joint

A joint or articulation (or articular surface) is the connection made between bones in the body which link the skeletal system into a functional whole. They are constructed to allow for different degrees and types of movement. Some joints, such as the knee, elbow, and shoulder, are self-lubricating, almost frictionless, and are able to withstand compression and maintain heavy loads while still executing smooth and precise movements. Other joints such as sutures between the bones of the skull permit very little movement (only during birth) in order to protect the brain and the sense organs. The connection between a tooth and the jawbone is also called a joint, and is described as a fibrous joint known as a gomphosis. Joints are classified both structurally and functionally.

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  1. N

    Inlet valve in cistern will not sit tight to bottom of cistern.

    Hi I have always replaced the cistern valve myself. Usually use a torbeck valve. It has always been straight forward and quick. We have a compression elbow joint isolator (15 mm 1/2) just beneath the inlet hole in the cistern. Just enough space to accommodate the screw portion of the inlet...
  2. T

    Making the Perfect End Feed Solder Joint

    I prefer using end feed type copper fittings and I have had a good success rate. However, I usually get an ugly drip of solder. Could anyone advise how I could avoid that and make a really neat job?. I know I am being a bit OCD about this, but that's just me! thanks tuttogallo
  3. G

    How to seal a leaking U bend joint?

    My heating system empties condensate via a U bend. The boiler generates ferric oxide. That is a worry in itself, but the boiler is nearly 20 years old and I can see no sign that the heat exchanger is being significantly eroded, so that is not what concerns me here. Part of the boiler's...
  4. V

    british gas work good or bad

    on the 11 of last month we had new boiler fitted by british gas all worked well for a month,the fitter put the condensation pipe into the wc waste pipe and filled it with filler we didnot no this till we emptyed the bath one night and had water leaking down the wall from the joint call british...
  5. P

    Soldered Compression joint etc.

    Dented gas pipe; outflow support; soldered compression joint for water to shower. Thoughts please ...... How serious is this?
    • P M ROACH
    • Thread
    • attach compression compression joint joint looks money scrap soldered thoughts
    • Replies: 64
    • Forum: Plumbing Jobs | The Job-board
  6. J

    who made this elbow/isolation valve?

    Hi all I'm trying to work out who makes the elbow shown in the picture. It joins up the cold feed with the float valve in my expansion tank. It looks like it says Siro on the side but I cant find anything on the web that looks right. It has an isolation slot on the top face. It started...
  7. M

    Connection for lead soil pipe please

    Hi chaps, am in need of your expertise again please. What i would really like to do is disconnect the lead completely from the cast iron collor. But am not sure how to connect to the collor. It is not a pan connector that needs to go there but an 110mm piece of soils pipe. Also, what are your...
  8. O

    Is there a Loctite type glue for plumbing joints

    Hello, I need to join two male threads into a female straight connector and want to glue them so they cannot be unscrewed and hopefully the glue would contribute to ensuring the joint is leak free. Is there a special recommended glue for this purpose. Advice, recommendations or jocular...
  9. J

    Odd size rubber boss adaptor?

    I'm working on a bathroom. Cast Iron stack. I need to make use of an existing integrated connection. When I pulled out the old 40mm pipe the rubber adaptor that was on it is a strange size. It is about 1cm smaller in overall diameter than a normal rubber adaptor (it's about 50mm). It looks just...
  10. A

    vertical flues

    after spending all day making method statements and risk assessments my mind has shut up shop and gone on holiday. Honestly dont know how some people spend all day if an office.... :( anyways im now struggling with mind freeze, i have got to put together some information about installing...
  11. C

    Proprietary joint - lead

    Hello, I am very confused by the notion of proprietary joint (could be mis-spelled) as I cannot find it in my plumbing book - Is it a joint that is allowed for joining old lead pipes to either plastic or copper pipes? I know that a wiped joint isn't allowed anymore, but as there are still many...
  12. L

    Yorkshire Fittings

    I would like some advice regarding yorkshire fittings, I do not have a problem with 15m fittings,but 22m is giving me headaches , is there a knack in getting the solder to go all round the fitting, out of 4 today only one was perfect the other three was not so good, and I don't know what I did...
  13. P

    Sealing and setting a BSPP joint

    I have a 1/2 BSPP male valve which I need to install at a particular angle in a BSPP female elbow. It is not possible to tighten the fittings against a washer and achieve the desired installation angle. I need advice on the best setting thread sealant to use. My engineering chum said araldite...
  14. K

    Leaking joint in internal lead soil stack

    Hi, this is my first post. My background is as a brickie then general builder, with an ability to do basic plumbing when required. This one I have never had to deal with before, and of course is in my own house! The problem is shown in the final picture, where two sections of the pipe (I know...
  15. C

    Water leak from HWSC

    Hello all I was called out yesterday to a water leak coming through a ceiling,it turned out to be the HWSC in the hotpress above.There is a constant trickle of water from the primary flow where at its joint with the essex flange.I have advised customer that as the cylinder is around 30 years...
  16. R

    Radiator tail leak

    Hi Friends Following on from yesterday i have again taken the tail out of teh rad and applied new ptfe tape (more this time), screwed back into rad and hey presto there is atill a very small leak, drips about each hour. I am lost, should I buy a new tail? the one I have doesn't have the...
  17. C

    Looking for advice please!

    Hi All I am new to this forum. I have joined because i am desperate fro advice regarding an ongoing problem. We have a large radiator in our living room and about 18 months ago the solder on the joint between a horizontal and vetical pipe (leading up to the radiator) failed. Since then it...
  18. J

    Gerberit Duofix WC Frames

    Hi I have just had a Duofix frame delivered. The unit comes with a right angle bend (90mm diameter) and a 120mm diameter Pan Connector with a rubber seal. I am assuming the Pan Connector goes into the right angle bend. Do I need to use any solvent adhesive on this joint? Also, given that the...
  19. D

    Leaking boiler pipe joint, what should i use?

    Hi Can you please advise on the best product to use to seal a slight leaking pipe joint within a boiler, i ve tried nipping it up, but it still weeps a little Any advice would be greatly appreciated Many thanks
  20. T

    Weeping Pre-Soldered Joint

    Hope you can help with my first question! I have just completed a fairly major central heating re-plumb and have been left with 1 slightly weeping pre-soldered 22m joint in a very awkward position. The position makes me not want to replace if possible but also may explain the cause. I could not...

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