EP1352716A1 - One-piece coupling for compressed gas fastening tool and a compressed gas cartridge - Google Patents

One-piece coupling for compressed gas fastening tool and a compressed gas cartridge Download PDF

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Publication number
EP1352716A1
EP1352716A1 EP03290850A EP03290850A EP1352716A1 EP 1352716 A1 EP1352716 A1 EP 1352716A1 EP 03290850 A EP03290850 A EP 03290850A EP 03290850 A EP03290850 A EP 03290850A EP 1352716 A1 EP1352716 A1 EP 1352716A1
Authority
EP
European Patent Office
Prior art keywords
sleeve
fitting according
sealing
cartridge
compressed gas
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
Application number
EP03290850A
Other languages
German (de)
French (fr)
Other versions
EP1352716B1 (en
Inventor
Gérard Revol
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
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Publication of EP1352716A1 publication Critical patent/EP1352716A1/en
Application granted granted Critical
Publication of EP1352716B1 publication Critical patent/EP1352716B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B39/00—School forms; Benches or forms combined with desks
    • A47B39/02—Adjustable forms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B83/00—Combinations comprising two or more pieces of furniture of different kinds
    • A47B83/02—Tables combined with seats
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F17C2205/0326—Valves electrically actuated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/037—Quick connecting means, e.g. couplings
    • F17C2205/0373—Adapters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/05—Applications for industrial use
    • F17C2270/0545—Tools
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0736—Capsules, e.g. CO2

Definitions

  • a gas-powered piston or pad fixing device compressed is supplied with compressed gas from a cartridge fuel containing, in an inner casing, the compressed gas liquid state.
  • the cartridge contains, between the envelope inner and outer shell, a propellant also intended for keep the fuel in a liquid state.
  • a male ejection nozzle is connected to the inner envelope and protrudes out of the outer envelope.
  • a determined dose of compressed gas is injected from the fuel cartridge in a combustion chamber of the fixing, the dosage being controlled only if the compressed gas is dosed in the state liquid.
  • the fasteners To dose the compressed gas injected into the combustion chamber, the fasteners often include a solenoid valve with a compressed gas inlet nozzle.
  • Known intake devices such as that described in FR 2 771 796, have a male intake nozzle, inside a bowl formed by a peripheral protective skirt. This tip Intake is intended to cooperate with a cartridge ejection valve to move the valve away from its seat and thus allow the transfer of gas from the cartridge into the device's intake device. During the operation of transfer, it is necessary to seal around the cartridge valve and the inlet nozzle of the appliance. To this end, often, and especially in in the case of the cartridge described in FR 2 771 796, the dejection valve of the cartridge extends into a male end piece which cooperates with the male end piece inlet of the device inside a fitting so arranged appropriate.
  • the connector has a seal extending on either side of the joint plane of the two male end pieces and it is held in a cap adapter engaged in the solenoid valve protection bowl of the fixing device as well as in a protection also provided on the compressed gas cartridge.
  • the present invention aims to overcome this multiplicity of components.
  • the invention relates to a connector for, on the one hand, a nozzle. ejecting a fuel cartridge intended to supply gas compressed a compressed gas fastener and, on the other hand, a inlet nozzle of a device for admitting gas into the appliance, comprising sealing means, intended to ensure sealing between the two end pieces and means for holding the sealing means between the cartridge and the inlet means, connection characterized in that it is monobloc and shaped to ensure the sealing and its maintenance between the cartridge and the means of admission.
  • the sealing and holding connection may include a sleeve tubular sealing and holding surrounding the two end pieces, which can be extended by an annular support foot.
  • the inner wall of the sealing sleeve can be shaped to ensure a seal between the two end pieces by their side walls, possibly with an internal leakage gas retaining groove.
  • the sealing sleeve can also be arranged to ensure sealing between the two end pieces by annular end surfaces against transverse shoulders of the cartridge and the intake device.
  • the sleeve may be a smooth sleeve or a sleeve made of bellows.
  • the sleeve can also seal at the end via flexible O-rings arranged in grooves of the sleeve.
  • the connector is shaped to be forcibly mounted between the cartridge and the intake device, with sealing means and counter-support means to be placed in the cartridge to maintain the sealing means.
  • the connector of the invention in all its various embodiments of all the figures in the appendix, is intended to connect an ejection nozzle 1 for a cartridge of compressed gas in the liquid state 2 and an inlet nozzle 3 of a gas inlet solenoid valve 4 in a compressed gas fixing device.
  • the two tips are here male end caps.
  • the intake nozzle 3 extends inside a bowl 5 formed by a peripheral skirt 6 of the solenoid valve 4.
  • the inlet nozzle 3 and the bottom 7 of the bowl 5 form a shoulder annular "transverse" 8.
  • the ejection nozzle 1 extends out of a bowl 9 formed by a skirt device 10 of cartridge 2 and extends a central stud 11 with which it forms an "transverse" annular shoulder 12.
  • the connector 13 which seals between the two end pieces 1 and 3, is a monobloc connection. Its conformation allows it to ensure both its sealing function and its holding function between the cartridge 2 and the solenoid valve 4.
  • the connector 13 consists of a tubular sealing sleeve and support 14 extended by an annular support foot 15.
  • the sleeve 14 has a cylindrical outer lateral surface 16 right, of the same axis 17 as the solenoid valve and the cartridge, and a surface interior lateral eventful 18, forming an internal groove 19 of leakage gas retention and two sleeve end edges 20, 21 thinned.
  • the retention groove 19 extends on either side of the joint plane of the two end pieces, when they are butted together, sealing being therefore ensured by the outer side walls 31, 33 of these end pieces and the edges end 21, 20 ( Figure 1).
  • the connector 13 is already held in the two shoulders 8 and 12 of the solenoid valve and the cartridge.
  • the support foot 15 has a central disc 22, orthogonal to axis 17, extended by a skirt peripheral 23, substantially cylindrical, of axis 17, ending in a bead 24 inserted, very slightly by force, into a groove 25 formed in the inner wall 26 of the skirt 10 of the cartridge.
  • connection 213 of FIG. 2 is generally quite similar to that of the Figure 1. It is distinguished by the inner side wall 218 of the sleeve 214 which is a straight cylinder, like the outer wall 216, and by the edges 220 and 221 of the sleeve 214 which are no longer thinned but have grooves 227, 228 formed in their transverse annular surfaces 229, 230 to receive flexible O-rings 231, 232 intended to come resting against shoulders 8 and 12. With fitting 213, the seal is therefore ensured by the annular end surfaces 229, 230.
  • the connector 313 of Figure 3 is distinguished by the fact that it comprises only one tubular sealing and holding sleeve 314, which is smooth, with external 316 and internal 318 lateral surfaces formed by straight cylinders, without holding foot.
  • the sleeve 314 extends around the two end pieces 1, 3, against which it is pressed laterally and bears in butt by its two annular surfaces 329, 330 against the shoulders 8, 12, slightly compressed in the axial direction. It is by these surfaces annulars 329 and 330 and the inner side surface 318 that the seal is assured.
  • the compression of the sleeve is caused by the fact that its length at rest is very slightly greater than the distance between the free annular surface of the central stud 11 of the cartridge, around the nozzle 1, and the bottom 7 of the bowl 5 of the solenoid valve 4.
  • the connector 413 in FIG. 4 is very similar to that in FIG. 3. It does not is distinguished from it only by the structure of the outer side walls 416 and interior 418 which are no longer smooth but bellows-shaped.
  • the connector 523 of FIG. 5 comprises a corrugated sealing sleeve and holding 514 supported by a first edge 533 against the shoulder 8 of the solenoid valve 4 and, by a second opposite edge 534, against the shoulder 12 of the cartridge 2.
  • a corrugated sealing sleeve and holding 514 supported by a first edge 533 against the shoulder 8 of the solenoid valve 4 and, by a second opposite edge 534, against the shoulder 12 of the cartridge 2.
  • an inner rib 535 close to the edge 533, the sleeve presses against the inlet nozzle 3 and, by a rib outside 536, close to edge 534, it leans against the peripheral skirt 6 of the solenoid valve 4.
  • a frustoconical holding skirt 537 extends from an area near the edge 534, between the outer rib 536 and the edge 534, and ends with a curved edge 538 introduced at force in the groove 25 of the inner wall of the skirt 10 of the cartridge 2.
  • the skirt 537 constitutes counter-support means which, being arranged in the bowl 9 of the cartridge, maintain the sealing means constituted by the sleeve 514.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Compressor (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Pens And Brushes (AREA)

Abstract

The connector (13,213,513) is used for an ejection nozzle (1) of a fuel cartridge (2) supplying compressed gas to compressed gas fixing equipment and an admission nozzle (3) of a gas admission device (4) into the equipment. It comprises means for sealing between the two nozzles and means for holding the sealing means between the cartridge and the admission device. The connector consists of a tubular sealing retaining sleeve (14) extended by an annular retaining foot (15).

Description

Un appareil de fixation de tampon ou de clou, à piston propulsé par gaz comprimé, est alimenté en gaz comprimé à partir d'une cartouche de carburant contenant, dans une enveloppe intérieure, le gaz comprimé à l'état liquide. Outre le carburant, la cartouche contient, entre l'enveloppe intérieure et une enveloppe extérieure, un propulseur destiné aussi à maintenir le carburant à l'état liquide. Un embout d'éjection mâle est relié à l'enveloppe intérieure et fait saillie hors de l'enveloppe extérieure.A gas-powered piston or pad fixing device compressed, is supplied with compressed gas from a cartridge fuel containing, in an inner casing, the compressed gas liquid state. Besides the fuel, the cartridge contains, between the envelope inner and outer shell, a propellant also intended for keep the fuel in a liquid state. A male ejection nozzle is connected to the inner envelope and protrudes out of the outer envelope.

A chaque tir, une dose déterminée de gaz comprimé est injectée depuis la cartouche de carburant dans une chambre de combustion de l'appareil de fixation, le dosage n'étant maítrisé que si le gaz comprimé est dosé à l'état liquide.With each shot, a determined dose of compressed gas is injected from the fuel cartridge in a combustion chamber of the fixing, the dosage being controlled only if the compressed gas is dosed in the state liquid.

Pour doser le gaz comprimé injecté dans la chambre de combustion, les appareils de fixation comprennent souvent une électrovanne comportant un embout d'admission de gaz comprimé.To dose the compressed gas injected into the combustion chamber, the fasteners often include a solenoid valve with a compressed gas inlet nozzle.

Les dispositifs d'admission connus, comme par exemple celui décrit dans FR 2 771 796, comportent un embout d'admission mâle, à l'intérieur d'une cuvette formée par une jupe périphérique de protection. Cet embout d'admission est destiné à coopérer avec un clapet d'éjection de la cartouche pour écarter le clapet de son siège et permettre ainsi le transfert de gaz de la cartouche dans le dispositif d'admission de l'appareil. Lors de l'opération de transfert, il faut assurer l'étanchéité autour du clapet de la cartouche et de l'embout d'admission de l'appareil. A cet effet, souvent, et notamment dans le cas de la cartouche décrite dans FR 2 771 796, le clapet déjection de la cartouche se prolonge en un embout mâle qui coopère avec l'embout mâle d'admission de l'appareil à l'intérieur d'un raccord agencé de façon appropriée.Known intake devices, such as that described in FR 2 771 796, have a male intake nozzle, inside a bowl formed by a peripheral protective skirt. This tip Intake is intended to cooperate with a cartridge ejection valve to move the valve away from its seat and thus allow the transfer of gas from the cartridge into the device's intake device. During the operation of transfer, it is necessary to seal around the cartridge valve and the inlet nozzle of the appliance. To this end, often, and especially in in the case of the cartridge described in FR 2 771 796, the dejection valve of the cartridge extends into a male end piece which cooperates with the male end piece inlet of the device inside a fitting so arranged appropriate.

Le raccord comporte un joint d'étanchéité s'étendant de part et d'autre du plan de joint des deux embouts mâles et il est maintenu dans une coiffe d'adaptation engagée dans la cuvette de protection de l'électrovanne d'admission de l'appareil de fixation ainsi que dans une cuvette de protection également ménagée sur la cartouche de gaz comprimé.The connector has a seal extending on either side of the joint plane of the two male end pieces and it is held in a cap adapter engaged in the solenoid valve protection bowl of the fixing device as well as in a protection also provided on the compressed gas cartridge.

La présente invention vise à s'affranchir de cette multiplicité de composants. The present invention aims to overcome this multiplicity of components.

A cet effet, l'invention concerne un raccord pour, d'une part, un embout d'éjection d'une cartouche de carburant destinée à alimenter en gaz comprimé un appareil de fixation à gaz comprimé et, d'autre part, un embout d'admission d'un dispositif d'admission de gaz dans l'appareil, comportant des moyens d'étanchéité, destinés à assurer l'étanchéité entre les deux embouts et des moyens de maintien des moyens d'étanchéité entre la cartouche et les moyens d'admission, raccord caractérisé par le fait qu'il est monobloc et conformé pour assurer l'étanchéité et son maintien entre la cartouche et les moyens d'admission.To this end, the invention relates to a connector for, on the one hand, a nozzle. ejecting a fuel cartridge intended to supply gas compressed a compressed gas fastener and, on the other hand, a inlet nozzle of a device for admitting gas into the appliance, comprising sealing means, intended to ensure sealing between the two end pieces and means for holding the sealing means between the cartridge and the inlet means, connection characterized in that it is monobloc and shaped to ensure the sealing and its maintenance between the cartridge and the means of admission.

Le raccord d'étanchéité et de maintien peut comporter un manchon tubulaire d'étanchéité et de maintien entourant les deux embouts, pouvant être prolongé par un pied de maintien annulaire.The sealing and holding connection may include a sleeve tubular sealing and holding surrounding the two end pieces, which can be extended by an annular support foot.

La paroi intérieure du manchon d'étanchéité peut être conformée pour assurer une étanchéité entre les deux embouts par leurs parois latérales, avec éventuellement une gorge interne de rétention de gaz de fuite.The inner wall of the sealing sleeve can be shaped to ensure a seal between the two end pieces by their side walls, possibly with an internal leakage gas retaining groove.

Le manchon d'étanchéité peut aussi être agencé pour assurer une étanchéité entre les deux embouts par des surfaces annulaires en bout contre des épaulements transversaux de la cartouche et du dispositif d'admission.The sealing sleeve can also be arranged to ensure sealing between the two end pieces by annular end surfaces against transverse shoulders of the cartridge and the intake device.

Dans ce cas, le manchon peut être un manchon lisse ou un manchon en soufflet.In this case, the sleeve may be a smooth sleeve or a sleeve made of bellows.

Le manchon peut également assurer l'étanchéité en bout par l'intermédiaire de joints toriques souples disposés dans des gorges du manchon.The sleeve can also seal at the end via flexible O-rings arranged in grooves of the sleeve.

Dans une autre forme de réalisation, le raccord est conformé pour être monté à force entre la cartouche et le dispositif d'admission, avec des moyens d'étanchéité et des moyens de contre-appui à disposer dans la cartouche pour maintenir les moyens d'étanchéité.In another embodiment, the connector is shaped to be forcibly mounted between the cartridge and the intake device, with sealing means and counter-support means to be placed in the cartridge to maintain the sealing means.

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

  • la figure 1 est une demi-vue en coupe axiale d'une première forme de réalisation du raccord ;
  • la figure 2 est une demi-vue en coupe axiale d'une deuxième forme de réalisation du raccord ;
  • la figure 3 est une demi-vue en coupe axiale d'une troisième forme de réalisation du raccord ;
  • la figure 4 est une demi-vue en coupe axiale d'une quatrième forme de réalisation du raccord et
  • la figure 5 est une demi-vue en coupe axiale d'une cinquième forme de réalisation du raccord.
The invention will be better understood with the aid of the following description of several embodiments of the connector, with reference to the appended drawing, in which
  • Figure 1 is a half view in axial section of a first embodiment of the connector;
  • Figure 2 is a half view in axial section of a second embodiment of the connector;
  • Figure 3 is a half view in axial section of a third embodiment of the connector;
  • FIG. 4 is a half-view in axial section of a fourth embodiment of the connector and
  • Figure 5 is a half view in axial section of a fifth embodiment of the connector.

En référence à la figure 1, le raccord de l'invention, dans toutes ses diverses formes de réalisation de toutes les figures en annexe, est destiné à raccorder un embout d'éjection 1 d'une cartouche de gaz comprimé à l'état liquide 2 et un embout d'admission 3 d'une électrovanne 4 d'admission de gaz dans un appareil de fixation à gaz comprimé. Les deux embouts sont ici des embouts mâles.Referring to Figure 1, the connector of the invention, in all its various embodiments of all the figures in the appendix, is intended to connect an ejection nozzle 1 for a cartridge of compressed gas in the liquid state 2 and an inlet nozzle 3 of a gas inlet solenoid valve 4 in a compressed gas fixing device. The two tips are here male end caps.

L'embout d'admission 3 s'étend à l'intérieur d'une cuvette 5 formée par une jupe périphérique 6 de l'électrovanne 4.The intake nozzle 3 extends inside a bowl 5 formed by a peripheral skirt 6 of the solenoid valve 4.

L'embout d'admission 3 et le fond 7 de la cuvette 5 forment un épaulement annulaire "transversal" 8.The inlet nozzle 3 and the bottom 7 of the bowl 5 form a shoulder annular "transverse" 8.

L'embout d'éjection 1 s'étend hors d'une cuvette 9 formée par une jupe périphérique 10 de la cartouche 2 et prolonge un plot central 11 avec lequel il forme un épaulement annulaire "transversal" 12.The ejection nozzle 1 extends out of a bowl 9 formed by a skirt device 10 of cartridge 2 and extends a central stud 11 with which it forms an "transverse" annular shoulder 12.

Le raccord 13, qui assure l'étanchéité entre les deux embouts 1 et 3, est un raccord monobloc. Sa conformation lui permet d'assurer à la fois sa fonction d'étanchéité et sa fonction de maintien entre la cartouche 2 et l'électrovanne 4.The connector 13, which seals between the two end pieces 1 and 3, is a monobloc connection. Its conformation allows it to ensure both its sealing function and its holding function between the cartridge 2 and the solenoid valve 4.

Le raccord 13 est constitué d'un manchon tubulaire d'étanchéité et de maintien 14 prolongé par un pied de maintien annulaire 15.The connector 13 consists of a tubular sealing sleeve and support 14 extended by an annular support foot 15.

Le manchon 14 présente une surface latérale extérieure 16 cylindrique droite, de même axe 17 que l'électrovanne et la cartouche, et une surface latérale intérieure 18 mouvementée, formant une gorge interne 19 de rétention de gaz de fuite et deux bords d'extrémité de manchon 20, 21 amincis. La gorge de rétention 19 s'étend de part et d'autre du plan de joint des deux embouts, lorsqu'ils sont aboutés, l'étanchéité étant donc assurée par les parois latérales extérieures 31, 33 de ces embouts et les bords d'extrémité 21, 20 (figure 1).The sleeve 14 has a cylindrical outer lateral surface 16 right, of the same axis 17 as the solenoid valve and the cartridge, and a surface interior lateral eventful 18, forming an internal groove 19 of leakage gas retention and two sleeve end edges 20, 21 thinned. The retention groove 19 extends on either side of the joint plane of the two end pieces, when they are butted together, sealing being therefore ensured by the outer side walls 31, 33 of these end pieces and the edges end 21, 20 (Figure 1).

Par les deux bords amincis 20 et 21 du manchon 14, le raccord 13 est déjà maintenu dans les deux épaulements 8 et 12 de l'électrovanne et de la cartouche.By the two thinned edges 20 and 21 of the sleeve 14, the connector 13 is already held in the two shoulders 8 and 12 of the solenoid valve and the cartridge.

Mais c'est surtout par l'ensemble des réactions d'appui des portions de manchon, de part et d'autre de la gorge 19, contre les deux embouts, du bord d'extrémité de manchon aminci libre 20, contre l'épaulement d'électrovanne 8 et du pied de maintien 15 contre le plot central 11 et la jupe 10 de la cartouche 2 que le raccord 13 est maintenu en position de fonctionnement entre l'électrovanne et la cartouche. Le pied de maintien 15 comporte un disque central 22, orthogonal à l'axe 17, prolongé par une jupe périphérique 23, sensiblement cylindrique, d'axe 17, se terminant par un bourrelet 24 introduit, très légèrement à force, dans une gorge 25 ménagée dans la paroi intérieure 26 de la jupe 10 de la cartouche.But it is above all by the set of support reactions of the portions of sleeve, on either side of the groove 19, against the two end pieces, of the free thinned sleeve end edge 20, against the shoulder solenoid valve 8 and the holding foot 15 against the central stud 11 and the skirt 10 of the cartridge 2 that the connector 13 is held in the position of operation between the solenoid valve and the cartridge. The support foot 15 has a central disc 22, orthogonal to axis 17, extended by a skirt peripheral 23, substantially cylindrical, of axis 17, ending in a bead 24 inserted, very slightly by force, into a groove 25 formed in the inner wall 26 of the skirt 10 of the cartridge.

Les formes de réalisation du raccord de l'invention des figures 2-5 sont destinées à s'appliquer au même ensemble d'électrovanne et de cartouche que celui de la figure 1, si bien qu'il sera inutile de recommencer la description de ces deux éléments ou même de référencer sur les figures leurs différents moyens, à l'exception de ceux qui sont nécessaires à la description de la structure et du fonctionnement des formes de raccord.The embodiments of the connector of the invention of Figures 2-5 are intended to apply to the same set of solenoid valve and cartridge than that of figure 1, so that it will be useless to repeat the description of these two elements or even referencing in the figures their various means, with the exception of those necessary for the description of the structure and operation of the connector shapes.

Le raccord 213 de la figure 2 est globalement assez similaire à celui de la figure 1. Il s'en distingue par la paroi latérale intérieure 218 du manchon 214 qui est un cylindre droit, comme la paroi extérieure 216, et par les bords 220 et 221 du manchon 214 qui ne sont plus amincis mais présentent des gorges 227, 228 ménagées dans leurs surfaces annulaires transversales 229, 230 pour recevoir des joints toriques souples 231, 232 destinés à venir en appui contre les épaulements 8 et 12. Avec le raccord 213, l'étanchéité est donc assurée par les surfaces annulaires en bout 229, 230.The connection 213 of FIG. 2 is generally quite similar to that of the Figure 1. It is distinguished by the inner side wall 218 of the sleeve 214 which is a straight cylinder, like the outer wall 216, and by the edges 220 and 221 of the sleeve 214 which are no longer thinned but have grooves 227, 228 formed in their transverse annular surfaces 229, 230 to receive flexible O-rings 231, 232 intended to come resting against shoulders 8 and 12. With fitting 213, the seal is therefore ensured by the annular end surfaces 229, 230.

Le raccord 313 de la figure 3 se distingue par le fait qu'il ne comporte qu'un manchon tubulaire d'étanchéité et de maintien 314, qui est lisse, avec des surfaces latérales extérieure 316 et intérieure 318 constituées par des cylindres droits, sans pied de maintien. Le manchon 314 s'étend autour des deux embouts 1, 3, contre lesquels il est plaqué latéralement et s'appuie en bout par ses deux surfaces annulaires 329, 330 contre les épaulements 8, 12, légèrement comprimé dans la direction axiale. C'est par ces surfaces annulaires 329 et 330 et la surface latérale intérieure 318 que l'étanchéité est assurée. La compression du manchon est provoquée par le fait que sa longueur au repos est très légèrement supérieure à la distance entre la surface annulaire libre du plot central 11 de la cartouche, autour de l'embout 1, et le fond 7 de la cuvette 5 de l'électrovanne 4.The connector 313 of Figure 3 is distinguished by the fact that it comprises only one tubular sealing and holding sleeve 314, which is smooth, with external 316 and internal 318 lateral surfaces formed by straight cylinders, without holding foot. The sleeve 314 extends around the two end pieces 1, 3, against which it is pressed laterally and bears in butt by its two annular surfaces 329, 330 against the shoulders 8, 12, slightly compressed in the axial direction. It is by these surfaces annulars 329 and 330 and the inner side surface 318 that the seal is assured. The compression of the sleeve is caused by the fact that its length at rest is very slightly greater than the distance between the free annular surface of the central stud 11 of the cartridge, around the nozzle 1, and the bottom 7 of the bowl 5 of the solenoid valve 4.

Le raccord 413 de la figure 4 est très semblable à celui de la figure 3. Il ne s'en distingue que par la structure des parois latérales extérieure 416 et intérieure 418 qui ne sont plus lisses mais en forme de soufflet.The connector 413 in FIG. 4 is very similar to that in FIG. 3. It does not is distinguished from it only by the structure of the outer side walls 416 and interior 418 which are no longer smooth but bellows-shaped.

Le raccord 523 de la figure 5 comporte un manchon ondulé d'étanchéité et de maintien 514 s'appuyant par un premier bord 533 contre l'épaulement 8 de l'électrovanne 4 et, par un second bord opposé 534, contre l'épaulement 12 de la cartouche 2. Par une nervure intérieure 535, proche du bord 533, le manchon s'appuie contre l'embout d'admission 3 et, par une nervure extérieure 536, proche du bord 534, il s'appuie contre la jupe périphérique 6 de l'électrovanne 4. Dans cet exemple, une jupe tronconique de maintien 537 s'étend depuis une zone proche du bord 534, entre la nervure extérieure 536 et le bord 534, et se termine par un rebord recourbé 538 introduit à force dans la gorge 25 de la paroi intérieure de la jupe 10 de la cartouche 2. La jupe 537 constitue des moyens de contre-appui qui, en étant disposés dans la cuvette 9 de la cartouche, maintiennent les moyens d'étanchéité constitués par le manchon 514.The connector 523 of FIG. 5 comprises a corrugated sealing sleeve and holding 514 supported by a first edge 533 against the shoulder 8 of the solenoid valve 4 and, by a second opposite edge 534, against the shoulder 12 of the cartridge 2. By an inner rib 535, close to the edge 533, the sleeve presses against the inlet nozzle 3 and, by a rib outside 536, close to edge 534, it leans against the peripheral skirt 6 of the solenoid valve 4. In this example, a frustoconical holding skirt 537 extends from an area near the edge 534, between the outer rib 536 and the edge 534, and ends with a curved edge 538 introduced at force in the groove 25 of the inner wall of the skirt 10 of the cartridge 2. The skirt 537 constitutes counter-support means which, being arranged in the bowl 9 of the cartridge, maintain the sealing means constituted by the sleeve 514.

Claims (13)

Raccord (13; 213; 313; 413; 513) pour, d'une part, un embout d'éjection (1) d'une cartouche de carburant (2) destinée à alimenter en gaz comprimé un appareil de fixation à gaz comprimé et, d'autre part, un embout d'admission (3) d'un dispositif (4) d'admission de gaz dans l'appareil, comportant des moyens d'étanchéité, destinés à assurer l'étanchéité entre les deux embouts (3, 1) et des moyens de maintien des moyens d'étanchéité entre la cartouche (2) et les moyens d'admission (4), raccord caractérisé par le fait qu'il est monobloc et conformé pour assurer l'étanchéité et son maintien entre la cartouche (2) et les moyens d'admission (4).Connection (13; 213; 313; 413; 513) for, on the one hand, an ejection nozzle (1) of a fuel cartridge (2) intended to supply compressed gas to a compressed gas fixing device and , on the other hand, an inlet nozzle (3) of a device (4) for admitting gas into the appliance, comprising sealing means, intended to seal between the two nozzles (3 , 1) and means for holding the sealing means between the cartridge (2) and the inlet means (4), connection characterized in that it is in one piece and shaped to ensure the sealing and its maintenance between the cartridge (2) and the intake means (4). Raccord selon la revendication 1, comprenant un manchon tubulaire d'étanchéité et de maintien (14 ; 214 ; 314) entourant les deux embouts (1, 3).Fitting according to claim 1, comprising a tubular sleeve sealing and holding (14; 214; 314) surrounding the two end pieces (1, 3). Raccord selon la revendication 2, dans lequel le manchon (14 ; 214) est prolongé par un pied de maintien annulaire (15).Fitting according to claim 2, in which the sleeve (14; 214) is extended by an annular retaining foot (15). Raccord selon la revendication 3, dans lequel le pied de maintien comporte une jupe périphérique (23) terminée par un bourrelet (24).Fitting according to claim 3, in which the holding foot comprises a peripheral skirt (23) terminated by a bead (24). Raccord selon l'une des revendications 3 et 4, dans lequel le manchon (14) présente une surface latérale intérieure (18) mouvementée, ménageant une gorge interne (19) de rétention de gaz de fuite.Fitting according to one of Claims 3 and 4, in which the sleeve (14) has an interior lateral surface (18) which is turbulent, providing an internal groove (19) for retaining leakage gas. Raccord selon la revendication 5, dans lequel les portions de manchon de part et d'autre de la gorge (19), le bord d'extrémité libre (20) du manchon (14) et le pied de maintien (15) sont agencés pour maintenir le raccord en position de fonctionnement.A fitting according to claim 5, wherein the sleeve portions on either side of the groove (19), the free end edge (20) of the sleeve (14) and the holding foot (15) are arranged to maintain the fitting in operating position. Raccord selon la revendication 5, dans lequel le manchon (214) comporte des bords d'étanchéité (220, 221) présentant des gorges (227, 228) de réception de joints toriques (231, 232).Fitting according to claim 5, in which the sleeve (214) has sealing edges (220, 221) having grooves (227, 228) for receiving O-rings (231, 232). Raccord selon la revendication 1, dans lequel le manchon (314; 414) est agencé pour assurer l'étanchéité par des surfaces annulaires en bout (329, 330). Fitting according to claim 1, in which the sleeve (314; 414) is arranged to provide sealing by annular end surfaces (329, 330). Raccord selon la revendication 8, dans lequel le manchon (314) est lisse.A connector according to claim 8, wherein the sleeve (314) is smooth. Raccord selon la revendication 8, dans lequel le manchon (414) est un manchon en soufflet.A fitting according to claim 8, wherein the sleeve (414) is a bellows sleeve. Raccord selon l'une des revendications 9 et 10, dans lequel le manchon (314 ; 414) est agencé pour être comprimé.Fitting according to one of Claims 9 and 10, in which the sleeve (314; 414) is arranged to be compressed. Raccord selon la revendication 1, dans lequel le manchon (514) est ondulé, il comporte des bords (533, 534) et des nervures (535, 536) d'appui et d'étanchéité.Fitting according to claim 1, in which the sleeve (514) is corrugated, it has supporting edges (533, 534) and ribs (535, 536) and sealing. Raccord selon la revendication 12, dans lequel il est prévu une jupe de maintien (537) s'étendant depuis une zone proche d'un des bords du manchon (534).Fitting according to claim 12, in which a skirt is provided. holding (537) extending from an area close to one of the edges of the sleeve (534).
EP03290850A 2002-04-08 2003-04-04 One-piece coupling for compressed gas fastening tool and a compressed gas cartridge Expired - Lifetime EP1352716B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0204347 2002-04-08
FR0204347A FR2838074B1 (en) 2002-04-08 2002-04-08 MONOBLOCK FITTING FOR COMPRESSED GAS FIXING APPARATUS AND COMPRESSED GAS CARTRIDGE

Publications (2)

Publication Number Publication Date
EP1352716A1 true EP1352716A1 (en) 2003-10-15
EP1352716B1 EP1352716B1 (en) 2011-11-30

Family

ID=28052192

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03290850A Expired - Lifetime EP1352716B1 (en) 2002-04-08 2003-04-04 One-piece coupling for compressed gas fastening tool and a compressed gas cartridge

Country Status (14)

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US (1) US7090260B2 (en)
EP (1) EP1352716B1 (en)
JP (1) JP2003314797A (en)
KR (1) KR100548775B1 (en)
CN (1) CN1262787C (en)
AT (1) ATE535349T1 (en)
AU (1) AU2003203472B2 (en)
CA (1) CA2424632C (en)
DK (1) DK1352716T3 (en)
ES (1) ES2377728T3 (en)
FR (1) FR2838074B1 (en)
NZ (1) NZ525124A (en)
PL (1) PL205152B1 (en)
TW (1) TWI232916B (en)

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FR2884892B1 (en) * 2005-04-26 2010-05-21 Prospection & Inventions ASSEMBLY OF AN ENERGY TRANSMISSION DEVICE OF A MANUALLY ACTUATED APPARATUS AND AN ENERGY SOURCE HAVING ROTATION LOCKING AND ANGULAR INDEXING OF THE SOURCE
FR2884896B1 (en) 2005-04-26 2007-06-29 Prospection Et D Inv S Techniq SEALING CONNECTION AND ASSEMBLY OF A TRANSMISSION MEMBER, A GAS CARTRIDGE AND AN ADAPTER COMPRISING THE CONNECTION
JP4996099B2 (en) * 2006-01-19 2012-08-08 株式会社東芝 Fuel cartridge for fuel cell, fuel cell and coupler
JP5223186B2 (en) 2006-01-27 2013-06-26 マックス株式会社 Gas cartridge
JP5103871B2 (en) * 2006-01-27 2012-12-19 マックス株式会社 Gas cartridge
US7296719B1 (en) * 2006-04-26 2007-11-20 Illinois Tool Works Inc. Fuel cell actuator and associated combustion tool
CN101767325B (en) * 2009-01-07 2011-09-28 硕贤企业有限公司 Gas tank for nail gun and inner bag joint structure used for gas tank
EP3086018A1 (en) * 2015-04-20 2016-10-26 Linde Aktiengesellschaft Cylinder exclusive connection
EP4067726B1 (en) * 2021-03-31 2023-08-09 iSi GmbH Valve for closing a gas container

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US20020117128A1 (en) * 2001-02-28 2002-08-29 Yury Shkolnikov Variable volume valve for a combustion powered tool

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US3712646A (en) * 1969-12-23 1973-01-23 Shell Oil Co Quick coupling device for lpg containers
FR2771796A1 (en) * 1997-11-28 1999-06-04 Spit Soc Prospect Inv Techn FITTING FOR COMPRESSED GAS FIXING APPARATUS AND COMPRESSED GAS CARTRIDGE
US20020117128A1 (en) * 2001-02-28 2002-08-29 Yury Shkolnikov Variable volume valve for a combustion powered tool

Also Published As

Publication number Publication date
ES2377728T3 (en) 2012-03-30
US20040011844A1 (en) 2004-01-22
AU2003203472A1 (en) 2003-10-23
DK1352716T3 (en) 2012-03-19
TWI232916B (en) 2005-05-21
CA2424632A1 (en) 2003-10-08
ATE535349T1 (en) 2011-12-15
PL359590A1 (en) 2003-10-20
KR100548775B1 (en) 2006-02-02
US7090260B2 (en) 2006-08-15
CN1453497A (en) 2003-11-05
CN1262787C (en) 2006-07-05
JP2003314797A (en) 2003-11-06
EP1352716B1 (en) 2011-11-30
KR20030081046A (en) 2003-10-17
NZ525124A (en) 2004-05-28
FR2838074A1 (en) 2003-10-10
AU2003203472B2 (en) 2005-12-15
TW200403410A (en) 2004-03-01
CA2424632C (en) 2007-06-19
FR2838074B1 (en) 2004-09-17
PL205152B1 (en) 2010-03-31

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