What are these cups out of?
txredman 02-16-2010
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These were at my shop when I bought the place. Anybody have any idea what they came out of?

pumper22 02-16-2010
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Might be from an Elba ?

 
Rich c 02-16-2010
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Looks like the old ones schwing used. I replaced 10 or more just like it.
PourItOut 02-17-2010
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My Guess Is PUMPSTAR
txredman 02-17-2010
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I know the ol boy that was here before me had a Pump-It and a Pumpstar among others. I got a cylinder off a Pumpstar main section sitting here too. Anybody know if I can still get this style of cup and dogbone? Looking at them, I think this style would be the easiest to convert my Cifa to.

Sidetracking 02-17-2010
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THOSE WOULD BE OUT OF AN 1980'S SCHWING 801

 
Telealbelt 02-17-2010
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If you know the answer then you're old like me.  '81  28-801 was my first pump. Ouch
milkman58 02-17-2010
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Those are ELBA
Tank 02-17-2010
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I think it belongs in this pump.
 
 
We used to spot weld the treaded connecter to the mudcup so it could not turn off when pumping.
 
(This pic is from the early 90s so don't worry about the double end hose.)
pump wrench 02-17-2010
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your right tank they are out of 800 or 801. you would tack weld them onto the cup and use hose clamp to hold the coupling together. the only good thing when they fell of a 4x4 on the rear of the redi mix truck and push the cup back up ah the good old days. If you lost elec the unit just started to pump all by it self. Now they have to put e-stops every 4 feet. bolt grates down put covers on everything. they must of been pre osha lol
pump wrench 02-17-2010
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tank did you ever find the pictures of the units that burned?
Telealbelt 02-17-2010
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Remember finishing several pours on one cylinder after the came apart.  Ah the Good Ole Days
Tank 02-17-2010
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Pump wrench
I can't find the pics from the fire. I do miss that old pump some days. I remember that old gate valve shattering the windshield out of a front discharge mixer. ( I think the mixer driver sh*t his pants ) I was on 2ed deck, after the 2ed or 3rd stroke of sucking air I turned the pump up against the next stroke she blow concrete so far in the air I was able to catch a few stone. The next thing I know the driver is cursing and swearing at me telling me how I 'm going to have to pay for his window.
Telealbelt
I can only remember losing a mudcup 1 time, 10 yards into a 55 yard block full. I finished the pour on 1 cylinder. It's funny now, I can tell you exactly where the job was and who we were pumping for. Yea good ole days
Many 02-17-2010
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Those funny old dog bones would do it every time.
hammah 02-18-2010
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Check this out you can see the dog bones for this here scroll down to page 21.

http://www.pumpcoparts.com/parts-catalog.html
Slinger488 02-18-2010
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Definately Pumpstar, I have one holding my office door open.With Pumpstar closing they might be a collectors item someday
dlee7729 02-19-2010
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Those to me look a set of schwing rams . Schwing rams at the time had a problem with the coupling backing out . So you welded the coupling to the spacer and the spacer to the ram .

lawrence 02-20-2010
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 look at all you old boys come to life. I love it!