WO2004113777A2 - Pipe joint and snap ring for thereof - Google Patents

Pipe joint and snap ring for thereof Download PDF

Info

Publication number
WO2004113777A2
WO2004113777A2 PCT/KR2004/001561 KR2004001561W WO2004113777A2 WO 2004113777 A2 WO2004113777 A2 WO 2004113777A2 KR 2004001561 W KR2004001561 W KR 2004001561W WO 2004113777 A2 WO2004113777 A2 WO 2004113777A2
Authority
WO
WIPO (PCT)
Prior art keywords
pipe
pipe joint
snap ring
bending portions
bent
Prior art date
Application number
PCT/KR2004/001561
Other languages
French (fr)
Other versions
WO2004113777A3 (en
Inventor
Jong Seok Park
Original Assignee
Jong Seok Park
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 Jong Seok Park filed Critical Jong Seok Park
Publication of WO2004113777A2 publication Critical patent/WO2004113777A2/en
Publication of WO2004113777A3 publication Critical patent/WO2004113777A3/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
    • 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

Definitions

  • the present invention relates to a pipe joint for connecting a plastic pipe for supplying hot water or city water for cold and heated room. More particularly, the present invention relates to a pipe joint that can be inserted in the one touch mode and be used without using additional tool, and allowing a pipe to be easily separated from a pipe joint body and repetitive separation and coupling.
  • a pipe joint more particularly, an one touch pipe joint that can be coupled by pushing a pipe includes a snap ring.
  • the snap ring is usually made of stainless steel. It has a ring shape so that it can be inserted into the pipe joint.
  • a plurality of hanging protrusions that are disposed radially and bent in the direction where
  • the hanging protrusions generate a wedge action to prevent the pipe from being pulled out.
  • a packing for maintaining watertight between the pipe and the pipe joint is inserted within and outside the snap ring in the pipe joint.
  • a cap be released from the pipe joint body when an additional screw type cap is provided, and the snap ring and the packing within the pipe joint is separated from the pipe.
  • the snap ring is inserted into the pipe, it cannot be separated.
  • an additional screw type cap is not provided and in case of a one touch pipe joint wherein both ends of the pipe joint are inner-bent, it is impossible to separate the pipe and the pipe joint without cutting the pipe.
  • the present invention has been made in view of the above problems, and it is an object of the present invention to provide a pipe joint wherein a pipe is inserted into the pipe joint by pushing in the pipe without additional component except for a snap ring and a packing. Whereby watertight is possible and the pipe can be
  • a pipe joint having a pipe joint body into which a pipe is inserted, a snap ring disposed within the body wherein hanging protrusion that engage the pipe, and a packing for maintaining watertight between the pipe and the body, hanging protrusions of the snap ring, wherein the protrusions include first bending portions that
  • Fig. 1 is a dismantled perspective view of a pipe joint according to an embodiment of the present invention
  • Fig. 2 is a coupled cross-sectional view of the pipe joint shown in Fig. 1;
  • Fig. 3 shows a state where a pipe is inserted into the pipe joint according to the present invention
  • Fig. 4 is a perspective view of a snap ring disposed within the
  • Fig. 5 is a cross-sectional view of the snap ring shown in Fig. 4;
  • Fig. 6 shows a state where the pipe is separated from the pipe
  • Fig. 7 is a cross-sectional view of a pipe joint according to another embodiment of the present invention.
  • a pipe joint according to the present invention may have a
  • the packing may be different.
  • the snap ring is disposed within the packing in order to maintain watertight at the
  • a material of a pipe joint body may be a metal (brass), synthetic resin or the like depending on the use of the pipe joint, i.e.,- the use of pipe arrangement.
  • the inlet portion is fabricated to be a non-separating type that is inner-bent by a forging process, as in an embodiment of Fig. 1 to Fig. 5. Also, the inlet portion is
  • Fig. 1 is a dismantled perspective view of a pipe joint according to an embodiment of the present invention.
  • Fig. 2 is a coupled cross-sectional view of the pipe joint shown in Fig. 1.
  • Fig. 3 shows a state where a pipe is inserted into the pipe joint according to the present invention.
  • Fig. 4 is a perspective view of a snap ring
  • Fig. 5 is a cross-sectional view of the snap ring shown in Fig. 4.
  • the pipe joint according to the present invention includes a pipe joint body 20 into which a pipe 10 is inserted, a snap ring 30 disposed within the body 20 wherein hanging protrusions 32 that engage the pipe 10, and a packing 40 for maintaining watertight between the pipe 10 and the body 20.
  • hanging protrusions 32 of the snap ring 30 include first bending portions 32a that are bent toward the inside of the body 20, and second bending portions 32b that are extended from the first bending portions 32a wherein the front ends of the second bending portions 32b are bent in the spiral direction with it inclined at a
  • the pipe joint may include the pipe joint body 20, the snap ring 30, the packing 40, the snap ring 30 and the assistant ring 50 for preventing fluctuation.
  • the pipe joint body 20 the pipe joint body 20
  • the snap ring 30 the packing 40
  • the snap ring 30 the assistant ring 50 for preventing fluctuation.
  • the hanging protrusions 32 are formed radially in plural within the snap ring 30. All of the hanging protrusions 32 have the
  • the second bending portions 32b that are inclined at a given angle in the spiral direction against a virtual axis that passes through the center of the snap ring 30 are formed at the ends of the first bending portions 32a.
  • the front end portions 32c of the second bending portions 32b face the outer circumference of the pipe 10.
  • the snap ring 30 has a plate shape such as stainless steel.
  • a circular circumference of the snap ring 30, the first bending portions 32a, the second bending portions 32b, and the front end portions 32c of the second bending portions 32b generate a tension action that shrinks inwardly, thus fastening the exterior of
  • a pitch angle of the front end portions 32c of the second bending portions 32b is about 30 ° .
  • the pipe 10 is closely adhered to the front end portions 32c of the second bending portions 32b of the snap ring 30.
  • the pipe can be easily inserted into the pipe joint if a tilt angle of the first bending portions 32a is widened outwardly.
  • a wedge action occurs as the hanging protrusions 32 gathers together by means of the tilt angle inclined toward the inside of the first bending portions 32a, preventing the pipe from being deviated.
  • a concave or convex ant i-rotational element 34 for preventing the snap ring 30 from rotating together with the pipe is formed outside the snap ring 30.
  • convex or concave ant i-rota ional element 24 that receives the anti- rotational element 34 or that will be received in the anti-rotational
  • Fig. 6 shows a state where the pipe is separated from the pipe joint while the pipe is turned.
  • the pipe coupled to the pipe joint body is not separated. It is thus possible to maintain a stable pipe laying state. If pipe arrangement is to be replaced, the pipe can be separated from the pipe joint body by rotating the pipe against
  • the pipe joint body using the hands or a pipe wrench.
  • a snap ring and a packing within the pipe joint body are not deformed. Therefore, the pipe joint can be used repeatedly by inserting a new pipe.
  • Fig. 7 is a cross-sect i'onal view of a pipe joint according to another embodiment of the present invention.
  • the snap ring 30 according to the present invention is provided in a known separating pipe joint body 20 having a screw cap 22.
  • the pipe can be separated from the pipe joint body in a rotary mode.
  • hanging protrusions of a snap ring disposed within an one touch pipe joint includes first bending portions inclined toward the inside of a pipe joint body and second bending portions having a tilt angle.
  • the present invention has an effect that a pipe can be easily replaced since a pipe can be easily separated from an one touch pipe joint without an additional component .

Landscapes

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

Abstract

The present invention relates to a pipe joint and a snap ring for the pipe joint. Hanging protrusions (32) include first bending portions (32a) wherein the hanging protrusions (32) of the snap ring (30) are bent inwardly, and second bending portions (32b) wherein the ends of the first bending portions (32a) are bent in the spiral direction with it inclined at a given angle. If the second bending portions are adhered to the pipe (10) inserted into the pipe joint body (20), the pipe is not pulled out from the pipe joint body (20) by means of a single drawing force and can be separated from the pipe joint body according to a spiral principle in the second bending portion wherein the pipes are formed spirally by rotating the pipe.

Description

PIPE JOINT AND SNAP RING FOR THEREOF
Technical Field
The present invention relates to a pipe joint for connecting a plastic pipe for supplying hot water or city water for cold and heated room. More particularly, the present invention relates to a pipe joint that can be inserted in the one touch mode and be used without using additional tool, and allowing a pipe to be easily separated from a pipe joint body and repetitive separation and coupling.
Background Art
A pipe joint, more particularly, an one touch pipe joint that can be coupled by pushing a pipe includes a snap ring. The snap ring is usually made of stainless steel. It has a ring shape so that it can be inserted into the pipe joint. A plurality of hanging protrusions that are disposed radially and bent in the direction where
the pipe is inserted are formed within the ring.
Thus, if the pipe is inserted, the surface of the pipe bends the hanging protrusions of the snap ring inwardly. If the pipe is pulled,
the hanging protrusions generate a wedge action to prevent the pipe from being pulled out. A packing for maintaining watertight between the pipe and the pipe joint is inserted within and outside the snap ring in the pipe joint. Meanwhile, in the aforementioned conventional touch pipe joint, if the pipe is separated from the pipe joint, a cap be released from the pipe joint body when an additional screw type cap is provided, and the snap ring and the packing within the pipe joint is separated from the pipe. However, once the snap ring is inserted into the pipe, it cannot be separated. Thus, there is a problem that the pipe has to be cut. Furthermore, if an additional screw type cap is not provided and in case of a one touch pipe joint wherein both ends of the pipe joint are inner-bent, it is impossible to separate the pipe and the pipe joint without cutting the pipe.
In order to overcome the above problem, there was proposed an one touch pipe joint having a release hole for widening the snap ring
from the outside. In case of a pipe joint having the release hole, a release hole and an assistant ring for preventing deviation of the release hole have to be inserted into the pipe joint additionally. Thus, there is a problem that manufacturing cost of a product
increases. Furthermore, if the release hole is erroneously handled, there is problem that the pipe is taken off from the pipe joint.
Disclosure of Invention
Accordingly, the present invention has been made in view of the above problems, and it is an object of the present invention to provide a pipe joint wherein a pipe is inserted into the pipe joint by pushing in the pipe without additional component except for a snap ring and a packing. Whereby watertight is possible and the pipe can be
easily separated from the pipe joint, if needed.
To achieve the above objects, according to the present invention, there is provided a pipe joint having a pipe joint body into which a pipe is inserted, a snap ring disposed within the body wherein hanging protrusion that engage the pipe, and a packing for maintaining watertight between the pipe and the body, hanging protrusions of the snap ring, wherein the protrusions include first bending portions that
are bent toward the inside of the body, and second bending portions that are extended from the first bending portions wherein the front ends of the second bending portions are bent in the spiral "direction with it inclined at a given angle.
Brief Description of Drawings
Further objects and advantages of the invention can be more fully understood from the following detailed description taken in conjunction with the accompanying drawings in which:
Fig. 1 is a dismantled perspective view of a pipe joint according to an embodiment of the present invention;
Fig. 2 is a coupled cross-sectional view of the pipe joint shown in Fig. 1;
Fig. 3 shows a state where a pipe is inserted into the pipe joint according to the present invention;
Fig. 4 is a perspective view of a snap ring disposed within the
pipe joint according to the present invention;
Fig. 5 is a cross-sectional view of the snap ring shown in Fig. 4;
Fig. 6 shows a state where the pipe is separated from the pipe
joint while the pipe is turned; and
Fig. 7 is a cross-sectional view of a pipe joint according to another embodiment of the present invention.
Best Mode for Carrying Out the Invention
The present invention will now be described in detail in connection with preferred embodiments with reference to the accompanying drawings. A pipe joint according to the present invention may have a
straight shape, an elbow shape, a T shape and a crisscross shape. Only the pipe joint of the straight type will be described in the fol lowing embodiment .
In the pipe joint, an insertion location of a snap ring and a
packing may be different. In the present invention, the snap ring is disposed within the packing in order to maintain watertight at the
outside. The snap ring is disposed outside the packing in order to maintain watertight at the inside. A material of a pipe joint body may be a metal (brass), synthetic resin or the like depending on the use of the pipe joint, i.e.,- the use of pipe arrangement.
In the pipe joint, after the snap ring and the packing are inserted into the pipe joint body, the inlet portion is fabricated to be a non-separating type that is inner-bent by a forging process, as in an embodiment of Fig. 1 to Fig. 5. Also, the inlet portion is
fabricated to be a screw type cap as in an embodiment to be described later. By replacing an existing one touch pipe joint with only the snap ring of the present invention, the same function and effect as the present invention can be obtained.
Fig. 1 is a dismantled perspective view of a pipe joint according to an embodiment of the present invention. Fig. 2 is a coupled cross-sectional view of the pipe joint shown in Fig. 1. Fig. 3 shows a state where a pipe is inserted into the pipe joint according to the present invention. Fig. 4 is a perspective view of a snap ring
disposed within the pipe joint according to the present invention. Fig. 5 is a cross-sectional view of the snap ring shown in Fig. 4.
Referring to Figs. 1 to 5, the pipe joint according to the present invention includes a pipe joint body 20 into which a pipe 10 is inserted, a snap ring 30 disposed within the body 20 wherein hanging protrusions 32 that engage the pipe 10, and a packing 40 for maintaining watertight between the pipe 10 and the body 20. In the above, hanging protrusions 32 of the snap ring 30 include first bending portions 32a that are bent toward the inside of the body 20, and second bending portions 32b that are extended from the first bending portions 32a wherein the front ends of the second bending portions 32b are bent in the spiral direction with it inclined at a
given angle.
In an embodiment, the pipe joint may include the pipe joint body 20, the snap ring 30, the packing 40, the snap ring 30 and the assistant ring 50 for preventing fluctuation. In this case,
additional components need not to be added compared to an existing one touch pipe joint. Thus, there are no problems such as .increased manufacturing cost and difficulty of production. Only the shape of the snap ring 30 is bent differently. It is thus possible to insert the pipe by pressing and to easily separate the pipe from the pipe joint, if necessary. Therefore, the effectiveness is high in actual use.
The snap ring will not be described in detail. As shown in Figs. 4 and 5, the hanging protrusions 32 are formed radially in plural within the snap ring 30. All of the hanging protrusions 32 have the
first bending portions 32a that are firstly bent toward the inside of
the pipe joint body 20. The second bending portions 32b that are inclined at a given angle in the spiral direction against a virtual axis that passes through the center of the snap ring 30 are formed at the ends of the first bending portions 32a. Thus, the front end portions 32c of the second bending portions 32b face the outer circumference of the pipe 10. The snap ring 30 has a plate shape such as stainless steel. A circular circumference of the snap ring 30, the first bending portions 32a, the second bending portions 32b, and the front end portions 32c of the second bending portions 32b generate a tension action that shrinks inwardly, thus fastening the exterior of
the pipe 10.
In the present invention, it is preferred that a pitch angle of the front end portions 32c of the second bending portions 32b is about 30° .
Accordingly, the pipe 10 is closely adhered to the front end portions 32c of the second bending portions 32b of the snap ring 30. Thus, the pipe can be easily inserted into the pipe joint if a tilt angle of the first bending portions 32a is widened outwardly. Also, if the pipe is pulled outwardly from the pipe joint, a wedge action occurs as the hanging protrusions 32 gathers together by means of the tilt angle inclined toward the inside of the first bending portions 32a, preventing the pipe from being deviated.
Meanwhile, if the snap ring 30 is inserted into the pipe joint body 20 and is to be separated by rotating the pipe 10, a concave or convex ant i-rotational element 34 for preventing the snap ring 30 from rotating together with the pipe is formed outside the snap ring 30. A
convex or concave ant i-rota ional element 24 that receives the anti- rotational element 34 or that will be received in the anti-rotational
element is also formed within the pipe joint body 20.
In the snap ring of the present invention, in case where the
pipe is to be pulled out from the pipe joint, if the pipe is rotated in one direction along the spiral direction of the second bending portions 32b, the front end portions 32c of the second bending portions 32b of the hanging protrusions 32 that touches the surface of the pipe serve as the crest of a fixed thread. Therefore, the pipe 10 is pulled out as it forms some spiral grooves (scratch mark) on the pipe in the spiral direction.
Fig. 6 shows a state where the pipe is separated from the pipe joint while the pipe is turned.
Referring to Fig. 6, if the pipe 10 is rotated in one direction (in the anti-clockwise direction in the drawing), the pipe 10 moves back against the pipe joint body 20 as spiral grooves are formed in the pipe 10, against a tilt angle (pitch angle) formed by the front end portions 32c of the second bending portions 32b of the snap ring 30 that is inserted into the pipe joint body 20. As a result, the pipe 10 is pulled out from the pipe joint body 20. It is possible to control the speed that the pipe 10 is pulled out from the pipe joint body 20 by means of rotation of the pipe 10 depending on the tilt angle formed by the front end portions 32c of the second bending portions 32b of the snap ring 30. Even if pressure occurs within the pipe, a rotary force is not
generated in the pipe itself. Thus, the pipe coupled to the pipe joint body is not separated. It is thus possible to maintain a stable pipe laying state. If pipe arrangement is to be replaced, the pipe can be separated from the pipe joint body by rotating the pipe against
the pipe joint body using the hands or a pipe wrench. A snap ring and a packing within the pipe joint body are not deformed. Therefore, the pipe joint can be used repeatedly by inserting a new pipe.
Fig. 7 is a cross-sect i'onal view of a pipe joint according to another embodiment of the present invention. Referring to Fig. 7, the snap ring 30 according to the present invention is provided in a known separating pipe joint body 20 having a screw cap 22. Thus, the pipe can be separated from the pipe joint body in a rotary mode.
Industrial Applicability
According to the present invention, hanging protrusions of a snap ring disposed within an one touch pipe joint includes first bending portions inclined toward the inside of a pipe joint body and second bending portions having a tilt angle. Thus, if a pipe is
connected to the pipe joint body, it can be inserted into the pipe joint body by pushing the pipe in. Also, in case where the pipe is separated from the pipe joint, if the pipe is rotated in one direction, the pipe and the second bending portion of the snap ring are separated according to the screw principle. Thus, the pipe can be easily separated from the pipe joint. Therefore, the present invention has an effect that a pipe can be easily replaced since a pipe can be easily separated from an one touch pipe joint without an additional component .

Claims

What Is Claimed Is:
1. A pipe joint having a pipe joint body 20 into which a pipe 10 is inserted, a snap ring 30 disposed within the body wherein hanging protrusion that engage the pipe, and a packing 40 for maintaining watertight between the pipe and the body, comprising: hanging protrusions 32 of the snap ring, wherein the protrusions include first bending portions 32a that are bent toward the inside of the body 20, and second bending portions 32b that are extended from the first bending portions 32a wherein the front ends of the second bending portions 32b are bent in the spiral direction with it inclined at a given angle.
2. The pipe joint as claimed in claim 1, further comprising an ant i-rotational element 34 for preventing the snap ring 30 from being rotated by means of rotation of the pipe 10 outside the snap ring 30.
3. The pipe joint as claimed in claim 1, wherein a pitch angle
of the front end portions 32c of the second bending portions 32b is about 30° .
4. The pipe joint as claimed in claim 1, wherein the pipe joint body 20 has a detachable screw cap 22.
5. The pipe joint as claimed in claim 1, wherein the pipe joint body 20 is a non-separating type whose inlet is inner-bent.
6. A snap ring inserted into a pipe joint wherein hanging protrusions 32 for engaging a pipe, wherein the hanging protrusions 32 include first bending
portions 32a that are bent toward the inside of the body 20, and second bending portions 32b that are extended from the first bending
portions 32a wherein the front ends of the second bending portions 32b are bent in the spiral direction with it inclined at a given angle.
7. The pipe joint as claimed in claim 6, further comprising an ant i-rotational element 34 for preventing the snap ring 30 from being rotated by means of rotation of the pipe 10 outside the snap ring 30.
8. The pipe joint as claimed in claim 6 or 7, wherein the snap ring has a steel plate shape that serves as a tension action wherein a circular edge of the snap ring, the first bending portions 32a, the second bending portions 32b and front end portions 32c integrally inwardly shrink.
PCT/KR2004/001561 2003-06-26 2004-06-26 Pipe joint and snap ring for thereof WO2004113777A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020030041877A KR100413647B1 (en) 2003-06-26 2003-06-26 Pipe joint and snap ring for pipe joint
KR10-2003-0041877 2003-06-26

Publications (2)

Publication Number Publication Date
WO2004113777A2 true WO2004113777A2 (en) 2004-12-29
WO2004113777A3 WO2004113777A3 (en) 2008-03-13

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Application Number Title Priority Date Filing Date
PCT/KR2004/001561 WO2004113777A2 (en) 2003-06-26 2004-06-26 Pipe joint and snap ring for thereof

Country Status (2)

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WO (1) WO2004113777A2 (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006077223A1 (en) * 2005-01-18 2006-07-27 Voss Automotive Gmbh Connecting device for media pipes
NL1029412C2 (en) * 2005-07-03 2007-01-08 Widee Bv Coupling between two bodies.
WO2007004859A1 (en) * 2005-07-03 2007-01-11 Widee B.V. Coupling between two bodies
JP2009500577A (en) * 2005-07-03 2009-01-08 ウィデー・ベスローテン・フェンノートシャップ Two pipe fittings
WO2014160680A1 (en) * 2013-03-28 2014-10-02 Uop Llc Apparatus for a radial-flow reactor and method for assembly thereof
US20140290062A1 (en) * 2013-03-28 2014-10-02 Uop Llc Apparatus for a Radial-Flow Reactor and Method for Assembly Thereof
WO2015026589A1 (en) * 2013-08-22 2015-02-26 Uop Llc Radial flow process and apparatus
US9050571B2 (en) 2013-03-28 2015-06-09 Uop Llc Apparatus for a radial-flow reactor and method for assembly thereof
US9120111B2 (en) 2012-02-24 2015-09-01 Rain Bird Corporation Arc adjustable rotary sprinkler having full-circle operation and automatic matched precipitation
US9156043B2 (en) 2012-07-13 2015-10-13 Rain Bird Corporation Arc adjustable rotary sprinkler with automatic matched precipitation
US9574697B1 (en) 2012-02-21 2017-02-21 Chris Wisehart Pipe machining apparatuses and methods
US9611958B1 (en) 2007-01-05 2017-04-04 Zurn Industries, Llc Combination mechanical/fusion pipe fitting with push connect coupling arrangement

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100798644B1 (en) 2006-11-06 2008-01-28 주식회사 하이스텐 Pipe End Connections Using Grabbing
KR200450503Y1 (en) 2008-05-26 2010-10-07 주식회사 범천정밀 Grip ring for connecting pipe
KR200448829Y1 (en) * 2009-10-12 2010-05-26 주식회사 유창산업 Pipe for water supply and drainage

Citations (1)

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Publication number Priority date Publication date Assignee Title
JP2000046282A (en) * 1998-07-24 2000-02-18 Onda Seisakusho:Kk Lock ring and manufacture thereof

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Publication number Priority date Publication date Assignee Title
JP3415295B2 (en) * 1994-11-18 2003-06-09 株式会社ブリヂストン Pipe fittings

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000046282A (en) * 1998-07-24 2000-02-18 Onda Seisakusho:Kk Lock ring and manufacture thereof

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006077223A1 (en) * 2005-01-18 2006-07-27 Voss Automotive Gmbh Connecting device for media pipes
NL1029412C2 (en) * 2005-07-03 2007-01-08 Widee Bv Coupling between two bodies.
WO2007004859A1 (en) * 2005-07-03 2007-01-11 Widee B.V. Coupling between two bodies
WO2007004880A3 (en) * 2005-07-03 2007-05-18 Widee Bv Coupling between two bodies
JP2009500577A (en) * 2005-07-03 2009-01-08 ウィデー・ベスローテン・フェンノートシャップ Two pipe fittings
US8033578B2 (en) 2005-07-03 2011-10-11 Widee B.V. Coupling between two bodies
US9611958B1 (en) 2007-01-05 2017-04-04 Zurn Industries, Llc Combination mechanical/fusion pipe fitting with push connect coupling arrangement
US9574697B1 (en) 2012-02-21 2017-02-21 Chris Wisehart Pipe machining apparatuses and methods
US9120111B2 (en) 2012-02-24 2015-09-01 Rain Bird Corporation Arc adjustable rotary sprinkler having full-circle operation and automatic matched precipitation
US9156043B2 (en) 2012-07-13 2015-10-13 Rain Bird Corporation Arc adjustable rotary sprinkler with automatic matched precipitation
WO2014160680A1 (en) * 2013-03-28 2014-10-02 Uop Llc Apparatus for a radial-flow reactor and method for assembly thereof
US9050571B2 (en) 2013-03-28 2015-06-09 Uop Llc Apparatus for a radial-flow reactor and method for assembly thereof
US20140290062A1 (en) * 2013-03-28 2014-10-02 Uop Llc Apparatus for a Radial-Flow Reactor and Method for Assembly Thereof
WO2015026589A1 (en) * 2013-08-22 2015-02-26 Uop Llc Radial flow process and apparatus

Also Published As

Publication number Publication date
WO2004113777A3 (en) 2008-03-13
KR100413647B1 (en) 2004-01-03

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