Foreign matter eliminator for lawn watering systems

Details Foreign matter eliminator for lawn watering systems Foreign matter eliminator for lawn watering systems

1991-05-31

1992-08-11

Nicholson, Eric K.

Pipe joints or couplings

Connector for conduit housing electromagnetic line:

Having box and connector

239201, 239203, 285423, B05B 1510

Patent

active

051373076

ABSTRACT:
A one piece molded combination retaining housing and tee, and a one piece molded combination retaining housing and 90.degree. elbow, for new installations of lawn watering systems, and a separate retaining housing for use with conventional tees and 90.degree. elbows in existing or new installations of lawn watering systems, to eliminate foreign matter from entering into the underground water piping system when a pop-up head is removed for repair or replacement. Adapters, to increase the height of the retaining housings, and retaining housing caps to allow standardization of the retaining housings of these three parts are also a part of the invention. All parts would be made of PVC today, but the material would not be limited to PVC.

REFERENCES:
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patent: 3759445 (1973-09-01), King
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patent: 4901890 (1990-02-01), Mivelaz
patent: 4961534 (1990-10-01), Tyler et al.
patent: 4986474 (1991-01-01), Schisler et al.

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