EP1419855B1 - Tube for supplying fastening means for a fastener driving tool - Google Patents

Tube for supplying fastening means for a fastener driving tool Download PDF

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Publication number
EP1419855B1
EP1419855B1 EP03292621A EP03292621A EP1419855B1 EP 1419855 B1 EP1419855 B1 EP 1419855B1 EP 03292621 A EP03292621 A EP 03292621A EP 03292621 A EP03292621 A EP 03292621A EP 1419855 B1 EP1419855 B1 EP 1419855B1
Authority
EP
European Patent Office
Prior art keywords
tube
section
nails
circular
nail
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.)
Expired - Lifetime
Application number
EP03292621A
Other languages
German (de)
French (fr)
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EP1419855A1 (en
Inventor
Alain Vetoretti
Patrick Herelier
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.)
Societe de Prospection et dInventions Techniques SPIT SAS
Original Assignee
Societe de Prospection et dInventions Techniques SPIT SAS
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Filing date
Publication date
Application filed by Societe de Prospection et dInventions Techniques SPIT SAS filed Critical Societe de Prospection et dInventions Techniques SPIT SAS
Publication of EP1419855A1 publication Critical patent/EP1419855A1/en
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Publication of EP1419855B1 publication Critical patent/EP1419855B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C5/00—Manually operated portable stapling tools; Hand-held power-operated stapling tools; Staple feeding devices therefor
    • B25C5/16—Staple-feeding devices, e.g. with feeding means, supports for staples or accessories concerning feeding devices
    • B25C5/1606—Feeding means
    • B25C5/1634—Feeding means employing gravity feed

Definitions

  • the invention relates to a feed tube for fastening elements with a circular head for a fixing device, made of transparent material, according to the preamble of claim 1.
  • a feed tube for fastening elements with a circular head for a fixing device, made of transparent material is known from the document DE 19 541 674 ..
  • the application applies to all types of fasteners using fasteners having a head and a rod. It is therefore particularly applicable to sealing devices for driving nails or to automatic screwdrivers for screwing screws. The following description will often refer to sealing devices, but the applicant does not intend to be limited to this type of device.
  • the nails are introduced into the barrel of the apparatus, in front of the weight, by a flexible supply tube extending between the barrel, downstream, and a funnel, upstream, funnel for receiving a nail-carrying case that is dropped and slide into the tube after unlocking the bottom of the funnel.
  • the flexible supply tubes are made of transparent material to know the filling state of the feed tube. Now, after a certain use and therefore friction of nails, essentially by their circular head against the inner wall of the tube, this wall becomes opaque.
  • the present invention aims to preserve the quality of transparency of the feed tube.
  • the invention relates to a fastener supply tube, with a circular head, for a fixing device, in transparent material, characterized in that its effective inner section is not circular.
  • the inner wall of the tube is longitudinally ribbed, the ribs may be reported on an original inner wall of circular section, in the form of gadroons material different from that of the tube.
  • the inner section of the tube is substantially polygonal, for example triangular.
  • the inner section of the tube has a substantially star-shaped curvilinear shape.
  • the sealing apparatus 100 which is the exemplary fixing apparatus considered here, is used in a substantially vertical position by the user, who can introduce into a funnel 101 provided for this purpose a case-loader containing nails 1. After unlocking the funnel 101, the nails 1 slide in a flexible tube 10, to the front of a feeder for indirect fire, in a buffer guide 102. The user then has no more than to actuate a trigger 103 to drive the nails in the support by the weight.
  • the present invention aims to impose the nail 1 some inner portions of the tube for its contact with the latter, allowing the rest of the inner surface to remain transparent.
  • the effective inner wall 21 of a tube 20 is rib longitudinally, the ribs 23 being shaped so that the contact 22 between the side wall 3 of the circular head 2 of the nail 1 and the effective inner wall 21 of the tube 20 it can only be done at the level of the longitudinal ribs 23.
  • the inner surface 21 will be opacified only at the ribs 23.
  • the ribs 23 are here directly injected with the remainder of the inner wall 21 of the tube 20, from the same material as that of the tube 20.
  • the effective inner surface 31 of the tube 30 results from the addition of the initial circular inner surface and the inner surface of the gadroons. This is in fact the initial inner surface, except at the locations of the gadroons 33 where the inner surface taken into account is that of the gadroons 33, until the latter moves away from the center of the tube that does away from it the initial inner surface.
  • the side wall 3 of the circular head 2 of the nail 1 can not come into contact (32) with the effective inner surface 31 of the tube 30 at the level of the flutes 33.
  • the inner surface 31 will therefore be opacified that at the level of the gadroons 33.
  • the dimensions of the tube 40 are shaped so that the side wall 3 of the circular head 2 of the nail 1 can never come into contact (42) with the dihedrons 43 of the inner surface 41 of the tube 40.
  • the inner surface 41 it will not be opacified at the level of the dihedrons 43.
  • the choice of the dimensions of the tube 40 affects of course the proportion of inner surface 41 that never comes into contact with the nails 1.
  • a tube 50 with an effective inner section 51 of substantially curvilinear star shape is here shaped so that the side wall 3 of the circular head 2 of the nail 1 can never come into contact (52) with rounded dihedrals 53 of the star shape.
  • the inner surface 51 will therefore not be opacified at the level of the dihedrons 53.
  • the inner section of the tube of the invention may be effective for either the nails or the operator.
  • these are the two notions that have been taken into account for, by "effective”, to imply “real”.

Abstract

The user of the fixing equipment (100) introduces a case-loader containing nails into a funnel (101). The nails slide in the supply tube (10) to the front of a plunger for indirect firing, in a guide buffer (102). The user then has to only activate a trigger (103) to drive the nails into the support by the plunger. The transparent supply tube has a non-circular interior section (21) and is arranged so that the contact between the lateral wall of the nail circular head (1) and the tube interior wall is impossible over certain portions (22). The interior wall is longitudinally grooved (23) in the same material as the tube.

Description

L'invention concerne un tube d'alimentation d'éléments de fixation à tête circulaire pour un appareil de fixation, en materiau transparent, selon le préambule de la revendication 1. Un tel tube est connu du document DE 19 541 674 ..The invention relates to a feed tube for fastening elements with a circular head for a fixing device, made of transparent material, according to the preamble of claim 1. Such a tube is known from the document DE 19 541 674 ..

La demande s'applique à tous types d'appareil de fixation utilisant des éléments de fixation comportant une tête et une tige. Elle s'applique donc notamment aux appareils de scellement pour l'enfoncement de clous ou encore aux visseuses automatiques permettant le vissage de vis. La suite de la description fera souvent référence aux appareils de scellement, mais la demanderesse n'entend pas se limiter à ce type d'appareil.The application applies to all types of fasteners using fasteners having a head and a rod. It is therefore particularly applicable to sealing devices for driving nails or to automatic screwdrivers for screwing screws. The following description will often refer to sealing devices, but the applicant does not intend to be limited to this type of device.

Ainsi, dans un appareil de scellement, à tir indirect, les clous sont introduits dans le canon de l'appareil, à l'avant de la masselotte, par un tube souple d'alimentation s'étendant entre le canon, en aval, et un entonnoir, en amont, entonnoir destiné à recevoir un étui-chargeur de clous qu'on fait tomber et glisser dans le tube après déverrouillage du fond de l'entonnoir.Thus, in a sealing apparatus, with indirect fire, the nails are introduced into the barrel of the apparatus, in front of the weight, by a flexible supply tube extending between the barrel, downstream, and a funnel, upstream, funnel for receiving a nail-carrying case that is dropped and slide into the tube after unlocking the bottom of the funnel.

Les tubes souples d'alimentation sont en matériau transparent pour connaître l'état de remplissage du tube d'alimentation. Or, après un certain usage et donc des frottements de clous, essentiellement par leur tête circulaire, contre la paroi intérieure du tube, cette paroi s'opacifie.The flexible supply tubes are made of transparent material to know the filling state of the feed tube. Now, after a certain use and therefore friction of nails, essentially by their circular head against the inner wall of the tube, this wall becomes opaque.

La présente invention vise à préserver la qualité de transparence du tube d'alimentation.The present invention aims to preserve the quality of transparency of the feed tube.

A cet effet, l'invention concerne un tube d'alimentation d'éléments de fixation, à tête circulaire, pour un appareil de fixation, en matériau transparent, caractérisé par le fait que sa section intérieure effective n'est pas circulaire.To this end, the invention relates to a fastener supply tube, with a circular head, for a fixing device, in transparent material, characterized in that its effective inner section is not circular.

Du fait du caractère non circulaire de la section du tube, une partie de sa paroi intérieure échappe au contact des têtes des éléments de fixation, lorsqu'ils glissent dans le tube, et reste donc transparente.Because of the non-circular nature of the section of the tube, part of its inner wall escapes contact with the heads of the fasteners, when they slide in the tube, and thus remains transparent.

Dans une forme de réalisation intéressante, la paroi intérieure du tube est nervurée longitudinalement, les nervures pouvant être rapportées sur une paroi intérieure d'origine à section circulaire, sous forme de godrons en matériau différent de celui du tube.In an interesting embodiment, the inner wall of the tube is longitudinally ribbed, the ribs may be reported on an original inner wall of circular section, in the form of gadroons material different from that of the tube.

Dans une autre forme de réalisation, la section intérieure du tube est sensiblement polygonale, par exemple triangulaire.In another embodiment, the inner section of the tube is substantially polygonal, for example triangular.

Dans une forme encore autre, la section intérieure du tube a une forme sensiblement étoilée curviligne.In yet another form, the inner section of the tube has a substantially star-shaped curvilinear shape.

L'invention sera mieux comprise à l'aide de la description suivante des formes de réalisation préférées du tube de l'invention, en référence au dessin annexé, sur lequel :

  • la figure 1 représente un appareil de scellement avec un tube de la présente invention ;
  • la figure 2 représente une vue en coupe d'un tube de l'art antérieur, avec un clou;
  • la figure 3 représente une vue en coupe d'une première forme de réalisation du tube de la présente invention ;
  • la figure 4 représente une vue en coupe d'une deuxième forme de réalisation du tube de la présente invention ;
  • la figure 5 représente une vue en coupe d'une troisième forme de réalisation du tube de la présente invention, et
  • la figure 6 représente une vue en coupe d'une quatrième forme de réalisation du tube de la présente invention.
The invention will be better understood with the aid of the following description of the preferred embodiments of the tube of the invention, with reference to the appended drawing, in which:
  • the figure 1 represents a sealing apparatus with a tube of the present invention;
  • the figure 2 represents a sectional view of a tube of the prior art, with a nail;
  • the figure 3 is a sectional view of a first embodiment of the tube of the present invention;
  • the figure 4 is a sectional view of a second embodiment of the tube of the present invention;
  • the figure 5 is a sectional view of a third embodiment of the tube of the present invention, and
  • the figure 6 is a sectional view of a fourth embodiment of the tube of the present invention.

En référence aux figures 1 et 2, l'appareil de scellement 100, qui est l'exemple d'appareil de fixation ici considéré, est utilisé en position sensiblement verticale par l'utilisateur, qui peut introduire dans un entonnoir 101 prévu à cet effet un étui-chargeur contenant des clous 1. Après déverrouillage de l'entonnoir 101, les clous 1 glissent dans un tube souple 10, jusqu'à l'avant d'une masselotte pour tir indirect, dans un guide tampon 102. L'utilisateur n'a plus alors qu'à actionner une détente 103 pour entraîner les clous dans le support par la masselotte.With reference to figures 1 and 2 , the sealing apparatus 100, which is the exemplary fixing apparatus considered here, is used in a substantially vertical position by the user, who can introduce into a funnel 101 provided for this purpose a case-loader containing nails 1. After unlocking the funnel 101, the nails 1 slide in a flexible tube 10, to the front of a feeder for indirect fire, in a buffer guide 102. The user then has no more than to actuate a trigger 103 to drive the nails in the support by the weight.

En référence à la figure 2, lorsqu'un clou 1, comprenant une tête circulaire 2 et une tige 4, glisse dans le tube 10, à savoir ici un tube 10 à section intérieure effective 11 circulaire, toute la surface intérieure. 11 du tube 10 est susceptible d'être en contact (12) avec la surface latérale 3 de la tête circulaire 2 du clou 1. En effet, même si le diamètre de la tête circulaire 2 du clou 1 est inférieur à celui de la section intérieure circulaire du tube 10, il peut exister une surface de contact 12 entre la surface latérale 3 de la tête circulaire 2 du clou 1 et la surface intérieure 11 du tube 10, cette surface de contact 12 pouvant statistiquement occuper n'importe quelle portion de la surface intérieure 11, lors du glissement du clou 1. Ainsi, toute la surface intérieure 11 du tube 10 est susceptible, au fur et à mesure du passage des clous 1, d'entrer en contact avec la tête circulaire 2 d'un clou 1. Toute la paroi intérieure 11 du tube 10 va donc être altérée par ce passage et s'opacifier.With reference to the figure 2 , when a nail 1, comprising a circular head 2 and a rod 4, slides in the tube 10, namely here a tube 10 with an effective inner section 11 circular, the entire inner surface. 11 of the tube 10 is likely to be in contact (12) with the lateral surface 3 of the circular head 2 of the nail 1. In fact, even if the diameter of the circular head 2 of the nail 1 is smaller than that of the section circular interior of the tube 10, there may be a contact surface 12 between the lateral surface 3 of the circular head 2 of the nail 1 and the inner surface 11 of the tube 10, this contact surface 12 can statistically occupy any portion of the inner surface 11, during the sliding of the nail 1. Thus, the entire inner surface 11 of the tube 10 is likely, as and when the passage of the nails 1, to contact the circular head 2 of a nail 1. The entire inner wall 11 of the tube 10 will therefore be altered by this passage and opacify.

Le présente invention vise à imposer au clou 1 certaines portions intérieures du tube pour son contact avec ce dernier, permettant au reste de la surface intérieure de demeurer transparente.The present invention aims to impose the nail 1 some inner portions of the tube for its contact with the latter, allowing the rest of the inner surface to remain transparent.

Ainsi en référence à la figure 3, la paroi intérieure effective 21 d'un tube 20 est nervurée longitudinalement, les nervures 23 étant conformées de façon à ce que le contact 22 entre la paroi latérale 3 de la tête circulaire 2 du clou 1 et la paroi intérieure effective 21 du tube 20 ne puisse se faire qu'au niveau des nervures longitudinales 23. La surface intérieure 21 ne sera donc opacifiée qu'au niveau des nervures 23. Les nervures 23 sont ici directement injectées avec le reste de la paroi intérieure 21 du tube 20, issues de la même matière que celle du tube 20.So with reference to the figure 3 , the effective inner wall 21 of a tube 20 is rib longitudinally, the ribs 23 being shaped so that the contact 22 between the side wall 3 of the circular head 2 of the nail 1 and the effective inner wall 21 of the tube 20 it can only be done at the level of the longitudinal ribs 23. The inner surface 21 will be opacified only at the ribs 23. The ribs 23 are here directly injected with the remainder of the inner wall 21 of the tube 20, from the same material as that of the tube 20.

On a reporté les éléments constitutifs de la figure 3 en coupe sur la figure 1 afin de faciliter la compréhension de l'invention.The constituent elements of the figure 3 in section on the figure 1 to facilitate the understanding of the invention.

En référence à la figure 4, on peut prévoir un tube 30 d'origine à section intérieure circulaire, où sont rapportés des godrons 33 d'une matière différente de celle du tube 30, formant des nervures longitudinales 33. Ainsi la surface intérieure effective 31 du tube 30 résulte de l'addition de la surface intérieure circulaire initiale et de la surface intérieure des godrons. C'est en fait la surface intérieure initiale, sauf aux emplacements des godrons 33 où la surface intérieure prise en compte est celle des godrons 33, jusqu'à ce que cette dernière s'éloigne plus du centre du tube que ne s'en éloigne la surface intérieure initiale. Il en résulte que la paroi latérale 3 de la tête circulaire 2 du clou 1 ne peut rentrer en contact (32) avec la surface intérieure effective 31 du tube 30 qu'au niveau des godrons 33. La surface intérieure 31 ne sera donc opacifiée qu'au niveau des godrons 33.With reference to the figure 4 it is possible to provide a tube 30 of origin with a circular inner section, to which are attached godets 33 of a material different from that of the tube 30, forming longitudinal ribs 33. Thus, the effective inner surface 31 of the tube 30 results from the addition of the initial circular inner surface and the inner surface of the gadroons. This is in fact the initial inner surface, except at the locations of the gadroons 33 where the inner surface taken into account is that of the gadroons 33, until the latter moves away from the center of the tube that does away from it the initial inner surface. As a result, the side wall 3 of the circular head 2 of the nail 1 can not come into contact (32) with the effective inner surface 31 of the tube 30 at the level of the flutes 33. The inner surface 31 will therefore be opacified that at the level of the gadroons 33.

En référence à la figure 5, il est possible d'utiliser un tube 40 à section intérieure effective 41 de forme sensiblement polygonale, ici sensiblement triangulaire. Les dimensions du tube 40 sont conformées de façon à ce que la paroi latérale 3 de la tête circulaire 2 du clou 1 ne puisse jamais rentrer en contact (42) avec les dièdres 43 de la surface intérieure 41 du tube 40. La surface intérieure 41 ne sera donc pas opacifiée au niveau des dièdres 43. Le choix des dimensions du tube 40 influe bien sûr sur la proportion de surface intérieure 41 qui n'entre jamais en contact avec les clous 1.With reference to the figure 5 it is possible to use a tube 40 with an effective inner section 41 of substantially polygonal shape, here substantially triangular. The dimensions of the tube 40 are shaped so that the side wall 3 of the circular head 2 of the nail 1 can never come into contact (42) with the dihedrons 43 of the inner surface 41 of the tube 40. The inner surface 41 it will not be opacified at the level of the dihedrons 43. The choice of the dimensions of the tube 40 affects of course the proportion of inner surface 41 that never comes into contact with the nails 1.

En référence à la figure 6, il est également intéressant d'utiliser un tube 50 à section intérieure effective 51 de forme sensiblement étoilée curviligne. Le tube 50 est ici conformé de façon à ce que la paroi latérale 3 de la tête circulaire 2 du clou 1 ne puisse jamais rentrer en contact (52) avec les dièdres arrondis 53 de la forme étoilée. La surface intérieure 51 ne sera donc pas opacifiée au niveau des dièdres 53.With reference to the figure 6 it is also advantageous to use a tube 50 with an effective inner section 51 of substantially curvilinear star shape. The tube 50 is here shaped so that the side wall 3 of the circular head 2 of the nail 1 can never come into contact (52) with rounded dihedrals 53 of the star shape. The inner surface 51 will therefore not be opacified at the level of the dihedrons 53.

Grâce aux divers modes de réalisation de l'invention décrits plus haut, on peut toujours conserver, sur la paroi du tube, des portions transparentes tout au long du tube. Il va de soi que toute autre forme de section intérieure effective du tube est envisageable, tant qu'elle permet de conserver certaines portions hors de tout contact avec la paroi latérale 3 de la tête 2 des clous 1.Thanks to the various embodiments of the invention described above, it is still possible to keep, on the wall of the tube, transparent portions throughout the tube. It goes without saying that any other form of effective inner section of the tube is possible, as long as it allows to keep certain portions out of contact with the side wall 3 of the head 2 of the nails 1.

On remarquera que la section intérieure du tube de l'invention peut être effective soit pour les clous, soit pour l'opérateur. En fait, ce sont les deux notions qui ont été prises en compte pour, par "effectif', sous-entendre "réel".It will be appreciated that the inner section of the tube of the invention may be effective for either the nails or the operator. In fact, these are the two notions that have been taken into account for, by "effective", to imply "real".

Claims (7)

  1. Tube (20, 30, 40, 50), made of transparent material, for supplying fastening means (1), having a circular head (2), for a fastener driving tool (100), characterized in that its effective internal cross section (21, 31, 41, 51) is not circular in order to preserve the transparency of the tube so that its filling state can be seen.
  2. Tube (20, 30) according to Claim 1, the internal wall (21, 31) of which is longitudinally ribbed (23, 33).
  3. Tube (20) according to Claim 2, the ribs (23) of which are made of the same material as the tube (20).
  4. Tube (30) according to Claim 2, the ribs (33) of which include knurls (33) made of a different material from the tube (30).
  5. Tube (40) according to Claim 1, the internal cross section (41) of which is approximately polygonal.
  6. Tube (40) according to Claim 5, the internal cross section (41) of which is approximately triangular.
  7. Tube (50) according to Claim 1, the internal cross section (51) of which is of an approximately star-shaped curved form.
EP03292621A 2002-10-30 2003-10-21 Tube for supplying fastening means for a fastener driving tool Expired - Lifetime EP1419855B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0213597 2002-10-30
FR0213597A FR2846585B1 (en) 2002-10-30 2002-10-30 FIXING ELEMENT SUPPLY TUBE FOR A FASTENING APPARATUS

Publications (2)

Publication Number Publication Date
EP1419855A1 EP1419855A1 (en) 2004-05-19
EP1419855B1 true EP1419855B1 (en) 2009-03-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP03292621A Expired - Lifetime EP1419855B1 (en) 2002-10-30 2003-10-21 Tube for supplying fastening means for a fastener driving tool

Country Status (7)

Country Link
US (1) US6889711B2 (en)
EP (1) EP1419855B1 (en)
AT (1) ATE424282T1 (en)
CA (1) CA2447011C (en)
DE (1) DE60326419D1 (en)
FR (1) FR2846585B1 (en)
PT (1) PT1419855E (en)

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US7051767B2 (en) * 2003-12-30 2006-05-30 Judson A. Smith Company End formed tube
DE102008027856A1 (en) * 2008-06-11 2009-12-24 W. L. Gore & Associates Gmbh Shoe with ventilation in the lower shaft area and air-permeable spacer construction
US9207038B2 (en) 2012-03-21 2015-12-08 Ian Gilley Ammunition loading apparatus and methods thereof

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US3748215A (en) * 1971-11-26 1973-07-24 Schlegel Mfg Co Hollow tubular windlace
US4020974A (en) * 1976-01-15 1977-05-03 Bauer Martin G BB shot container and dispensing filler
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JPS6039605B2 (en) * 1979-05-10 1985-09-06 ソニー株式会社 Goods transfer device
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DE69313711T3 (en) * 1992-04-21 2004-08-05 Ariel Industries Plc Feed pipe for fasteners
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Also Published As

Publication number Publication date
CA2447011C (en) 2007-05-01
PT1419855E (en) 2009-06-02
FR2846585A1 (en) 2004-05-07
ATE424282T1 (en) 2009-03-15
FR2846585B1 (en) 2006-02-03
US6889711B2 (en) 2005-05-10
EP1419855A1 (en) 2004-05-19
US20040144442A1 (en) 2004-07-29
DE60326419D1 (en) 2009-04-16
CA2447011A1 (en) 2004-04-30

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