Patent ID: 6244309
Filing Date: 2001-06-12
Classification: B65B,B67C

Abstract:
A filling valve for filling containers with liquid from a pressurized bowl, said valve comprising:an elongated vertical housing;a filling orifice through said housing;a liquid valve seal element arranged within said housing and shiftable on and off a valve seat for selectively preventing and permitting flow through said filling orifice;a stem extending longitudinally through said housing having a gas flow conduit therethrough;an upper stem guide and a lower stem guide retaining said stem centrally in said housing with at least limited freedom to shift longitudinally in said housing;said stem having a polygonal cross-section for a portion of its length and said lower stem guide having a hole with a different larger area polygonal cross-section causing said stem to be restrained from rotation relative to said lower guide and said housing while leaving a passage for liquid through said lower guide;a drip stop element having a generally circular cross-section and an opening therethrough mounted on a lower portion of said stem for slideable movement thereon;a spring arranged to urge said drip stop element upward relative to said stem; anda seat in said housing against which the periphery of said drip stop element is urged to close off low pressure liquid flow through said housing.