Update, June 2001... The first two pictures are of a quickly made pail sprayer, ( for a "5 gallon" or "20 litre" pail). The first picture shows the lid of the pail to which a hose, a valve, a funnel and brackets have been fastened.
The next picture shows the underside of the lid, revealing the simplicity of screw gun fasteners and the simple 90 degree elbow pipe fitting which directs the spray air. The lid is held on to the pail using a simple rubber strap. Moderate slump cement effectively can be sprayed by balancing the filled pail rig on one's knee and opening valve while "pouring" the cement.
A summary of experiments will be reported here eventually. Pictures below are of an earlier, smaller sprayer used for more delicate cement spraying.
Below is a close up looking down the "barrel". The 3/4" (2cm), I.D. copper tube has been cut at center with an oval hole to allow cement to fall into barrel. At the far end the small orifice has been forced into the 3/4" tube, itself wrapped with odd bits of tubing and tape to secure in place. Although i never got around to it, i was going to place a small "air-bladder" (balloon) to check the cement when air is not triggered into use. An elegant way would have been to connect the air -bladder through small orifice to the same air line. Then, when the trigger is pulled, the air bladder deflates, allowing cement to fall onto airstream. (In the picture below, the rubber tube needs securing away from nozzle, this is a quickly written/ photographed page).
Free Exchange of Ideas
Comments are invited. Consultancy or constructive cooperation is offered.
Services ___Disclaimer ___Royalty Freedom ___About enersearch
These research reports are in the public domain and are furnished "as is". The author makes no warranty, express or implied, for any purpose. The author assumes no responsibility for the use or misuse of this research. Bo Atkinson, enersearch Tel : 207 342 5796 . . . (MaineUSA) E m a i l- email@example.com ___ Spam filters are in use, if your personal email doesn't get through, try calling: 1-207-342-5796 ~ Please start speaking when message-machine answers and we will pick up the phone when possible, as this method filters spam calls, (due to listing this number for so many years, on the internet).. Spam or unsolicited sales which are not directly related to discussion of this work are not welcome.