US 12,138,831 B2
Mold and method of manufacturing for fiber-reinforced polymeric sprinkler head part
William K. Rucker, Cranston, RI (US); Manuel R. Silva, Jr., Cranston, RI (US); Lyle J. Miller, Milford, CT (US); Daniel Cross, South Kingston, RI (US); Steven L. Shields, Lubbock, TX (US); and Jose L. Almeida, Cranston, RI (US)
Assigned to Tyco Fire Products LP, Cranston, RI (US)
Appl. No. 17/797,689
Filed by Tyco Fire Products LP, Lansdale, PA (US)
PCT Filed Jan. 25, 2021, PCT No. PCT/IB2021/050554
§ 371(c)(1), (2) Date Aug. 4, 2022,
PCT Pub. No. WO2021/156699, PCT Pub. Date Aug. 12, 2021.
Claims priority of provisional application 62/971,557, filed on Feb. 7, 2020.
Prior Publication US 2023/0100828 A1, Mar. 30, 2023
Int. Cl. B29C 45/00 (2006.01); B29C 45/26 (2006.01); B29C 45/27 (2006.01); B29K 71/00 (2006.01); B29K 79/00 (2006.01); B29K 81/00 (2006.01); B29K 105/00 (2006.01); B29L 1/00 (2006.01)
CPC B29C 45/0025 (2013.01) [B29C 45/0005 (2013.01); B29C 45/2618 (2013.01); B29C 45/2708 (2013.01); B29C 2045/0027 (2013.01); B29K 2071/00 (2013.01); B29K 2079/085 (2013.01); B29K 2081/04 (2013.01); B29K 2105/0094 (2013.01); B29K 2995/0077 (2013.01); B29L 2001/00 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An injection mold for producing a sprinkler head part, the injection mold comprising:
first and second mold portions including first and second shaping elements structured to cooperatively form a body including a substantially cylindrical portion and a substantially planar portion, a first frame arm extending from the substantially planar portion of the body, and a second frame arm extending from the substantially planar portion of the body;
a third mold portion including a third shaping element structured to form an orifice in the body; and
a fourth mold portion including a fourth shaping element structured to form a cross member connecting the first frame arm and the second frame arm.