JPS6287256U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は密閉蓋体の製作例を示した断面斜視図
であり、第２図は本考案の実施例を示した断面図
である。 Ａ：密閉装置、Ｂ：気密容器、Ｃ：密閉蓋体、
１ｂ，２ｂ：壁、１ｃ：内周壁、２ｃ：外周壁、
３ｃ：蓋面、４：パツキング、５：排気管、Ｄ：
排気装置、６：圧力計、７：真空バルブ。 FIG. 1 is a sectional perspective view showing an example of manufacturing a sealing lid, and FIG. 2 is a sectional view showing an embodiment of the present invention. A: Sealing device, B: Airtight container, C: Sealing lid body,
1b, 2b: wall, 1c: inner peripheral wall, 2c: outer peripheral wall,
3c: Lid surface, 4: Packing, 5: Exhaust pipe, D:
Exhaust device, 6: Pressure gauge, 7: Vacuum valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 気密容器の開口部外周に形成した二重の壁面間
にパツキングを充てんし、このパツキングに、蓋
面周囲に二重に周壁が立設された密閉蓋体をその
周壁を当接して密着させ、密閉蓋体外周壁に排気
管を挿通し、この排気管に接続された排気装置に
より密閉蓋体二重の周壁内部を、その空気を排気
して真空状態としてなる気密容器の密閉装置。 Packing is filled between the double wall surfaces formed around the opening of the airtight container, and a sealing lid body having a double peripheral wall erected around the lid surface is brought into close contact with the packing by abutting the peripheral wall, An airtight container sealing device that inserts an exhaust pipe into the outer circumferential wall of the airtight lid, and uses an exhaust device connected to the exhaust pipe to evacuate the inside of the double peripheral wall of the airtight lid to create a vacuum state.