GB1309808A - Buried insulated pipe systems - Google Patents
Buried insulated pipe systemsInfo
- Publication number
- GB1309808A GB1309808A GB1309808DA GB1309808A GB 1309808 A GB1309808 A GB 1309808A GB 1309808D A GB1309808D A GB 1309808DA GB 1309808 A GB1309808 A GB 1309808A
- Authority
- GB
- United Kingdom
- Prior art keywords
- box
- pipe
- pipes
- side wall
- cavity
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- F16L59/00—Thermal insulation in general
- F16L59/14—Arrangements for the insulation of pipes or pipe systems
- F16L59/15—Arrangements for the insulation of pipes or pipe systems for underground pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
Abstract
1309808 Buried insulated pipe systems G A FORBES 24 June 1971 [24 June 1970] 30552/70 Heading F2P In a buried system of insulated pipes a portion of pipe at at least one change of direction or junction is situated within a cavity and is moveable within the cavity by forces produced in the pipe by thermal expansion or contraction, said cavity being defined by a box which has a top and a peripheral side wall, said side wall having cut away portions to allow the pipe to pass therethrough. The box may also have a nesting portion comprising a bottom and a peripheral side wall so as to completely enclose the pipe bend. As shown (Fig. 1) each side wall is composed of four facets, two adjacent facets being apertured at 7-10 and 17-20. In an alternative (Fig. 2, not shown) the box is of traperzoidal cross-section, the two non-parallel facets being apertured to admit the cross piece of a T-junction, the stem of the T being admitted via a hole in the shortest facet. The pipes may rest on the trench floor or be supported above it. If the lower half of the box is used it may either be inserted before laying the pipes or the pipes may be jacked up during placement. The box is conveniently of glass reinforced resin laminate and may be filled with mineral fibres.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB3055270 | 1970-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1309808A true GB1309808A (en) | 1973-03-14 |
Family
ID=10309428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1309808D Expired GB1309808A (en) | 1970-06-24 | 1970-06-24 | Buried insulated pipe systems |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB1309808A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905943A (en) * | 1988-01-09 | 1990-03-06 | Usui Kokusai Sangyo Kaisha Ltd. | Apparatus for fixing the piping in a concentrated manner |
| US5685508A (en) * | 1994-01-18 | 1997-11-11 | Portable Pipe Hangers, Inc. | Pipe hanging and rooftop load supporting system |
-
1970
- 1970-06-24 GB GB1309808D patent/GB1309808A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4905943A (en) * | 1988-01-09 | 1990-03-06 | Usui Kokusai Sangyo Kaisha Ltd. | Apparatus for fixing the piping in a concentrated manner |
| US5685508A (en) * | 1994-01-18 | 1997-11-11 | Portable Pipe Hangers, Inc. | Pipe hanging and rooftop load supporting system |
| US6017005A (en) * | 1994-07-05 | 2000-01-25 | Portable Pipe Hangers, Inc. | Pipe hanging and rooftop load supporting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |