US4344461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe part with socket provided with longitudinally extending channels
Assignee: Wavin BV
•
Filing: 1979-12-28
•
Granted: 1982-08-17
•
Expires: 1999-12-28
Abstract
Abstract Pipe part with socket being provided with longitudinally extending channels, said channels also extending in the wall of the socket, said socket being provided with an annular groove, formed by sealingly pressing the walls of the channels onto each other, the socket further engaging a J-shaped retaining ring forming with the socket a recess for retaining the flange of a sealing means, comprising a sealing sleeve.
Inventors
- 👤 Joannes H. Beune
- 👤 Roelof H. Marissen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:06
CPC Classifications
F; F16; F16L; F16L47/00; F16L47/06; F16L47/08; F16L47/10; B; B29; B29C; B29C57/00; B29C57/02
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
63 words
A pipe part comprising a socket, the wall of said pipe part being provided with longitudinally extending channels, said channels extending into the wall of the socket, said socket being provided with an annular recess located at a distance from a free end of the socket and obtained by radially pressing the walls of the channels towards each other over a certain distance.
Claim 2
Dependent Claim
63 words
A pipe part comprising a socket, the wall of said pipe part being provided with longitudinally extending channels, said channels extending into the wall of the socket, said socket being provided with an annular recess located at a distance from a free end of the socket and obtained by radially pressing the walls of the channels towards each other over a certain distance.
Claim 3
Dependent Claim
24 words
A pipe part according to claim 1, in which the socket is provided with an internal annular groove chamber for receiving a sealing member.
Claim 4
Dependent Claim
24 words
A pipe part according to claim 2, in which the inner diameter of the groove chamber substantially equals the outer diameter of the socket.
Claim 5
Dependent Claim
34 words
A pipe part according to claim 1, wherein said annular recess is external and engages a J-shaped retaining ring which forms with the free end of the socket an annular end groove chamber .
Claim 6
Dependent Claim
33 words
A pipe part according to claim 4, in which the retaining ring is fixedly secured onto the socket by sliding said retaining ring over an external chamfer of the annular end groove chamber.
Claim 7
Dependent Claim
24 words
The pipe part according to claim 1, wherein the annular recess is external and includes external chamfer means for closing ends of the channels.
Claim 8
Dependent Claim
27 words
A pipe part according to claim 1, wherein the annular recess is obtained by radially pressing the inner walls of the channels toward the outer walls thereof.
Claim 9
Dependent Claim
27 words
A pipe part according to claim 1, wherein the annular recess is obtained by radially pressing the outer walls of the channels toward the inner walls thereof.
Claim 10
Dependent Claim
82 words
A pipe part comprising a socket, the wall of said pipe part being provided with longitudinally extending channels, said channels extending into the wall of the socket at least over a part of the length of the socket, in which the socket is provided with an external annular recess located at a distance from the free end of the socket and obtained by radially pressing the walls of the channels onto each other over a certain distance, preferably in a sealing manner.
Claim 11
Dependent Claim
82 words
A pipe part comprising a socket, the wall of said pipe part being provided with longitudinally extending channels, said channels extending into the wall of the socket at least over a part of the length of the socket, in which the socket is provided with an external annular recess located at a distance from the free end of the socket and obtained by radially pressing the walls of the channels onto each other over a certain distance, preferably in a sealing manner.
Claim 12
Dependent Claim
95 words
A pipe part comprising a socket, the wall of said pipe part being provided with longitudinally extending channels, said channels extending into the wall over the length of the socket, said socket being provided with an annular end groove chamber having an external chamfer means for allowing sliding of a retaining ring having a substantially J-shaped cross-section over the outer wall of the socket, said annular end groove chamber being located near a free end of the socket and being formed by radially pressing walls of the channels toward each other over a certain distance.
Claim 13
Dependent Claim
95 words
A pipe part comprising a socket, the wall of said pipe part being provided with longitudinally extending channels, said channels extending into the wall over the length of the socket, said socket being provided with an annular end groove chamber having an external chamfer means for allowing sliding of a retaining ring having a substantially J-shaped cross-section over the outer wall of the socket, said annular end groove chamber being located near a free end of the socket and being formed by radially pressing walls of the channels toward each other over a certain distance.
Claim 14
Dependent Claim
24 words
The pipe part according to claim 10, further comprising a sealing member having a sealing sleeve and a sealing member part made integral therewith.
Claim 15
Dependent Claim
27 words
The pipe part according to claim 11, in which the socket is provided with a widened end means for accommodating the sealing sleeve of the sealing member.
Claim 16
Dependent Claim
23 words
The pipe part according to claim 11, in which the external chamfer means of the channels is contacted by the sealing member part.
Claim 17
Dependent Claim
18 words
The pipe part according to claim 10, in which the retaining ring engages the socket by a snap-connection.
Claim 18
Dependent Claim
34 words
The pipe part according to claim 14, in which the retaining ring is provided with at least one inwardly projecting part which snappingly engages an annular recess at the outer wall of the socket.
References Cited (Backward Citations)
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FR1158007A
Cited
US2894537A
Cited
GB1093662A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-08-16 | 1986-02-15 | 1986-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-08-16 | 1990-02-15 | 1990-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-08-16 | 1994-02-15 | 1994-08-17 | $7700.00 | Window Closed / Lapsed |