EP2005528A2 - Manchon de raccordement a sertissage ayant un indicateur de sertissage - Google Patents

Manchon de raccordement a sertissage ayant un indicateur de sertissage

Info

Publication number
EP2005528A2
EP2005528A2 EP07757416A EP07757416A EP2005528A2 EP 2005528 A2 EP2005528 A2 EP 2005528A2 EP 07757416 A EP07757416 A EP 07757416A EP 07757416 A EP07757416 A EP 07757416A EP 2005528 A2 EP2005528 A2 EP 2005528A2
Authority
EP
European Patent Office
Prior art keywords
crimp
fitting
connector
band
sleeve connector
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.)
Withdrawn
Application number
EP07757416A
Other languages
German (de)
English (en)
Inventor
Steven Allen Poll
Ronald Mark Dalessandro
Russel Christopher Six
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.)
Trans-Matic Manufacturing Co Inc
Trans Matic Manufacturing Co Inc
Original Assignee
Trans-Matic Manufacturing Co Inc
Trans Matic Manufacturing Co 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 Trans-Matic Manufacturing Co Inc, Trans Matic Manufacturing Co Inc filed Critical Trans-Matic Manufacturing Co Inc
Publication of EP2005528A2 publication Critical patent/EP2005528A2/fr
Withdrawn legal-status Critical Current

Links

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
    • F16L13/00—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints
    • F16L13/14—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling
    • F16L13/141—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside
    • F16L13/143—Non-disconnectible pipe-joints, e.g. soldered, adhesive or caulked joints made by plastically deforming the material of the pipe, e.g. by flanging, rolling by crimping or rolling from the outside with a sealing element placed around the male part before crimping or rolling
    • 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
    • F16L33/02—Hose-clips
    • F16L33/025—Hose-clips tightened by deforming radially extending loops or folds
    • 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
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/12—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with additional locking means
    • 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
    • F16L2201/00—Special arrangements for pipe couplings
    • F16L2201/10—Indicators for correct coupling

Definitions

  • the present invention relates generally to sleeve connectors for attaching a tube to a fitting. More particularly, the present invention relates to crimp sleeve connectors that can be crimped to attach a tube to a fitting. The present invention further relates to indicators for use with such crimp sleeve connectors for providing positive confirmation that the connector has been crimped.
  • Fluid carrying conduits are used in a variety of environments including building structures such as homes and manufacturing facilities as well as in transportation vehicles such as automobiles.
  • the conduits are provided in a variety of shapes and sizes and typically involve polymerized pipes and tubes that are connected to pipe fittings.
  • the pipes and tubes are fixed to the fittings through a variety of methods, including, for example, compression clamps.
  • the compression clamps bring the pipe or tube into close physical contact with the fitting. To accomplish this measure the compression clamps must be compressed or crimped around the tube or pipe. Whether or not the tube is successfully attached depends on the arrangement of the compression clamp and on the skill of the installer.
  • the present invention provides a crimp sleeve connector for connecting and maintaining the connection between a pipe fitting and a component such as a fitting.
  • the crimp sleeve connector includes a crimp band formed from a metal and a body formed from a polymerized material.
  • the crimp band includes a band portion and a crimp ear.
  • the crimp ear extends from the band portion and includes a pair of opposed crimping walls and a bridge connecting the walls.
  • the body includes an upper, tube receiving end and a lower, narrow end for attachment to the fitting.
  • the upper end has a bevel which allows the installer to more easily insert the tube into the body.
  • the lower end has a series of legs which terminate in flanges.
  • the flanges interlock with a channel formed on the fitting. This will connect the crimp sleeve connector and the fitting together as an assembly saving the installer valuable time during installation. Inward of the flanges is a shoulder against which the tube abuts upon full insertion of the tube into the body of the crimp sleeve connector.
  • one or more o-rings is provided on the fitting.
  • the tube is pressed against the fitting and the o-rings are squeezed, thus forming a fluid-tight seal.
  • the body of the crimp sleeve connector also includes an internal groove formed on the inner wall of the body.
  • the band portion of the crimp band nests in the groove.
  • the crimp sleeve connector body also includes a window formed in one of its walls. When the crimp band is positioned within the crimp sleeve connector body the crimp ear extends substantially through the window.
  • the installer places the crimp sleeve connector onto the fitting until the flanges of the body engage the channel of the fitting. The crimp sleeve connector is thus installed on the fitting.
  • Crimping of the crimp sleeve connector is effected using a crimping tool having a pair of opposed jaws for engagement with the crimping walls of the crimp ear.
  • the installer applies force to the crimping tool such that the opposed jaws press against the crimping walls, the crimping walls are moved in toward one another and the diameter of the crimping band is thus reduced. The reduced diameter causes the tube to squeeze inwardly against the fitting.
  • the present invention also provides a system by which the installer can know visually and with certainty that the crimp sleeve connector has been crimped.
  • a crimp indicator is provided around the crimp sleeve connector.
  • the crimp indicator is specifically positioned over the crimp ear.
  • the crimp indicator is composed of an elastic and flexible polymerized material in the form of a band or tape.
  • the crimp indicator is preferably stretched over the crimp sleeve connector
  • the tool is manipulated by squeezing, in addition to crimping the crimp ear the opposed jaws of the crimping tool cut through the flexible band, thus freeing the band from the clamp connector and indicating to the installer that the clamp connector has been crimped and verifies that the crimp operation has been completed by the installer.
  • the present invention has several useful features when compared with the prior art.
  • the crimp sleeve connector can be used to attach many different types of pipe made from a variety of materials, such as plastic, rubber, and/or a combination of plastic and metal or multi-layer pipes.
  • the fitting can be made from any type of metal or plastic material.
  • the fitting can include one or more barbs of any shape or design as well as o-rings in addition to or instead of the barbs.
  • the indicator system provides the installer with instant recognition of the state of the crimping of the crimp band.
  • the crimp band indicator of the present invention may be readily attached to the crimp sleeve connector at the manufacturing stage or the crimp band indicator may be attached to a crimp sleeve connector as an after-market indicator.
  • the crimp band indicator of the present invention is also inexpensive to produce and to operate.
  • FIG. 1 illustrates a perspective view of the assembled tube, fitting and crimp sleeve connector of the present invention
  • FIG. 2 shows a sectional view of the assembled tube, fitting, and crimp sleeve connector shown in Figure 1 ;
  • FIG. 3 is an exploded view of the components shown in Figure 2;
  • FIG. 4 is a view similar to that of Figure 3 but showing each illustrated component in section;
  • FIG. 5 illustrates a perspective view of a modified version of the assembled tube, fitting and crimp sleeve connector of FIGS. 1 - 4 with the crimp sleeve connector having a crimp band indicator in position prior to crimping;
  • FIG. 6 is a sectional view of the assembled tube, fitting and crimp sleeve connector shown in FIG. 5;
  • FIG. 7 is an exploded view of the tube, fitting and crimp sleeve connector with the connector having the crimp band indicator of FIGS. 5 and 6;
  • FIG. 8 is an exploded side view of the assembled tube, fitting and crimp sleeve connector with crimp band indicator of FIGS. 5 - 7 but showing the components in sectional view;
  • FIG. 9 is a view of the first step in using a crimping tool to crimp the crimp sleeve connector while simultaneously grasping the crimp band indicator;
  • FIG. 10 is a view of the second step in using the crimping tool to crimp the crimp sleeve connector while simultaneously breaking the crimp band indicator with the crimping tool;
  • FIG. 11 is a view of the third step in using the crimping tool to crimp the crimp sleeve connector with the crimp band indicator having been broken.
  • FIG. 1 a perspective view of the assembled tube, fitting and crimp sleeve connector, generally illustrated as 10, is shown. It is to be understood that the illustrated size and shape of the assembly 10 is shown for illustrative purposes and is not intended to be limiting. The assembly 10 is illustrated in cross-section in FIG. 2.
  • the assembly 10 includes a tube
  • the tube 12 may be composed of a variety of materials including plastic or vinyl.
  • the tube 12 may have a core composed of a metal, such as aluminum, and have a wrapping of a polymerized material.
  • the assembly 10 further includes a fitting 14 to which the tube 12 is connected.
  • the fitting 14 is illustrated as being of the threaded type. However it is to be understood that the fitting 14 may be of a variety of types and designs. In addition, the fitting 14 may be composed of a wide variety of materials including a plastic, a nylon or a metal.
  • a pair of spaced apart o-rings 16, 16' is fitted near the connected end of the fitting 14 in channels formed in the fitting 14.
  • the o-rings 16, 16' may be made from a known variety of polymerized material and are provided to form a fluid-tight seal between the tube 12 and the fitting 14.
  • o-rings 16, 16' While two o-rings 16, 16' are shown it is to be understood that a single o-ring may be used as well as more than the illustrated two o-rings.
  • the one or more o-rings may be placed along the fitting 14 at different locations other than those shown.
  • the o- rings may alternatively be provided on the inside of the tube 12. The object of the o-rings and their placement is to provide a fluid-tight seal between the tube 12 and the fitting 14.
  • the crimp sleeve connector 18 includes a body 20 and a crimp band 22.
  • the body 20 is preferably composed of a polymerized material such as a plastic.
  • the crimp band 22 is formed from a metal.
  • the body 20 of the crimp sleeve connector 18 includes a narrow end
  • the wide end 26 includes a slight bevel as illustrated.
  • the narrow end 24 includes an internal flange 28 which is fittable into a channel 30 radially formed on the fitting 14. Formed inwardly of the internal flange 28 is a shoulder 32 which acts as a wall so that the end of the tube 12 stops on insertion into the crimp sleeve connector 18.
  • the crimp band 22 is provided in a groove 34 formed radially in the inner wall of the body 20.
  • the crimp band 22 includes a crimp ear 36 and a band portion 38.
  • the crimp ear 36 extends radially outwardly from the band portion 38.
  • the crimp ear 36 includes a pair of spaced apart crimp tool-receiving walls 40 and 40' of which one, wall 40, is seen in FIG. 1 and FIG. 2.
  • the crimp tool-receiving walls 40 and 40' are joined by a bridge 42.
  • FIG. 3 The tube 12, fitting 14, crimp band 22, and body 20 are shown in exploded views in FIG. 3 and FIG. 4.
  • FIG. 3 the exploded components are shown whole while in FIG. 4 the components are each shown in section.
  • a window 44 is defined therein through which the crimp ear 36 passes when the crimp band 22 is positioned within the groove 34 of the body 20.
  • the channel 30 and its formation adjacent a radial wall 46 which functions as a stop against which the body 20 is braced when in position on the fitting 14.
  • the other wall of the channel 30 is a radial shoulder 47.
  • FIG. 3 and FIG. 4 also provide an advantageous view of the construction of the narrow end 24 of the body 20.
  • the narrow end 24 includes a plurality of legs 48, 48', and 48". Because the body 20 is composed of a polymerized material, the legs 48, 48' and 48" are somewhat flexible in relation to the body 20.
  • This construction allows for the flange 28 (formed on each of the legs 48, 48' and 48") to resiliently move outwardly and over the radial shoulder 47 of the fitting 14 as the body is inserted onto the crimp sleeve connector 18 is fitted on the fitting 14.
  • the flanges 28 of each of the legs 48, 48' and 48" snap fit into the channel 30.
  • the tube 12 is inserted into the wide end 26 of the body 20.
  • the tube 12 is pushed into the body 20 until the end of the tube 12 abuts the shoulder 32 at which point inward movement of the tube 12 into the body 20 is halted.
  • the crimping tool is used to crimp the crimp ear 36 and the band 22 is drawn tight against the tube 12 which, in turn, is drawn tight against the fitting 14.
  • This arrangement in conjunction with the o-rings 16 and 16', forms a fluid- tight connection between the tube 12 and the fitting 14.
  • FIGS. 1 through 4 a variation of the invention shown in FIGS. 1 through 4 is illustrated in FIGS. 5 through 11 in which an indicator system is provided on the crimp sleeve connector.
  • an alternate embodiment of the present invention is illustrated as an assembly 110 which includes a tube 112 which is composed of the same materials as the tube 12.
  • the assembly 110 further includes a fitting 114 to which the tube 112 is connected.
  • a pair of spaced apart o- rings 116, 116' is provided on the fitting 114.
  • a crimp sleeve connector 118 is provided and includes a body 120 and a crimp band 122.
  • the body 120 of the crimp sleeve connector 118 includes a narrow end 124 and a wide end 126.
  • the narrow end 124 includes an internal flange 128 which is fittable into a channel 130 radially defined in the fitting 114.
  • a shoulder 132 is formed inwardly of the internal flange 128. The shoulder 132 is a wall against which the end of the tube 112 is halted when the tube 112 is inserted into the crimp sleeve connector 118.
  • a groove 134 is formed inside of the body 120 to receive and retain the crimp band 122.
  • a crimp ear 136 extends from a band portion 138 of the crimp band 122.
  • the crimp ear 136 includes a pair of spaced apart crimp tool-receiving walls 140 and 140' which are joined by a bridge 142.
  • a window 144 is formed through the body 120 through which the crimp ear 136 is passed when the crimp band 122 is positioned within the groove 134 of the body 120.
  • the construction of the channel 130 is also clearly shown in FIG. 7 and Fig. 8.
  • the channel 130 is formed between a radial wall 146 and a radial shoulder 147.
  • a pair of opposed walls 145 and 145' are formed in the body 120.
  • the pair of opposed walls 145 and 145' define two opposed ends of the window 144 and provide a slot which guides the jaws of the crimping tool (shown in FIGS. 9 through 11 and discussed in relation thereto).
  • the opposed walls 145 and 145' thus enable the operator to more readily locate and apply appropriate pressure to the crimping ear 136, an arrangement which provides great time savings and improved crimping.
  • FIG. 7 and FIG. 8 Also visible in FIG. 7 and FIG. 8 are a pair of legs 148 and 148'.
  • the construction and function of the legs 148 and 148' are essentially the same as construction and function of the legs 48, 48' and 48".
  • Each of the legs 148 and 148' includes a flange 128.
  • the flanges 128 snap fit into the channel 130 upon attachment of the crimp sleeve connector 118 onto the fitting 114.
  • Assembly of the fitting 114, the tube 112 and the crimp sleeve connector 118 is the same as discussed above with respect to the assembly 10.
  • crimp indicator 150 is provided around the crimp sleeve connector 1 18 and is in part specifically positioned over the crimp ear 136.
  • the crimp indicator 150 is preferably composed of an elastic and flexible polymerized material in the form of a band or tape.
  • the crimp indicator 150 is preferably stretched over the crimp sleeve connector 118.
  • FIGS. 9 through 11 The crimping of the crimp sleeve connector 118 and the substantially simultaneous breaking and release of the crimp indicator 150 is illustrated in step- wise views in FIGS. 9 through 11 in which a crimping tool 152 is shown.
  • the crimping tool 152 includes a pair of opposed crimping and cutting jaws 154 and 154'.
  • the crimping tool 152 shown is for illustrative purposes and it is to be understood that a single crimping tool 152 may be used to crimp a wide variety of connectors regardless of the width of the crimp ear. This flexibility enables easier installation of the connector of the present invention in that the installer need only rely on one crimping tool 152 rather than several.
  • the crimping tool 152 is shown spaced apart from the assembly 1 10 and the crimp band indicator 150.
  • the crimping tool 152 is shown in position on the crimp ear 136 and the overlapping crimp indicator 150 while crimping and cutting is being undertaken by the opposed jaws 154 and 154'.
  • the crimping tool 152 is shown as having completed the crimping and cutting operation whereby the crimp indicator 150 has been cut and released and the crimp sleeve connector 118 has been crimped and is positioned so as to hold the tube 112 in place in the fitting 114.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Abstract

L'invention concerne un manchon de raccordement à sertissage pour la connexion sûre d'un tuyau et d'un raccord. Le manchon de raccordement à sertissage est sensiblement positionnable sur le raccord et le tuyau est inséré entre le raccord et le manchon de raccordement à sertissage. Le manchon comprend un crampon de sertissage qui s'étend au travers du corps du manchon de raccordement à sertissage. Au moins un joint torique est installé sur le raccord en une telle position que, quand le tuyau, le raccord et le manchon de raccordement à sertissage sont en place, le joint torique a pour rôle de maintenir un joint étanche au fluide. Un autre mode de réalisation du manchon de raccordement à sertissage comprend un indicateur de sertissage sous la forme d'une bande qui se retire après le sertissage, permettant ainsi une confirmation visuelle comme quoi le crampon de sertissage a été serti.
EP07757416A 2006-02-23 2007-02-23 Manchon de raccordement a sertissage ayant un indicateur de sertissage Withdrawn EP2005528A2 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US77589006P 2006-02-23 2006-02-23
US81411206P 2006-06-16 2006-06-16
US85216206P 2006-10-17 2006-10-17
PCT/US2007/062729 WO2007101110A2 (fr) 2006-02-23 2007-02-23 Manchon de raccordement a sertissage ayant un indicateur de sertissage

Publications (1)

Publication Number Publication Date
EP2005528A2 true EP2005528A2 (fr) 2008-12-24

Family

ID=38459754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07757416A Withdrawn EP2005528A2 (fr) 2006-02-23 2007-02-23 Manchon de raccordement a sertissage ayant un indicateur de sertissage

Country Status (4)

Country Link
EP (1) EP2005528A2 (fr)
CA (1) CA2643460A1 (fr)
MX (1) MX2008010837A (fr)
WO (1) WO2007101110A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009000508U1 (de) 2009-01-16 2009-04-23 Poloplast Gmbh Rohrklemme
DK2341273T3 (da) 2010-01-05 2012-08-20 Geberit Int Ag Rørklemme
EP2497989B1 (fr) 2011-03-11 2014-06-11 Geberit International AG Agencement de collier de serrage de tuyau
DE102018109555B3 (de) 2018-04-20 2019-10-24 Uponor Innovation Ab Pressfitting für eine Rohrverbindung und Verfahren zu seiner Herstellung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4493525A (en) * 1983-01-31 1985-01-15 Amp Incorporated Electrical plug connector and receptacle therefor
CA1274068A (fr) * 1984-06-20 1990-09-18 Hans Oetiker Patte deformable de collier de serrage
US4928202A (en) * 1988-12-12 1990-05-22 Stanley Aviation Corporation Coupler with combination locking and bonding ring
US4884432A (en) * 1989-02-21 1989-12-05 Camco, Incorporated Backup for a clamp crimper
CA2366168A1 (fr) * 2001-12-24 2003-06-24 Ipex Inc. Dispositif de fixation changeant de couleur sous la pression

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2007101110A3 *

Also Published As

Publication number Publication date
MX2008010837A (es) 2008-10-09
CA2643460A1 (fr) 2007-09-07
WO2007101110A3 (fr) 2008-04-03
WO2007101110A2 (fr) 2007-09-07

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