FR2536679A1 - Improved nozzle for spraying a fluid or solid substance and in particular a fire-hose nozzle - Google Patents

Improved nozzle for spraying a fluid or solid substance and in particular a fire-hose nozzle Download PDF

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Publication number
FR2536679A1
FR2536679A1 FR8220007A FR8220007A FR2536679A1 FR 2536679 A1 FR2536679 A1 FR 2536679A1 FR 8220007 A FR8220007 A FR 8220007A FR 8220007 A FR8220007 A FR 8220007A FR 2536679 A1 FR2536679 A1 FR 2536679A1
Authority
FR
France
Prior art keywords
nozzle
lance
constituted
skirt
gripping
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
FR8220007A
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French (fr)
Other versions
FR2536679B1 (en
Inventor
Gilbert Parcollet
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.)
St Mihiel SAS
Original Assignee
St Mihiel SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by St Mihiel SAS filed Critical St Mihiel SAS
Priority to FR8220007A priority Critical patent/FR2536679B1/en
Publication of FR2536679A1 publication Critical patent/FR2536679A1/en
Application granted granted Critical
Publication of FR2536679B1 publication Critical patent/FR2536679B1/en
Expired legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L33/00—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses
    • F16L33/20—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members
    • F16L33/207—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose
    • F16L33/2071—Undivided rings, sleeves or like members contracted on the hose or expanded in the hose by means of tools; Arrangements using such members only a sleeve being contracted on the hose the sleeve being a separate connecting member
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C31/00—Delivery of fire-extinguishing material
    • A62C31/02—Nozzles specially adapted for fire-extinguishing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/62—Arrangements for supporting spraying apparatus, e.g. suction cups
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/63—Handgrips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/60—Arrangements for mounting, supporting or holding spraying apparatus
    • B05B15/65—Mounting arrangements for fluid connection of the spraying apparatus or its outlets to flow conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L35/00—Special arrangements used in connection with end fittings of hoses, e.g. safety or protecting devices

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)

Abstract

The present invention relates to a nozzle for pressurised spraying of a fluid or solid substance, in particular a fire-hose nozzle, of the type comprising a nozzle outlet 1 connected to the end of a semi-rigid hose 3 by means of sealed connecting means 2 which are fixed to the hose by means of an outer clamping member 4, this nozzle being provided with a gripping means. According to the invention, this gripping means is constituted by a skirt 9 which extends the outer clamping member 4 over a certain length around the hose 3, the sealed connecting means 2 being constituted by a connector with which the nozzle outlet 1 is directly integral.

Description

La présente invention concerne une lance de projection sous pression d'un produit fluide ou solide, et en particulier une lance à incendie, du type comprenant une buse reliée à ltextrémité d'un tuyau semi-rigide, par des moyens de raccordement étanches qui sont fixés au tuyau au moyen d'un organe de serrage extérieur, cette lance étant en outre pourvue d'un moyen de préhension. The present invention relates to a lance for spraying under pressure a fluid or solid product, and in particular a fire hose, of the type comprising a nozzle connected to the end of a semi-rigid pipe, by sealed connection means which are fixed to the pipe by means of an external clamping member, this lance being further provided with a gripping means.

Dans les lances connues de ce type, essentiellement utilisées comme lances à incendie, les moyens de raccordement de la buse à l'extrémité du tuyau semi-rigide comprennent un fût de lance dont une extrémité porte un about de lance sur lequel vient se visser la buse, l'autre extrémité du fût de lance étant pourvue d'un raccord qui coopère avec un raccord complemen- taire fixé par sertissage, collier ou autre système de serrage à l'extrémité tu
Ce fût de lance, qui présente une forme effilée en direction de la buse, avait à l'origine pour fonction d'accélérer le liquide avant son entrée dans cette dernière et jouait simultanément le rôle d'un moyen de préhension assurant une bonne tenue en main de la lance.In known lances of this type, mainly used as fire hoses, the means for connecting the nozzle at the end of the semi-rigid pipe comprise a lance barrel, one end of which carries a lance end on which the screw is screwed. nozzle, the other end of the lance barrel being provided with a connection which cooperates with an additional connection fixed by crimping, collar or other clamping system at the end tu
This lance barrel, which has a tapered shape in the direction of the nozzle, originally had the function of accelerating the liquid before it entered the latter and simultaneously played the role of a gripping means ensuring good resistance in hand of the spear.

Avec l'apparition des pompes modernes, le fût de lance a perdu son utilité en tant qu'accélérateur de liquide. Mais conformément aux réglementations officielles qui imposent de prévoir un moyen de préhension dans les lances de projection sous pression, il a été conserve dans la construction des lances pour remplir cette fonction. With the advent of modern pumps, the lance barrel lost its usefulness as a liquid accelerator. But in accordance with official regulations which impose the provision of a gripping means in the pressure projection lances, it was kept in the construction of the lances to fulfill this function.

Toutefois, comme tous les utilisateurs de lances de ce type peuvent le contaster, le fût de lance en raison de son poids élevé et de sa grande longueur présente l'inconvénient d'augmenter dans une mesure importante le poids total et l'encombrement de la lance en réduisant d'autant sa maniabilité. However, as all the users of lances of this type can contaster it, the barrel of lance because of its high weight and its great length has the disadvantage of increasing to a significant extent the total weight and the size of the throws while reducing its maneuverability.

La présente invention se propose de remedier à cet inconvénient et, pour ce faire, elle a pour objet une lance de projection sous pression, d'un produit fluide ou solide et en particulier une lance à incendie, du type spécifié en préambule, qui se caractérise. en ce que son moyen de préhension est constitué par une jupe qui prolonge l'organe de serrage extérieur sur une certaine longueur autour du tuyau, les moyens de raccordement étanches étant constitués par un raccord dont la buse est directement solidaire. The present invention proposes to remedy this drawback and, to do this, it relates to a pressure spray lance, of a fluid or solid product and in particular a fire hose, of the type specified in the preamble, which characterizes. in that its gripping means is constituted by a skirt which extends the external clamping member over a certain length around the pipe, the sealed connection means being constituted by a connector of which the nozzle is directly integral.

Dans la lance melon l'invention, la jupe de préhension, qui est de préférence cylindrique, rend inutile la présence d'un fût de lance dans la structure des moyens de raccordement de la buse au tuyau semi-rigide. Ceux-ci étant ramenés à un simple raccord, sont alors réduits à une longueur minimum, ce qui se traduit par une diminution importante de l'encombrement extérieur de la lance. A cela, s'ajoute le fait que la jupe, qui est réalisée àpartir d'une simple tôle de faible épaisseur, est d'un poids très réduit par rapport au fût de lance traditionnel. In the melon lance of the invention, the gripping skirt, which is preferably cylindrical, makes the presence of a lance barrel unnecessary in the structure of the means for connecting the nozzle to the semi-rigid pipe. These being reduced to a simple fitting, are then reduced to a minimum length, which results in a significant reduction in the external dimensions of the lance. To this is added the fact that the skirt, which is made from a simple sheet of thin thickness, is of a very reduced weight compared to the traditional lance barrel.

On dispose ainsi, grâce à l'invention7 d'une lance de projection d'un produit fluide ou solide sous pression qui, tout en étant dotée d'un moyen de préhension réglementaire, est d'une maniabilité bien supérieure à celle des lances classiques avec fût. Thus, thanks to the invention7, there is a lance for projecting a fluid or solid product under pressure which, while being provided with a regulatory gripping means, is much more maneuverable than that of conventional lances. with barrel.

Avantageusement, la jupe de préhension est venue de matière avec l'organe de serrage extérieur qui est constitué par une bague de sertissage, cette disposition visant à simplifier la construction de la lance selon l'invention. Advantageously, the gripping skirt is integrally formed with the external clamping member which is constituted by a crimping ring, this arrangement aiming to simplify the construction of the lance according to the invention.

Pour améliorer la prise en main de la lance, on peut en outre ménager, sur la surface extérieure de la jupe, des renfoncemen#ts pour le positionnement des doigts de l'utilisateur. To improve the grip of the lance, one can also provide, on the outer surface of the skirt, recesses # ts for positioning the fingers of the user.

De préférence, le raccord dont la buse est directement solidaire, est constitué par un about de lance fileté sur lequel cette dernière vient se visser. Preferably, the connector of which the nozzle is directly integral, is constituted by a threaded lance end on which the latter is screwed.

En variante toutefois, ce raccord peut ne former qu'une seule pièce avec la buse. As a variant, however, this connection may form a single piece with the nozzle.

Un mode de réalisation de la présente invention va être décrit ciaprès à titre d'exemple non limitatif en référence aux dessins annexés dans lesquels
- la figure 1, représente en perspective une lance de projection d'un produit fluide ou solide conforme à l'invention ; et
- la figure 2 est une vue latérale agrandie partiellement en coupe de la lance de la figure 1, dans laquelle la buse n'est représentée qu'en partie.An embodiment of the present invention will be described below by way of nonlimiting example with reference to the accompanying drawings in which
- Figure 1 shows in perspective a lance for projecting a fluid or solid product according to the invention; and
- Figure 2 is an enlarged side view partially in section of the lance of Figure 1, in which the nozzle is only partially shown.

La lance de projection représentée sur les figures est plus précisément une lance à eau utilisée dans la lutte contre les incendies, mais elle peut bien évidemment servir à la projection sous pression de tout autre produit fluide ou solide. The projection lance shown in the figures is more precisely a water lance used in the fight against fires, but it can obviously be used for the projection under pressure of any other fluid or solid product.

De manière connue en soi, cette lance comprend une buse 1, reliée par des moyens de raccordements étanches 2 à l'extrémité d'un tuyau semirigide 3, ce dernier étant branché sur la sortie d'une pompe à eau non représentée. Les moyens de raccordement 2 sont eux-mêmes fixés au tuyau 3 par un organe de serrage extérieur constitué, dans le cas présent, par une bague de sertissage 4.  In a manner known per se, this lance comprises a nozzle 1, connected by sealed connection means 2 at the end of a semi-rigid pipe 3, the latter being connected to the outlet of a water pump not shown. The connection means 2 are themselves fixed to the pipe 3 by an external clamping member constituted, in this case, by a crimping ring 4.

Comme on le sait, la buse 1 est destinée à la formation du Jet d'eau et, à cette fin, elle est pourvue d'un robinet 5 comportant une poignée de manoeuvre 6 et d'un diffuseur 7 en forme de "queue de carpe".  As is known, the nozzle 1 is intended for the formation of the water jet and, for this purpose, it is provided with a tap 5 comprising an operating handle 6 and with a diffuser 7 in the form of a "tail of carp".

Lorsque la poignée de manoeuvre 6 est placée en position arrière, comme représenté sur la figure 1,le robinet 5 est complètement ouvert afin que la buse émette un jet d'eau plein. Par contre, si la poignée 6 est poussée en position avant, le robinet 5 est fermé et l'émission du jet d'eau est interrompue. Entre ces deux positions extrêmes, la poignée 6 peut être placée dans une position intermédiaire, dans laquelle le robinet 5 dirige lleau sous pression contre la lèvre inferieure 8 du diffuseur pour que la buse 1 produise un jet en nappe. When the operating handle 6 is placed in the rear position, as shown in FIG. 1, the tap 5 is fully open so that the nozzle emits a full jet of water. On the other hand, if the handle 6 is pushed into the front position, the tap 5 is closed and the emission of the water jet is interrupted. Between these two extreme positions, the handle 6 can be placed in an intermediate position, in which the tap 5 directs the water under pressure against the lower lip 8 of the diffuser so that the nozzle 1 produces a jet of water.

Selon la caractéristique première de l'invention, la bague de sertissage 4, se prolonge tout autour du tuyau par une jupe cylindrique 9. According to the primary characteristic of the invention, the crimping ring 4 extends all around the pipe by a cylindrical skirt 9.

La jupe 9 est réalisée à partir d'une tôle métallique de faible épaisseur et, pour des facilités de construction, elle est venue de matière avec ja
Dague4. Apres le sertissage de cette dernière, la jupe est maintenue à une certaine distance de la paroi du tuyau 3 pour faciliter les mouvements relatifs entre eux et ne pas endommager le tuyau au niveau de son bord libre 10.The skirt 9 is made from a thin metal sheet and, for ease of construction, it came integrally with ja
Dagger 4. After the crimping of the latter, the skirt is kept at a certain distance from the wall of the pipe 3 to facilitate the relative movements between them and not to damage the pipe at its free edge 10.

Comme il est aisé de le comprendre, la jupe cylindrique 9 constitue un moyen de préhension assurant une bonne tenue en main de la lance et, à cette fin, elle s'étend sur une longueur suffisante pour pouvoir être saisie par les deux mains de l'utilisateur placées l'une derrière l'autre. Avantageusement, on peut prévoir sur la surface extérieure de la jupe 9, des renfoncements de positionnement des doigts (non représentés) pour améliorer la prise en main de la lance. As it is easy to understand, the cylindrical skirt 9 constitutes a gripping means ensuring good grip of the lance and, for this purpose, it extends over a sufficient length to be able to be grasped by both hands of the placed one behind the other. Advantageously, one can provide on the outer surface of the skirt 9, recesses for positioning the fingers (not shown) to improve the grip of the lance.

Ainsi, la jupe de préhension 9 rend inutile la présence du fût de lance dans la structure des moyens de raccordement 2 et, c'est pourquoi ceuxci sont, selon l'invention, constitués par un simple raccord 11 dont la buse 1 est directement solidaire. Thus, the gripping skirt 9 makes the presence of the lance barrel unnecessary in the structure of the connection means 2 and, this is why these are, according to the invention, constituted by a simple connector 11 of which the nozzle 1 is directly integral .

Comme on peut le voir plus nettement sur la figure 2, ce raccord 11 se présente sous la forme d'un about de lance monobloc qui se compose essentiellement d'une douille d'emmanchement 12 et une douille de raccordement 13. As can be seen more clearly in FIG. 2, this connector 11 is in the form of a one-piece lance end which essentially consists of a fitting sleeve 12 and a connecting sleeve 13.

La douille d'emmanchement 12 est enfoncée à force dans le tuyau 3 et, pour améliorer la résistance à l'arrachement de ce dernier, sa surface extérieure est partiellement striée comme représenté en 14.  The fitting sleeve 12 is forced into the pipe 3 and, to improve the tear resistance of the latter, its outer surface is partially striated as shown in 14.

La douille de raccordement 13 présente quant à elle un filetage extérieur sur lequel la buse 1 vient se visser directement avec interposition d'un joint d'étanchéité 15. The connection sleeve 13 has an external thread on which the nozzle 1 is screwed directly with the interposition of a seal 15.

Il convient de noter ici qu'en variante, le raccord 11 et la buse 1 peuvent ne former qu'une seule pièce.  It should be noted here that, as a variant, the connector 11 and the nozzle 1 may form a single piece.

Claims (6)

REVENDICATIONS 1. Lance de projection sous pression d'un produit fluide ou solide, en particulier lance à incendie, du type comprenant une buse (1) reliée à l'extrémité d'un tuyau semi-rigide (3) par des moyens de raccordement étanches (2) qui sont fixés au tuyau au moyen d'un organe de serrage #extérieur (4), cette lance, qui est pourvue d'un moyen de préhension, se caractérisant en ce que ce moyen de préhension est constitué par une jupe (9) qui prolonge l'organe de serrage extérieur (4) sur une certaine longueur autour du tuyau (31, les moyens de raccordement étanches (2) étant constitués par un raccord {-11) dont la buse (1) est directement solidaire. 1. Spray lance under pressure for a fluid or solid product, in particular a fire hose, of the type comprising a nozzle (1) connected to the end of a semi-rigid pipe (3) by sealed connection means (2) which are fixed to the pipe by means of an external # clamping member (4), this lance, which is provided with a gripping means, characterized in that this gripping means is constituted by a skirt ( 9) which extends the external clamping member (4) over a certain length around the pipe (31, the sealed connection means (2) being constituted by a connector {-11) of which the nozzle (1) is directly integral. 2. Lance selon la revendication 1, caractérisée en ce que la jupe de préhension (9) est venue de manière avec l'organe de serrage extérieur qui est constitué par une bague de sertissage (4). 2. Lance according to claim 1, characterized in that the gripping skirt (9) has come so with the external clamping member which is constituted by a crimping ring (4). 3. Lance selon la revendication-1 ou 2, caractérisée en ce que la jupe de préhension (9) est cylindrique. 3. Lance according to claim-1 or 2, characterized in that the gripping skirt (9) is cylindrical. 4. Lance selon l'une quelconque des revendications 1 à 3, caractérisée en ce que des renfoncements de positionnement des doigts sont ménagés sur la surface extérieure de la jupe de préhension (9). 4. Lance according to any one of claims 1 to 3, characterized in that finger positioning recesses are formed on the outer surface of the gripping skirt (9). 5. Lance selon l'une quelconque des revendications 1 à 4, caractérisée en ce que le raccord (11)est constitué par un about de lance fileté sur lequel vient se visser la buse (1). 5. Lance according to any one of claims 1 to 4, characterized in that the connector (11) is constituted by a threaded lance end on which is screwed the nozzle (1). 6. Lance selon d'une quelconque des revendications 1 à 4, caractérisée en ce que le raccord (11) ne forme qu'une seule pièce avec la buse (1).  6. Lance according to any one of claims 1 to 4, characterized in that the connector (11) forms only one piece with the nozzle (1).
FR8220007A 1982-11-29 1982-11-29 IMPROVED LANCE FOR SPRAYING A FLUID OR SOLID PRODUCT AND PARTICULARLY A FIRE LANCE Expired FR2536679B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8220007A FR2536679B1 (en) 1982-11-29 1982-11-29 IMPROVED LANCE FOR SPRAYING A FLUID OR SOLID PRODUCT AND PARTICULARLY A FIRE LANCE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8220007A FR2536679B1 (en) 1982-11-29 1982-11-29 IMPROVED LANCE FOR SPRAYING A FLUID OR SOLID PRODUCT AND PARTICULARLY A FIRE LANCE

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FR2536679A1 true FR2536679A1 (en) 1984-06-01
FR2536679B1 FR2536679B1 (en) 1986-01-24

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605383A1 (en) * 1986-10-17 1988-04-22 Duffour & Igon Sa Safety connecter with direct crimping, particularly for medical use
FR2914392A1 (en) * 2007-03-30 2008-10-03 Souriau Soc Par Actions Simpli Base for e.g. electric and/or pneumatic connector assembly, has fixation device with spheres respectively integrated to plate and base, and ball joint placed on both sides of body of base for rotating base with respect to support
CN101658720B (en) * 2009-04-20 2012-01-25 陈国清 Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1557477A (en) * 1924-06-09 1925-10-13 Klinkhammer Peter Extension handle for garden hose
US2289889A (en) * 1940-02-28 1942-07-14 Walter T Stick Garden sprinkler
GB643615A (en) * 1948-05-05 1950-09-20 Weeks & Son Ltd W Improvements in hose clamps
FR2387084A1 (en) * 1977-04-12 1978-11-10 Matincendie Sa Fluid projection jet - has nozzle with crimped sealing bush extended to form tubular grip around pipe end

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1557477A (en) * 1924-06-09 1925-10-13 Klinkhammer Peter Extension handle for garden hose
US2289889A (en) * 1940-02-28 1942-07-14 Walter T Stick Garden sprinkler
GB643615A (en) * 1948-05-05 1950-09-20 Weeks & Son Ltd W Improvements in hose clamps
FR2387084A1 (en) * 1977-04-12 1978-11-10 Matincendie Sa Fluid projection jet - has nozzle with crimped sealing bush extended to form tubular grip around pipe end

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2605383A1 (en) * 1986-10-17 1988-04-22 Duffour & Igon Sa Safety connecter with direct crimping, particularly for medical use
FR2914392A1 (en) * 2007-03-30 2008-10-03 Souriau Soc Par Actions Simpli Base for e.g. electric and/or pneumatic connector assembly, has fixation device with spheres respectively integrated to plate and base, and ball joint placed on both sides of body of base for rotating base with respect to support
CN101658720B (en) * 2009-04-20 2012-01-25 陈国清 Multifunctional supporting, anti-folding, economizing and energy saving fire hose extending liquid feeding device

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Publication number Publication date
FR2536679B1 (en) 1986-01-24

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