans la langue officielle dans laquelle elles ont été soumises.


What is claimed is:
1. A method of encoding data on a metal welding wire including the steps of:
a) moving a welding wire along a path;
b) providing coded information, said coded information including
information selected from the group consisting of variations in cross-
sectional size of the
welding wire, surface conditions of the welding wire, breaks in the welding
wire, welding
wire composition, change in welding wire composition, twist in the welding
wire, natural
curvature of the welding wire, end of welding wire indicator, amount of
welding wire
remaining on reel, amount of welding wire remaining in canister, welding wire
manufacturer's name, welding wire manufacturer's location, welding wire
designation,
welding wire cross-section shape, welding wire size, flux composition
associated with
welding wire, type of welding wire reel, type of welding wire container, date
of welding wire
manufacture, at least one welding parameter, type of welder, or combinations
thereof;
c) providing an encoding mechanism along said path to impart the coded
information on to said welding wire, said coded information includes at least
one code
segment of one of a pulse count, a pulse width, a pulse frequency, a binary
value, a bar code,
or combinations thereof; and,
d) activating said encoding mechanism to impart said coded information
on at least a portion of said welding wire as said welding wire moves past
said encoding
mechanism.
2. The method as defined in claim 1, wherein said coded information includes
magnetic code having a plurality of code segments at least partially in the
direction of said
path.
3. The method as defined in any one of claims 1-2, wherein each of the code
segments include at least one magnetic pulse having a given pulse width in the
direction of
said path.
4. The method as defined in any one of claims 1-3, wherein said coded
information includes a plurality of magnetic pulses having different pulse
widths in the
21

direction of said path.
5. The method as defined in any one of claims 1-4, wherein said coded
information includes at least one magnetic pulse having a given frequency.
6. The method as defined in any one of claims 1-5, wherein said coded
information includes at least one binary code.
7. The method as defined in any one of claims 1-6, wherein said coded
information comprises a first code segment having at least one magnetic pulse
in the direction
of said path and a second code segment spaced from said first code segment in
said direction
and having a different number of pulses than said first code segment.
8. The method as defined in any one of claims 1-7, wherein said coded
information comprises a first code segment having a magnetic pulse having a
first pulse
width in the direction of said path and a second code segment spaced from said
first code
segment in said direction and having a magnetic pulse having a second pulse
width different
from said first pulse width.
9. The method as defined in any one of claims 1-8, wherein said coded
information comprises a first code segment having a magnetic pulse having a
first frequency
and a second code segment spaced from said first code segment in the direction
of said path
and having a magnetic pulse having a second frequency different from said
first frequency.
10. The method as defined in any one of claims 1-9, wherein said coded
information comprises first and second binary code segments spaced apart in
the direction of
said path and having different binary values with respect to one another.
11. The method as defined in any one of claims 1-10, wherein said coded
information includes a binary code.
12. The method as defined in any one of claims 1-11, wherein said coded
22

information is correlated to an area of said welding wire, a position on said
welding wire or
combinations thereof.
13. A system for imparting corded information to a welding wire for use in
electric arc welding, said system comprising:
a) a device that moves a length of said welding wire along a given path;
b) a source of said coded information, said coded information including
information selected from the group consisting of variations in cross-
sectional size of the
welding wire, surface conditions of the welding wire, breaks in the welding
wire, welding
wire composition, change in welding wire composition, twist in the welding
wire, natural
curvature of the welding wire, end of welding wire indicator, amount of
welding wire
remaining on reel, amount of welding wire remaining in canister, welding wire
manufacturer's name, welding wire manufacturer's location, welding wire
designation,
welding wire cross-section shape, welding wire size, flux composition
associated with
welding wire, type of welding wire reel, type of welding wire container, date
of welding wire
manufacture, at least one welding parameter, type of welder, or combinations
thereof;
c) a device to load said coded information into a readable memory
device; and,
d) a device to coordinate said loading operation so that said coded
information is imparted on at least a portion of said welding wire.
14. A method of imparting corded information to a welding wire for use in
electric arc welding, said method comprising:
a) moving of a length of said welding wire along a given path;
b) providing said coded information, said coded information including
information selected from the group consisting of variations in cross-
sectional size of the
welding wire, surface conditions of the welding wire, breaks in the welding
wire, welding
wire composition, change in welding wire composition, twist in the welding
wire, natural
curvature of the welding wire, end of welding wire indicator, amount of
welding wire
remaining on reel, amount of welding wire remaining in canister, welding wire
manufacturer's name, welding wire manufacturer's location, welding wire
designation,
welding wire cross-section shape, welding wire size, flux composition
associated with
23

welding wire, type of welding wire reel, type of welding wire container, date
of welding wire
manufacture, at least one welding parameter, type of welder, or combinations
thereof; and,
c) loading said coded information into a readable memory device to be
associated with said welding wire so that said corded information is imparted
on at least a
portion of said welding wire.
24

Description

Note : Les descriptions sont présentées dans la langue officielle dans laquelle elles ont été soumises.


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width of 1 for segment 40, segments 42,44 and 46 respectively are multiples of
the unit width by
3,2 and 5. Again, each code segment represents a different bit of information
regarding the welding
wire. In Figure 5, the code segments 48, 50, 52, and 54 are shown as magnetic
pulses having
different frequencies as represented by the designations f1, f3, f2 and f5.
Again the different
segments represent different bits of information pertaining to the welding
wire.
Figure 5 illustrates an arrangement for imprinting a plurality of magnetic
code segments on
a welding wire and wherein the segments have different binary values such as
different binary
numbers. A number of components parts of the encoding arrangement shown in
Figure 6 correspond
to those in the arrangement shown in Figure 1, whereby the corresponding
components are
designated in Figure 6 by the same numerals appearing in Figure 1. In the
embodiment of Figure
6, encoding unit 10A comprises encoder 56, binary counter 58 and clock 60, and
a series of code
storing components 62, 64, 66, and 68 which respectively store binary codes A,
B, C, and D for
imprinting on welding wire W. Encoding unit 10A is activated in response to
the movement of wire
W along path P by movement sensing device 24 in the manner described
hereinabove in connection
with Figure 1 and, when activated, operates to imprint binary codes A, B, C,
and D on wire W as
depicted in Figure 7. In particular in this respect, clock 60 determines the
space d between the code
segments and counter 58 enables the sequential output of code segments A, B,
C, and D from
encoder 56 to switch 14 for imprinting on wire W. Further, as describe in
connection with Figure
1, sensor 24 provides input to encoder 56 which enables the imprinting of
tracking information on
the wire. As with the code segments in Figures 3-5, each of the segments A,
B, C, and D represents
a bit of information pertaining to welding wire W. In this respect, and by
way of example only,
binary code A can identify the manufacturer and/or manufacturing location, and
binary codes B, C
and D can identify non-variable characteristics of the wire which are relevant
to operating welding
apparatus so as to obtain the highest quality work and optimum performance of
the apparatus and
which, in this respect, might identify the alloy of the wire, the specified
wire diameter and a suitable
welding procedure for the specified wire diameter. Again, codes A, B, C, and
D provide a
predetermined menu of information for encoding on the welding wire, and
additional and/or other
11

information pertaining to wire W can be encoded thereon through the use of
writing device 23 in the
manner and for the purpose set forth with respect thereto in connection with
the description of Figure
1. It will likewise be appreciated that the information imprinted on wire W
can be recorded
simultaneously on a memory device 28 as described hereinabove.
Figure 8 schematically illustrates the manner in which operating conditions
and/or different
operating modes in an electric arc welding process can be controlled in
accordance with stored,
coded information pertaining to a welding wire electrode to be used in the
process. More
particularly in this respect, Figure 8 illustrates by way of example an
electric arc welding system
including a welding station to which electrode wire W is fed from a reel 70
and at which the
electrode wire W passes through a contact sleeve 76 connected to power supply
74 by a line or lead
78, and workpiece 72 is connected to the power supply by line 80. For
determining the actual arc
voltage Va, a voltage sensing device 82 is provided in series with lines 78
and 80 and has an output
line 84 for directing the arc voltage signal to a comparator 86 for the
purpose set forth hereinafter.
In Figure 8, the welding system is shown as having a plurality of operating
conditions
including different operating modes which are controlled in accordance with
the present invention
as set forth hereinafter, and Figure 8 in conjunction with Figure 9 shows
application of the present
invention to controlling operating conditions in the form of operating
parameters which can be
controlled in conjunction with or independent of the operating modes. With
reference first to Figure
8, the welding system is shown, for purposes of example only, to be operable
in a spray arc mode
through a spray arc controller 88, in a pulsed arc mode through a pulsed are
controller 90, and in a
spatter mode through a spatter voltage controller 92. Each mode controller is
operable through a
system controller 94 to output the corresponding control program to power
supply 74 through line
96. More particularly in this respect, each of the controller 88, 90 and 92
is operable to output a
signal to system controller 94 through the corresponding output line 88a, 90a
and 92a which signal
corresponds to coded information pertaining to an electrode suitable for the
corresponding mode of
operation. Coded information pertaining to the electrode wire Won reel 70 is
inputted to system
12

CA 02439213 2003-09-05
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Figures 10 and 11 illustrate welding wire reels 132 and 132A, respectively,
having a flange
134 provided with non-contact type memory devices of the character described
and discussed
hereinabove and containing information pertaining to the welding wire on the
reel . In the
embodiment of Figure 10, the memory device is a bar code in the form of a
label 136 securely
attached to flange 134 such as by an adhesive bond, and in the embodiment of
Figure 11, the
memory device is an RFID tag or button 138 attached to flange 134 and having
an enclosed coil
antenna 140. Figure 12 schematically illustrates the use of bar code 136 and
RFID device138 in
connection with controlling the operating mode for the welding system shown
and described
hereinabove in connection with Figure 8. Accordingly, corresponding parts of
the welding system
illustrated in Figure 8 are designated by the same numerals in Figure 12,
wherein it will be
appreciated that signal lines 88a, 90a and 92a are respectively connected to
the spray arc controller,
pulsed are controller and spatter voltage controller components shown in
Figure 8 and that signal
line 109 is connected to the set point voltage component 108 in Figure 8.
In Figure 12, a bar code reader 142 is positioned to read bar code 136 on reel
132 which,
while not shown in detail, is in its mounted position on the welding
apparatus. Figure 12 also shows
a reader/decoder 144 having an antenna 146 for communicating with RFID tag 138
which, while not
shown for purposed of clarity would be on a wire reel as shown in Figure 11.
Further , Figure 12
shows a Touch Memory button 148 which, as will become apparent hereinafter,
can be mounted on
a wire reel such as reel 132 for providing information pertaining to the wire.
Reader 142 is
connected to read/decode component 144 by line 150 and Touch Memory button 146
is connected
to the read/decode component by line 152, whereby the information pertaining
to electrode wire W
extracted from the corresponding memory device is transmitted to and decoded
in component 144
and then outputted through line 154 to system controller 94 as a control
signal for determining the
mode of operation of the arc welding system. Again, while not shown, the
memory and reading
devices in Figure 12 can operate to control operating parameters in
connection with a given mode
of operation of the welding process as described hereinabove in connection
with Figure 9.
Furthermore, as described in connection with Figure 8, the information
extracted from the encoded
15

CA 02439213 2003-09-05
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Dessin représentatif
Une figure unique qui représente un dessin illustrant l'invention.
États administratifs

2024-08-01 : Dans le cadre de la transition vers les Brevets de nouvelle génération (BNG), la base de données sur les brevets canadiens (BDBC) contient désormais un Historique d'événement plus détaillé, qui reproduit le Journal des événements de notre nouvelle solution interne.

Veuillez noter que les événements débutant par « Inactive : » se réfèrent à des événements qui ne sont plus utilisés dans notre nouvelle solution interne.

Pour une meilleure compréhension de l'état de la demande ou brevet qui figure sur cette page, la rubrique Mise en garde , et les descriptions de Brevet , Historique d'événement , Taxes périodiques et Historique des paiements devraient être consultées.

Historique d'événement

Description Date
Le délai pour l'annulation est expiré 2015-06-15
Lettre envoyée 2014-06-16
Accordé par délivrance 2006-10-10
Inactive : Page couverture publiée 2006-10-09
Inactive : Taxe finale reçue 2006-07-28
Préoctroi 2006-07-28
Un avis d'acceptation est envoyé 2006-07-11
Lettre envoyée 2006-07-11
Un avis d'acceptation est envoyé 2006-07-11
Inactive : CIB attribuée 2006-06-30
Inactive : Approuvée aux fins d'acceptation (AFA) 2006-05-29
Inactive : CIB de MCD 2006-03-12
Modification reçue - modification volontaire 2006-02-06
Modification reçue - modification volontaire 2005-10-31
Modification reçue - modification volontaire 2005-10-27
Inactive : Dem. de l'examinateur par.30(2) Règles 2005-08-01
Modification reçue - modification volontaire 2005-05-27
Inactive : Dem. de l'examinateur par.30(2) Règles 2005-04-27
Modification reçue - modification volontaire 2004-04-13
Inactive : Page couverture publiée 2003-11-20
Modification reçue - modification volontaire 2003-11-14
Inactive : Lettre officielle 2003-11-05
Inactive : CIB attribuée 2003-10-23
Inactive : CIB en 1re position 2003-10-22
Inactive : CIB en 1re position 2003-10-22
Exigences applicables à une demande divisionnaire - jugée conforme 2003-09-25
Lettre envoyée 2003-09-25
Lettre envoyée 2003-09-25
Demande reçue - nationale ordinaire 2003-09-25
Demande reçue - divisionnaire 2003-09-05
Exigences pour une requête d'examen - jugée conforme 2003-09-05
Toutes les exigences pour l'examen - jugée conforme 2003-09-05
Demande publiée (accessible au public) 2000-12-21

Historique d'abandonnement

Il n'y a pas d'historique d'abandonnement

Taxes périodiques

Le dernier paiement a été reçu le 2006-06-15

Avis : Si le paiement en totalité n'a pas été reçu au plus tard à la date indiquée, une taxe supplémentaire peut être imposée, soit une des taxes suivantes :

  • taxe de rétablissement ;
  • taxe pour paiement en souffrance ; ou
  • taxe additionnelle pour le renversement d'une péremption réputée.

Les taxes sur les brevets sont ajustées au 1er janvier de chaque année. Les montants ci-dessus sont les montants actuels s'ils sont reçus au plus tard le 31 décembre de l'année en cours.
Veuillez vous référer à la page web des taxes sur les brevets de l'OPIC pour voir tous les montants actuels des taxes.

Titulaires au dossier

Les titulaires actuels et antérieures au dossier sont affichés en ordre alphabétique.

Titulaires actuels au dossier
LINCOLN GLOBAL, INC.
Titulaires antérieures au dossier
CHRISTOPHER HSU
GEORGE D. BLANKENSHIP
Les propriétaires antérieurs qui ne figurent pas dans la liste des « Propriétaires au dossier » apparaîtront dans d'autres documents au dossier.
Documents

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Liste des documents de brevet publiés et non publiés sur la BDBC .

Si vous avez des difficultés à accéder au contenu, veuillez communiquer avec le Centre de services à la clientèle au 1-866-997-1936, ou envoyer un courriel au Centre de service à la clientèle de l'OPIC.

({010=Tous les documents, 020=Au moment du dépôt, 030=Au moment de la mise à la disponibilité du public, 040=À la délivrance, 050=Examen, 060=Correspondance reçue, 070=Divers, 080=Correspondance envoyée, 090=Paiement})


Description du
Document 
Date
(aaaa-mm-jj) 
Nombre de pages   Taille de l'image (Ko) 
Description 2003-09-04 20 1 574
Abrégé 2003-09-04 1 28
Dessins 2003-09-04 11 419
Revendications 2003-09-04 3 158
Dessin représentatif 2003-10-23 1 19
Revendications 2004-04-12 5 171
Dessins 2005-05-26 11 221
Revendications 2005-05-26 4 150
Revendications 2005-10-26 4 144
Dessin représentatif 2006-09-18 1 9
Abrégé 2006-09-27 1 28
Accusé de réception de la requête d'examen 2003-09-24 1 173
Avis du commissaire - Demande jugée acceptable 2006-07-10 1 161
Avis concernant la taxe de maintien 2014-07-27 1 172
Correspondance 2003-09-24 1 41
Correspondance 2003-11-04 1 15
Taxes 2004-05-25 1 29
Taxes 2005-05-18 1 27
Correspondance 2006-07-27 1 41