Syringes, no; needles, yes. I suggest that a positive displacement 
dispenser feeding four needles that can be dragged through your assembly 
would not be difficult to contrive. You would probably need about 12 
gauge Luer Lock needles, depending on the quantity of paste needed and 
the speed of withdrawal. This would not work well with electropneumatic 
dispensers: you must have the positive displacement.

Any medical needle supplier will have something to suit: I used to have 
ad hoc needles made for me by one in Switzerland for next-to-nothing.

Brian

Hfjord wrote:
> Hi all,
> 
> I have 100 mm long tube, quadratic cross section about 15x15 mm. It's made
> up by 4 pcs double copper sided 'boards' put together to form the tube. I
> need dispense solder paste on INSIDE in all for corners and all along the
> 100 mm length. Now, have you seen dispenser robotics with syringes that
> long? I would like to dispense in all four corners simultaneously, but that
> is probably to be a dream only. 
> 
> No, I can't buy ready to use molded stuff, or other tubular things, nor
> cut-and-wrap, or any else products. The 4-piece design is given and
> unchangeable. And..I can't print solder paste on the individuals for later
> putting together. 
> 
> /Inge
> 
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