FR2458734A1 - BLOCKING CONNECTION DEVICE FOR PIPES - Google Patents

BLOCKING CONNECTION DEVICE FOR PIPES Download PDF

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Publication number
FR2458734A1
FR2458734A1 FR8009945A FR8009945A FR2458734A1 FR 2458734 A1 FR2458734 A1 FR 2458734A1 FR 8009945 A FR8009945 A FR 8009945A FR 8009945 A FR8009945 A FR 8009945A FR 2458734 A1 FR2458734 A1 FR 2458734A1
Authority
FR
France
Prior art keywords
sleeve
tubular body
connection device
pipes
female
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
FR8009945A
Other languages
French (fr)
Other versions
FR2458734B1 (en
Inventor
Herbert Mittleman
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.)
Baxter International Inc
Original Assignee
Baxter Travenol Laboratories Inc
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 Baxter Travenol Laboratories Inc filed Critical Baxter Travenol Laboratories Inc
Publication of FR2458734A1 publication Critical patent/FR2458734A1/en
Application granted granted Critical
Publication of FR2458734B1 publication Critical patent/FR2458734B1/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
    • F16L33/34—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses with bonding obtained by vulcanisation, gluing, melting, or the like
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • 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
    • F16L33/30—Arrangements for connecting hoses to rigid members; Rigid hose connectors, i.e. single members engaging both hoses comprising parts inside the hoses only
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
    • F16L37/133—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members using flexible hooks
    • 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
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/04—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with a swivel nut or collar engaging the pipe
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1033—Swivel nut connectors, e.g. threaded connectors, bayonet-connectors
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/10—Tube connectors; Tube couplings
    • A61M2039/1066—Tube connectors; Tube couplings having protection means, e.g. sliding sleeve to protect connector itself, shrouds to protect a needle present in the connector, protective housing, isolating sheath

Abstract

L'INVENTION CONCERNE L'INDUSTRIE DES RACCORDS DE TUYAUTERIE. DISPOSITIF DE RACCORDEMENT COMPOSE D'UNE PARTIE MALE 10 QUI COMPORTE UN MANCHON EXTERIEUR 20 POUVANT GLISSER LE LONG D'UNE PAROI CONIQUE DE SORTE QUE LA PRESSION OU LA COMPRESSION ENTRE CE MANCHON ET CETTE PAROI AUGMENTE A MESURE QUE LE MANCHON EXTERIEUR SE DEPLACE VERS L'AVANT. UNE BORDURE EXTERIEURE 18 EST PREVUE SUR LE CORPS DE LA PARTIE MALE POUR COOPERER AVEC LE MANCHON EXTERIEUR AFIN DE PERMETTRE DE DEVISSER LE MANCHON EXTERIEUR DE LA PARTIE FEMELLE SANS QUE CES DEUX PARTIES TOURNENT L'UNE PAR RAPPORT A L'AUTRE. APPLICATIONS AUX RACCORDEMENTS DE DIVERS TUBES ET TUYAUX, NOTAMMENT DANS LE DOMAINE MEDICAL.THE INVENTION IS CONCERNED WITH THE PIPING FITTING INDUSTRY. CONNECTION DEVICE CONSISTING OF A MALE PART 10 WHICH INCLUDES AN EXTERNAL SLEEVE 20 THAT CAN SLIDE ALONG A TAPERED WALL SO THAT THE PRESSURE OR COMPRESSION BETWEEN THIS SLEEVE AND THIS WALL INCREASES AS THE EXTERIOR SLEEVE MOVES TOWARDS IT 'BEFORE. AN EXTERNAL EDGE 18 IS PROVIDED ON THE BODY OF THE MALE PART TO COOPERATE WITH THE EXTERIOR SLEEVE SO AS TO ALLOW TO UNSCREW THE OUTER SLEEVE OF THE FEMALE PART WITHOUT THESE TWO PARTS TURNING RELATIVE TO THE OTHER. APPLICATIONS TO THE CONNECTIONS OF VARIOUS TUBES AND PIPES, ESPECIALLY IN THE MEDICAL FIELD.

Description

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DISPOSITIF DE RACCORD^ Z;\T A B3LOCAGE:OOUP 'IuYAUX La présente invention se rapporte à un dispositif de raccordement de  The present invention relates to a connection device for the connection of

type dit Lier à blocage perfectionné pour tayaux.  so-called Lier type with improved blocking for tayaux.

On connait des dispositifs de raccordement de ce type, à blocage ou à verrouillage comprenant une partie imâle portant un manchon extérieur fileté  Connection devices of this type, with locking or locking, are known, including an imaged part carrying a threaded outer sleeve

intérieurement qui coopère avec le filetage d'une partie femelle filetée exté-  internally which cooperates with the threading of an externally threaded female

rieurement ou qui porte une bordure radiale. On constate que certains dispo-  laterally or with a radial edge. It can be seen that some

sitifs de raccordement à blocage de ce type, de la technique antérieure, pré-  blocking connectors of this type, of the prior art,

sentent des fuites ce qui, dans le domaine médical, peut avoir pour conséquence, des embolies gazeuses ou bien peut poser des problèmes de contamination. De plus certains dispositifs de raccordement de la technique antérieure se sont révélés  leaks which, in the medical field, may result in gaseous embolisms or may cause contamination problems. In addition some prior art connection devices have been found

difficiles à utiliser car après le raccordement, la séparation devenait extré-  difficult to use because after the connection the separation became

mement difficile entre les parties mâle et femelle.  difficult between the male and female parts.

L'un des buts de la présente invention est un dispositif de raccordement  One of the aims of the present invention is a connection device

à blocage qui assure une liaison étanche aux fluides.  blocking which provides a fluid tight connection.

Un autre but de la présente invention est un dispositif de raccordement  Another object of the present invention is a connection device

permettant d'examiner facilement la liaison.  to easily examine the link.

L'invention a encore pour but un dispositif de raccordement dont les par-  Another object of the invention is a connection device whose parts

ties complémentaires ne sont pas soumises à des contraintes avant le blocage.  Complementary links are not subject to constraints before blocking.

L'invention vise également un dispositif de raccordement à blocage dont la structure est simple et qui peut être facilement fabriqué dans des conditions économiques.  The invention also relates to a locking connection device whose structure is simple and can be easily manufactured in economic conditions.

La présente invention a pour objet un dispositif de raccordement à blo-  The subject of the present invention is a connecting device which blocks

cage de type Luer qui se compose d'une partie mâle comprenant un corps tubu-  Luer type cage which consists of a male part comprising a tubular body

laire percé d'un trou et dont l'extrémité frontale ou antérieure est adaptée à être introduite dans une partie femelle, tandis que son extrémité arrière est  pierced with a hole and whose end or front end is adapted to be introduced into a female part, while its rear end is

adaptée à être reliée à un tube. Le corps tubulaire comporte une partie fron-  adapted to be connected to a tube. The tubular body has a boundary portion

tale qui est contigie à l'extrémité frontale et une partie princinale qui est séparée de cette partie frontale par un élément d'arrêt. Un manchon comportant une partie postérieure élastique est prévu pour glisser le long de la partie principale. Ce manchon possède aussi une partie frontale, laquelle est filetée intérieurement et est adaptée à recevoir un élément de la partie femelle qui est filetée extérieurement ou qui comporte une bordure extérieure filetée. La partie principale du corps tubulaire s'effile vers l'extérieur en direction de  tale which is contiguous to the front end and a main part which is separated from this front part by a stop element. A sleeve having a resilient posterior portion is provided to slide along the main portion. This sleeve also has a front portion, which is threaded internally and is adapted to receive an element of the female part which is threaded externally or which has a threaded outer edge. The main part of the tubular body tapers outward towards

l'avant. Ainsi, la pression ou la compression entre la partie arrière du man-  forward. Thus, the pressure or compression between the back part of the man-

chon et la partie principale du corps tubulaire augmente à mesure que le man-  chon and the main part of the tubular body increases as the man-

chon se déplace vers l'avant.chon moves forward.

Dans un mode de réalisation préféré, l'élément d'arrêt est constitué par  In a preferred embodiment, the stop element is constituted by

un collet entourant le corps tubulaire. La partie arrière du manchon a un dia-  a collar surrounding the tubular body. The back of the sleeve has a dia-

2 24587342 2458734

mètre inférieur au diamètre extérieur dudit collet, de sorte que ce dernier empèche un mouvement en avant de la partie arrière du manchon audelà d'un  less than the outside diameter of said collar, so that it prevents movement in front of the rear portion of the sleeve beyond a

point prédéterminé.predetermined point.

Selon un mode de réalisation avantageux, la partie arrière du manchon présente deux encoches opposées qui lui confèrent une certaine élasticité. Le  According to an advantageous embodiment, the rear part of the sleeve has two opposite notches which give it a certain elasticity. The

corps tubulaire porte deux barrettes extérieures en arrière de la partie prin-  tubular body carries two outer bars behind the main part

cipale, ces barrettes coopérant avec les encoches pour emp8cher le nanchon de  the bars cooperating with the notches to prevent the nanchon from

tourner par rapport au corps tubulaire quand les barrettes sont dans les en-  turn relative to the tubular body when the bars are in the

coches. 1)D'autres caractéristiques et avantages de l'invention ressortiront de la  checkmarks. 1) Other features and advantages of the invention will emerge from the

description qui va suivre, donnée uniquement à titre d'exemple nullement limi-  description which will follow, given only by way of example, which is in no way

tatif, en référence au dessin annexé, dans lequel La figure 1 est une vue en perspective d'un dispositif de raccordement à blocage conforme à la présente invention i La figure 2 est une vue en coupe du dispositif de raccordement de la figure 1; et  FIG. 1 is a perspective view of a blocking connection device according to the present invention; FIG. 2 is a sectional view of the connection device of FIG. 1; and

La figure 3 est une vue latérale en coupe à plus grande échelle du man-  Figure 3 is a sectional side view on a larger scale of the man-

chon porté par la partie mâle des figures 1 et 2 et qui montre sa liaison avec  chon worn by the male part of Figures 1 and 2 and shows its connection with

la partie femelle.the female part.

Q Le dispositif de raccordement représenté sur le dessin comprend une partie mâle 10 et une partie femelle 12. La partie femelle 12 comprend un corps  Q The connecting device shown in the drawing comprises a male part 10 and a female part 12. The female part 12 comprises a body

14 percé d'un trou 16 et une bride 18 entourant le trou 16 et qui s'étend ra-  14 having a hole 16 and a flange 18 surrounding the hole 16 and extending

dialement du corps 14. La longueur de la bride 18 est calculée pour qu'elle puisse coopérer par vissage avec le taraudage d'un manchon 20 faisant partie de la partie mâle 10. Un tube de matière plastique 22 est fixé au corps 14 par  The length of the flange 18 is calculated so that it can cooperate by screwing with the tapping of a sleeve 20 forming part of the male part 10. A plastic tube 22 is fixed to the body 14 by

pression et par soudage à l'aide d'un solvant, d'une manière connue.  pressure and by welding with a solvent, in a known manner.

La partie mâle 10 comprend un corps tubulaire 24 qui délimite une ouver-  The male part 10 comprises a tubular body 24 which delimits an opening

ture ou un trou 26 et qui comprend une partie frontale 28 dont l'extrémité an-  or a hole 26 and which comprises a front portion 28 whose end end

térieure 30 est adaptée à être introduite dans le trou 16 de la partie femelle 12. La surface extérieure de la partie frontale 28 est dimensionnée de façon à  30 is adapted to be inserted into the hole 16 of the female portion 12. The outer surface of the front portion 28 is dimensioned so as to

produire un ajustement serré dans le trou 16.  produce a tight fit in the hole 16.

Le corps tubulaire 24 comporte aussi une partie principale 32 qui est séparée de la partie frontale 28 par un élément d'arrgt 34. Dans le mode de  The tubular body 24 also has a main portion 32 which is separated from the front portion 28 by a stop element 34. In the

réalisation représenté 1' élment d'arrêt 34 est constitué par un collet entou-  embodiment shown 1 'stop element 34 is constituted by a collet entou-

rant le corps tubulaire 24.the tubular body 24.

L'extrémité arrière 36 du corps tubulaire 24 est reliée au tube de ma-  The rear end 36 of the tubular body 24 is connected to the tube of

tière plastique par un ajustement serré et par un collage à l'aide d'un solvant.  plastic material by a tight fit and solvent bonding.

Deux barrettes opposées 38 et 39 s'étendent sur le corps tubulaire 24 près de son extrémité arrière 36 afin de coopérer avec des encoches 40 délimitées par  Two opposite bars 38 and 39 extend over the tubular body 24 near its rear end 36 to cooperate with notches 40 delimited by

3 245873 43 245873 4

le manchon 20, comme il est expliaué ci-atrès.  the sleeve 20, as explained above.

Le manchon 20 comporte une partie frontale ou antérieure 42 qui est  The sleeve 20 has a front or anterior portion 42 which is

filetée intérieurement pour coopérer avec la bordure 18, et une partie ar-  threaded internally to cooperate with the edge 18, and a portion

rière 44 qui a un diamètre intérieur plus petit que le diamètre extérieur du collet 34. Ainsi, le collet 34 sert à éviter que le manchon 20 puisse dé-  44 which has an inside diameter smaller than the outside diameter of the collar 34. Thus, the collar 34 serves to prevent the sleeve 20 from deforming.

passer la position représentée sur la figure 2.  move the position shown in Figure 2.

La partie arrière 44 comporte une extrémité 46 dont la surface inté-  The rear portion 44 has an end 46 whose integral surface

rieure 48 forme un joint à frottement contre la surface de la partie princi-  48 forms a friction seal against the surface of the main part.

pale 32. La partie principale 32 s'effile en c8ne en direction de l'avant, de sorte qu'à mesure que le manchon 20 se déplace vers l'avant, la pression  32. The main portion 32 tapers in a forward direction, so that as the sleeve 20 moves forward, the pressure

augmente entre la surface intérieure 48 et la surface de la partie princi-  between the inner surface 48 and the surface of the main part

pale 32. Cette disposition assure une excellente étanchéité.  32. This arrangement provides excellent sealing.

Comme il a été indiqué, la partie arrière 44 du manchon 20 présente des encoches 40 qui, comme on le voit clairement sur les figures 1 et 3 sont plus  As has been indicated, the rear portion 44 of the sleeve 20 has notches 40 which, as clearly visible in FIGS.

larges à l'extrémité 46 de la partie arrière 44 et qui concourent vers l'a-  wide at the end 46 of the rear part 44 and which contribute towards the

vant. Ces encoches en V contribuent à conférer au manchon l'élasticité qui convient pour se déplacer le long de la partie principale 32. De plus, quand  efore. These V-notches help to give the sleeve the proper elasticity to move along the main portion 32. In addition, when

on dévisse le manchon 20 de la bordure 18, les barrettes 38 et 39 sont empri-  the sleeve 20 is unscrewed from the edge 18, the bars 38 and 39 are

sonnées dans les encoches 40, empochant ainsi le manchon 20 et le corps tubu-  in the notches 40, thus pocketing the sleeve 20 and the tubular body

laire 24 de tourner l'un par rapport à l'autre. Le fait d'enrayer cette rota-  24 to turn relative to each other. Stopping this rotation

tion du manchon 20 et du corps tubulaire 24 a son importance car autrement il serait extrêmement difficile de détacher la partie male 10 de la partie  the sleeve 20 and the tubular body 24 is important because otherwise it would be extremely difficult to detach the male part 10 of the part

femelle 12 après que ces deux parties aient été accouplées.  female 12 after these two parts have been mated.

Il est avantageux que le dispositif de raccordement qui vient d'être décrit soit fait d'une matière plastique moulée. En variante, le manchon 20 pourrait porter deux ailettes permettant à l'utilisateur de le saisir afin  It is advantageous that the connection device which has just been described is made of a molded plastics material. Alternatively, the sleeve 20 could carry two fins allowing the user to enter it so

d'introduire et de retirer la partie male 10 de la partie femelle 12.  to introduce and remove the male part 10 of the female part 12.

On voit que la surface intérieure 48 forme un joint frottant ou amnu-  It can be seen that the inner surface 48 forms a rubbing or magnetic seal

laire qui est comprimé par le mouvement vers l'avant du manchon 20 le long  which is compressed by the forward motion of the sleeve 20 along

de la partie principale 32 du corps. L'étanchéité formée par la surface in-  of the main part 32 of the body. The seal formed by the surface

térieure 48 est adaptée au manchon aD, de sorte que ce dernier est auto -  48 is adapted to the sleeve aD, so that it is self-

centrant. En utilisant la structure décrite ci-dessus, on obtient un excel-  centering. Using the structure described above, we obtain an excellent

lent joint, le manchon et l'élément tubulaire comportant des éléments coo-  slow seal, the sleeve and the tubular element comprising

pérant qui empêchent un mouvement relatif de rotation quand on désire séparer  which prevent a relative movement of rotation when one wishes to separate

le dispositif de raccordement.the connecting device.

Il va de soi que de nombreuses modifications peuvent être apportées à l'exemple de réalisation représenté et décrit sans sortir pour autant du  It goes without saying that many modifications can be made to the embodiment shown and described without departing from the

cadre de l'invention.framework of the invention.

4 24587344 2458734

REVEi DICATI0i$ 1. Dispositif de raccordement à blocage qui corprend: une partie mâle  REVEi DICATI0i $ 1. Locking connection device which includes: a male part

(10)comprenant un corps tubulaire (24) percé d'un trou (26) ou d'une ouver-  (10) comprising a tubular body (24) pierced with a hole (26) or an opening

ture, dont l'extrémité frontale est adaptée à être introduite dans une partie femelle (12), et dont l'extrémité nostérieure est adaptée à être reliée à un  ture, whose end end is adapted to be introduced into a female part (12), and whose lower end is adapted to be connected to a

tube ou autre, ledit corps tubulaire comportant une partie frontale(28) con-  tubular body or other, said tubular body having a front portion (28)

tigUe à ladite extrémité frontale et une partie principale (32) qui est sé-  tigUe at said front end and a main portion (32) which is

parée de ladite partie frontale par un élément d'arrêt (34); un manchon (20) ayant une partie arrière élastique (44) qui peut glisser le long de ladite  adorned with said front portion by a stop member (34); a sleeve (20) having a resilient rear portion (44) slidable along said

partie principale et qui comporte une partie frontale filetée (42) intérieure-  main part and which has a threaded front part (42) inside-

ment et adaptée à recevoir une bordure extérieure (18) portée par la partie femelle (12), ladite partie principale dudit corps tubulaire s'effilant vers l'extérieur en direction de l'avant, ce qui fait que la compression entre la partie arrière du manchon et ladite partie principale augmente à mesure que  and adapted to receive an outer rim (18) carried by the female portion (12), said major portion of said tubular body tapering outwardly toward the front, whereby the compression between the rear portion of the sleeve and said main portion increases as

ledit manchon se déplace vers l'avant.  said sleeve moves forward.

2. Dispositif selon la revendication 1, caractérisé en ce que ledit élé-  2. Device according to claim 1, characterized in that said ele-

ment d'arrêt est un collet entourant ledit corps tubulaire.  stopping piece is a collar surrounding said tubular body.

3. Dispositif selon l'une des revendications 1 et 2, caractérisé en ce  3. Device according to one of claims 1 and 2, characterized in that

que la partie arrière du manchon a un diamètre intérieur plus petit que le diamètre extérieur dudit élément d'arrét, ce qui fait que ce dernier empêche un mouvement en avant de ladite partie arrière du manchon au-delà d'un point prédéterminé.  that the rear portion of the sleeve has an inside diameter smaller than the outside diameter of said stop member, so that the latter prevents movement forward of said rear portion of the sleeve beyond a predetermined point.

4. Dispositif selon l'une des revendications 1 à 3, caractérisé en ce  4. Device according to one of claims 1 to 3, characterized in that

que la partie arrière du manchon présente une encoche qui lui confère une certaine élasticité. 5. Dispositif selon la revendication 4, caractérisé en ce que ledit corps tubulaire porte extérieurement, en arrière de ladite partie principale,  that the rear portion of the sleeve has a notch which gives it a certain elasticity. 5. Device according to claim 4, characterized in that said tubular body carries externally, behind said main part,

une barrette qui coopère avec ladite encoche pour empacher le manchon de tour-  a bar which cooperates with said notch to urge the sleeve

ner par rapport au corps tubulaire quand cette barrette est dans ladite en-  with respect to the tubular body when this bar is in the said

0 coche.0 checkmark.

6. Dispositif selon la revendication 4, caractérisé en ce que la partie  6. Device according to claim 4, characterized in that the part

la plus large de ladite encoche est située à l'extrémité postérieure de la-  widest of said notch is located at the posterior end of the

dite partie arrière, ladite encoche concourant vers l'intérieur et l'avant.  said rear portion, said recess notching inward and forward.

7. Dispositif selon l'une des revendications 1 à 6, caractérisé en ce  7. Device according to one of claims 1 to 6, characterized in that

que la partie arrière du manchon comporte une extr6mité présentant une sur- face intérieure qui forme un joint à frottement contre la surface conique  the rear portion of the sleeve has an end having an inner surface which forms a friction seal against the conical surface

dudit corps tubulaire.said tubular body.

FR8009945A 1979-06-04 1980-05-05 LOCKING CONNECTION DEVICE FOR PIPES Expired FR2458734B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4494379A 1979-06-04 1979-06-04

Publications (2)

Publication Number Publication Date
FR2458734A1 true FR2458734A1 (en) 1981-01-02
FR2458734B1 FR2458734B1 (en) 1985-06-07

Family

ID=21935176

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8009945A Expired FR2458734B1 (en) 1979-06-04 1980-05-05 LOCKING CONNECTION DEVICE FOR PIPES

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AU (1) AU538660B2 (en)
BE (1) BE883615A (en)
CA (1) CA1133966A (en)
DE (1) DE3019417A1 (en)
DK (1) DK224680A (en)
ES (1) ES251065Y (en)
FR (1) FR2458734B1 (en)
GB (2) GB2055166B (en)
NO (1) NO155214C (en)
SE (1) SE452185B (en)

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SE455470B (en) * 1981-06-23 1988-07-18 Terumo Corp CONNECTING TWO HOSE FOR MEDICAL, THERAPEUTICAL USE HOSE
IE54194B1 (en) * 1982-06-30 1989-07-05 Boots Co Plc Medical connector
US4597758A (en) * 1982-09-21 1986-07-01 Baxter Travenol Laboratories, Inc. Sealing closure for a Luer fitting in open communication with a pressurized liquid supply
GB8324281D0 (en) * 1983-09-10 1983-10-12 Smith & Nephew Ass Rotating luer lock
JPH0348472Y2 (en) * 1985-06-03 1991-10-16
US4737334A (en) * 1987-03-06 1988-04-12 Hewlett-Packard Company Plastic molding of an improved Luer nut
DE3821154C1 (en) * 1988-06-23 1989-10-19 B. Braun Melsungen Ag, 3508 Melsungen, De
US4932398A (en) * 1988-12-23 1990-06-12 Dentsply Limited Anaesthetic vaporizer interlock system and connector for anaesthetic apparatus
ITTO20010140A1 (en) 2001-02-16 2002-08-16 Borla Ind MALE LUER LOCK CONNECTOR FOR MEDICAL FLUID LINES.
SG115396A1 (en) * 2001-08-22 2005-10-28 Borla Ind Male luer-lock connector for medical fluid lines
US6802836B2 (en) 2002-02-19 2004-10-12 Scimed Life Systems, Inc. Low profile adaptor for use with a medical catheter
US7507230B2 (en) 2002-02-19 2009-03-24 Boston Scientific Scimed, Inc. Medical catheter assembly including multi-piece connector
FR2845921A1 (en) * 2002-10-16 2004-04-23 Vygon Connector and lock for tubes used in medicine has lock capable of transverse elastic deformation to grip female component of connector
JP5041920B2 (en) * 2007-08-24 2012-10-03 日本コヴィディエン株式会社 Lock connector
USD937411S1 (en) 2019-08-30 2021-11-30 Fisher & Paykel Healthcare Limited Unit end connector

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DE1204896B (en) * 1963-04-08 1965-11-11 Simca Ind Soc An Tube fitting
GB1174948A (en) * 1966-08-08 1969-12-17 Quickfit & Quartz Ltd Improvements in or relating to Tube Couplings
FR2127866A5 (en) * 1971-03-01 1972-10-13 Braun Melsungen Ag
DE2356093A1 (en) * 1973-01-11 1974-07-18 Extracorporeal Med Spec FIXED HOSE COUPLING
GB1397493A (en) * 1972-10-19 1975-06-11 Usui Kokusai Sangyo Kk Pipe connections
FR2395037A1 (en) * 1977-06-24 1979-01-19 Peters Ligatures Connector socket for intravenous catheter tube - has hollow metallic mandrel with deformable elastic central component fitting into conical holder to prevent accidental disconnection
DE2831267A1 (en) * 1977-07-18 1979-02-08 Kendall & Co CONNECTOR FOR CONNECTING AN INJECTION SYRINGE TO A CATHETER

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Publication number Priority date Publication date Assignee Title
DE1204896B (en) * 1963-04-08 1965-11-11 Simca Ind Soc An Tube fitting
GB1174948A (en) * 1966-08-08 1969-12-17 Quickfit & Quartz Ltd Improvements in or relating to Tube Couplings
FR2127866A5 (en) * 1971-03-01 1972-10-13 Braun Melsungen Ag
GB1397493A (en) * 1972-10-19 1975-06-11 Usui Kokusai Sangyo Kk Pipe connections
DE2356093A1 (en) * 1973-01-11 1974-07-18 Extracorporeal Med Spec FIXED HOSE COUPLING
FR2327483A1 (en) * 1973-01-11 1977-05-06 Extracorporeal Med Spec HELICOIDAL CLOSURE CONNECTION
FR2395037A1 (en) * 1977-06-24 1979-01-19 Peters Ligatures Connector socket for intravenous catheter tube - has hollow metallic mandrel with deformable elastic central component fitting into conical holder to prevent accidental disconnection
DE2831267A1 (en) * 1977-07-18 1979-02-08 Kendall & Co CONNECTOR FOR CONNECTING AN INJECTION SYRINGE TO A CATHETER
FR2397842A1 (en) * 1977-07-18 1979-02-16 Kendall & Co CONNECTOR FOR CONNECTING A SYRINGE TO A CATHETER

Also Published As

Publication number Publication date
GB2055166B (en) 1983-07-27
SE452185B (en) 1987-11-16
BE883615A (en) 1980-10-01
GB2089921B (en) 1983-08-03
DK224680A (en) 1980-12-05
ES251065Y (en) 1981-08-01
NO155214C (en) 1987-02-25
NO801477L (en) 1980-12-05
GB2055166A (en) 1981-02-25
FR2458734B1 (en) 1985-06-07
AU538660B2 (en) 1984-08-23
ES251065U (en) 1981-02-16
DE3019417A1 (en) 1980-12-11
NO155214B (en) 1986-11-17
CA1133966A (en) 1982-10-19
GB2089921A (en) 1982-06-30
SE8003664L (en) 1980-12-05
AU5833780A (en) 1980-12-11

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