US 11,703,167 B2
Flange joint assembly for flammable liquid
William Mark McDaniel, Wildwood, MO (US)
Assigned to Monsanto Technology LLC, St. Louis, MO (US)
Appl. No. 16/469,492
Filed by Monsanto Technology LLC, St. Louis, MO (US)
PCT Filed Dec. 13, 2017, PCT No. PCT/US2017/065988
§ 371(c)(1), (2) Date Jun. 13, 2019,
PCT Pub. No. WO2018/111983, PCT Pub. Date Jun. 21, 2018.
Claims priority of provisional application 62/433,590, filed on Dec. 13, 2016.
Prior Publication US 2019/0353287 A1, Nov. 21, 2019
Int. Cl. F16L 23/24 (2006.01); F16J 15/12 (2006.01); F16L 51/03 (2006.01)
CPC F16L 23/24 (2013.01) [F16J 15/122 (2013.01); F16L 51/035 (2013.01)] 16 Claims
OG exemplary drawing
 
1. A flanged fitting for flammable liquid, the flanged fitting comprising:
an annular fitting flange having an annular end face, an annular flange body, and an annular inlay secured to the annular flange body, wherein the annular inlay defines a radially outer annular portion of the annular end face; and
a glass liner lining a radially inner annular portion of the annular end face of the annular fitting flange;
wherein the radially outer annular portion of the annular end face of the annular fitting flange is free from the glass liner;
wherein the glass liner lining the radially inner annular portion of the annular end face of the annular fitting flange and the radially outer annular portion of the annular end face of the annular fitting flange define an annular gasket abutment face configured to seat a gasket thereon;
wherein the annular gasket abutment face is generally planar.