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Old 11-15-2012, 08:17 AM   #16
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Best way to join pipe without a fitting?


If a patent hasn't been applied for, telling what it is would be foolish . We just can't expect a percent of the revenue for our information.

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Old 11-15-2012, 08:49 AM   #17
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Best way to join pipe without a fitting?


Going to be used for an indoor garden:



If you put the plants directly through a hole in the pipe, they tend to overflow when the plants get larger and the roots start to create resistance. By raising the plants out of the water, even by only a few inches, the hope is that the main area runs faster and won't overflow at the brim.
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Old 11-15-2012, 08:59 AM   #18
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Best way to join pipe without a fitting?


May want to take a look at some of these on how to do it.
http://www.bing.com/videos/search?q=...ning&FORM=VDRE
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Old 11-15-2012, 09:06 AM   #19
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Originally Posted by joecaption View Post
May want to take a look at some of these on how to do it.
http://www.bing.com/videos/search?q=...ning&FORM=VDRE
Yeah - I've only ever seen it done by drilling a hole, or using a fitting on super-price, small systems. If fittings were so crazy expensive, that would be that way to go, but 4" T's go from $10-15 -- makes sense if your adding a sink and just need one, but it's crazy if you need 96.

Going to do some serious R&D now that I have some options - kind of like the idea of plastic welding. I want to see just how tight the pipe goes in too - if it's snug going in, I might just need some pvc cement.
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Old 11-15-2012, 09:17 AM   #20
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Best way to join pipe without a fitting?


Sweet if you've never seen it done:

I thought you had to replace plastic panels.
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Old 11-15-2012, 09:50 AM   #21
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Best way to join pipe without a fitting?


96 Indoor tomato plants? Yea....right....ok.....

Have you got your growing lights worked out as well?
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Old 11-15-2012, 09:54 AM   #22
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96 Indoor tomato plants? Yea....right....ok.....

Have you got your growing lights worked out as well?
Does the OP live in Colorado?
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Old 11-15-2012, 09:58 AM   #23
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http://www.plumbingstore.com/pvc_saddle_tees.html
This is what you need to be using.
Now was that so hard.
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Old 11-15-2012, 10:00 AM   #24
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Best way to join pipe without a fitting?


If you can get the hole tight enough the pvc cement and a bead of Hot glue would probably fine. I don't think silcone sticks to pvc very well.
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Old 11-15-2012, 10:28 AM   #25
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Now that I see what you are trying to do, I would think you could do it by a butt-joint and cement. Buy a hole saw (make sure its the correct size - 4" pipe will be 4.5" od" to get the correct shape on the 2" pipe. You might get a stronger bond with ABS rather than PVC, but both are pretty cheap, just buy some and try it.
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Old 11-15-2012, 11:08 AM   #26
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96 Indoor tomato plants? Yea....right....ok.....

Have you got your growing lights worked out as well?
LOL. As a former LEO, I was thinking the same thing.
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Old 11-15-2012, 11:45 AM   #27
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Originally Posted by md2lgyk View Post
LOL. As a former LEO, I was thinking the same thing.
Mostly just wanted to keep my thread on topic

That said, I found super cheap 4" T's:

http://www.homedepot.com/h_d1/N-5yc1...1#.UKUmx4ZNedA

$3.13 instead of the normal $15ish dollars. So, now I have to decide whether to use 2" pipe or switch to 4" net pots. Cost is a minor issue, more to do with the fact that bigger netpots create more waste (2" hold almost no filler)

If I did my math right, a 4" pipe, 72 feet long should take:

72*12 = 864 inches

864 * 2(radius) * pi

5428 cubic inches

23 gallons (thanks Google!)

So I can go 4" and still be covered with a 45 gallon res.

I wish they made little plastic rings that would let you put 2" net pots in 4" holes - then you could just always error on the side of too big.
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Old 11-15-2012, 03:20 PM   #28
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Best way to join pipe without a fitting?


Why not spend the $ upfront and buy a 2" TAP. Drill your hole and THREAD it and use 2' male threaded adapters with a little bit of teflon tape. If you use schedule 80 for the 4" pipe the wall thickness will be greater and thus more threads for the adapters to grab. Leak proof and would work well with some pressure. Just my .02

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Old 11-15-2012, 03:44 PM   #29
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If a patent hasn't been applied for, telling what it is would be foolish . We just can't expect a percent of the revenue for our information.
And sadly, patents are beyond the reach of most commoners unless you have a free patent clinic near you willing to do some of the work.

Beware places like Legal Zoom that suggest they can get you a provisional patent for $300. There is no such thing as a provisional patent. You can file a provisional application for a patent. It starts the clock ticking and if used strategically can extend the life of a patent by a year---once you get it. The provision granted is that you file a real, non-provisional application within one year. If you do not, you could loose the right to patent.

Provisional patent applications are not reviewed on merit. They do allow you to put patent pending on things. They provide no intellectual property protection whatsoever.

Real patents cost thousands but the process, including being matched up with an examiner in the trademark and patent office is complex. A surprisingly small number of products sold actually have patents. And a miniscule number of patent disputes ever go to court. It is just to expensive.
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Old 11-15-2012, 03:47 PM   #30
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Quote:
Originally Posted by tibberous View Post
Going to be used for an indoor garden:



If you put the plants directly through a hole in the pipe, they tend to overflow when the plants get larger and the roots start to create resistance. By raising the plants out of the water, even by only a few inches, the hope is that the main area runs faster and won't overflow at the brim.
I don't get it.

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