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  1. #1
    Join Date
    Apr 2019
    Location
    Finland
    Age
    46
    Posts
    117

    Default Name this welding clamp?

    Some years ago, we found a clamp that we decided to copy.

    We made ten copies from it with my friend.
    Its great for lining pipes & axles for welding.
    It centers them automaticly, even if the diameter varies.

    Do you know a name for it, or brand for the original one?
    It was made from cast steel. ( One on the pictures is watercut and machined from plate)

    IMG_20200415_143402.jpgIMG_20200415_143437.jpgIMG_20200415_143442.jpg

    I have been planning to make more of them.. i have only this one left.
    Its not a big deal, but it would be nice to know what is it called.

  2. #2
    Join Date
    Mar 2011
    Location
    Southern Flinders Ranges
    Posts
    1,536

    Default

    I googled 'pipe alignment clamp'

    Found a lot of similar ones, amongst it was this, looks identical to yours

    https://www.directindustry.com/prod/...7-2229739.html

    and this

    https://tremcopipeline.com.au/constr...ignment-clamp/

    The second link mentions them being made my Sawyer (USA)

    Keep in mind by copying it you may be encroaching on a registered or patented design

    Good luck with it

  3. #3
    Join Date
    May 2011
    Location
    Murray Bridge S Aust.
    Age
    71
    Posts
    5,942

    Default

    Sorry i can't help you with a name for the Clamps, but I and I'm sure others on here, wouldn't mind a set of drawings for them, PLEASE, as they look like a very handy piece of kit.
    Thanks,
    Kryn
    To grow old is mandatory, growing up is optional.

  4. #4
    Join Date
    Apr 2019
    Location
    Finland
    Age
    46
    Posts
    117

    Default

    Quote Originally Posted by racingtadpole View Post
    I googled 'pipe alignment clamp'

    Found a lot of similar ones, amongst it was this, looks identical to yours

    https://www.directindustry.com/prod/...7-2229739.html

    and this

    https://tremcopipeline.com.au/constr...ignment-clamp/

    The second link mentions them being made my Sawyer (USA)

    Keep in mind by copying it you may be encroaching on a registered or patented design

    Good luck with it
    Thank you very much!
    I tried to Google with Finnish terms, and didn't find any.

    Luckily, in Finland. One is allowed to make a copy for personal use, even that the design is patented.
    You are allowed to make ones for your friends too, if you don't take money from it.

    Also you are allowed to sell it, if you can show that you have used it, and doesn't need it anymore.

    Here patens or model protection doesn't apply in personal use.

  5. #5
    Join Date
    Apr 2019
    Location
    Finland
    Age
    46
    Posts
    117

    Default

    Quote Originally Posted by KBs PensNmore View Post
    .. mind a set of drawings for them...
    Kryn
    I'll be back when i have made the drawings. I am little slow with drawing..

  6. #6
    Join Date
    Dec 2018
    Location
    NSW
    Posts
    586

    Default

    Looks like a Kant twist clamp, 2 of, fixtured together.

    I've never used them, but the design is similar.

  7. #7
    Join Date
    Oct 2004
    Location
    Southern Highlands NSW
    Posts
    1,894

    Default

    I have a different type of tool that is also evidently for aligning cylinders, pipes etc. It was from technical college.
    It is a single piece of cast iron, with a V shape along its top edge, flat on the bottom, and with flanges next to the V for using clamps.
    Actually the V is in two sections, because there is a gap in the centre so welding can be done there.

    I see you have a Rode microphone on your camera, made here in Sydney Australia.

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