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NZ739491B2 - Pipe coupling - Google Patents
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NZ739491B2 - Pipe coupling - Google Patents

Pipe coupling

Info

Publication number
NZ739491B2
NZ739491B2 NZ739491A NZ73949116A NZ739491B2 NZ 739491 B2 NZ739491 B2 NZ 739491B2 NZ 739491 A NZ739491 A NZ 739491A NZ 73949116 A NZ73949116 A NZ 73949116A NZ 739491 B2 NZ739491 B2 NZ 739491B2
Authority
NZ
New Zealand
Prior art keywords
pipe
coupling
section
fitting section
insert
Prior art date
Application number
NZ739491A
Other versions
NZ739491A (en
Inventor
Robert D Ryan
Original Assignee
Robert D Ryan
Filing date
Publication date
Priority claimed from US14/837,808 external-priority patent/US10774964B2/en
Application filed by Robert D Ryan filed Critical Robert D Ryan
Publication of NZ739491A publication Critical patent/NZ739491A/en
Publication of NZ739491B2 publication Critical patent/NZ739491B2/en

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
    • F16L17/00—Joints with packing adapted to sealing by fluid pressure
    • F16L17/02—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket
    • F16L17/04—Joints with packing adapted to sealing by fluid pressure with sealing rings arranged between outer surface of pipe and inner surface of sleeve or socket with longitudinally split or divided sleeve
    • 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
    • F16L21/00—Joints with sleeve or socket
    • F16L21/06—Joints with sleeve or socket with a divided sleeve or ring clamping around the pipe ends
    • 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
    • F16L25/00—Construction or details of pipe joints not provided for in, or of interest apart from, groups F16L13/00 - F16L23/00
    • F16L25/12—Joints for pipes being spaced apart axially
    • 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
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/16—Devices for covering leaks in pipes or hoses, e.g. hose-menders
    • F16L55/168—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe
    • F16L55/17—Devices for covering leaks in pipes or hoses, e.g. hose-menders from outside the pipe by means of rings, bands or sleeves pressed against the outside surface of the pipe or hose
    • 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
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • F16L59/021—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments
    • F16L59/024—Shape or form of insulating materials, with or without coverings integral with the insulating materials comprising a single piece or sleeve, e.g. split sleeves; consisting of two half sleeves; comprising more than two segments consisting of two half sleeves
    • 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
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining

Abstract

pipe coupling for coupling a first pipe to a second pipe wherein a gap exists between a first pipe end and a second pipe end. The pipe coupling includes a tubular insert configured to fit within the gap and match an inside diameter and outside diameter of the pipes, thereby providing a through-butt joint between the insert and the pipes. The pipe coupling also includes a half-tubular first fitting section and a half-tubular second fitting section, wherein the the second fixing section has the same shape as the first fitting section. The pipe coupling is configured to snap-lock and form a tubular shape over the insert, the first pipe end and the second pipe end, such that an exterior surface of each longitudinal receiving end is juxtaposed with an interior surface of the longitudinal locking end. In some embodiments, the insert is integral with the fitting sections. Conventional sleeve couplings tend to be unmovable and made of a rigid composition. The present invention aims to improve watertight sleeve coupling while maintaining the inner profile of the pipe.

Claims (23)

What is claimed is:
1. A coupling for coupling a first pipe with a second pipe, the first pipe and the second pipe each having a pipe inside diameter of a pipe interior e and a pipe outside 5 diameter of a pipe exterior e, wherein a gap exists between a first pipe end and a second pipe end, comprising: a tubular insert with an insert inside diameter of an insert interior surface matching the pipe inside diameter, and an insert outside diameter of an insert exterior surface matching the pipe outside diameter, the tubular insert having a longitudinal length 10 approximately equal to the gap, whereby the insert fits within the gap and generally abuts the first pipe end and the second pipe end; a first fitting section in a generally half-tubular shape and having a longitudinal section length, a locking longitudinal end having a g shape, and an opposite receiving longitudinal end having a receiving shaped, wherein the locking shape is different from the 15 receiving shape, wherein the receiving longitudinal end is configured to couple to a g element having the same shape as the locking shape and the locking longitudinal end is configured to couple to a receiving element having the same shape as the receiving shape; a second fitting n having the same shape as the first fitting section, whereby the first fitting section and the second fitting section are the same shape, the second 20 fitting section configured to couple to the first fitting section by the receiving longitudinal end of the first fitting section receiving the g longitudinal end of the second fitting section and the receiving longitudinal end of the second fitting section receiving the locking longitudinal end of the first fitting section, whereby a tubular section is formed with each longitudinal locking end overlapping the corresponding longitudinal ing end such that 25 an exterior surface of each longitudinal receiving end is juxtaposed with an interior surface of the longitudinal locking end, the tubular section having an inside diameter generally equal to the pipe e diameter, wherein the longitudinal length is greater than the gap, y when the first pipe is coupled to the second pipe by g the insert within the gap such that the insert exterior surface aligns with the first pipe exterior surface and the second pipe 30 or surface, and the first fitting section and the second fitting section are coupled together over the insert, the insert, the first pipe end, and the second pipe end are enveloped by the tubular section formed by coupling the first fitting section to the second fitting section.
2. The ng of claim 1, wherein ng of the first fitting section to the second fitting section is a snap-lock coupling. 5
3. The coupling of claim 2, wherein the snap-lock coupling includes a tooth on the locking longitudinal end of each g section received by a notch on the ponding receiving longitudinal end of each fitting section.
4. The coupling of claim 1, wherein a waterproof seal is provided between the insert and the first pipe end, and between the insert and the second pipe end. 10
5. The coupling of claim 4, wherein the waterproof seal is a waterproof adhesive d between the insert and the first pipe, and between the insert and the second pipe.
6. The ng of claim 1, wherein the longitudinal section length is equal to the gap plus an overlap dimension added to each end of the gap.
7. The coupling of claim 1, wherein coupling of the first fitting section and the 15 second fitting section to the first pipe and the second pipe further includes an adhesive at locations where pipe exterior surfaces are enveloped by the fitting sections.
8. The coupling of claim 1, wherein the first fitting section, the second fitting section, and the insert are a material ed from the group consisting of PVC, CPVC, and 20 ABS.
9. The coupling of claim 1, wherein the first pipe and the second pipe are comprised of a pipe material, and n the insert is comprised of the pipe material.
10. The coupling of claim 10, wherein the first g section and the second fitting section are comprised of the pipe material. 25
11. The coupling of claim 1, wherein a butt joint is formed between the insert and the first pipe end and between the insert and the second pipe end.
12. The coupling of claim 1, wherein the first pipe and the second pipe are selected from the group consisting of a sewer line, a plumbing drain pipe, a vent pipe, and an electrical t.
13. A coupling for coupling a first pipe with a second pipe, the first pipe and the 5 second pipe each having a pipe inside radius of a pipe or surface and a pipe outside radius of a pipe exterior surface, wherein a gap exists between a first pipe end and a second pipe end, sing: a first fitting section in a generally half-tubular shape and having: a longitudinal section , 10 a wall thickness, an outside radius, an inside radius generally ng the pipe outside radius, where the wall thickness is the difference between the e radius and the inside radius, a locking longitudinal end having a locking shape, wherein the locking 15 shape has an interior surface and an exterior surface having an outer fitting flange radius greater than the outside radius, and an opposite receiving udinal end having an interior surface having the inside radius, having an exterior surface, and having a receiving shape, n the locking shape is different from the receiving shape, wherein the receiving longitudinal end is 20 configured to couple to a locking element having the same shape as the locking shape and the locking longitudinal end is configured to couple to a receiving element having the same shape as the receiving shape, the first g section including a middle portion with a middle portion thickness greater than the wall thickness, the middle portion thickness having a middle portion inside radius generally matching the pipe inside radius; and 25 a second fitting section having the same shape as the first fitting section, whereby the first fitting section and the second fitting section are the same shape, the second fitting section configured to couple to the first fitting section by the receiving udinal end of the first g section receiving the locking longitudinal end of the second fitting section and the receiving longitudinal end of the second fitting section receiving the locking longitudinal end of the first fitting section, whereby a tubular section is formed with each longitudinal locking end overlapping the corresponding longitudinal receiving end such that the exterior surface of each longitudinal receiving end is juxtaposed with the interior surface 5 of the longitudinal locking end, wherein the longitudinal section length is greater than the gap, whereby the first fitting n and the second fitting section are coupled together over the first pipe and the second pipe, the middle portions fit within the gap and the first pipe and the second pipe end are enveloped by the tubular section formed by coupling the first fitting section to the second fitting section. 10
14. The coupling of claim 13, wherein the coupling of the first fitting section to the second fitting section is a snap-lock coupling.
15. The coupling of claim 14, wherein the snap-lock coupling includes a tooth on the interior surface of the locking udinal end of each fitting section received by a notch on the or surface of the corresponding opposite receiving udinal end of each 15 fitting section.
16. The coupling of claim 13, wherein a waterproof seal is provided n the middle portion and the first pipe end, and n the middle portion and the second pipe
17. The coupling of claim 13, wherein the udinal section length is equal to 20 the gap plus an overlap dimension added to each end of the gap.
18. The coupling of claim 13, wherein the first fitting n and the second fitting section are a material selected from the group consisting of PVC, CPVC, and ABS.
19. The coupling of claim 13, n the first pipe and the second pipe are comprised of a pipe material, and wherein the first fitting section and the second fitting 25 section are comprised of the pipe material.
20. The coupling of claim 14, n the first pipe and the second pipe are selected from the group consisting of a sewer line, a plumbing drain pipe, a vent pipe, and an electrical conduit.
21. A method for coupling a first pipe with a second pipe, the first pipe and the second pipe each having a pipe inside diameter of a pipe interior e and a pipe outside diameter of a pipe exterior surface, wherein a gap exists n a first pipe end and a second pipe end, comprising: 5 fitting a tubular insert within the gap, wherein an insert inside diameter of an insert interior e matches the pipe inside diameter, and an insert outside diameter of an insert exterior surface matches the pipe outside diameter, the r insert having a udinal length approximately equal to the gap, wherein the tubular insert fitting within the gap further comprises the insert exterior surface aligning with the first pipe exterior 10 surface and insert interior surface aligning with the second pipe exterior surface and the tubular insert generally abutting the first pipe end and the second pipe end; and providing a first fitting section having a generally half-tubular shape and having a longitudinal n length greater than the gap, a locking udinal end having a locking shape, and an opposite receiving longitudinal end having a receiving shape, wherein the 15 locking shape is different from the receiving shape, wherein the receiving udinal end is configured to couple to a locking element having the same shape as the locking shape and the locking longitudinal end is configured to couple to a receiving element having the same shape as the receiving shape; ing a second fitting section having the same shape as the first fitting 20 section, whereby the first fitting section and the second fitting section are the same shape; coupling the first fitting section to the second g section over the tubular insert, the coupling comprising the receiving udinal end of the first fitting section ing the locking longitudinal end of the second fitting section and the receiving longitudinal end of the second fitting section receiving the locking longitudinal end of the 25 first fitting n, whereby a tubular section is formed with each longitudinal locking end overlapping the ponding longitudinal receiving end such that an exterior surface of each longitudinal receiving end is juxtaposed with an interior surface of the longitudinal locking end, the tubular section thus formed having an inside diameter generally equal to the pipe outside diameter, whereby the tubular insert, the first pipe end and the second pipe end 30 are enveloped by the tubular section.
22. A coupling for coupling a first pipe with a second pipe, substantially as herein described in the DETAILED DESCRIPTION and with or without reference to the accompanying drawings.
23. A method for coupling a first pipe with a second pipe, substantially as herein 5 described in the DETAILED PTION and with or without reference to the accompanying drawings.
NZ739491A 2016-08-19 Pipe coupling NZ739491B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/837,808 US10774964B2 (en) 2015-08-27 2015-08-27 Pipe coupling
PCT/US2016/047797 WO2017034989A1 (en) 2015-08-27 2016-08-19 Pipe coupling

Publications (2)

Publication Number Publication Date
NZ739491A NZ739491A (en) 2025-08-29
NZ739491B2 true NZ739491B2 (en) 2025-12-02

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