封口体

US6593023(特表2005-510829)(GILLETTE CO [US])
"Referring to the FIGURE, a cylindrical metal-air battery 10 includes a housing 12 having air access openings 14, a cathode tube 16, an anode 18, and a separator 20 between cathode tube 16 and anode 18. Battery 10 further includes an anode current collector 22, a seal assembly 24（封口体）, and a metal top cap 26."

 

US8322570(特表2011-510360) (DEKA PRODUCTS LP [US])
"In the exemplary embodiment, the seal is a foam in place gasket, which in the exemplary embodiment, is made from polyurethane foam die-cut, but in other embodiments, may be made from silicone foam or other similar materials. In some embodiments, the seal may be an over molded seal or any other type of sealing body（封口体）."

US20140349158(再表2013/038946)(GS YUASA INT LTD [JP])
"[0049] The battery case 2 is in a cylindrical shape with a bottom and plated with nickel. As shown in FIG. 1, the battery case 2 has an upper opening sealed with a sealing body（封口体）5 with an insulating body 4 interposed therebetween as shown in FIG. 1."