Crimp connection with one or more crimping elements

Patent metadata

Field	Value
Publication number	US-10240698-B2
Application number	US-201615284923-A
Country	US
Kind code	B2
Filing date	Oct 4, 2016
Priority date	Feb 17, 2016
Publication date	Mar 26, 2019
Grant date	Mar 26, 2019

Abstract

A crimp connection fitting includes a socket with at least one annular recess axially spaced from an annular O-ring receiving groove. The recess includes a plurality of axially spaced crimping elements such that, when the socket is crimped, it grips a conduit positioned within the socket. The crimping elements preferably are split ring spring clips. In some embodiments, multiple spaced recesses support one or more crimping elements.

First claim

The invention claimed is:

1. A plumbing fitting with a socket for receiving a conduit for coupling to said fitting, said fitting comprising:
an open end defining a socket for receiving a conduit, said socket including an annular groove for receiving a sealing ring;
at least one annular recess spaced from said annular groove;
a crimping element integrally formed in said annular recess and extending radially inwardly toward a conduit inserted into said socket; and
wherein said crimping element divides said annular recess into two sections and a split ring spring clip is positioned in each of said sections.

2. The fitting as defined in claim 1 wherein said crimping element has a generally rectangular cross section.

3. The fitting as defined in claim 2 wherein each of said split ring spring clips have a generally rectangular cross section.

4. The fitting as defined in claim 1 wherein said crimping element is centered in said annular recess and is generally rectangular and has a width less than the width of said annular recess, and further including a split ring spring clip positioned in said annular recess in alignment with said crimping element.

5. The fitting as defined in claim 4 wherein said split ring spring clip is generally rectangular and has a width greater than the width of said crimping element but less than the width of said annular recess.

6. The fitting as defined in claim 1 wherein said crimping element is centered in said annular recess and is generally rectangular and has a width less than the width of said annular recess, and further including a split ring spring clip positioned in said annular recess in alignment with said crimping element, and wherein said split ring spring clip has a generally V-shaped cross section with diverging legs and is positioned with said legs spanning said crimping element.

7. The fitting as defined in claim 1 further including indexing indicia on the outer surface of said fitting which is aligned with said crimping element.

8. A plumbing fitting with a socket for receiving a conduit for coupling to said fitting, said fitting comprising:
an open end defining a socket for receiving a conduit, said socket including an annular groove for receiving a sealing ring;
an annular recess spaced from said annular groove;
a crimping element positioned in said annular recesses and extending radially inwardly; and
wherein said crimping element divides said annular recess into two sections and further including a split ring spring clip, having a width greater than the width of each section of said annular recess, positioned in axial alignment with said crimping element.

9. The fitting as defined in claim 8 wherein said crimping element has a generally rectangular cross section.

10. The fitting as defined in claim 9 wherein each of said split ring spring clips has a generally rectangular cross section.

11. The fitting as defined in claim 8 wherein said crimping element is centered in said annular recesses and is generally rectangular with a width less than the width of said annular recesses, and further including a split ring spring clip positioned in said annular recess in axial alignment with said crimping element.

12. The fitting as defined in claim 11 wherein said split ring spring clip is generally rectangular and has a width greater than the width of said crimping element but less than the width of said annular recess.

13. The fitting as defined in claim 8 wherein said crimping element is centered in said annular recess and is generally rectangular with a width less than the width of said annular recesses, and further including a split ring spring clip positioned in said annular recess in axial alignment with said crimping element, and wherein said split ring spring clip has a generally V-shaped cross section with diverging legs and are positioned with said legs spanning said crimping element.

14. The fitting as defined in claim 8 and further including indexing indicia on the outer surface of said fitting which is aligned with said crimping element.

Assignees

• Nibco

Inventors

• Lawrence Benjamin L
• Bobo David A
• Mason Christopher W
• Yoder Keith W
• Frische-Mouri Paul
• Carey Justin J

Classifications

• F16L13/142 Primary

  with a sealing element inserted into the female part before crimping or rolling · CPC title