| US 7,600,699 B2 | ||
| Sprinkler top with co-molded seal for riser and body | ||
| Carl L. C. Kah, Jr., North Palm Beach, Fla. (US); and Richard Zhang, Riviera Beach, Fla. (US) | ||
| Assigned to K-Rain Manufacturing Corp., Riviera Beach, Fla. (US) | ||
| Filed on May 22, 2006, as Appl. No. 11/438,634. | ||
| Claims priority of provisional application 60/682996, filed on May 20, 2005. | ||
| Prior Publication US 2006/0261182 A1, Nov. 23, 2006 | ||
| Int. Cl. B05B 15/10 (2006.01); B05B 15/06 (2006.01); B05B 3/00 (2006.01); F16J 15/32 (2006.01); F16J 15/16 (2006.01) | ||
| U.S. Cl. 239—203 [239/123; 239/204; 239/205; 277/549] | 16 Claims |
| 1. A top for a pop-up type irrigation sprinkler that utilizes a riser that pops up from a stationary sprinkler body, the top
comprising:
a cap which is threadedly attached to the sprinkler body; and
a co-molded seal positioned in a center of the cap with a riser opening in the center thereof, wherein the seal prevents water
from leaking out of the sprinkler between the cap and the sprinkler body and between the seal and the riser, the co-molded
seal including at least one hard plastic portion having an outer circumference and an inner circumference, wherein the outer
circumference and the inner circumference are covered with an elastic material.
|