Seal jar

Abstract

A seal jar is constituted by a jar body collocating with an inner jar inserted into the jar body and a lid. An annular protruding rim in stair shape is formed on the upper end edge of the inner jar, and an annular groove corresponding to the lower end of the protruding annular rim for fitting with a seal is formed on the side edge of the inner jar which is covered by the lid which has a seal on the lid edge. The inner jar is inserted in the jar body, and the seal fitted in the annular groove of the inner jar seals at the inner side of the jar body. The lid fits at the upper end of the annular protruding rim of the inner jar, and the seal fitted in the annular groove of the lid similarly seals at the inner side of the annular protruding rim.

1 . A seal jar, essentially constituted by a jar body collocating with a inner jar and a lid, wherein:
 said jar body is formed with an accommodation space in its interior; said inner jar can be put inside said jar body, said inner jar also having a receiving space in its interior and being provided with an annular protruding rim formed on the upper end edge thereof, an annular groove corresponding to the lower end of the annular protruding rim for fitting with a seal being formed on the side edge of said inner jar, a vent hole being provided on the seal; said lid is used to cover and fit on the annular protruding rim of said inner jar; an annular groove for fitting with a seal being formed on the side edge of said lid, and a vent hole being provided on the seal.