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Thank you and thank you to Bourth for the useful ref. above, which I would have seen earlier if I had ticked the "Send me notifications about this discussion" box... 4 KudoZ points were awarded for this answer
Nozzle bank. Referred to explicitly here:
A "tufted" conveyor - designed to spread the layer of grapes uniformly - carries the grapes into the sorter, which comprises an LED-lit system with an in-line camera and an ejection mechanism (a BANK of high frequency PNEUMATIC NOZZLES). The software processes the images in order to detect the position of any objects to be removed from the grapes, TRIGGERING THE NOZZLES to open just as these objects pass so that they are DEFLECTED TOWARDS A SECONDARY WASTE REMOVAL CONVEYOR, while the rest of the grapes continue on to the vinification vat on another conveyor.
"There is a growing interest in OPTICAL GRAPE SORTING (?) in the food industry. With grape sorting, the system can be set to REMOVE DEBRIS OR UNRIPE BERRIES, or to simply retain intact berries. This system should prove very popular with independent and co-operative wineries." - Bernard Hébrard, Vinitech Technical Consultant. http://www.wynboer.co.za/recentarticles/200812vinitech.php3
The above is the BUCHER VASLIN optical grape sorting system but the next item on the page is the PELLENC SA visionic grape sorting already referred to, which says exactly the same thing!
I think air does seem like a possibility, I was doing some searching earlier today for your other question (didn't find anything) but did come across some references to these sorting machines with blowing mechanisms to separate the stems from the grapes
there seems not to be a place to enter references, so here is a link explaining the process (as I supplied for your previous question):
ttp://www.pellenc.com.au/Default.aspx?tabid=570
But, not a spray or nozzle in sight... at this stage of sorting - which is the one you describe
Now we know it's a grape sorting machine, I wonder if these are maybe air nozzles — you know, like the method used in winnowing, to blow the lighter chaff away from the heavier wheat?
Does it spray wine (in some form, at some stage in its processing) or does it spray something into the wine (in some form, at some stage in its processing)?
2000+ ghits for (pesticide + "spray bar")
100+ ghits for (pesticide + "nozzle bar")
Unless by "part of the machinery" you mean the machinery for making the wine as opposed to the machinery for tending the vineyards!
Mind you, people have been known to put some pretty funny stuff in wine!
Maybe it's an "injection bar" - get your alcohol straight into the bloodstream, that's what I say!
What previous question, Rachel? For those of us not following your document as avidly as your good self, it's a jolly good idea to re-post he overall context again for each question; or at the very least, give the URL so it is easier for us to refer back to it.
Sounds to me a bit like a 'nozzle bar OR strip', but you probably need to actually see the thing to know how best to render 'barreau'
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Answers
7 mins confidence: peer agreement (net): +2
nozzle bar
Explanation: Hi Rachel. How about this straightforward calque?
Example sentence(s):
The Humi II will be sold as a kit, including a flexible, high-pressure hose nozzle bar or fan ring
Eutychus Local time: 00:54 Native speaker of: English PRO pts in category: 15
Grading comment
Thank you and thank you to Bourth for the useful ref. above, which I would have seen earlier if I had ticked the "Send me notifications about this discussion" box...
Notes to answerer
Asker: thanks - I see, a bar with a row of nozzles
50 mins confidence:
sorting-table rollers
Explanation: well, a sorting table is a piece of machinery that performs the operation you describe - ie, sorts the grapes from the waste matter (see last link below)
There is an illustration here, which shows a series of rollers (rather than bars, although they look similar)
Berries removed by the destemmer are carried onto the on-board sorting table, along with bare bunch stalks, petioles and other MOG. The sorting table consists of two sets of ingeniously designed rollers, each of which plays a key role in the achievement of the final result in the bin. The rollers in the first set are closely meshed and cleverly rotate petioles so that they are perpendicular to the side of the harvester.
Right: Close-up of the two sets of rollers – the first set for orienting the petioles is shown far right and the second set on the left of the Picture
Unwanted Vine Material and MOG Remains in the Vineyard
Once the petioles have been oriented in this way, the material moves onto the second set of rollers, which fit together in such a way as to leave a gap large enough for berries and juice to flow into the bin, but small enough to prevent petioles, leaves, bunch stalks and other material from doing so. This material is carried to the edge of the machine and ejected onto the vineyard floor
It seems that a sorting table can also be called a roller table or a roller conveyer...
and again:
This new on-board system is made up of two components : a high-frequency berry separator and an on-board sorting table. The first stage separates the berries from the stems by vibrations, with no fractionning, as opposed to all the rotating systems,
destemmers currently in use on grape harvesters or in the winery. The second stage, the on-board sorting table removes all Matter Other than Grapes (vines shoots, dead wood and grape cluster stems) and 95% of petioles. The result is a revolution in machine picking quality. http://209.85.135.132/search?q=cache:GN-QyjoU6OsJ:green-tech...
-------------------------------------------------- Note added at 58 mins (2009-11-16 15:44:43 GMT) --------------------------------------------------
There's an image of an on-board sorting table doing just what you describe using 2 sets of fiendishly clever rollers at the same link I sent you for the last question: http://www.pellenc.com.au/Default.aspx?tabid=570
Maybe the rollers are called "barreaux"....?
Carol Gullidge United Kingdom Local time: 23:54 Native speaker of: English PRO pts in category: 8
The translation workplace 
peer agreement (net): +2
