EP1352716B1 - 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
EP1352716B1
EP1352716B1 EP03290850A EP03290850A EP1352716B1 EP 1352716 B1 EP1352716 B1 EP 1352716B1 EP 03290850 A EP03290850 A EP 03290850A EP 03290850 A EP03290850 A EP 03290850A EP 1352716 B1 EP1352716 B1 EP 1352716B1
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EP
European Patent Office
Prior art keywords
sleeve
coupling according
sealing
cartridge
coupling
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
EP03290850A
Other languages
German (de)
French (fr)
Other versions
EP1352716A1 (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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Publication date
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Publication of EP1352716A1 publication Critical patent/EP1352716A1/en
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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 compressed gas powered piston stamp or nail attachment apparatus is supplied with compressed gas from a fuel cartridge containing, in an inner casing, compressed gas in a liquid state.
  • the cartridge contains, between the inner casing and an outer casing, a thruster also intended to maintain the fuel in the liquid state.
  • a male ejection tip is connected to the inner casing and projects out of the outer casing.
  • a determined dose of compressed gas is injected from the fuel cartridge into a combustion chamber of the fixing apparatus, the dosage being controlled only if the compressed gas is dosed in the liquid state.
  • the fixing devices In order to determine the compressed gas injected into the combustion chamber, the fixing devices often comprise a solenoid valve comprising a compressed gas inlet nozzle.
  • Known admission devices such as that described in FR 2,771,796 , comprise a male intake tip, inside a bowl formed by a protective peripheral skirt.
  • This intake tip is intended to cooperate with a cartridge ejection valve to move the valve from its seat and thus allow the transfer of gas from the cartridge into the device of the device.
  • it is necessary to seal around the valve of the cartridge and the nozzle of the device.
  • the exhaust valve of the cartridge is extended into a male end that cooperates with the male inlet of the device inside a fitting arranged appropriately.
  • the coupling comprises a seal extending on both sides of the joint plane of the two male end pieces and it is held in a matching cap engaged in the protective bowl of the inlet solenoid valve of the fixing device as well as in a protective bowl also provided on the compressed gas cartridge.
  • the present invention aims to overcome this multiplicity of components.
  • the invention relates to a coupling for, on the one hand, an ejection nozzle of a fuel cartridge for supplying compressed gas to a compressed gas fixation device and, on the other hand, a nozzle intake of a gas inlet device in the apparatus, comprising sealing means for sealing between the two end pieces and means for holding the sealing means between the cartridge and the means intake, connection characterized by the fact that it is monobloc and shaped to ensure the seal and its maintenance between the cartridge and the admission means.
  • the sealing and holding connection may comprise a tubular sealing and holding sleeve surrounding the two ends, which may be extended by an annular support foot.
  • the inner wall of the sealing sleeve may be shaped to ensure a seal between the two ends by their side walls, possibly with an internal groove for retention of leakage gas.
  • the sealing sleeve may also be arranged to provide a seal between the two end pieces by annular end surfaces against transverse shoulders of the cartridge and the inlet device.
  • the sleeve may be a smooth sleeve or a bellows sleeve.
  • the sleeve may also seal at the end by means of flexible o-rings disposed in grooves of the sleeve.
  • the connector is shaped to be forcibly mounted between the cartridge and the inlet device, with sealing means and counter-support means to be arranged in the cartridge to maintain the means of seal.
  • 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 of a compressed gas cartridge in the liquid state 2 and a nozzle of admission 3 of a gas inlet solenoid valve 4 in a compressed gas fastening apparatus.
  • the two ends are here male tips.
  • the intake tip 3 extends inside a bowl 5 formed by a peripheral skirt 6 of the solenoid valve 4.
  • the intake tip 3 and the bottom 7 of the bowl 5 form a "transverse" annular shoulder 8.
  • the ejection tip 1 extends out of a bowl 9 formed by a peripheral skirt 10 of the cartridge 2 and extends a central pin 11 with which it forms a "transverse" annular shoulder 12.
  • the coupling 13, which seals between the two ends 1 and 3, is a one-piece connection. Its conformation allows it to perform both its sealing function and its holding function between the cartridge 2 and the solenoid valve 4.
  • the coupling 13 consists of a tubular sealing and holding sleeve 14 extended by an annular support foot 15.
  • the sleeve 14 has a straight cylindrical outer side surface 16, with the same axis 17 as the solenoid valve and the cartridge, and an internal lateral surface 18 that is moving, forming an internal leak gas retention groove 19 and two end edges of sleeve 20, 21 thinned.
  • the retention groove 19 extends on either side of the joint plane of the two end pieces, when they are abutted, sealing being thus ensured. by the outer lateral walls 31, 33 of these end pieces and the end edges 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 holding foot 15 comprises a central disc 22, orthogonal to the axis 17, extended by a substantially cylindrical peripheral skirt 23 of axis 17, ending in a bead 24 introduced, very slightly by force, into a groove 25. formed in the inner wall 26 of the skirt 10 of the cartridge.
  • Embodiments of the connector of the invention Figures 2-5 are intended to apply to the same solenoid valve and cartridge assembly as that of the figure 1 so that it will be useless to repeat the description of these two elements or even to reference in the figures their different means, with the exception of those which are necessary for the description of the structure and operation of the connector shapes.
  • connection 213 of the figure 2 overall is 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, as the outer wall 216, and by the edges 220 and 221 of the sleeve 214 which are not thinned but have grooves 227, 228 formed in their transverse annular surfaces 229, 230 for receiving flexible O-rings 231, 232 intended to bear against the shoulders 8 and 12. With the connection 213, the seal is thus ensured by the annular end surfaces 229, 230.
  • connection 313 of the figure 3 is distinguished by the fact that it comprises only a tubular sealing and retaining sleeve 314, which is smooth, with outer 316 and inner 318 side surfaces constituted by straight cylinders, without support leg.
  • the sleeve 314 extends around the two end pieces 1, 3, against which it is laterally plated and is supported at the end by its two annular surfaces 329, 330 against the shoulders 8, 12, slightly compressed in the axial direction. It is through these annular surfaces 329 and 330 and the inner side surface 318 that sealing is ensured.
  • the compression of the sleeve is caused by the fact that its length at rest is slightly greater than the distance between the free annular surface of the central stud 11 of the cartridge, around the tip 1, and the bottom 7 of the bowl 5 of the solenoid valve 4.
  • the fitting 413 of the figure 4 is very similar to that of the figure 3 . It is distinguished only by the structure of the outer side walls 416 and 418 interior that are no longer smooth but in the form of bellows.
  • Connection 523 of the figure 5 comprises a corrugated sealing and holding sleeve 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.
  • internal rib 535 near the edge 533, the sleeve bears against the intake nozzle 3 and, by an outer rib 536, close to the edge 534, it bears 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 flange 538 forced into 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, hold the sealing means constituted by the sleeve 514.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Compressor (AREA)
  • Fuel-Injection Apparatus (AREA)
  • Pens And Brushes (AREA)
  • Valves And Accessory Devices For Braking Systems (AREA)
  • Portable Nailing Machines And Staplers (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 compressed gas powered piston stamp or nail attachment apparatus is supplied with compressed gas from a fuel cartridge containing, in an inner casing, compressed gas in a liquid state. In addition to the fuel, the cartridge contains, between the inner casing and an outer casing, a thruster also intended to maintain the fuel in the liquid state. A male ejection tip is connected to the inner casing and projects out of the outer casing.

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 maîtrisé que si le gaz comprimé est dosé à l'état liquide.At each shot, a determined dose of compressed gas is injected from the fuel cartridge into a combustion chamber of the fixing apparatus, the dosage being controlled only if the compressed gas is dosed in the liquid state.

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.In order to determine the compressed gas injected into the combustion chamber, the fixing devices often comprise a solenoid valve comprising 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 admission devices, such as that described in FR 2,771,796 , comprise a male intake tip, inside a bowl formed by a protective peripheral skirt. This intake tip is intended to cooperate with a cartridge ejection valve to move the valve from its seat and thus allow the transfer of gas from the cartridge into the device of the device. During the transfer operation, it is necessary to seal around the valve of the cartridge and the nozzle of the device. For this purpose, often, and particularly in the case of the cartridge described in FR 2,771,796 , the exhaust valve of the cartridge is extended into a male end that cooperates with the male inlet of the device inside a fitting arranged appropriately.

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 coupling comprises a seal extending on both sides of the joint plane of the two male end pieces and it is held in a matching cap engaged in the protective bowl of the inlet solenoid valve of the fixing device as well as in a protective bowl 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 coupling for, on the one hand, an ejection nozzle of a fuel cartridge for supplying compressed gas to a compressed gas fixation device and, on the other hand, a nozzle intake of a gas inlet device in the apparatus, comprising sealing means for sealing between the two end pieces and means for holding the sealing means between the cartridge and the means intake, connection characterized by the fact that it is monobloc and shaped to ensure the seal and its maintenance between the cartridge and the admission means.

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 comprise a tubular sealing and holding sleeve surrounding the two ends, which may 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 may be shaped to ensure a seal between the two ends by their side walls, possibly with an internal groove for retention of leakage gas.

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 may also be arranged to provide a seal between the two end pieces by annular end surfaces against transverse shoulders of the cartridge and the inlet 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 bellows sleeve.

Le manchon peut également assurer l'étanchéité en bout par l'intermédiaire de joints toriques souples disposés dans des gorges du manchon.The sleeve may also seal at the end by means of flexible o-rings disposed 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 inlet device, with sealing means and counter-support means to be arranged in the cartridge to maintain the means of seal.

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 coupling, with reference to the appended drawing, in which
  • the figure 1 is a half-view in axial section of a first embodiment of the coupling;
  • the figure 2 is a half-view in axial section of a second embodiment of the coupling;
  • the figure 3 is a half-view in axial section of a third embodiment of the coupling;
  • the figure 4 is a half-view in axial section of a fourth embodiment of the coupling and
  • the 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.With reference to the 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 of a compressed gas cartridge in the liquid state 2 and a nozzle of admission 3 of a gas inlet solenoid valve 4 in a compressed gas fastening apparatus. The two ends are here male tips.

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 tip 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 intake tip 3 and the bottom 7 of the bowl 5 form a "transverse" annular shoulder 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 tip 1 extends out of a bowl 9 formed by a peripheral skirt 10 of the cartridge 2 and extends a central pin 11 with which it forms a "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 coupling 13, which seals between the two ends 1 and 3, is a one-piece connection. Its conformation allows it to perform 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 coupling 13 consists of a tubular sealing and holding sleeve 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 straight cylindrical outer side surface 16, with the same axis 17 as the solenoid valve and the cartridge, and an internal lateral surface 18 that is moving, forming an internal leak gas retention groove 19 and two end edges of sleeve 20, 21 thinned. The retention groove 19 extends on either side of the joint plane of the two end pieces, when they are abutted, sealing being thus ensured. by the outer lateral walls 31, 33 of these end pieces and the end edges 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 especially by all of the support reactions of the sleeve portions, on either side of the groove 19, against the two end pieces, the end edge of free thinned sleeve 20, against the shoulder solenoid valve 8 and the support foot 15 against the central pin 11 and the skirt 10 of the cartridge 2 that the connector 13 is held in the operating position between the solenoid valve and the cartridge. The holding foot 15 comprises a central disc 22, orthogonal to the axis 17, extended by a substantially cylindrical peripheral skirt 23 of axis 17, ending in a bead 24 introduced, 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.Embodiments of the connector of the invention Figures 2-5 are intended to apply to the same solenoid valve and cartridge assembly as that of the figure 1 so that it will be useless to repeat the description of these two elements or even to reference in the figures their different means, with the exception of those which are 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 the figure 2 overall is 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, as the outer wall 216, and by the edges 220 and 221 of the sleeve 214 which are not thinned but have grooves 227, 228 formed in their transverse annular surfaces 229, 230 for receiving flexible O-rings 231, 232 intended to bear against the shoulders 8 and 12. With the connection 213, the seal is thus 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 connection 313 of the figure 3 is distinguished by the fact that it comprises only a tubular sealing and retaining sleeve 314, which is smooth, with outer 316 and inner 318 side surfaces constituted by straight cylinders, without support leg. The sleeve 314 extends around the two end pieces 1, 3, against which it is laterally plated and is supported at the end by its two annular surfaces 329, 330 against the shoulders 8, 12, slightly compressed in the axial direction. It is through these annular surfaces 329 and 330 and the inner side surface 318 that sealing is ensured. The compression of the sleeve is caused by the fact that its length at rest is slightly greater than the distance between the free annular surface of the central stud 11 of the cartridge, around the tip 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 fitting 413 of the figure 4 is very similar to that of the figure 3 . It is distinguished only by the structure of the outer side walls 416 and 418 interior that are no longer smooth but in the form of bellows.

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.Connection 523 of the figure 5 comprises a corrugated sealing and holding sleeve 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. internal rib 535, near the edge 533, the sleeve bears against the intake nozzle 3 and, by an outer rib 536, close to the edge 534, it bears 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 flange 538 forced into 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, hold the sealing means constituted by the sleeve 514.

Claims (13)

  1. Coupling (13; 213; 313; 413; 513) for, on the one hand, an ejection end-piece (1) of a fuel cartridge (2) intended to supply compressed gas to a compressed-gas fastening appliance and, on the other hand, an inlet end-piece (3) of a device (4) for letting gas into the appliance, comprising sealing means, which are intended to provide sealing between the two end-pieces (3, 1), and means for retaining the sealing means between the cartridge (2) and the inlet means (4), which coupling is characterized in that it is in one piece and configured to provide and maintain sealing between the cartridge (2) and the inlet means (4).
  2. Coupling according to Claim 1, comprising a tubular sealing and retaining sleeve (14; 214; 314) surrounding the two end-pieces (1, 3).
  3. Coupling according to Claim 2, in which the sleeve (14; 214) is extended by an annular retaining foot (15).
  4. Coupling according to Claim 3, in which the retaining foot has a peripheral skirt (23) terminated by a bead (24).
  5. Coupling according to either of Claims 3 and 4, in which the sleeve (14) has an irregular inner lateral surface (18), forming an internal groove (19) for retaining leakage gas.
  6. Coupling according to Claim 5, in which the sleeve portions on either side of the groove (19), the free end edge (20) of the sleeve (14) and the retaining foot (15) are designed to maintain the coupling in an operating position.
  7. Coupling according to Claim 5, in which the sleeve (214) comprises sealing edges (220, 221) having grooves (227, 228) for accommodating O-rings (231, 232).
  8. Coupling according to Claim 1, in which the sleeve (314; 414) is designed to provide sealing by means of annular end surfaces (329, 330).
  9. Coupling according to Claim 8, in which the sleeve (314) is smooth.
  10. Coupling according to Claim 8, in which the sleeve (414) is a bellows-shaped sleeve.
  11. Coupling according to either of Claims 9 and 10, in which the sleeve (314; 414) is designed to be compressed.
  12. Coupling according to Claim 1, in which the sleeve (514) is corrugated and comprises bearing and sealing edges (533, 534) and ribs (535, 536).
  13. Coupling according to Claim 12, in which a retaining skirt (537) extending from a region close to one of the edges (534) of the sleeve is provided.
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 EP1352716A1 (en) 2003-10-15
EP1352716B1 true 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)

Country Link
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)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5103871B2 (en) * 2006-01-27 2012-12-19 マックス株式会社 Gas cartridge
JP5223186B2 (en) 2006-01-27 2013-06-26 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
ES2956520T3 (en) * 2021-03-31 2023-12-22 Isi Gmbh Valve to close a gas container

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Publication number Priority date Publication date Assignee Title
BE662981A (en) * 1964-06-05
US3514129A (en) * 1967-11-09 1970-05-26 Holdren Brothers Inc Sanitary connector with locking means thereon
FR2071274A5 (en) * 1969-12-23 1971-09-17 Utilisation Ration Gaz
US4619297A (en) * 1984-12-24 1986-10-28 Kocher Kenneth E Refillable pressure spray container
FR2610082B1 (en) * 1987-01-27 1989-03-24 Applic Gaz Sa COUPLING SYSTEM FOR AN APPARATUS AND A CARTRIDGE, AND GAS APPARATUS INCORPORATING SUCH A SYSTEM
GB2281118B (en) * 1993-08-16 1997-06-18 Stylobate Proprietaries Limite Gas cartridge
FR2771796B1 (en) * 1997-11-28 2000-01-14 Spit Soc Prospect Inv Techn FITTING FOR COMPRESSED GAS FIXING APPARATUS AND COMPRESSED GAS CARTRIDGE
US6523860B1 (en) * 2000-10-12 2003-02-25 Illinois Tool Works Inc. Fuel cell adapter system for combustion tools
US7051686B2 (en) * 2001-02-28 2006-05-30 Illinios Tool Works Inc. Variable volume valve for a combustion powered tool

Also Published As

Publication number Publication date
TWI232916B (en) 2005-05-21
CN1453497A (en) 2003-11-05
AU2003203472B2 (en) 2005-12-15
JP2003314797A (en) 2003-11-06
KR100548775B1 (en) 2006-02-02
DK1352716T3 (en) 2012-03-19
ES2377728T3 (en) 2012-03-30
FR2838074A1 (en) 2003-10-10
TW200403410A (en) 2004-03-01
NZ525124A (en) 2004-05-28
US7090260B2 (en) 2006-08-15
EP1352716A1 (en) 2003-10-15
FR2838074B1 (en) 2004-09-17
US20040011844A1 (en) 2004-01-22
AU2003203472A1 (en) 2003-10-23
CN1262787C (en) 2006-07-05
PL205152B1 (en) 2010-03-31
KR20030081046A (en) 2003-10-17
CA2424632A1 (en) 2003-10-08
CA2424632C (en) 2007-06-19
PL359590A1 (en) 2003-10-20
ATE535349T1 (en) 2011-12-15

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