Apparatus for forming sprinkler head protector

Details Apparatus for forming sprinkler head protector Apparatus for forming sprinkler head protector

1978-08-21

1979-10-09

Hoag, W. E.

Plastic article or earthenware shaping or treating: apparatus

Distinct means to feed, support or manipulate preform stock...

425125, 425127, 425218, 425426, B28B 700, B29C 500

Patent

active

041704436

ABSTRACT:
Apparatus for forming a concrete shield around a sprinkler head is a frusto-conical shaped form having a removable concentric flexible sleeve therein. A rotatable trowel is positioned inside the form to smooth the upper concrete surface. An inverted cup adapted to fit over the head of the sprinkler during the concrete forming process prevents wet concrete from contacting the top of the sprinkler head.

REFERENCES:
patent: 1162924 (1915-12-01), Horning
patent: 3015448 (1962-01-01), Hurless
patent: 3662956 (1972-05-01), Hedman
patent: 3904120 (1975-09-01), Sbicca

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