GB191305430A - Improvements in or relating to Service Connectors to Pipe Mains. - Google Patents
Improvements in or relating to Service Connectors to Pipe Mains.Info
- Publication number
- GB191305430A GB191305430A GB191305430DA GB191305430A GB 191305430 A GB191305430 A GB 191305430A GB 191305430D A GB191305430D A GB 191305430DA GB 191305430 A GB191305430 A GB 191305430A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mandrel
- nipple
- nut
- main
- head
- 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
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
- F16L41/082—Non-disconnectible joints, e.g. soldered, adhesive or caulked joints
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Branch Pipes, Bends, And The Like (AREA)
Abstract
5430. Slack, J. E., and British Mannesmann Tube Co. March 4. Branches and mains, connecting.-A nipple for connecting branch pipes to mains has a reduced bore of tapered form at the part that passes through and projects within the main, so that the nipple may be expanded in place by passing a mandrel therethrough to render the bore uniform. The mandrel is given a combined rotary and axial movement towards the interior of the main. The nipple may be threaded to screw into the main, or may be plain, the outer end having external threads for the connexion of a branch pipe in the usual way. Fig. 5 shows a nipple a having a branchpipe c secured thereto, screwed into a main. a mandrel b with a tapered head b<1> fitting the tapered part of the nipple in a fluid-tight manner having been previously secured therein by a nut c<1> on a threaded extension c. The mandrel is then rotated and advanced by a nut d screwing on to a sleeve m and embracing the non-circular head f<2> of a spindle f, a socket f<1> on the end of the spindle engaging and being pinned or otherwise secured to the non-circular head b<3> of the mandrel. A pin is passed through the head f<2> above the nut, to prevent the mandrel from falling into the main when expansion is completed, and to facilitate its withdrawal. The Specification also describes an arrangement in which the pieces e, f are omitted. In this case, the nut d engages the head b<3> and screws directly on to the nipple a. The nut d may be made in two parts, to facilitate application in any desired position. The tapered end b<1> of the mandrel may have parallel or inclined flutings. Fig. 4 shows a modification in which the lower end of the nipple a is plain, the upper end b<5> of the mandrel is threaded, and the nut d has right and left hand threads engaging the mandrel and nipple. With this construction, the mandrel receives an endlong movement as the nut is screwed down, until the shoulders b<2>, d<1> contact, after which the mandrel progresses with a combined rotary and endlong movement.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB191305430T | 1913-03-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB191305430A true GB191305430A (en) | 1913-11-27 |
Family
ID=32578031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB191305430D Expired GB191305430A (en) | 1913-03-04 | 1913-03-04 | Improvements in or relating to Service Connectors to Pipe Mains. |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB191305430A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2566502A (en) * | 1945-04-13 | 1951-09-04 | Mueller Co | Corporation stop and method of installing |
-
1913
- 1913-03-04 GB GB191305430D patent/GB191305430A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2566502A (en) * | 1945-04-13 | 1951-09-04 | Mueller Co | Corporation stop and method of installing |
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