WO2008092682B1 - Insertion and release tool for pipe fitting arrangement and method using such tool - Google Patents

Insertion and release tool for pipe fitting arrangement and method using such tool

Info

Publication number
WO2008092682B1
WO2008092682B1 PCT/EP2008/000759 EP2008000759W WO2008092682B1 WO 2008092682 B1 WO2008092682 B1 WO 2008092682B1 EP 2008000759 W EP2008000759 W EP 2008000759W WO 2008092682 B1 WO2008092682 B1 WO 2008092682B1
Authority
WO
WIPO (PCT)
Prior art keywords
housing
pipe
tool
engagement means
engagement
Prior art date
Application number
PCT/EP2008/000759
Other languages
French (fr)
Other versions
WO2008092682A1 (en
Inventor
Steven Paul Webb
Alan Richard Glaze
Original Assignee
Ibp Conex Ltd
Steven Paul Webb
Alan Richard Glaze
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 Ibp Conex Ltd, Steven Paul Webb, Alan Richard Glaze filed Critical Ibp Conex Ltd
Priority to EP08707448A priority Critical patent/EP2109517B8/en
Priority to US12/525,527 priority patent/US8424179B2/en
Priority to AT08707448T priority patent/ATE532609T1/en
Publication of WO2008092682A1 publication Critical patent/WO2008092682A1/en
Publication of WO2008092682B1 publication Critical patent/WO2008092682B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • 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
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/091—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers
    • F16L37/0915—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of a ring provided with teeth or fingers with a separate member for releasing the coupling
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/53—Means to assemble or disassemble
    • Y10T29/5367—Coupling to conduit

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Abstract

A tool (20) for a pipe fitting arrangement in which a pipe is retainable arranged within a housing (1) by teeth (13) of a grip ring (12) placed within the housing, the tool comprising: first engagement means for engaging the pipe, said first engagement means having at least one part (12) adapted to enter the housing around the pipe in order to force the teeth of the grip rin out of engagement with the pipe, second engagement means for engaging the first engagement means as well as the housing in order to locate the housing relative to the tool, and a handle connected or connectable with the second engagement means. The first engagement means being connected to the second engagement means via at least one first joint being in form of a pivot (24f) and/or at least one first spring means (38) in order to be at least partly displaceable relative to the second engagement means,- and a method using such a tool.

Claims

AMENDED CLAIMS received by the International Bureau on 11 August 2008 (11.08.08)
1. Tool (20') for a pipe fitting arrangement in which a pipe (50) is retainable arranged within a housing (1, V, V) by teeth (14) of a grip ring (12) placed within the housing (1, 1', 1"), the tool comprising: first engagement means (24', 26') for engaging at least partly around the pipe (50), said first engagement means (24', 26') having at least one part (26') adapted to enter the housing (1, 1', 1") around the pipe (50) in order to force the teeth (14) of the grip ring (12) out of engagement with the pipe (50); second engagement means (34', 36') for engaging the first engagement means (24', 26') as well as the housing (1, 1', 1") in order to locate the housing (1, V, 1") relative to the tool (20'), in particular within the tool; and a handle (30, 30') connected or connectable with the second engagement means (34, 34', 36, 36') and provided with actuation means, with the actuation means (24'fa, 24'fb, 31 'a, 3 l'b) serving to urge the second engagement means (24'fa, 24'fb, 31'a, 31'b) either to engage the housing (1, 1', 1") or disengage the housing (1, 1', 1"), with the first engagement means (24', 26') being inserted into the housing (1, 1', 1") when the second engagement means (34', 36') engages the housing (1, 1', 1") as well as the first engagement means (24', 26') such that insertion of the pipe (50) into the housing (1, V, 1") and removal of the pipe (50) from the housing (1, 1', 1") without the teeth (14) of the grip ring (12) touching the pipe (50) is ensured, wherein the first engagement means comprise a two-part ring (24'), characterised in that each of the two parts of the ring is connected to the second engagement means via a respective pivot (24'fa,24'fb) extending through the second engagement means, such that the first engagement means are at least partly displaceable relative to the second engagement means (34'5 36') along the pivots (24'fa,24'fb).
2. Tool according to claim 1, characterized in that the first engagement means (24', 26') are connected to the second engagement means via at least one first joint comprising one of the pivots (24'fa,24'fb) and at least one first spring means (24'ga, 24'gb), wherein the first spring means (24'ga, 24'gb) is comprised by the actuation means, (24'ga,
24'gb, 31 'a, 3 l'b).
3. Tool according to claim 1 or 2, characterized in that the first engagement means (24', 26') comprises a main body (24'), in particular in form of a ring, having at least one face or shoulder (24'd), adapted to engage the end of the housing (1, 1', 1"), into which the pipe (50) is to be inserted or from which the pipe (50) is to be removed, and a first opening (22') for the pipe (50), said first opening (22') preferably being defined by the face or shoulder (24d') and/or being variable and/or adjustable, most preferably via the actuation means and/or second spring means (24'h), in particular the second spring means and the first spring means being formed together.
4. Tool according to claim 3, characterized in that the main body (24') is deformable, preferably being formed at least partly from elastic or spring material, and/or can be opened, preferably by comprising at least one split (24'a, 24'e), most preferably two opposing splits.
5. Tool according to claim 3 or 4, characterized in that the main body (24') comprises at least one, in particular angled, extension (24'b, 24 'c) next to one split (24 'a), preferably two such extensions one on each side of the split, to facilitate entering of the pipe (50) into the first engagement means (24', 26') through the split (24'a).
6. Tool according to claim 4 or 5, characterized in that the main body (24') is formed by two halves being connected to each other, preferably via a third spring means (24'h), in particular the third spring means and the second spring means being formed together, and/or at least one second joint (24'fa, 24'fb), in particular in form of a pivot, arranged next to a split (24'e), in particular on both sides of the slit (24'e), most preferably the split (24'e) opposite the extension(s) (24'b, 24'c), in particular the second joint being identical to the first joint.
7. Tool according to one of the preceding claims, characterized in that the at least one part (26') of the first engagement means (24', 26') has a tube like form, preferably having at least one split (26'a, 26'b), most preferably two opposing splits, and/or is provided with a chamfer or tapering off towards its free end for facilitating its insertion into the housing (1, 11, 1").
8. Tool according to one of the claims 3 to 7, characterized in that the at least one part (261) of the first engagement means (24', 26') is formed as a projection of the main body (24') surrounding the first opening (22') at least partly.
9. Tool according to one of the preceding claims, characterized in that the second engagement means (34', 36') comprises first holding means (34') for engagement with the housing (1, 1', 1") as well as second holding means (36') for engagement with the first engagement means (24', 26'), the housing (1, V, 1") being preferably locatable between the two holding means (34', 36') and/or the holding means (34', 36') being preferably moveable relative to each other via the actuation means (24'ga, 24'gb, 31'a, 3 Tb), in particular the first spring means (24'ga, 24'gb) being arranged between the two holding means (34', 36').
10. Tool according to claim 9, characterized in that the first holding means (34') comprises a substantially U-shaped first body, preferably in form of a first jaw, and/or the second holding means (36') comprises a substantially U-shaped second body, preferably in form of a second jaw.
11. Tool according to claim 9 or 10, characterized in that the first holding means (34') has a second opening (34'a) for the housing (1, 1', 1") and/or the second holding means (36') has a third opening (36'b) for the pipe (50), the second and/or third opening being preferably variable and/or adjustable, in particular via the actuation means and/or third spring means for facilitating the insertion of the pipe (50) and/or housing (1, 1', 1"), the third spring means most preferably being formed together with the first and/or second spring means.
12. Tool according to claim 11, characterized in that the second opening is provided between two halves of the first holding means being pivotably connected to each other, preferably via at least one third pivot, most preferably being identical to the first joint, and/or the third opening (36b) is provided between two halves of the second holding means being pivotably connected to each other, preferably via at least one fourth joint (24f), most preferably being identical with the third joint.
13. Tool according to one of the claims 2 to 12, characterized in that the first, second and/or third spring means (38) comprise(s) at least one elastic ring, in particular a rubber O-ring, arranged substantially perpendicular to a longitudinal axis of the first, second and/or third opening (22, 34a, 36b), preferably the first spring means being arranged within at least one recess (36a) of the main body (24) and/ the second holding means (36), or the first, second and/or third spring means (24'ga, 24'gb, 24'h) comprise(s) at least one spiral spring.
14. Tool according to one of the claims 9 to 13, characterized in that the first holding means (34') is adapted to engage the housing outer surface between a first internal projection or shoulder or bend (Ic) of the housing (1, Y, 1") for limiting insertion of the pipe (50) into the housing (1, V, 1") and a second internal projection or shoulder (2) or bend of the housing (1, 1', 1") for limiting movement of a sealing ring (10) in the pipe insertion direction or between said second internal projection or shoulder (2) or bend and a third internal projection or shoulder (4) or bend of the housing (1, 1', 1") for limiting movement of the grip ring (12) in the pipe insertion direction and/or limiting movement of the sealing ring (10) in the pipe removal direction.
15. Tool according to one of the claims 9 to 14, characterized in that the first holding means (34') is adapted to engage the housing outer surface next to at least one external shoulder (l'ab, l"aa) or projection and/or within a recess or groove (l"d).
16. Tool according to one of the preceding claims, characterized by further comprising a handle (30), and in that the handle (30) and the actuation means are formed as a pliers' and/or ratchet's handle and actuation means and/or comprise tong grippers (31 'a, 31'b).
17. Tool according to one of the claims 9 to 16, characterized by further comprising a handle (30), and in that the handle (30), preferably in U-shape, is connected to the first and the second holding means, most preferably with one holding means provided at each free end, and/or the handle (30% preferably comprising a pair of tong grippers (31'a, 31'b), is, in particular detachably, connectable with the first and second holding means (34', 36'), preferably via gripper fingers (32'a, 32'b) and/or a snap connection.
18. Tool according to claim 17, characterized in that the free ends of the handle (301) are moveable towards each other and away from each other via the actuating means, preferably by moving a slider bar, in particular within a slot provided in each arm of the U-shaped handle, to the free ends and away therefrom.
19. Tool according to claim 18, characterized in that the slider bar is positioned substantially parallel to the longitudinal axis of the first, second and/or third opening and/or fixable in at least two positions.
20. Tool according to claim 18 or 19, characterized in that the slider bar has at least one recess, preferably four recesses, for the engagement with the handle in order to guide the sliding thereof, said recesses being most preferably variable and/or adjustable in order to adapt the tool to different pipe fitting arrangements.
21. Tool according to claim 18, characterized in that each gripper finger (32'a, 32'b) is provided with a projection (32'e), and the first as well as the second holding means (34', 36') are each provided with a recess (34'c) for such a projection (32'e) in order to allow a snap connection.
22. Method for inserting a pipe into a housing for obtaining a pipe fitting arrangement and for removing the pipe out of the housing of a pipe fitting arrangement by making usage of a tool of one of the preceding claims, the housing having arranged therein a grip ring and a sealing ring in insertion direction, preferably the axial position of the grip ring and the sealing ring being restricted, in particular by internal projections or shoulders or bends of the housing.
23. Method according to claim 22, characterized in that the insertion of the pipe into the housing comprises the following steps:
a) locating the housing within the tool, preferably the tool being in a first open position with the second engagement means, in particular the first holding means thereof, engaging the housing,
b) inserting the first engagement means into the housing thereby forcing the teeth of the grip ring outwardly until the free ends thereof define an inner diameter being larger than the outer diameter of the pipe, preferably by actuating the tool via the actuating means such that the tool comes into a second close position with the first engagement means being engaged by the second engagement means engaging the housing,
c) inserting the pipe into the housing through the first engagement means,
d) removing the first engagement means out of the housing thereby allowing the teeth of the grip ring to engage the pipe, preferably by actuating the tool via the actuating means such that the tool comes into the first open position, and
e) removing the tool from the pipe fitting arrangement.
24. Method according to claim 23, characterized in that step c) comprises that the pipe is inserted until it abuts against the housing, preferably the first projection or shoulder or bend thereof.
25. Method according to one of the claims 22 to 24, characterized in that the removal of the pipe from the housing with the teeth engaging the pipe comprises the following steps:
i) locating the tool around the pipe fitting arrangement, preferably the tool being in its first open position with the second engagement means engaging the housing,
ii) inserting the first engagement means into the housing thereby disengaging the teeth of the grip ring from the pipe by forcing them outwardly until the free ends thereof define an inner diameter larger than the outer diameter of the pipe, preferably by actuating the tool via the actuating means such that the tool comes into its second close position, and
iii) removing the pipe from the pipe fitting arrangement and the first engagement means.
26. Method according to one of the claims 23 to 25, characterized in that step a) and/or step i) comprise(s) that the housing is aligned relative to the tool, preferably the longitudinal axis of the housing being parallel to the longitudinal axis of the first, second and third opening, and the tool is pushed against the housing, preferably perpendicular to said longitudinal axes.
27. Method according to claim 26, characterized in that step i) comprises that the split(s) of the first engagement means is/are opened when pushing the tool against the housing as soon as abutting against the pipe and closed when the first engagement means completely surrounds the pipe, preferably by the second spring means.
28. Method according to one of the claims 23 to 27, characterized in that step b) and/or step ii) comprise(s) that the at least one part of the first engagement means is inserted into the housing until the teeth of the grip ring abut against the housing, preferably the third projection or shoulder or bend thereof.
29. Method according to one of the claim 25 to 28, characterized by the following steps after having removed the pipe from the pipe fitting arrangement:
iv) removing the first engagement means out of the housing, preferably by actuating the tool via the actuating means such that the tool comes into its first open position, and
v) removing the housing from the tool.
30. Method according to one of the claims 25 to 29, characterized in that step b) and/or step ii) comprise(s) that the slider bar is moved towards the holding means to bring the tool in its second close position, and/or step d) and/or step iv) comprise(s) that the slider bar is moved away from the holding means to bring the tool in its first open position.
31. Method according to one of the claims 22 to 30, characterized by assembling the tool prior to insertion of the pipe into the housing or removal of the pipe from the housing, in particular by a snap connection, preferably between the tong grippers and the second engagement means, and/or disassembling the tool after insertion of the pipe into the housing or removal of the pipe from the housing, in particular by a snap connection, preferably between the tong grippers and the second engagement means.
PCT/EP2008/000759 2007-02-01 2008-01-31 Insertion and release tool for pipe fitting arrangement and method using such tool WO2008092682A1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP08707448A EP2109517B8 (en) 2007-02-01 2008-01-31 Insertion and release tool for pipe fitting arrangement and method using such tool
US12/525,527 US8424179B2 (en) 2007-02-01 2008-01-31 Insertion and release tool for pipe fitting arrangement and method using such tool
AT08707448T ATE532609T1 (en) 2007-02-01 2008-01-31 PIPE JOINT ASSEMBLY INSERTION AND RELEASE TOOL AND METHOD OF USING SUCH TOOL

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP07002188 2007-02-01
EP07002188.6 2007-02-01

Publications (2)

Publication Number Publication Date
WO2008092682A1 WO2008092682A1 (en) 2008-08-07
WO2008092682B1 true WO2008092682B1 (en) 2008-10-02

Family

ID=38089147

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/000759 WO2008092682A1 (en) 2007-02-01 2008-01-31 Insertion and release tool for pipe fitting arrangement and method using such tool

Country Status (4)

Country Link
US (1) US8424179B2 (en)
EP (1) EP2109517B8 (en)
AT (1) ATE532609T1 (en)
WO (1) WO2008092682A1 (en)

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Also Published As

Publication number Publication date
US20100088869A1 (en) 2010-04-15
EP2109517B8 (en) 2012-03-21
ATE532609T1 (en) 2011-11-15
WO2008092682A1 (en) 2008-08-07
EP2109517A1 (en) 2009-10-21
EP2109517B1 (en) 2011-11-09
US8424179B2 (en) 2013-04-23

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